US3726102A - Icy beverage machine - Google Patents
Icy beverage machine Download PDFInfo
- Publication number
- US3726102A US3726102A US00168632A US3726102DA US3726102A US 3726102 A US3726102 A US 3726102A US 00168632 A US00168632 A US 00168632A US 3726102D A US3726102D A US 3726102DA US 3726102 A US3726102 A US 3726102A
- Authority
- US
- United States
- Prior art keywords
- cooling chamber
- pressure
- carbon dioxide
- chamber
- dioxide gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
- B67D1/1202—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed
- B67D1/1234—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed to determine the total amount
- B67D1/1243—Flow control, e.g. for controlling total amount or mixture ratio of liquids to be dispensed to determine the total amount comprising flow or pressure sensors, e.g. for controlling pumps
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
- A23G9/04—Production of frozen sweets, e.g. ice-cream
- A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
- A23G9/228—Arrangement and mounting of control or safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/0857—Cooling arrangements
- B67D1/0858—Cooling arrangements using compression systems
- B67D1/0861—Cooling arrangements using compression systems the evaporator acting through an intermediate heat transfer means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
- F25D31/002—Liquid coolers, e.g. beverage cooler
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/07—Carbonators
Definitions
- gas is in- [52] US. Cl ..62/70, 62/306, 26l/DIG. 7 troduced when the pressure in the cooling chamber [51] Int. Cl. ..F2Sc 7/16 falls below about 25 psi, Then after about a 3-to-8 [58] Field of Search ..62/69, 70, 178, 306; second delay, liquid is charged into the cooling 261/DIG. 7, 27, 69 R, 92 X, 64, 18 B chamber until the pressure in the cooling chamber reaches about 30 psi.
- the KNEDLIK U. S. Pat. No. 3,044,878 shows the basic icy beverage machine.
- This patent discloses the maintenance of the charge within the cooling chamber by use of an electrical contact probe within the cooling chamber.
- the patent discloses a source of carbon dioxide gas under pressure at all times being connected to the cooling chamber when the liquid falls below a predetermined level as indicated by the probe within the cooling chamber.
- LENTS U. S. Pat. No. 3,108,449, discloses the means for maintaining the proper temperature within the cooling chamber.
- the temperature is sensed by the torque necessary to agitate the contents of the chamber. When the torque becomes great, the cooling is reduced. The amount of liquid in the chamber will effect the torque on the agitator. Also, changes in the temperature will produce changes in the pressure.
- Icee Dispenser Service Manual Parts Catalog as published by John E. Mitchell Company, PO. Box 1811, 3800 Commerce Street, Dallas, Texas 75226, with the distributor parts prices effective Dec. 1, 1969, (a copy of which is attached to this application), depicts machinery which is currently commercially available upon the market and describes the operating procedures necessary to maintain the balance of liquid and gas in the cooling chamber.
- the service manual shows that under present operating procedure when the pressure in the cooling chamber falls below 25 psi, the solenoid valve from the carbon dioxide tank (set at about 35 psi) and the liquid pump are both started. Then when the pressure upon the cooling chamber increases by a -pound differential, the liquid pump is stopped and the carbon dioxide solenoid valve cut off.
- One of the outstanding advantages of my invention is that if a proper balance between liquid and gas in the cooling chamber can be maintained, the defrosting procedures can be greatly simplified. I.e., if all that occurred during defrosting was the heating of the product to cause any ice crystals therein to melt and the rechilling of it, the defrosting cycle would be greatly simplified. If the defrosting cycle were simplified, it would be possible to defrost the machine mechanically on an automatic cycle. However, it will be noted as described inthe present art and specifically referring to the manual, the present procedures for defrosting include re-establishng proper balance between liquid and gas within the cooling chamber. Therefore, one of the advantages of this invention in maintenance of the proper balance in the cooling chamber is the simplification of the defrost cycle so the defrosting can be done automatically and therefore, can be done periodically in the proper manner.
- An object of this invention is to produce an improved icy beverage.
- Another object is to improve the charging of the cooling chamber of an icy beverage machine.
- a further object is to simplify the operation of an icy beverage machine so the defrosting may be cycled automatically rather than manually.
- Still further objects are to achieve the above with a device that is sturdy, compact, durable, light-weight, simple, safe, efficient, versatile, and reliable, yet inexpensive and easy to manufacture, install, operate, and maintain.
- the icy machine includes coolng chamber 10 which is refrigerated by coils 12 which are connected to refrigeration mechanism 14.
- Product 24 is drawn from the cooling chmber 10 by faucet 16.
- the product in the cooling chamber 10 is agitated by agitator 18 which is driven through torque coupling 20.
- the refrigeration mechanism 14 is controlled by micro switch 22 so that as the product 24 within the cooling chamber 10 becomes cold, the torque to the agitator 18 increases. This actuates the micro switch 22, thus cutting off the refrigeraton mechanism 14.
- Water from water source 26 and flavored, sweetened syrup from syrup source 28 are pumped by mixing pump 30 through pipe 32 into the cooling chamber 10.
- Check valves 34 prevent the backflow of any of the liquid material in the opposite direction of its normal flow.
- Carbon dioxide gas from source 36 is regulated to desired pressure by constant pressure regulator valve 38 and admitted through solenoid valve 40 into the pipe 32 and into the cooling chamber 10.
- Check valve 42 prevents back-flow of the gas.
- Pump motor 44 connected to pump 30 and solenoid coil 46 connected to solenoid valve 40 are controleld by pressure switch 48 which is sensitive to pressure within the pipe 32 immediately before its admission into the cooling chamber 10.
- time-delay switch 50 to the pump motor 44.
- thermal time-delay switches such as are commercially available on the market for flashing outdoor electric display signs.
- These commercial units have heater unit 52.
- the switch 50 is open for 3 to seconds until the heater 52 becomes hot enough to cause the switch 50 to close. Then, the switch 50 remains closed as long as the circuits are energized. Therefore, with my invention, the pressure switch 48 can be set to actute at 25 psi and to deactivate on a 5- pound differential, i.e., 30 psi.
- the solenoid valve 40 is opened letting the carbon dioxide gas, which is regulated to about 32 psi by pressure regulator valve 38, enter the copling chamber 10. Thereafter, in. about three to 8 seconds, the motor 44 starts pumping liquid into the cooling chamber until the pressure is increased to 30 psi, at which time the pressure switch simultaneously closes the solenoid valve 40 and, also, stops the pump motor 44.
- My invention maintains the proper gas-liquid balance in the coolng chamber 10 and therefore, it is possible to defrost the cooling chamber by automatic clock controls.
- These automatic clock controlls have not been shown because they are well within the skill of ordinary mechanics who are familiar with this type of equipment. It is not necessary in defrosting to make any changes in the liquid supply orthe gas supply to the cooling chamber.
- the pressure in the coolng chamber 10 sometimes gets exceedingly high during defrost periods. This isa result of basic unbalance before defrosting as well as the fact that sometimes defrosting being manual by unskilled persons, proceeds for a long period of time.
- the pressure is maintained in the proper range; therefore, the defrost pressure is not so high.
- by making it possible to have automatic defrostng this prevents overheating.
- One disadvantage of high pressure is that it causes deterioration of the seals around the cooling chamber, particularly around the agitator shaft, and causes strain on valves. Sometimes the imbalance between the proportion of gas supply and liquid supply becomes such and the temperaure on defrosting is such that the intergrity of the cooling chamber 10 itself is threatened.
- a machine for making icy drinks having a. a cooling chamber containing i. a mixed liquid product and ii. carbon dioxide gas,
- chilling means attached to the chamber for chilling the contents
- a machine for making icy drinks having a. a cooling chamber containing i. a mixed liquid product and ii. carbon dioxide gas,
- chilling means attached to the chamber for chilling the contents
- pressure regulator means on the source of gas for regulating the pressure thereof
- a thermal delay switch attached to the pump motor for delaying the start of the motor after the solenoid valve is opened.
Abstract
To maintain a balanced liquid-gas charge in the cooling chamber of an icy beverage machine, gas is introduced when the pressure in the cooling chamber falls below about 25 psi. Then after about a 3-to-8 second delay, liquid is charged into the cooling chamber until the pressure in the cooling chamber reaches about 30 psi.
Description
Parks 51 Apr. N), 1973 [54] ICY BEVERAGE C NE 2,514,463 7/1950 Bayers, Jr. ..26l/DIG. 7
[76] Inventor: Charles K. Parks, P.O. Box 998, Primary Examiner wflliam E Wayner Abllene 79602 Attorney-Charles W. Coffee [22] Filed: Aug. 3, 1971 [57] ABSTRACT [21] Appl. No.: 168,632
To maintain a balanced liquid-gas charge in the cooling chamber of an icy beverage machine, gas is in- [52] US. Cl ..62/70, 62/306, 26l/DIG. 7 troduced when the pressure in the cooling chamber [51] Int. Cl. ..F2Sc 7/16 falls below about 25 psi, Then after about a 3-to-8 [58] Field of Search ..62/69, 70, 178, 306; second delay, liquid is charged into the cooling 261/DIG. 7, 27, 69 R, 92 X, 64, 18 B chamber until the pressure in the cooling chamber reaches about 30 psi. R f [56] e erences Cited 6C l M Figure UNITED STATES PATENTS 3,403,524 10/1968 lVlitchell et al. ..62/7O WATER SOURCE sfifii? cw CO2 v r SOURCE SOLENOID 42 /\7\( l v l '31" 40 V PRESSURE 52x REFRIGERAT|ON MECHAN|5M ICY BEVERAGE MACHINE BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to beverages and more particularly to a carbonated drink partially frozen.
2. Description of the Prior Art The KNEDLIK U. S. Pat. No. 3,044,878 shows the basic icy beverage machine. This patent discloses the maintenance of the charge within the cooling chamber by use of an electrical contact probe within the cooling chamber. The patent discloses a source of carbon dioxide gas under pressure at all times being connected to the cooling chamber when the liquid falls below a predetermined level as indicated by the probe within the cooling chamber.
LENTS, U. S. Pat. No. 3,108,449, discloses the means for maintaining the proper temperature within the cooling chamber. The temperature is sensed by the torque necessary to agitate the contents of the chamber. When the torque becomes great, the cooling is reduced. The amount of liquid in the chamber will effect the torque on the agitator. Also, changes in the temperature will produce changes in the pressure.
Icee Dispenser Service Manual Parts Catalog as published by John E. Mitchell Company, PO. Box 1811, 3800 Commerce Street, Dallas, Texas 75226, with the distributor parts prices effective Dec. 1, 1969, (a copy of which is attached to this application), depicts machinery which is currently commercially available upon the market and describes the operating procedures necessary to maintain the balance of liquid and gas in the cooling chamber.
The service manual shows that under present operating procedure when the pressure in the cooling chamber falls below 25 psi, the solenoid valve from the carbon dioxide tank (set at about 35 psi) and the liquid pump are both started. Then when the pressure upon the cooling chamber increases by a -pound differential, the liquid pump is stopped and the carbon dioxide solenoid valve cut off.
A study of the operations set out in the service manual, particularly the material on Page 7, Operation of First Production of Icee Drink, Page 8, Daily Operation and Hints for Better Dispenser Operation, and on Page 16, Trouble Shooting, indicates that much manual operation is essential on the present machines to keep the proper liquid-gas balance within the cooling chamber. 1f the liquid level is too much or too little, the temperature will be wrong. Furthermore, if there is an insufficient carbon dioxide cap (which is to say there is too much liquid) the product is not of the proper fluffy consistency. If there is too much gas within the chamber, the gas blows out of the dispensing faucet and tends to blow the beverage in a cup out of the cup, which is extremely undesirable. Furthermore, periodically the liquid within the chamber tends to form ice crystals therein, which is undesirable, and it is necessary to go through a defrosting operation. At the time of defrosting, techniques must be observed to get the proper liquid-gas balance.
SUMMARY OF THE INVENTION 1. New and Different Function I have found that more consistent, desirable results may be obtained with less skillful operators if the gas is first introduced at a low pressure and thereafter the liquid is charged into the cooling chamber.
This is particularly important because the operators of icy beverage machines are traditionally extremely low-skilled and, also, that traditionally there is a very high turnover in their employment. Even if they were adapted to a full understanding of the expansion freezing upon which these machines operate as described in the KNEDLIK patent above, they do not have time to become fully trained.
One of the outstanding advantages of my invention is that if a proper balance between liquid and gas in the cooling chamber can be maintained, the defrosting procedures can be greatly simplified. I.e., if all that occurred during defrosting was the heating of the product to cause any ice crystals therein to melt and the rechilling of it, the defrosting cycle would be greatly simplified. If the defrosting cycle were simplified, it would be possible to defrost the machine mechanically on an automatic cycle. However, it will be noted as described inthe present art and specifically referring to the manual, the present procedures for defrosting include re-establishng proper balance between liquid and gas within the cooling chamber. Therefore, one of the advantages of this invention in maintenance of the proper balance in the cooling chamber is the simplification of the defrost cycle so the defrosting can be done automatically and therefore, can be done periodically in the proper manner.
2. Objects of the Invention An object of this invention is to produce an improved icy beverage.
Another object is to improve the charging of the cooling chamber of an icy beverage machine.
A further object is to simplify the operation of an icy beverage machine so the defrosting may be cycled automatically rather than manually.
Still further objects are to achieve the above with a device that is sturdy, compact, durable, light-weight, simple, safe, efficient, versatile, and reliable, yet inexpensive and easy to manufacture, install, operate, and maintain.
Other objects are to achieve the above with a method that is versatile, rapid, efficient, and inexpensive, and does not require skilled people to install, adjust, operate, and maintain.
The specific nature of the invention, as well as other objects, uses, and advantages thereof, will clearly appear from the following description and from the accompanying drawing, the different views of which are not necessarily to the same scale.
BRIEF DESCRIPTION OF THE DRAWING The drawing is a schematical representation of an icy macine with my invention incorporated therein.
DESCRIPTION OF THE PREFERRED EMBODIMENT As may be seen in the drawing, the icy machine includes coolng chamber 10 which is refrigerated by coils 12 which are connected to refrigeration mechanism 14. Product 24 is drawn from the cooling chmber 10 by faucet 16. The product in the cooling chamber 10 is agitated by agitator 18 which is driven through torque coupling 20. The refrigeration mechanism 14 is controlled by micro switch 22 so that as the product 24 within the cooling chamber 10 becomes cold, the torque to the agitator 18 increases. This actuates the micro switch 22, thus cutting off the refrigeraton mechanism 14. Water from water source 26 and flavored, sweetened syrup from syrup source 28 are pumped by mixing pump 30 through pipe 32 into the cooling chamber 10. Check valves 34 prevent the backflow of any of the liquid material in the opposite direction of its normal flow. Carbon dioxide gas from source 36 is regulated to desired pressure by constant pressure regulator valve 38 and admitted through solenoid valve 40 into the pipe 32 and into the cooling chamber 10. Check valve 42 prevents back-flow of the gas. Pump motor 44 connected to pump 30 and solenoid coil 46 connected to solenoid valve 40 are controleld by pressure switch 48 which is sensitive to pressure within the pipe 32 immediately before its admission into the cooling chamber 10.
The mechanism which has been described to this point is well known and commercially available on the market. I have improved the operation by installing time-delay switch 50 to the pump motor 44. I have had good success using thermal time-delay switches such as are commercially available on the market for flashing outdoor electric display signs. These commercial units have heater unit 52. The switch 50 is open for 3 to seconds until the heater 52 becomes hot enough to cause the switch 50 to close. Then, the switch 50 remains closed as long as the circuits are energized. Therefore, with my invention, the pressure switch 48 can be set to actute at 25 psi and to deactivate on a 5- pound differential, i.e., 30 psi. As soon as the pressure switch 48 actuates, the solenoid valve 40 is opened letting the carbon dioxide gas, which is regulated to about 32 psi by pressure regulator valve 38, enter the copling chamber 10. Thereafter, in. about three to 8 seconds, the motor 44 starts pumping liquid into the cooling chamber until the pressure is increased to 30 psi, at which time the pressure switch simultaneously closes the solenoid valve 40 and, also, stops the pump motor 44.
As the unit is operated and if the pressure switch 48 is frequently activated because of heavy use of the equipment, the delay switch 50 and the heater 52 will tend to become warm and have less and less delay. However, I have not found this to be disadvantageous because when the equipment is in heavy use, it has been my observation that the cooling chamber 10 needs to be charged with additional liquid in an operational situation such as that. In light use (when the product is being drawn from the cooling chamber 10 at long intervals of time) the pressure switch 48 is not actuated for long periods of time which permits the delay switch 50 to cool off between its use.
My invention maintains the proper gas-liquid balance in the coolng chamber 10 and therefore, it is possible to defrost the cooling chamber by automatic clock controls. These automatic clock controlls have not been shown because they are well within the skill of ordinary mechanics who are familiar with this type of equipment. It is not necessary in defrosting to make any changes in the liquid supply orthe gas supply to the cooling chamber.
Maintenance of the proper pressure has may advantages. Under present conditions, the pressure in the coolng chamber 10 sometimes gets exceedingly high during defrost periods. This isa result of basic unbalance before defrosting as well as the fact that sometimes defrosting being manual by unskilled persons, proceeds for a long period of time. However, with my invention, the pressure is maintained in the proper range; therefore, the defrost pressure is not so high. Also, by making it possible to have automatic defrostng, this prevents overheating. One disadvantage of high pressure is that it causes deterioration of the seals around the cooling chamber, particularly around the agitator shaft, and causes strain on valves. Sometimes the imbalance between the proportion of gas supply and liquid supply becomes such and the temperaure on defrosting is such that the intergrity of the cooling chamber 10 itself is threatened.
The embodiment shown and described above is only exemplary. I do not claim to have invented all the parts, elements or steps described. Various modifications can be made in the construction, material, arrangement, and operation, and still be within the scope of my invention. The limits of the invention and the bounds of the patent protection are measured by and defined in the following claims. The restrictive descripton and drawing of the specific example above do not point out what an infringement of this patent would be, but are to enble the reader to make and use the ivention.
I claim as my invention:
1. In a machine for making icy drinks having a. a cooling chamber containing i. a mixed liquid product and ii. carbon dioxide gas,
b. agitator means in the cooling chamber for agitating the contents,
c. chilling means attached to the chamber for chilling the contents, and
d. a faucet on the chamber for dispensing the drinks therefrom;
e.'THE IMPROVED METHOD OF MAINTAINING A BALANCED CHARGE OF LIQUID PRODUCT AND CARBON DIOXIDE GAS IN THE COOLING CHAMBER COMPRISING:
f. sensing a need for charging the cooling chamber,
g. opening a valve connecting a source of carbon dioxide gas under pressure to the cooling chamber responsive to sensing the need; thereafter h. pumping liquid product into the cooling chamber responsive to the sensing of the need to charge, and in addition to a time delay caused by heating a thermal switch,
j. sensing when the cooling chamber is charged, then simultaneously k, closing the valve and stopping the pump.
2. The invention as defined in claim 1 with the additional limitation of m. measuring the pressure within the cooling chamber, thus sensing the need for charging same and when the same is charged.
3. The invention as defined in claim 1 with the additional limitation of Y n. maintaining the pressure of the source of carbon dioxide gas not more than about 2 psi higher than the maximum pressure of the cooling chamber.
4. The invention as defined in claim 1 with the additional limitations of m. maintaining the cooling chamber at a pressure between about 25 psi and 30 psi, and
n. supplying carbon dioxide at not more than about 32 psi.
5. In a machine for making icy drinks having a. a cooling chamber containing i. a mixed liquid product and ii. carbon dioxide gas,
b. agitator means in the cooling chamber for agitating the contents,
c. chilling means attached to the chamber for chilling the contents, and
d. a faucet on the chamber for disepensing the drinks therefrom;
e. a source of carbon dioxide gas under pressure,
f. pressure regulator means on the source of gas for regulating the pressure thereof,
g. a solenoid valve connecting the souce of gas and the cooling chamber,
h. a pump connected to the cooling chamber for pumping liquid thereto,
j. a pump motor connected to the pump, and
k. electric control means connected to the cooling chamber for actuating the solenoid and pump motor,
m. THE IMPROVED STRUCTURE FOR MAIN- TAINING A BALANCED CHARGE COM- PRISNG:
n. a thermal delay switch attached to the pump motor for delaying the start of the motor after the solenoid valve is opened.
6. The invention as defined in claim 5 wherein said electric control means is o. a pressure switch.
Claims (6)
1. In a machine for making icy drinks having a. a cooling chamber containing i. a mixed liquid product and ii. carbon dioxide gas, b. agitator means in the cooling chamber for agitating the contents, c. chilling means attached to the chamber for chilling the contents, and d. a faucet on the chamber for dispensing the drinks therefrom; e. THE IMPROVED METHOD OF MAINTAINING A BALANCED CHARGE OF LIQUID PRODUCT AND CARBON DIOXIDE GAS IN THE COOLING CHAMBER COMPRISING: f. sensing a need for charging the cooling chamber, g. opening a valve connecting a source of carbon dioxide gas under pressure to the cooling chamber responsive to sensing the need; thereafter h. pumping liquid product into the cooling chamber responsive to the sensing of the need to charge, and in addition to a time delay caused by heating a thermal switch, j. sensing when the cooling chamber is charged, then simultaneously k. closing the valve and stopping the pump.
2. The invention as defined in claim 1 with the additional limitation of m. measuring the pressure within the cooling chamber, thus sensing the need for charging same and when the same is charged.
3. The invention as defined in claim 1 with the additional limitation of n. maintaining the pressure of the source of carbon dioxide gas not more than about 2 psi higher than the maximum pressure of the cooling chamber.
4. The invention as defined in claim 1 with the additional limitations of m. maintaining the cooling chamber at a pressure between about 25 psi and 30 psi, and n. supplying carbon dioxide at not more than about 32 psi.
5. In a machine for making icy drinks having a. a cooling chamber containing i. a mixed liquid product and ii. carbon dioxide gas, b. agitator means in the cooling chamber for agitating the contents, c. chilling means attached to the chamber for chilling the contents, and d. a faucet on the chamber for disepensing the drinks therefrom; e. a source of carbon dioxide gas under pressure, f. pressure regulator means on the source of gas for regulating the pressure thereof, g. a solenoid valve connecting the souce of gas and the cooling chamber, h. a pump connected to the cooling chamber for pumping liquid thereto, j. a pump motor connected to the pump, and k. electric control means connected to the cooling chamber for actuating the solenoid and pump motor, m. THE IMPROVED STRUCTURE FOR MAINTAINING A BALANCED CHARGE COMPRISNG: n. a thermal delay switch attached to the pump motor for delaying the start of the motor after the solenoid valve is opened.
6. The invention as defined in claim 5 wherein said electric control means is o. a pressure switch.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16863271A | 1971-08-03 | 1971-08-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3726102A true US3726102A (en) | 1973-04-10 |
Family
ID=22612308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00168632A Expired - Lifetime US3726102A (en) | 1971-08-03 | 1971-08-03 | Icy beverage machine |
Country Status (1)
Country | Link |
---|---|
US (1) | US3726102A (en) |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3823571A (en) * | 1973-07-18 | 1974-07-16 | Mitchell J Co | Machine for dispensing a semi-frozen carbonated beverage including a system for automatically controlling the quality of the beverage through timed modes |
US4011733A (en) * | 1975-07-29 | 1977-03-15 | Dagma Gmbh & Co. | Apparatus and process for carbonating liquids |
US4140736A (en) * | 1975-02-10 | 1979-02-20 | O. G. Hoyer A/S | Method and system for mixing a continuously flowing mass with a gas |
US4482509A (en) * | 1983-03-04 | 1984-11-13 | Gerlach Industries, Inc. | Carbonating apparatus |
US4719056A (en) * | 1984-06-25 | 1988-01-12 | Isoworth Limited | Fluid treatment |
US4747272A (en) * | 1985-10-04 | 1988-05-31 | Cherry-Burrell Corporation | Frozen comestibles with improved over-run control |
US4850269A (en) * | 1987-06-26 | 1989-07-25 | Aquatec, Inc. | Low pressure, high efficiency carbonator and method |
US4859376A (en) * | 1987-06-26 | 1989-08-22 | Aquatec | Gas-driven carbonator and method |
US4940164A (en) * | 1987-06-26 | 1990-07-10 | Aquatec | Drink dispenser and method of preparation |
EP0401617A1 (en) * | 1989-06-07 | 1990-12-12 | Carpigiani S.r.L. | Ice cream making machine |
US5002201A (en) * | 1988-09-14 | 1991-03-26 | Aquatec Inc. | Bottled water cooler apparatus and method |
US5388604A (en) * | 1993-07-21 | 1995-02-14 | Accurate Metering Systems, Inc. | Method for adjusting the density of a liquid |
US5473909A (en) * | 1990-08-06 | 1995-12-12 | The Kateman Family Limited Partnership | Method and apparatus for producing and dispensing aerated or blended fluid products |
US5481968A (en) * | 1994-06-30 | 1996-01-09 | Accurate Metering Systems, Inc. | Apparatus for continuous multiple stream density or ratio control |
US5713209A (en) * | 1996-10-24 | 1998-02-03 | General Mills, Inc. | Twin screw extruder for batch freezing |
US5868065A (en) * | 1996-09-16 | 1999-02-09 | Kateman Family Limited Partnership | Apparatus for manufacturing frozen confection |
USRE36390E (en) * | 1993-01-28 | 1999-11-16 | Fels Ulrich | Device for cooling of fluids and edible foams |
US6224297B1 (en) * | 1998-05-14 | 2001-05-01 | Tmo Enterprises Limited | Method and apparatus for use in conveying material |
US6576276B1 (en) | 2000-10-25 | 2003-06-10 | The Coca-Cola Company | CO2-hydrate product and method of manufacture thereof |
US20070114243A1 (en) * | 2005-11-22 | 2007-05-24 | Britvic Soft Drinks Limited | Beverage dispense |
US20080272211A1 (en) * | 2007-03-05 | 2008-11-06 | Ds Produkte Dieter Schwarz Gmbh | Process for the gasification of tap water |
US20150007962A1 (en) * | 2012-10-18 | 2015-01-08 | Winix Inc. | Beverage cooling device and beverage supplying system using cooling device |
WO2016074711A1 (en) * | 2014-11-12 | 2016-05-19 | Alfred Kärcher Gmbh & Co. Kg | Beverage preparation device |
WO2020146786A1 (en) * | 2019-01-10 | 2020-07-16 | Sandymount Technologies Corporation | Unit for dispensing ultra-high gravity beers on draft |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2514463A (en) * | 1948-10-25 | 1950-07-11 | Jr George W Bayers | Liquid carbonator |
US3403524A (en) * | 1967-02-13 | 1968-10-01 | Mitchell Co John E | Machine for dispensing semi-frozen drinks and control therefor |
-
1971
- 1971-08-03 US US00168632A patent/US3726102A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2514463A (en) * | 1948-10-25 | 1950-07-11 | Jr George W Bayers | Liquid carbonator |
US3403524A (en) * | 1967-02-13 | 1968-10-01 | Mitchell Co John E | Machine for dispensing semi-frozen drinks and control therefor |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3823571A (en) * | 1973-07-18 | 1974-07-16 | Mitchell J Co | Machine for dispensing a semi-frozen carbonated beverage including a system for automatically controlling the quality of the beverage through timed modes |
FR2237832A1 (en) * | 1973-07-18 | 1975-02-14 | Mitchell Co John E | |
US4140736A (en) * | 1975-02-10 | 1979-02-20 | O. G. Hoyer A/S | Method and system for mixing a continuously flowing mass with a gas |
US4011733A (en) * | 1975-07-29 | 1977-03-15 | Dagma Gmbh & Co. | Apparatus and process for carbonating liquids |
US4482509A (en) * | 1983-03-04 | 1984-11-13 | Gerlach Industries, Inc. | Carbonating apparatus |
US4719056A (en) * | 1984-06-25 | 1988-01-12 | Isoworth Limited | Fluid treatment |
US4747272A (en) * | 1985-10-04 | 1988-05-31 | Cherry-Burrell Corporation | Frozen comestibles with improved over-run control |
US4850269A (en) * | 1987-06-26 | 1989-07-25 | Aquatec, Inc. | Low pressure, high efficiency carbonator and method |
US4859376A (en) * | 1987-06-26 | 1989-08-22 | Aquatec | Gas-driven carbonator and method |
US4940164A (en) * | 1987-06-26 | 1990-07-10 | Aquatec | Drink dispenser and method of preparation |
US5002201A (en) * | 1988-09-14 | 1991-03-26 | Aquatec Inc. | Bottled water cooler apparatus and method |
EP0401617A1 (en) * | 1989-06-07 | 1990-12-12 | Carpigiani S.r.L. | Ice cream making machine |
US5473909A (en) * | 1990-08-06 | 1995-12-12 | The Kateman Family Limited Partnership | Method and apparatus for producing and dispensing aerated or blended fluid products |
USRE36390E (en) * | 1993-01-28 | 1999-11-16 | Fels Ulrich | Device for cooling of fluids and edible foams |
US5388604A (en) * | 1993-07-21 | 1995-02-14 | Accurate Metering Systems, Inc. | Method for adjusting the density of a liquid |
US5481968A (en) * | 1994-06-30 | 1996-01-09 | Accurate Metering Systems, Inc. | Apparatus for continuous multiple stream density or ratio control |
US5484614A (en) * | 1994-06-30 | 1996-01-16 | Accurate Metering Systems, Inc. | Method for adjusting the density of a liquid |
US5868065A (en) * | 1996-09-16 | 1999-02-09 | Kateman Family Limited Partnership | Apparatus for manufacturing frozen confection |
US5713209A (en) * | 1996-10-24 | 1998-02-03 | General Mills, Inc. | Twin screw extruder for batch freezing |
US6224297B1 (en) * | 1998-05-14 | 2001-05-01 | Tmo Enterprises Limited | Method and apparatus for use in conveying material |
US6858240B2 (en) | 2000-10-25 | 2005-02-22 | The Coca-Cola Company | Carbon dioxide-hydrate product and method of manufacture thereof |
US20030219521A1 (en) * | 2000-10-25 | 2003-11-27 | Ashis Gupta | Carbon dioxide-hydrate product and method of manufacture thereof |
US6576276B1 (en) | 2000-10-25 | 2003-06-10 | The Coca-Cola Company | CO2-hydrate product and method of manufacture thereof |
US20070114243A1 (en) * | 2005-11-22 | 2007-05-24 | Britvic Soft Drinks Limited | Beverage dispense |
US20080272211A1 (en) * | 2007-03-05 | 2008-11-06 | Ds Produkte Dieter Schwarz Gmbh | Process for the gasification of tap water |
US20150007962A1 (en) * | 2012-10-18 | 2015-01-08 | Winix Inc. | Beverage cooling device and beverage supplying system using cooling device |
WO2016074711A1 (en) * | 2014-11-12 | 2016-05-19 | Alfred Kärcher Gmbh & Co. Kg | Beverage preparation device |
WO2020146786A1 (en) * | 2019-01-10 | 2020-07-16 | Sandymount Technologies Corporation | Unit for dispensing ultra-high gravity beers on draft |
US11603305B2 (en) * | 2019-01-10 | 2023-03-14 | Alfa Laval Copenhagen A/S | Unit for dispensing ultra-high gravity beers on draft |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3726102A (en) | Icy beverage machine | |
US4201558A (en) | Method and apparatus for preparing and dispensing a semi-frozen product | |
US6220047B1 (en) | Semi-frozen food product producing machine | |
US3460713A (en) | Method of dispensing a refrigerated beverage | |
US3108449A (en) | Machine for making anicy product with torque sensitive control | |
US3359748A (en) | Slush co2 control | |
US4754609A (en) | High efficiency method and apparatus for making and dispensing cold carbonated water | |
US4907417A (en) | Refrigeration control system for cold drink dispenser | |
US3517524A (en) | Apparatus for producing and dispensing frozen and semiliquid products | |
US2713253A (en) | Apparatus for making ice cream | |
US6830239B1 (en) | Semi-frozen food product carbonator | |
US3608779A (en) | Method and apparatus for producing and dispensing a semifrozen carbonated beverage | |
US3468137A (en) | Method and apparatus for freezing and dispensing slush carbonated beverages | |
US20010035016A1 (en) | Compressor control mechanism and method | |
CN1097715A (en) | Beverage dispensing apparatus cheaply | |
US5002201A (en) | Bottled water cooler apparatus and method | |
EP0919518A2 (en) | Beverage carbonator with cooling arrangement | |
US3312083A (en) | Portable home soda fountain | |
US6981387B1 (en) | Apparatus for delivering carbonated liquid at a temperature near or below the freezing point of water | |
US3403524A (en) | Machine for dispensing semi-frozen drinks and control therefor | |
US3961494A (en) | Soft food mix dispensing apparatus and method | |
US2358756A (en) | Cooling and icing beverages | |
US6301918B1 (en) | Frozen carbonated beverage dispensing apparatus | |
US3479835A (en) | Machine for dispensing a semi-solid,chilled,edible product | |
US2755979A (en) | Beverage dispensing apparatus |