US2627862A - Crankcase flusher - Google Patents

Crankcase flusher Download PDF

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US2627862A
US2627862A US2627862DA US2627862A US 2627862 A US2627862 A US 2627862A US 2627862D A US2627862D A US 2627862DA US 2627862 A US2627862 A US 2627862A
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pipe
container
air
pump
tube
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005—Apparatus not specifically provided for elsewhere
    • H01L21/67011—Apparatus for manufacture or treatment
    • H01L21/67017—Apparatus for fluid treatment
    • H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
    • H01L21/6704—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing
    • H01L21/67051—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing using mainly spraying means, e.g. nozzles

Definitions

  • This invention relates to improvements in portable crank case flushers for combustion engines and has for its object to provide a flusher that will clean all parts of the crank case and lower motor.
  • crank case flusher in which there is no fire hazard, in which there are few moving parts and in which all parts are well protected and their operations are simple.
  • Figure 1 is a vertical section of an outside container, the filter, and partial section of a telescopic tube for conveying the filter liquid.
  • Figure 2 is a section on line 22 of Figure 1.
  • Figure 3 is a view showing one form of nozzle.
  • Figure 4 is a side elevation of the flusher taken from the right hand side of Figure 1 with the outer container broken away to show the interior construction and the telescopic tubes in section.
  • Figure 5 is a view showing a valve attachment partly in section for controlling the admission of air in the flusher.
  • Figure 6 is a bottom view of the cover of the gear pump.
  • Figure 7 is a section on line of Figure 4.
  • the outer part of the flusher consists of a body or container I, a bottom 2, a supporting base 3 and a cover 4. These parts are all preferably made of some sheet material, any suitable material may be used.
  • the cover 4 is made to fit the shape of the body or container and has around its outer edge a downwardly extending flange 5 which fits over the outer edge of the upper end of the container I.
  • On the inside of the upper end of the container is an annular bracket 6.
  • a bracket 1 attached to the cover 4 by means of studs or rivets 8.
  • In the center of the cover 4 is an opening or circular hole around which there is located an annular collar 9.
  • This collar 9 has a flange 9, extending therefrom beneath the cover 4.
  • Below this flange I9 is an annular collar l which has a flange l2 and is attached to the cover 4 by means of rivets or bolts l3.
  • Fitting in the collar is a fixed pipe l4.
  • This pipe is in alignment with the collar 9 and extends downwardly into the upper end of a pipe I5 which is supported in the bottom of the container.
  • a pipe I5 which is supported in the bottom of the container.
  • a pipe I5 which is supported in the bottom of the container.
  • a filter can I 1 which has holes
  • On the bottom of this filter can is a hair filter pad 19 through which the oil or fluid used must filter and where the sludge is removed from the oil.
  • the upper end of the filter can I! has thereon an outwardly extending flange 2B which rests upon, and is supported by, the annular bracket 6.
  • Fitting Within the collar 9 and the pipe I4 is a telescopic pipe 2
  • may be held in adjusted relation with the collar 9 by means of a set screw or thumb screw 22 passing through the collar and engaging with the pipe 2
  • is a catch basin 23 which has on its lower end a collar shaped part 24. Extending through the collar shaped part 24 and the upper endof the pipe 2
  • ! constitute an adjustable flushing passageway.
  • constitutes a drainback passageway from the catch basin 23 to the lower part of the pipe l5.
  • the fluid is drained back from the catch basin into the lower part of pipe IE, it fills this pipe up until the fluid reaches the holes l6 through which it then passes into the filter can 11.
  • the fluid seeps through the bottom of the filter can I! into the container.
  • the fluid can be used over and over aagin.
  • a screen 21 which has thereon a collar 28 around the upper end of the telescopic tube 26. Threaded onto the upper end of the tube 26 is a nozzle 29.
  • This nozzle may be of any shape, form, size and length.
  • a flexible nozzle indicated by the numeral 29a is shown. This nozzle 29a is the one that goes into the breather pipe of the motor.
  • a stationary oil tube 30 Within the telescopic tube 26 is a stationary oil tube 30.
  • Supported on the bottom or lower end of the pipe I5 is a gear pump housing 3
  • is open to provide for the ready insertion of the pump elements and their shafts and is closed by means of a pump cover 34 which provides bearing holes 32a and 33a for the lower ends of the jack shaft and the pump shaft respectively.
  • a pump cover 34 In this pump cover 34 is a hole 35 through which oil passes from the lower part of the container into pump case.
  • a pipe 40 In line with the pipe 38 and threaded into part of the T connection is a pipe 40 which is an air ipe connected to an air attachment shown in Figure 5.
  • the lower end of the oil tube 36 is threaded into one side of the T connection so that there is provided between the pipes 30, 38 and 40 a space 4
  • a prevents the ball from closing the oil tube 30.
  • 5 rests upon, and is threaded into, the base 43 which rests upon the bottom 2 of the container
  • is supported by means of a metal plate 44 attached to the pump and to a hose clamp 45 clamped around the lower end of the pipe I5. This clamp is tightened by means of a screw 46.
  • One of the very attractive features of this invention is the motor by which the flushing is done.
  • an air motor 47 which is supported by means of a bracket 48 attached to one side of the pipe I5. This motor operates the pump shaft 33 connected to the gear pump 3
  • an air pipe 49 Leading into the motor 41 for the purpose of operating it is an air pipe 49 connected at its upper end to a valve body 50.
  • Located within the container, and as shown in the drawings, substantially parallel with the pipe 49 and the shaft 33, is an air pipe 5
  • at its lower end, is connected to the pipe 43 leading into the space 4
  • is connected into a valve body 52 which has therein a chamber 53 directly connected to the pipe 5
  • Beneath the chamber 53 is a second chamber 54 and between the two chambers 53 and 54 is a valve seat 55 forming L a passageway 55 through which air may pass from one chamber into the other.
  • This passageway may be closed by means of a valve 51 located on the lower end of the valve stem 58 passing out through the top of the valve body 52.
  • This valve stem is operated by means of a plunger 59 supported by a valve guide 60.
  • the upper end of the plunger 59 is provided with the finger button 6
  • the chamber 54 is connected by an elbow to a T connection 52 which has a compressed air inlet 63.
  • the other part of the T connection 62 is connected by means of an elbow to the valve body 50 which is constructed internally in every Way similar to the mechanism found in the valve body 52.
  • the valve in the body 50 is operated by means of a plunger 59a, which is supported by a valve guide 60a.
  • On top of the plunger 59a is a button Sic.
  • the upper ends of the valve stems found in the valve bodies 50 and 52 are threaded and have mounted thereon washers 50a and 52a and between each of these washers and the valve bodies are gaskets that prevent the escape of air when the valve is open.
  • is pressed to operate the valve 52 to open the passageway 55, so that air is emitted from the inlet 53 into the pipe 5
  • passes through the pipe 49 into the space 4
  • the pressure of the air causes the ball 42 to close the passageway or entrance into the pipe 38 closing off the pump.
  • the button Bill is pressed. This operates a mechanism located in the housing 51) similar to that in connection with the valve structure for the admission of air through the pipe 5!.
  • This air which enters the chamber 58 from the inlet 63 passes down through the pipe 49 for operating the air motor 41.
  • This air motor 41 operates the shaft 33 for operating the pump, shown in Figure 2.
  • the fluid taken from the container first moves a ball 42 to close the opening in the end of the pipe 4!! so that the fluid will pass up through the pipe 38, from this pipe 30, the fluid is forced out through the nozzle 23 or the nozzle 23a, shown in Figure 3.
  • the container is provided with handles 64 and swivel rollers 65.
  • a container for a flushing liquid for a flushing liquid, an outlet from the container, a pump in the container for forcing the liquid through the outlet, an air motor in the container for operating the pump, a source of air, and means to connect the air to the motor or the outlet.
  • a container for a liquid for a liquid, a flushing tube leading out of the container, a pump in said container having an outlet connected to the tube, an air motor for operating the pump, an attachment in the container, said attachment having an inlet adapted to be connected to a supply of air under pressure, an outlet connected to the tube and a second outlet leading to the motor, means to cut the tube ofi from the pump outlet or the first named attachment outlet, and means extending from the attachment out of the container and operable on the air to determine whether liquid or air shall be discharged through the flushing tube.
  • a container for a liquid for a liquid, a flushing tube leading out of the container, a pump in said container having a pipe leading to the tube, an air motor in said container for operating the pump, an attachment in the container, said attachment having an inlet adapted to be connected to a supply of air under pressure, an outlet connected to'the tube and a second outlet leading to the motor, a valve in each outlet normally closed by the air pressure thereon, and means extending from the valves to the outside of the container to open the valves to admit air to the motor or to the outlet connected to the tube.
  • a container having a liquid in the lower end thereof, a filter can in the top of said container, an extensible tube leading from the liquid in the container to a point outside the container, means to catch the liquid after it has left the tube and return it to the filter can, an attachment in the container, said attachment adapted to be connected to a source of air under pressure, said attachment also being connected to the extensible tube, a pump in said container adapted to force the liquid from the container out through the extensible tube, an air motor for operating said pump located in said container and an air connection between said attachment and the air motor, and means connecting with said attachment for directingthe air to the extensible tube or to the air motor whereby a liquid pumping operation takes place or an air blowing operation takes place.

Description

Feb. 10, 1953 c. F. HOERNER CRANKCASE FLUSHER 2 SHEETS-SHEET 1 Filed Feb. 26, 1946 (MHZ/WEI way/v0? INVENTOR.
ATTORNEY,
Feb. 10, 1953 Filed Feb. 26, 1946 C. F. HOERNER CRANKCASE FLUSHER 2 SHEETS-SHEET 2' (ZAfiE/VlE HOE/WW1")? INVENTOR.
BY 7% W .AZZ'WZ/VEX Patented Feb. 10, 1953 UNITED STATES PATENT OFFICE CRANKCASE FLUSHER Clarence F. Hoerner, Dayton, Ohio Application February 26, 1946, Serial No. 650,258 4 Claims. (01.134 99) This invention relates to improvements in portable crank case flushers for combustion engines and has for its object to provide a flusher that will clean all parts of the crank case and lower motor.
It is also an object of this invention to provide in connection with a crank case fiusher, means for recovering the flushed liquid and removing therefrom carbon particles and sludge.
It is also an object of this invention to provide a crank case flusher in which there is no fire hazard, in which there are few moving parts and in which all parts are well protected and their operations are simple.
These and other advantages will appear from the following description taken in connection with the drawings, in which:
Figure 1 is a vertical section of an outside container, the filter, and partial section of a telescopic tube for conveying the filter liquid.
Figure 2 is a section on line 22 of Figure 1.
Figure 3 is a view showing one form of nozzle.
Figure 4 is a side elevation of the flusher taken from the right hand side of Figure 1 with the outer container broken away to show the interior construction and the telescopic tubes in section.
Figure 5 is a view showing a valve attachment partly in section for controlling the admission of air in the flusher.
Figure 6 is a bottom view of the cover of the gear pump.
Figure 7 is a section on line of Figure 4.
The outer part of the flusher consists of a body or container I, a bottom 2, a supporting base 3 and a cover 4. These parts are all preferably made of some sheet material, any suitable material may be used. The cover 4 is made to fit the shape of the body or container and has around its outer edge a downwardly extending flange 5 which fits over the outer edge of the upper end of the container I. On the inside of the upper end of the container is an annular bracket 6. At spaced intervals around the upper end of the container is a bracket 1 attached to the cover 4 by means of studs or rivets 8. In the center of the cover 4 is an opening or circular hole around which there is located an annular collar 9. This collar 9 has a flange 9, extending therefrom beneath the cover 4. Below this flange I9 is an annular collar l which has a flange l2 and is attached to the cover 4 by means of rivets or bolts l3.
Fitting in the collar is a fixed pipe l4. This pipe is in alignment with the collar 9 and extends downwardly into the upper end of a pipe I5 which is supported in the bottom of the container. In this pipe l5, alittle below the lower end of the pipe i4, is a series of holes |6 through which fluid may flow from the pipe l5 into a filter can I 1 which has holes |8 in its bottom. On the bottom of this filter can is a hair filter pad 19 through which the oil or fluid used must filter and where the sludge is removed from the oil. The upper end of the filter can I! has thereon an outwardly extending flange 2B which rests upon, and is supported by, the annular bracket 6.
Fitting Within the collar 9 and the pipe I4 is a telescopic pipe 2|. This pipe 2| may be held in adjusted relation with the collar 9 by means of a set screw or thumb screw 22 passing through the collar and engaging with the pipe 2|. Mounted on top ofthe pipe 2| is a catch basin 23 which has on its lower end a collar shaped part 24. Extending through the collar shaped part 24 and the upper endof the pipe 2| is a thumb screw 25 which engages the outer surface of a telescopic tube 26 which extends downwardly into the container.
Tubes 26 and 3|! constitute an adjustable flushing passageway. Tube 2| constitutes a drainback passageway from the catch basin 23 to the lower part of the pipe l5. As the fluid is drained back from the catch basin into the lower part of pipe IE, it fills this pipe up until the fluid reaches the holes l6 through which it then passes into the filter can 11. The fluid seeps through the bottom of the filter can I! into the container. Thus the fluid can be used over and over aagin.
In the catch basin 23, and supported by its periphery, is a screen 21 which has thereon a collar 28 around the upper end of the telescopic tube 26. Threaded onto the upper end of the tube 26 is a nozzle 29. This nozzle may be of any shape, form, size and length. In Figure 3 there is shown a flexible nozzle indicated by the numeral 29a. This nozzle 29a is the one that goes into the breather pipe of the motor.
Within the telescopic tube 26 is a stationary oil tube 30. Supported on the bottom or lower end of the pipe I5 is a gear pump housing 3| which has therein a jack shaft 32 and a pump shaft 33. The lower end of the housing 3| is open to provide for the ready insertion of the pump elements and their shafts and is closed by means of a pump cover 34 which provides bearing holes 32a and 33a for the lower ends of the jack shaft and the pump shaft respectively. In this pump cover 34 is a hole 35 through which oil passes from the lower part of the container into pump case.
Within the pump housing 3| are two gear elements 3'! forming the operating parts of the pump. One of these gear elements is on the jack shaft 32 and the other is on the pump shaft 33. Extending from the pump housing 3| into the lower end of the pipe I is an outlet pipe 38 through which the oil is forced from the pump into the lower end of the tube 30. The end of the pipe 38 within the lower end of the pipe I5 is inserted into one part of a T connection 39 as shown in Figure 2.
In line with the pipe 38 and threaded into part of the T connection is a pipe 40 which is an air ipe connected to an air attachment shown in Figure 5. The lower end of the oil tube 36 is threaded into one side of the T connection so that there is provided between the pipes 30, 38 and 40 a space 4| in which there is a ball valve 42 adapted to close the end of the pipe 38 or the end of the pipe 40. A pin 4|a prevents the ball from closing the oil tube 30.
The bottom of the pipe |5 rests upon, and is threaded into, the base 43 which rests upon the bottom 2 of the container In addition to being supported in part by the pipe 38, the pump 3| is supported by means of a metal plate 44 attached to the pump and to a hose clamp 45 clamped around the lower end of the pipe I5. This clamp is tightened by means of a screw 46.
One of the very attractive features of this invention is the motor by which the flushing is done. In order to prevent any possibility of sparks or fire, there is provided within the container an air motor 47 which is supported by means of a bracket 48 attached to one side of the pipe I5. This motor operates the pump shaft 33 connected to the gear pump 3|. Leading into the motor 41 for the purpose of operating it is an air pipe 49 connected at its upper end to a valve body 50.
Located within the container, and as shown in the drawings, substantially parallel with the pipe 49 and the shaft 33, is an air pipe 5|. This air pipe 5|, at its lower end, is connected to the pipe 43 leading into the space 4| in the T connection at the lower end of the oil tube 30. The upper end of the air pipe 5| is connected into a valve body 52 which has therein a chamber 53 directly connected to the pipe 5|. Beneath the chamber 53 is a second chamber 54 and between the two chambers 53 and 54 is a valve seat 55 forming L a passageway 55 through which air may pass from one chamber into the other. This passageway may be closed by means of a valve 51 located on the lower end of the valve stem 58 passing out through the top of the valve body 52. This valve stem is operated by means of a plunger 59 supported by a valve guide 60. The upper end of the plunger 59 is provided with the finger button 6|. The chamber 54 is connected by an elbow to a T connection 52 which has a compressed air inlet 63. The other part of the T connection 62 is connected by means of an elbow to the valve body 50 which is constructed internally in every Way similar to the mechanism found in the valve body 52. The valve in the body 50 is operated by means of a plunger 59a, which is supported by a valve guide 60a. On top of the plunger 59a is a button Sic. The upper ends of the valve stems found in the valve bodies 50 and 52 are threaded and have mounted thereon washers 50a and 52a and between each of these washers and the valve bodies are gaskets that prevent the escape of air when the valve is open.
In the use of applicants flusher the nozzle 29 and the basin 23 are adjusted to the proper 4 height. After these parts are properly adjusted should it be desired that the parts be cleaned by blowing air thereon, the button 6| is pressed to operate the valve 52 to open the passageway 55, so that air is emitted from the inlet 53 into the pipe 5|. The air from this pipe 5| passes through the pipe 49 into the space 4| from which the air passes through the pipe 353 and out at the nozzle 29. The pressure of the air causes the ball 42 to close the passageway or entrance into the pipe 38 closing off the pump. When it is desired to apply flushing fluid the button Bill is pressed. This operates a mechanism located in the housing 51) similar to that in connection with the valve structure for the admission of air through the pipe 5!. This air which enters the chamber 58 from the inlet 63 passes down through the pipe 49 for operating the air motor 41. This air motor 41 operates the shaft 33 for operating the pump, shown in Figure 2. The fluid taken from the container first moves a ball 42 to close the opening in the end of the pipe 4!! so that the fluid will pass up through the pipe 38, from this pipe 30, the fluid is forced out through the nozzle 23 or the nozzle 23a, shown in Figure 3.
For the purpose of transportation, the container is provided with handles 64 and swivel rollers 65.
What I claim is:
1. In a crank case fiusher, a container for a flushing liquid, an outlet from the container, a pump in the container for forcing the liquid through the outlet, an air motor in the container for operating the pump, a source of air, and means to connect the air to the motor or the outlet.
2. In a crank case flusher, a container for a liquid, a flushing tube leading out of the container, a pump in said container having an outlet connected to the tube, an air motor for operating the pump, an attachment in the container, said attachment having an inlet adapted to be connected to a supply of air under pressure, an outlet connected to the tube and a second outlet leading to the motor, means to cut the tube ofi from the pump outlet or the first named attachment outlet, and means extending from the attachment out of the container and operable on the air to determine whether liquid or air shall be discharged through the flushing tube.
3. In a crank case flusher, a container for a liquid, a flushing tube leading out of the container, a pump in said container having a pipe leading to the tube, an air motor in said container for operating the pump, an attachment in the container, said attachment having an inlet adapted to be connected to a supply of air under pressure, an outlet connected to'the tube and a second outlet leading to the motor, a valve in each outlet normally closed by the air pressure thereon, and means extending from the valves to the outside of the container to open the valves to admit air to the motor or to the outlet connected to the tube.
4. In a crank case i'iusher, a container having a liquid in the lower end thereof, a filter can in the top of said container, an extensible tube leading from the liquid in the container to a point outside the container, means to catch the liquid after it has left the tube and return it to the filter can, an attachment in the container, said attachment adapted to be connected to a source of air under pressure, said attachment also being connected to the extensible tube, a pump in said container adapted to force the liquid from the container out through the extensible tube, an air motor for operating said pump located in said container and an air connection between said attachment and the air motor, and means connecting with said attachment for directingthe air to the extensible tube or to the air motor whereby a liquid pumping operation takes place or an air blowing operation takes place.
CLARENCE F. HOERNER.
REFERENCES CITED The following references are of record in the file of this patent:
6 UNITED STATES PATENTS Number Name Date I-Iogel Oct. 22, 1912 Osborne June 21, 1927 Trobridge June 28, 1932 Deutsch Feb. 28, 1933 Eisinger May 29, 1934 Janus Dec. 4, 1934 Delano Dec. 3, 1935 Ash Oct. 13, 1936 Delano May 11, 1937 Wills Sept. 3, 1940 Wilson Sept. 25, 1945 Vawter Aug. 19, 1947
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791947A (en) * 1987-05-11 1988-12-20 George Holzberger Automotive parts cleaning device with asbestos residue compartment
US5052422A (en) * 1990-04-16 1991-10-01 Safety Kleen Corporation All weather apparatus for cleaning pipe threads
US6189299B1 (en) 1998-03-10 2001-02-20 Fresh Express, Inc Apparatus for cooling and packaging bulk fresh products
US6196237B1 (en) 1998-09-01 2001-03-06 Fresh Express Corp. Methods for washing cores of cored lettuce heads
US6367489B1 (en) * 2000-03-16 2002-04-09 Soichiro Yamamoto Brake washer
US6379731B1 (en) 2000-02-18 2002-04-30 Fresh Express, Inc. Methods for vacuum gas flush treatment of fresh produce
US6435347B1 (en) 2000-02-18 2002-08-20 Fresh Express, Incorporated Container for freshly harvested respiring, leafy produce
US6467248B2 (en) 2000-02-18 2002-10-22 Fresh Express, Inc. Method for processing freshly harvested leafy vegetables and subdivided, peeled fruit
US6679276B1 (en) 1999-04-20 2004-01-20 Fresh Express, Inc. Apparatus and methods for washing the cored areas of lettuce heads during harvest
US7278433B1 (en) 2003-02-20 2007-10-09 Dole Fresh Vegetables, Inc. Washing a cored lettuce head

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Publication number Priority date Publication date Assignee Title
US1042227A (en) * 1912-03-19 1912-10-22 Hascal A Hogel Compressed-air water-elevator.
US1633283A (en) * 1924-07-03 1927-06-21 A R Chandler Apparatus for cleaning crank cases
US1865289A (en) * 1930-04-22 1932-06-28 Lloyd J Trowbridge Radiator cleaner
US1899019A (en) * 1927-09-02 1933-02-28 Deutsch Leo Apparatus for cleaning containers
US1960235A (en) * 1928-05-09 1934-05-29 Standard Oil Co Cleaning apparatus for lubricant containers
US1983084A (en) * 1933-10-19 1934-12-04 Janus Bernard Radiator cleaning apparatus
US2023007A (en) * 1934-03-17 1935-12-03 James K Delano Adjustable support for cleaners
US2057286A (en) * 1935-05-13 1936-10-13 Edward C Chandier Feeding means
US2079989A (en) * 1934-02-09 1937-05-11 James K Delano Gear-case cleaning apparatus
US2213480A (en) * 1939-05-09 1940-09-03 Marion V Wills Apparatus for flushing crankcases of automobiles
US2385393A (en) * 1941-03-13 1945-09-25 Florus E Wilson Crankcase flusher
US2425848A (en) * 1945-04-02 1947-08-19 Vawter Dale Portable flushing and filtering unit

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1042227A (en) * 1912-03-19 1912-10-22 Hascal A Hogel Compressed-air water-elevator.
US1633283A (en) * 1924-07-03 1927-06-21 A R Chandler Apparatus for cleaning crank cases
US1899019A (en) * 1927-09-02 1933-02-28 Deutsch Leo Apparatus for cleaning containers
US1960235A (en) * 1928-05-09 1934-05-29 Standard Oil Co Cleaning apparatus for lubricant containers
US1865289A (en) * 1930-04-22 1932-06-28 Lloyd J Trowbridge Radiator cleaner
US1983084A (en) * 1933-10-19 1934-12-04 Janus Bernard Radiator cleaning apparatus
US2079989A (en) * 1934-02-09 1937-05-11 James K Delano Gear-case cleaning apparatus
US2023007A (en) * 1934-03-17 1935-12-03 James K Delano Adjustable support for cleaners
US2057286A (en) * 1935-05-13 1936-10-13 Edward C Chandier Feeding means
US2213480A (en) * 1939-05-09 1940-09-03 Marion V Wills Apparatus for flushing crankcases of automobiles
US2385393A (en) * 1941-03-13 1945-09-25 Florus E Wilson Crankcase flusher
US2425848A (en) * 1945-04-02 1947-08-19 Vawter Dale Portable flushing and filtering unit

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791947A (en) * 1987-05-11 1988-12-20 George Holzberger Automotive parts cleaning device with asbestos residue compartment
US5052422A (en) * 1990-04-16 1991-10-01 Safety Kleen Corporation All weather apparatus for cleaning pipe threads
US6189299B1 (en) 1998-03-10 2001-02-20 Fresh Express, Inc Apparatus for cooling and packaging bulk fresh products
US6196237B1 (en) 1998-09-01 2001-03-06 Fresh Express Corp. Methods for washing cores of cored lettuce heads
US6276375B1 (en) 1998-09-01 2001-08-21 Fresh Express, Inc. Apparatus and methods for washing cores of cored lettuce heads
US6679276B1 (en) 1999-04-20 2004-01-20 Fresh Express, Inc. Apparatus and methods for washing the cored areas of lettuce heads during harvest
US6379731B1 (en) 2000-02-18 2002-04-30 Fresh Express, Inc. Methods for vacuum gas flush treatment of fresh produce
US6435347B1 (en) 2000-02-18 2002-08-20 Fresh Express, Incorporated Container for freshly harvested respiring, leafy produce
US6467248B2 (en) 2000-02-18 2002-10-22 Fresh Express, Inc. Method for processing freshly harvested leafy vegetables and subdivided, peeled fruit
US6470795B1 (en) 2000-02-18 2002-10-29 Fresh Express, Inc. Methods and apparatus for vacuum/gas flush treatment of fresh produce
US6367489B1 (en) * 2000-03-16 2002-04-09 Soichiro Yamamoto Brake washer
US7278433B1 (en) 2003-02-20 2007-10-09 Dole Fresh Vegetables, Inc. Washing a cored lettuce head
US20080023041A1 (en) * 2003-02-20 2008-01-31 Dole Fresh Vegetables, Inc. Washing a cored lettuce head
US7484514B2 (en) 2003-02-20 2009-02-03 Dole Fresh Vegetables, Inc. Washing a corded lettuce head

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