US3906742A - Air conditioning system utilizing ice slurries - Google Patents
Air conditioning system utilizing ice slurries Download PDFInfo
- Publication number
- US3906742A US3906742A US439204A US43920474A US3906742A US 3906742 A US3906742 A US 3906742A US 439204 A US439204 A US 439204A US 43920474 A US43920474 A US 43920474A US 3906742 A US3906742 A US 3906742A
- Authority
- US
- United States
- Prior art keywords
- water
- refrigerant
- ice crystals
- conduit
- ice
- 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
-
- 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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
-
- 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
- F25D16/00—Devices using a combination of a cooling mode associated with refrigerating machinery with a cooling mode not associated with refrigerating machinery
-
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2301/00—Special arrangements or features for producing ice
- F25C2301/002—Producing ice slurries
Definitions
- This invention relates to an improved single pipe air conditioning system of the type described in US. Pat. 3,384,155 using a slurry of circulating ice crystals in a water-immiscible liquid refrigerant to be circulated to the load when on the cooling cycle.
- the present invention is directed to, and has for its primary object, the provision of an improved single pipe air conditioning system utilizing a fluid such as water for direct mixing with a water-immiscible liquid refrigerant.
- a fluid such as water for direct mixing with a water-immiscible liquid refrigerant.
- the refrigerant is one which will not form a hydrate when mixed with water.
- refrigerant R-114 which investigators have found will not form hydrates under practical operating conditions. See New Agents For Use In The Hydrate Process For Demineralizing Sea WAter, Office of Saline Water, Research and Development Progress Report No. 59, page 27.
- the ice crystals are formed by directly mixing therefrigerant with liquid water (and residual ice crystals) under such conditions that the refrigerant will immediately evaporate and thereby flash cool the mixture below the freezing point of water.
- the mixture of ice crystals and refrigerant hereinafter referred to as the slurry, is circulated to the individual air handling units which in a preferred embodiment may be connected in a closed loop or single pipe system.
- the slurry may also be stored at high concentration ready for cit-- culation when needed.
- FIGURE is a schematic or diagrammatic view of a single pipe air conditioning system embodying the principles of the present invention.
- FIGURE illustrates a single pipe air conditioning system comprising a closed circuit conduit arrangement including a plurality of room air handling units 9respectively located in zones A, B and C to be conditioned.
- the single loopsuitable air circulating means (such as an induction unit) and a heat exchanger 12 connected byindividual inlet lines 13 and outlet lines 14 to the conduit 10.
- Each of the inlet lines 13 includes a pump 15 actuated by a control 16 responsive to air temperature in the zone as sensed by bulb 17 and to the temperature of the heat exchange medium flowing in conduit 10 as sensed by bulb 18.
- the single pipe system uses the alternate circulation of a heated and a chilled heat exchange medium to be made available to the air handling units. If there is a demand for cooling, the controls will permit circulation of the heat exchange medium to the air handling units only if a chilled medium is being circulated through conduit 10. If a heated medium is available, it is simply bypassed. When there is a demand for heating in a particular zone, the controls will permit circulation of such medium through the heat exchanger only if the heated medium is available and will bypass the same if it is chilled.
- the means for supplying chilled heat exchange medium is designed to produce a mixture of ice crystals in a water-immiscible liquid refrigerant for circulation through the system.
- the means for producing and circulating the icerefrigerant mixture generally replaces the more conventional liquid chilling units which were intended for use in the system described in US. Pat. Nos. 3,384,155 and 3,425,485.
- the chiller section shown generally within the area bounded by dotted lines indicated at D, comprises a compressor 19 and a condenser 20 connected by conduit 21.
- the compressor delivers refrigerant through conduit 21to the condenser where it is condensed and flows through conduit 22 to an expansion device 23 and then through conduit 24 to a mixing chamber 25, tube 26, and separator 27.
- the system utilizes a fluid, such as water, and a water-immiscible, refrigerant, such as refrigerant R-114, the water being brought into direct contact with the refrigerant to provide an ice crystal slurry in the mixing chamber 25 and separator 27.
- Refrigerant vapor is returned to the suction side of compressor 19 through line 60; and the slurry is circulated, during the cooling cycle, through conduit 62, three-way valve 64, pump 66 and then through conduits 10, a and 10b to and from the air conditioning units 9.
- the slurry may be stored in a container 28 at high concentration ready for circulation when desired.
- the conduit 24 extends into the chamber 25 and provides a nozzle forming an eductor 29 in the chamber for supplying a jet of the expanding water-immiscible liquid refrigerant to freeze the water which enters the chamber 25 via conduit 30 from container 28.
- the water and/or ice crystals (which will also contain a controlled amount of refrigerant) flows from container 28 and is aspirated into the liquid refrigerant by the eductor, the water freezing to form an ice slurry.
- the ice crystals and liquid refrigerant mixture passes from the mixing chamber 25 and conduit 26 into the vapor-liquid separator 27, where a portion of the refrigerant separates from the mixture by evaporation, returning via line 60, as vapor, to the suction side of compressor 19.
- the ice crystal and liquid refrigerant mixture passes from the separator 27 and flows through conduit 62, three-way valve 64, and conduit 31 to the pump 66 for circulation through supply riser 10a to the air conditioning units 9 and then to return riser 10b to threeway valve 51, conduit 52 to storage container 28.
- the liquid refrigerant itself is circulated as the principal carrier of the ice cyrstals. Excess ice crystals and/or refrigerant returns for storage in container 28 to provide a cooling reserve.
- Pump 66 as well as pumps 15 on the room units, are of the type capable of efficiently handling slurries without jamming the impellers. Such pumps are commonly used to pump sewage.
- the liquid refrigerant and ice crystals (and melted ice) separate in the storage container 28, the water and ice crystals floating on top of the liquid refrigerant.
- the water and ice crystals flow from container 28 through conduit 33 to a three-way valve 34 connected to conduit 30.
- the liquid refrigerant flows from container 28 through conduit 35 to the valve 34.
- the valve 34 effectively controls the amount of water and ice flowing to mixing chamber 25 to provide a desired percentage of crystals to level the load on the compressor.
- Slurry concentration, flowing through conduit 30 to the mixing chamber 28 may be controlled by a photoelectric sensor 36 receiving varying light from source 37 through a transparent section 38 of the pipe 30. Sensor 36 may be used to control the mixing of ice (water) and refrigerant in valve 34.
- a water heater and storage chamber 72 are provided for the supply of heated medium to air handling units 9.
- the latter is connected to the ice slurry storage chamber 28 by equalizer line 74.
- the outlet of heater 70 is connected to three-way valve 64 by conduit 76; and the chamber 72 and heater 70 are connected by conduit 78. Returning hot water in return riser 10b is directed to valve 51 and then to chamber 72 via line 80.
- Means for this purpose are indicated by numeral 38 which comprises a motor 40 and an impeller 42 which may be operated continuously, or at least while the cooling system is functioning.
- line 45 provides a vapor flow passage between the upper portion of holding tank 28 (above the normal liquid level) and compressor suction line 60.
- Such a line may also be provided with a filter 46 to prevent liquid carryover and a pressure regulator 47 so that the pressure in storage tank 28 is not pulled down to any appreciable extent.
- OPERATION Cycling of the single pipe system is controlled by a timer 81 which is adapted to actuate three-way valve 64 having a first inlet receiving hot water from heater 70 from line 76 and a second inlet adapted to receive the mixture of ice crystals and refrigerant from line 62.
- heater 70 is adapted'to deliver water to the inlet side of pump 66 through line 31 and three-way valve 64.
- the individual air handling units draw off fluid as required depending on the demand for heat in the individual zones. Returning water is delivered to the inlet side of three-way valve 51 and delivered through line to the storage chamber 72 and then to inlet side of heater 70 through line 78.
- the mixture of ice crystals and refrigerant is delivered from separator 27 through line 62 to three-way valve 64 which is switched over to permit flow between lines 62 and 31 to supply pump 66.
- the returning water at the same time is delivered to storage tank 72 for holding the hot water as it is drawn out of the system.
- the temperature is sensed by thermostat 82 upstream from three-way valve 51 which then changes the position of such valve to permit the returning fluid to pass through line 52 to the storage receptacle 28 containing the mixture of ice crystals and refrigerant.
- three-way valve 64 is repositioned to permit flow between the outlet of heater 70 and inlet of pump 66; and the returning mixture of chilled medium is stored in receptacle 28 until the heated medium begins to flow through return riser 10b.
- the air handling units may be induction units or, for that matter, any air handling unit containing a heat exchanger to be supplied with a heat exchange medium and means for circulating room air over the heat exchanger.
- a multi-room air conditioning system comprising a plurality of room air conditioning units located in a plurality of zones subject to varying thermal loads, each said conditioning unit including a liquid-to-air heat exchanger; means for producing a chilled heat exchange medium including means for bringing water and a water-immiscible liquid refrigerant, which is incapable of forming a hydrate, into direct contact with each other and evaporating said refrigerant to provide a slurry containing ice crystals; and means for circulating said heat exchange medium to said heat exchangers, said liquid refrigerant providing the carrier for said ice crystals.
- a system as defined in claim 1 including a mixing chamber, and an eductor in said chamber for providing a jet of expanding refrigerant to freeze water in said chamber, thereby forming said ice crystals.
- a system as defined in claim 2 including a storage container having an ice crystal containing section and a liquid refrigerant containing section; a first conduit connected to the ice crystal-containing section; a second conduit connected to the liquid refrigerantcontaining section; a third conduit; a three-way valve connecting said first and second conduits to said third conduit; and means connecting said third conduit to said mixing chamber, whereby theratio of ice crystals to liquid refrigerant, in the stream entering said mixing chamber, may be controlled.
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US439204A US3906742A (en) | 1972-12-04 | 1974-02-04 | Air conditioning system utilizing ice slurries |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31217272A | 1972-12-04 | 1972-12-04 | |
US439204A US3906742A (en) | 1972-12-04 | 1974-02-04 | Air conditioning system utilizing ice slurries |
Publications (1)
Publication Number | Publication Date |
---|---|
US3906742A true US3906742A (en) | 1975-09-23 |
Family
ID=26978259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US439204A Expired - Lifetime US3906742A (en) | 1972-12-04 | 1974-02-04 | Air conditioning system utilizing ice slurries |
Country Status (1)
Country | Link |
---|---|
US (1) | US3906742A (en) |
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4224801A (en) * | 1978-11-13 | 1980-09-30 | Lewis Tyree Jr | Stored cryogenic refrigeration |
US4280335A (en) * | 1979-06-12 | 1981-07-28 | Tyler Refrigeration Corporation | Icebank refrigerating and cooling systems for supermarkets |
US4283925A (en) * | 1979-11-15 | 1981-08-18 | Robert Wildfeuer | System for cooling |
US4307580A (en) * | 1979-02-20 | 1981-12-29 | The Commonwealth Industrial Gases Limited | Method and apparatus for refrigeration |
US4334412A (en) * | 1979-11-15 | 1982-06-15 | Robert Wildfeuer | Cooling system |
US4341080A (en) * | 1979-02-20 | 1982-07-27 | The Commonwealth Industrial Gases Limited | Method for refrigeration |
US4472948A (en) * | 1981-10-23 | 1984-09-25 | Alsthom-Atlantique | Heat pump installation operating from a cold source constituted by a turbid or corrosive solution |
US4750333A (en) * | 1983-10-03 | 1988-06-14 | Chicago Bridge & Iron Company | Integrated mine cooling and water conditioning system |
US4760713A (en) * | 1986-11-17 | 1988-08-02 | United Technologies Corporation | Multiple heat sink cooling system for a burst power fuel cell |
US4782669A (en) * | 1986-11-17 | 1988-11-08 | International Fuel Cells Corporation | Cooling system for a burst power fuel cell |
EP0427648A1 (en) * | 1989-11-10 | 1991-05-15 | Thermique Generale Et Vinicole | Method and device for the transfer of cold |
FR2671174A1 (en) * | 1990-12-28 | 1992-07-03 | Kajima Corp | Method and apparatus for storing heat in ice by using a jet of refrigerant |
US5139549A (en) * | 1991-04-05 | 1992-08-18 | Chicago Bridge & Iron Technical Services Company | Apparatus and method for cooling using aqueous ice slurry |
EP0508245A1 (en) * | 1991-04-09 | 1992-10-14 | RIELLO CONDIZIONATORI S.p.A. | Combined heating and cooling system |
US5207075A (en) * | 1991-09-19 | 1993-05-04 | Gundlach Robert W | Method and means for producing improved heat pump system |
US5265442A (en) * | 1992-05-12 | 1993-11-30 | Lamie Thomas T | Non-compressive auxiliary air conditioning system |
US5307641A (en) * | 1993-01-06 | 1994-05-03 | Chicago Bridge & Iron Technical Services Company | Method and apparatus for producing ice by direct contact of a non-hydrate producing refrigerant with water |
US5715702A (en) * | 1996-11-15 | 1998-02-10 | Frigoscandia Equipment Ab | Refrigeration system |
US6112545A (en) * | 1999-04-30 | 2000-09-05 | Taco, Inc. | Single pipe closed loop reverse flow cooling and dehumidification system |
FR2795810A1 (en) * | 1999-06-30 | 2001-01-05 | Mc Internat | PROCESS FOR THERMAL EXCHANGE BY A SOLID LIQUID DIPHASIC REFRIGERANT FLUID |
WO2002084187A1 (en) * | 2001-04-11 | 2002-10-24 | Frigoscandia Equipment Ab | Two-stage refrigeration system |
FR2844581A1 (en) * | 2002-09-13 | 2004-03-19 | Technologies Soc | Air conditioning system for individual work station comprises portable air conditioning unit at station with connections to iced water circuit mounted under floor or under work station plinth |
EP1420214A1 (en) * | 2002-11-12 | 2004-05-19 | AERMEC S.p.A. | Air-conditioning system for rooms |
US20040112584A1 (en) * | 2002-12-17 | 2004-06-17 | Kuo-Liang Weng | controlling method for the discharge of coolant medium in the heat exchange wind box |
US20050167092A1 (en) * | 2004-01-29 | 2005-08-04 | Comeaux Vernal J. | Thermal reservoir for two-pipe hydronic air-conditioning system |
US20100212336A1 (en) * | 2007-09-18 | 2010-08-26 | Scottish & Newcastle Limited | Control system |
US20110048058A1 (en) * | 2004-05-25 | 2011-03-03 | Ice Energy, Inc. | Thermal energy storage and cooling system with enhanced heat exchange capability |
US20130255908A1 (en) * | 2012-04-03 | 2013-10-03 | Solarlogic, Llc | Energy measurement system for fluid systems |
EP3676546A4 (en) * | 2017-09-01 | 2021-06-02 | Rebound Technologies, Inc. | Solid production methods, systems, and devices |
US11441830B2 (en) | 2018-12-26 | 2022-09-13 | Rebound Technologies, Inc. | Solid production systems, devices, and methods utilizing oleophilic surfaces |
US20230029186A1 (en) * | 2019-10-25 | 2023-01-26 | M.E.D. Energy Inc. | Method for thermal energy transmission using water and carbon dioxide |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3247678A (en) * | 1963-10-02 | 1966-04-26 | John W Mohlman | Air conditioning with ice-brine slurry |
US3384155A (en) * | 1966-01-24 | 1968-05-21 | Borg Warner | Air conditioning system |
US3416977A (en) * | 1966-04-01 | 1968-12-17 | Union Carbide Corp | Cryogenic cooling |
-
1974
- 1974-02-04 US US439204A patent/US3906742A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3247678A (en) * | 1963-10-02 | 1966-04-26 | John W Mohlman | Air conditioning with ice-brine slurry |
US3384155A (en) * | 1966-01-24 | 1968-05-21 | Borg Warner | Air conditioning system |
US3416977A (en) * | 1966-04-01 | 1968-12-17 | Union Carbide Corp | Cryogenic cooling |
Cited By (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4224801A (en) * | 1978-11-13 | 1980-09-30 | Lewis Tyree Jr | Stored cryogenic refrigeration |
US4307580A (en) * | 1979-02-20 | 1981-12-29 | The Commonwealth Industrial Gases Limited | Method and apparatus for refrigeration |
US4341080A (en) * | 1979-02-20 | 1982-07-27 | The Commonwealth Industrial Gases Limited | Method for refrigeration |
US4280335A (en) * | 1979-06-12 | 1981-07-28 | Tyler Refrigeration Corporation | Icebank refrigerating and cooling systems for supermarkets |
US4283925A (en) * | 1979-11-15 | 1981-08-18 | Robert Wildfeuer | System for cooling |
US4334412A (en) * | 1979-11-15 | 1982-06-15 | Robert Wildfeuer | Cooling system |
US4472948A (en) * | 1981-10-23 | 1984-09-25 | Alsthom-Atlantique | Heat pump installation operating from a cold source constituted by a turbid or corrosive solution |
US4750333A (en) * | 1983-10-03 | 1988-06-14 | Chicago Bridge & Iron Company | Integrated mine cooling and water conditioning system |
US4760713A (en) * | 1986-11-17 | 1988-08-02 | United Technologies Corporation | Multiple heat sink cooling system for a burst power fuel cell |
US4782669A (en) * | 1986-11-17 | 1988-11-08 | International Fuel Cells Corporation | Cooling system for a burst power fuel cell |
EP0427648A1 (en) * | 1989-11-10 | 1991-05-15 | Thermique Generale Et Vinicole | Method and device for the transfer of cold |
FR2654500A1 (en) * | 1989-11-10 | 1991-05-17 | Thermique Generale Vinicole | METHOD AND DEVICE FOR TRANSFERRING COLD. |
US5123262A (en) * | 1989-11-10 | 1992-06-23 | Thermique Generale Et Vinicole | Cold transfer method and device |
FR2671174A1 (en) * | 1990-12-28 | 1992-07-03 | Kajima Corp | Method and apparatus for storing heat in ice by using a jet of refrigerant |
US5139549A (en) * | 1991-04-05 | 1992-08-18 | Chicago Bridge & Iron Technical Services Company | Apparatus and method for cooling using aqueous ice slurry |
EP0508245A1 (en) * | 1991-04-09 | 1992-10-14 | RIELLO CONDIZIONATORI S.p.A. | Combined heating and cooling system |
US5207075A (en) * | 1991-09-19 | 1993-05-04 | Gundlach Robert W | Method and means for producing improved heat pump system |
US5265442A (en) * | 1992-05-12 | 1993-11-30 | Lamie Thomas T | Non-compressive auxiliary air conditioning system |
US5307641A (en) * | 1993-01-06 | 1994-05-03 | Chicago Bridge & Iron Technical Services Company | Method and apparatus for producing ice by direct contact of a non-hydrate producing refrigerant with water |
US5715702A (en) * | 1996-11-15 | 1998-02-10 | Frigoscandia Equipment Ab | Refrigeration system |
US6112545A (en) * | 1999-04-30 | 2000-09-05 | Taco, Inc. | Single pipe closed loop reverse flow cooling and dehumidification system |
WO2001002784A1 (en) * | 1999-06-30 | 2001-01-11 | Mc International | Heat exchanging method with a two-phase liquid/solid heat-transfer fluid |
FR2795810A1 (en) * | 1999-06-30 | 2001-01-05 | Mc Internat | PROCESS FOR THERMAL EXCHANGE BY A SOLID LIQUID DIPHASIC REFRIGERANT FLUID |
WO2002084187A1 (en) * | 2001-04-11 | 2002-10-24 | Frigoscandia Equipment Ab | Two-stage refrigeration system |
US6516626B2 (en) | 2001-04-11 | 2003-02-11 | Fmc Corporation | Two-stage refrigeration system |
FR2844581A1 (en) * | 2002-09-13 | 2004-03-19 | Technologies Soc | Air conditioning system for individual work station comprises portable air conditioning unit at station with connections to iced water circuit mounted under floor or under work station plinth |
EP1420214A1 (en) * | 2002-11-12 | 2004-05-19 | AERMEC S.p.A. | Air-conditioning system for rooms |
US20040188082A1 (en) * | 2002-11-12 | 2004-09-30 | Riello Valerio Giordano | Air-conditioning system for rooms |
US6945324B2 (en) * | 2002-12-17 | 2005-09-20 | Cohand Technology Co., Ltd. | Controlling method for the discharge of coolant medium in the heat exchange wind box |
US20040112584A1 (en) * | 2002-12-17 | 2004-06-17 | Kuo-Liang Weng | controlling method for the discharge of coolant medium in the heat exchange wind box |
US6991028B2 (en) * | 2004-01-29 | 2006-01-31 | Comeaux Vernal J | Thermal reservoir for two-pipe hydronic air-conditioning system |
US20050167092A1 (en) * | 2004-01-29 | 2005-08-04 | Comeaux Vernal J. | Thermal reservoir for two-pipe hydronic air-conditioning system |
US20110048058A1 (en) * | 2004-05-25 | 2011-03-03 | Ice Energy, Inc. | Thermal energy storage and cooling system with enhanced heat exchange capability |
US20100212336A1 (en) * | 2007-09-18 | 2010-08-26 | Scottish & Newcastle Limited | Control system |
US20130255908A1 (en) * | 2012-04-03 | 2013-10-03 | Solarlogic, Llc | Energy measurement system for fluid systems |
US9140503B2 (en) * | 2012-04-03 | 2015-09-22 | Solarlogic, Llc | Energy measurement system for fluid systems |
EP3676546A4 (en) * | 2017-09-01 | 2021-06-02 | Rebound Technologies, Inc. | Solid production methods, systems, and devices |
US11236935B2 (en) | 2017-09-01 | 2022-02-01 | Rebound Technologies, Inc. | Solid production methods, systems, and devices |
US11441830B2 (en) | 2018-12-26 | 2022-09-13 | Rebound Technologies, Inc. | Solid production systems, devices, and methods utilizing oleophilic surfaces |
US11913701B2 (en) | 2018-12-26 | 2024-02-27 | Rebound Technologies, Inc. | Solid production systems, devices, and methods utilizing oleophilic surfaces |
US20230029186A1 (en) * | 2019-10-25 | 2023-01-26 | M.E.D. Energy Inc. | Method for thermal energy transmission using water and carbon dioxide |
US11719469B2 (en) * | 2019-10-25 | 2023-08-08 | M.E.D. Energy Inc. | Method for thermal energy transmission using water and carbon dioxide |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3906742A (en) | Air conditioning system utilizing ice slurries | |
US3869870A (en) | Refrigeration system utilizing ice slurries | |
US3247678A (en) | Air conditioning with ice-brine slurry | |
US4363218A (en) | Heat pump using solar and outdoor air heat sources | |
US4173994A (en) | Solar energy heating and cooling apparatus and method | |
US3822561A (en) | Self contained air cooling unit | |
US4182489A (en) | Heat transfer system | |
JP2000502172A (en) | Thermal energy storage type air conditioning system | |
GB1239997A (en) | Cooling and heating apparatus for heat storage type | |
US3257818A (en) | Cooling system | |
US3018640A (en) | Apparatus for utilizing the heat which is obtained with the production of cold in refrigerating plants | |
US3640084A (en) | Refrigeration system and method | |
GB2039017A (en) | Absorption refrigerator | |
US3882689A (en) | Flashing liquid refrigerant and accumulating unvaporized portions at different levels of a single vessel | |
US2707869A (en) | dennison | |
US3212284A (en) | Refrigeration apparatus | |
US4928752A (en) | Method for recovering latent heat from a heat transfer medium | |
US3164973A (en) | Refrigerating systems | |
US2739452A (en) | Refrigerating system | |
US3280592A (en) | Method and apparatus for chilling liquid | |
JP2531507Y2 (en) | Super cooling water production equipment | |
JP3516314B2 (en) | Ice heat storage device using supercooled water | |
KR102609495B1 (en) | Ice making system using supercooling | |
CN209639329U (en) | Synergy preheats ice-making system | |
US3520812A (en) | Refrigerant composition containing ammonia,ethanol,and mineral oil |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: YORK INTERNATIONAL CORPORATION, 631 SOUTH RICHLAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST. EFFECTIVE;ASSIGNOR:BORG-WARNER CORPORATION;REEL/FRAME:004676/0360 Effective date: 19860609 |
|
AS | Assignment |
Owner name: CANADIAN IMPERIAL BANK OF COMMERCE Free format text: SECURITY INTEREST;ASSIGNOR:YORK OPERATING COMPANY, F/K/A YORK INTERNATIONAL CORPORATION A DE CORP.;REEL/FRAME:005994/0916 Effective date: 19911009 |
|
AS | Assignment |
Owner name: CANADIAN IMPERIAL BANK OF COMMERCE Free format text: SECURITY INTEREST;ASSIGNOR:YORK INTERNATIONAL CORPORATION (F/K/A YORK OPERATING COMPANY);REEL/FRAME:006007/0123 Effective date: 19911231 |
|
AS | Assignment |
Owner name: CANADIAN IMPERIAL BANK OF COMMERCE Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:YORK INTERNATIONAL CORPORATION, A DE CORP.;REEL/FRAME:006194/0182 Effective date: 19920630 |