Patents for F25B 29 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously (6,502)
05/2001
05/23/2001EP1101070A2 Vapor-compression evaporative air conditioning system
05/22/2001US6233962 Channeled freeze processing of non-solid materials
05/22/2001US6233951 Heating, cooling and de-humidification system for buildings
05/15/2001US6230514 Energy transfer system for refrigerator freezer components
05/10/2001WO2001033148A1 Channeled freeze processing of non-solid materials
05/10/2001WO2001033146A1 Air conditioner
05/02/2001EP1096209A1 Heat pumping device, in particular for refrigeration
05/02/2001CN1293346A Refrigerating-heating case for service in small residential district
04/2001
04/25/2001CA2323941A1 Heat pump installation for cooling
04/24/2001US6220043 Apparatus and method for control of a heat pump system
04/18/2001CN1292079A Refrigerating plant
04/12/2001WO2001024903A2 A plant for recovering solvents from air
03/2001
03/29/2001WO2001022011A1 Heat pump fluid heating system
03/27/2001US6205811 Device for modifying the temperature of a fluid
03/27/2001US6205797 Air-conditioning system and method of operating the same
03/22/2001WO2001020234A1 Combination of a refrigerator and a heat pump and a water heater
03/13/2001US6199389 Air Conditioning system and method for operating the same
03/07/2001CN2422607Y Liquid storage type universal heat exchanger
03/07/2001CN1062949C 空调器 Air Conditioner
03/01/2001DE10024798A1 Air conditioning system heats or cools building and provides domestic water has three interactive heat medium circuits
02/2001
02/08/2001WO2001009556A2 Energy converting apparatus using vertical impulse wave, method thereof and air-conditioning system
01/2001
01/31/2001CN2417063Y Refrigerating or heating thermal insulation box special used on vehicle
01/31/2001CN1061434C Method and device for cool thermal storage and/or water purification
01/24/2001CN2416449Y Laminated refrigerating heating structure for vacuum freezing dryer
01/24/2001CN1281131A Thermodynamic equipment capable of regenerating energy sources
01/17/2001EP0536372B1 Surface heating/air conditioning system
01/11/2001WO2001002783A1 Multi-function thermodynamic device
01/10/2001CN2414364Y Two-stage hot melt machine
12/2000
12/26/2000US6164086 Air conditioner
12/13/2000EP1059493A1 Refrigerating plant
12/07/2000WO2000073714A1 A method to improve the heat pump process
11/2000
11/29/2000EP0639745B1 Refrigerator
11/15/2000EP1052124A2 Method for controlling a refrigerating cycle and a refrigerating cycle
11/15/2000EP0897516B1 Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump
11/14/2000US6145331 Heat recovery management system for transferring an image in a development system
11/07/2000CA2105982C High force thermochemical actuator
11/02/2000EP1048609A1 A beverage trim cooler
10/2000
10/25/2000CN2402980Y Energy-saving semiconductor cold storage and hot storage apparatus
10/10/2000CA2197541C Refrigeration/heat pump module
10/04/2000CN1268652A Sorption type heat pump and method for controlling same
09/2000
09/27/2000EP1039250A2 Refrigerating cycle with a by-pass line
09/13/2000CN2395914Y Cooling and heating device for vehicle
09/12/2000US6116047 Double effect absorbtion cold or hot water generating machine
09/12/2000US6116035 Heat transfer device
09/08/2000WO2000006955A3 Vapor-compression evaporative air conditioning system
08/2000
08/30/2000CN2394170Y Drinking vessel with advertisement
08/16/2000CN1263233A Refrigerating air-conditioning equipment capable of reducing production of waste energy and recovering waste energy
08/15/2000US6101815 Thermo-electrical dehumidifier
08/02/2000EP1015829A4 System and method for channeled freeze processing of non-solid materials
08/01/2000US6094925 Crossover warm liquid defrost refrigeration system
07/2000
07/12/2000CN1260037A Air conditioning system and method of operating same
07/06/2000WO2000039509A1 Refrigerating plant
07/05/2000EP1015829A1 System and method for channeled freeze processing of non-solid materials
07/05/2000CN1259200A Air-conditioning system and method of operating the same
06/2000
06/28/2000CN1257987A Dual-source reversible heating system
06/20/2000US6076369 Evaporative concentration apparatus for waste water
06/17/2000CA2292285A1 Heating, cooling and de-humidification system for buildings
06/07/2000CN1255965A Refrigerating plant
05/2000
05/31/2000EP1004834A2 Air conditioning systems
05/18/2000DE19852333A1 Wärmepumpe für einen Wäschetrockner Heat pump for a tumble dryer
05/17/2000EP1001072A2 Heat pump for a laundry drier
05/17/2000CN1253617A Air-conditioning system
05/11/2000WO2000026585A1 Energy transfer system for refrigerator/freezer components
05/11/2000CA2348860A1 Energy transfer system for refrigerator/freezer components
05/09/2000USRE36684 Method for use of liquid/vapor ammonia absorption systems in unitary HVAC systems
04/2000
04/26/2000EP0994806A1 Air cycle environmental control system with vapor cycle system assisted condensation
03/2000
03/22/2000EP0987503A1 Refrigerating plant
02/2000
02/29/2000US6029471 Enveloping heat absorber for improved refrigerator efficiency and recovery of reject heat for water heating
02/23/2000CN1245281A Auxiliary refrigerating and heating combined equipment
02/23/2000CN1245280A Lithium bromide suction type heating and refrigerating combined machine set
02/16/2000CN1049510C Method for producing heatable and refrigerable element for system haudling small quantities of liquid, and method for producing same
02/10/2000WO2000006955A2 Vapor-compression evaporative air conditioning system
02/10/2000CA2340771A1 Vapor-compression evaporative air conditioning system
02/03/2000WO2000005542A1 Refrigerating device
01/2000
01/05/2000EP0968393A1 Device for modifying the temperature of a fluid
12/1999
12/16/1999DE19826372A1 Autonomous power system for small and medium single family dwellings enables 3 KW current generator to be effectively driven by low temp.
12/07/1999US5996362 Water heater modified from refrigerated machine using two refrigerant paths and two different types of condensers working alternatively
12/01/1999EP0960310A1 Method and apparatus in a space study
11/1999
11/04/1999DE19919605A1 Air conditioning system eliminates temperature limitations associated with operation of a system with steam absorption circuit
11/02/1999US5974821 System and method for channeled freeze processing of non-solid materials
10/1999
10/27/1999CN1232943A Multi-type air conditioner
10/20/1999CN1045708C Thermal pumpfor aquaculture
10/19/1999US5966961 Apparatus for heating and/or refrigerating food in general
10/12/1999US5964101 Energy transfer system for refrigerator/freezer components
09/1999
09/14/1999US5950447 Desiccant assisted air conditioning system
08/1999
08/31/1999US5943874 Desiccant assisted air conditioning apparatus
08/24/1999US5941089 Absorption refrigerating/heating apparatus
08/11/1999CN2332966Y Heat pump water heater
08/10/1999US5934360 Cooling and heating system for vehicle
08/10/1999US5934094 Vehicle air conditioning system with expansion valve control during high pressure cycle conditions
08/05/1999WO1999039138A1 Refrigerating plant
08/04/1999EP0933331A2 Evaporative concentration apparatus for waste water
08/04/1999CN2331920Y Drinking machine
08/04/1999CN2331919Y Internal installed drinking machine
08/04/1999CN1224697A Evaporative concentration apparatus for waste water
07/1999
07/27/1999US5927086 Method of stopping an absorption refrigerator
07/06/1999US5918472 Air cycle environmental control system with vapor cycle system assisted condensation
06/1999
06/30/1999CN1221101A Multipurpose machine for air conditioner
06/29/1999US5916254 Method of circulating refridgerant for defrosting and refrigerator employing the same
06/23/1999CN1220380A Solar water-heater refrigerator composite machine
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