Patents
Sitemap › F25 - Refrigeration or cooling; Combined heating and refrigeration systems; Heat pump systems; Manufacture or storage of ice; Liquefaction or solidification of gases › F25B - Refrigeration machines, plants, or systems; Combined heating and refrigeration systems; Heat pump systems › F25B 29 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
Patents for F25B 29 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously (6,502)
06/1999
06/09/1999EP0921361A2 Apparatus for heating and cooling
06/02/1999EP0919410A2 Vehicle air conditioning system with expansion valve control during high pressure cycle conditions
06/02/1999CN2322096Y No air flow multi-function indoor constant temp. air conditioner
05/1999
05/26/1999EP0725919B1 Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump
05/19/1999CN1217053A Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump
05/12/1999CN2318581Y Cold and warm machine for cultivating seafood
05/11/1999US5901567 Absorption refrigerating/heating apparatus
05/06/1999WO1999022189A1 Temperature difference heat engine
05/06/1999WO1999022188A1 Temperature-difference heat engine using saturated vapour
05/06/1999EP0913282A1 Heat pump type air conditioning system for automotive vehicle
05/04/1999US5899092 Chiller
05/04/1999US5899086 Heat pump type air conditioning system for automotive vehicle
05/04/1999US5899085 For use with an engine of an aircraft
04/1999
04/21/1999CN1214440A Double effect absorption cold or hot water generating machine
04/06/1999US5891188 Fast changing heating-cooling device and method
02/1999
02/25/1999CA2301047A1 Remote control vehicle heating and cooling system
02/24/1999EP0897516A1 Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump
02/24/1999EP0739471B1 Generator-absorber heat exchange heat transfer apparatus and method using an intermediate liquor and use thereof in an absorption heat pump
01/1999
01/21/1999WO1999002401A1 Air cycle environmental control system with vapor cycle system assisted condensation
01/20/1999CN2304873Y Multifunctional thermal insulation box
12/1998
12/30/1998CN2302483Y Fast-cooling boiled water machine
12/10/1998DE19724151A1 Cooling device used as household refrigerator
11/1998
11/19/1998WO1998051980A1 System and method for channeled freeze processing of non-solid materials
11/19/1998CA2288931A1 System and method for channeled freeze processing of non-solid materials
11/18/1998CN1199454A Heat transfer apparatus
11/18/1998CN1199160A Air conditioner for combined use of cooler and heater and controlling method therefor
11/04/1998EP0763183A4 Heating and cooling systems incorporating thermal storage
10/1998
10/22/1998WO1998046959A1 Air-conditioning system and method of operating the same
10/22/1998WO1998046958A1 Air-conditioning system
10/22/1998WO1998046957A1 Air-conditioning system and method of operating the same
10/20/1998US5823006 Air conditioner and control apparatus thereof
10/07/1998CN2293780Y Oil-combustion four-function mixed cold and hot water unit
09/1998
09/08/1998US5802866 Air-cooled absorption-type air conditioning apparatus
09/03/1998WO1998038464A1 Device for modifying the temperature of a fluid
09/01/1998US5799502 To facilitate energy exchange to adjust temperature in heat operations
08/1998
08/12/1998EP0702773B1 Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump
08/12/1998CN1190175A Operation-stopping method for absorption refrigerating device
08/05/1998EP0856133A1 Method and arrangement for producing cooling power
07/1998
07/30/1998WO1998033025A1 Method and apparatus in a space study
07/29/1998EP0855562A1 Air conditioner
07/22/1998CN1188221A Absorption cold or warm air heating installation
07/21/1998US5782097 Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump
07/15/1998EP0853220A2 Absorption refrigerating/heating apparatus
07/15/1998CN1187604A Absorption refrigerating/heating apparatus
07/08/1998CN1039054C Method and apparatus for operating refrigeration system
07/01/1998EP0851190A2 Method of stopping an absorption refrigerator
06/1998
06/24/1998EP0849548A2 Absorption refrigerating/heating apparatus
06/24/1998EP0849544A1 Heat transfer apparatus
06/18/1998WO1998026238A1 Device for multistage absorption of heat and/or cold
06/16/1998US5765380 Air-conditioning apparatus using radiation heat control system and method for stable air-conditioning operation
06/10/1998EP0846923A2 Heat recovery device
06/10/1998EP0679267B1 High speed thermomechanical actuator
06/10/1998CN2283824Y Inner container device for drinking machine
06/04/1998WO1998023906A1 Heating and cooling pump
06/02/1998US5758509 Absorption heat pump and desiccant assisted air conditioning apparatus
05/1998
05/27/1998CN1182857A Method and device for cooling rooms
05/13/1998CN1181461A Negative temp. differential saturated steam engine
05/12/1998US5749244 Returning temperatures to normal without stopping or switching the operation of the refrigerator
05/06/1998CN1180790A Negative temperature eifference thermal engine
04/1998
04/15/1998EP0836059A1 Cold pump
04/15/1998CN2278905Y Refrigerating and heating box
04/10/1998CA2216264A1 "a chiller"
04/01/1998EP0832402A1 Liquid/vapor absorption system
04/01/1998EP0832401A1 Thermal-refrigerating absorption machine
04/01/1998CN1177708A Moisture-removing air-conditioner
03/1998
03/17/1998US5727616 Elastomeric heat exchanger bed
03/17/1998US5727453 Apparatus and method for thawing frozen food product
03/11/1998CN1175675A Method of circulating refrigerant for defrosting and refrigerator employing the same
03/04/1998CN2275704Y Cold/hot drink machine
03/04/1998CN2275703Y Electronic combined heating and refrigeration cup
03/04/1998CN1174963A Dehumidifying air conditioner
02/1998
02/25/1998CN2275223Y Cold and hot water drinking machine
02/24/1998US5720179 Methods and apparatus for controlling the temperatures of a plurality of rooms
02/19/1998WO1998006983A1 Air conditioner
02/11/1998CN1172931A Air-cooled absorption-type air conditioning apparatus
01/1998
01/28/1998CN2273395Y Multi-function apparatus with shower
01/28/1998CN1171527A Absorption-type refrigerator
01/27/1998US5711163 Heat pump apparatus
01/07/1998CN2272121Y Driect-combustion lithium bromide absorption cool and warm water machine
12/1997
12/30/1997US5702435 Surgical probe
12/17/1997CN2270944Y Direct-cooling or direct-heating drinking machine
12/09/1997US5695004 Air conditioning waste heat/reheat method and apparatus
12/03/1997EP0810111A2 Cooling and heating system for vehicle
12/03/1997CN2269568Y Cold and hot two purpose cabinet
11/1997
11/29/1997CA2204843A1 Cooling and heating system for vehicle
11/27/1997DE19620399A1 Method of using a heating system
11/12/1997EP0690742B1 Method and apparatus for cleaning of hot gas and extraction of energy therefrom
11/06/1997WO1997041396A1 Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump
11/06/1997CA2251351A1 Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump
10/1997
10/07/1997US5673567 Refrigeration system with heat reclaim and method of operation
09/1997
09/23/1997US5669228 System for utilizing exhaust heat of stationary induction apparatus
09/09/1997US5664426 Regenerative gas dehydrator
09/04/1997DE19607792A1 Adsorption cooling process
08/1997
08/27/1997EP0791793A2 Apparatus for heating and/or refrigerating food in general
08/27/1997CN1158158A Heating and cooling system incorporating thermal storage
08/27/1997CN1157903A Warm meal refrigerater
08/13/1997CN1156811A Heat pump system driven by engine
08/13/1997CN1156806A Absorption heat pump and desiccant assisted air conditioning apparatus
07/1997
07/16/1997CN2257912Y Hot dinner refrigerating case
07/02/1997CN2257152Y Refigerating, insulating and heating multipurpose cup
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