| Patents for F25B 15 - Sorption machines, plant, or systems, operating continuously, e.g. absorption type (4,771) |
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| 08/28/1991 | CN2083729U Coal burning refrigerator |
| 08/22/1991 | WO1991012474A1 Process and installation for converting waste heat into useful energy |
| 08/22/1991 | WO1991012472A1 Heat transfer apparatus for heat pumps |
| 08/22/1991 | WO1991012471A1 Energy recovery system for absorption heat pumps |
| 08/22/1991 | WO1991012470A1 Absorption refrigeration and heat pump system with defrost |
| 08/20/1991 | US5041076 Rotary inertial thermodynamic multi-stage mass-flow divider |
| 08/13/1991 | US5038574 Combined mechanical refrigeration and absorption refrigeration method and apparatus |
| 08/08/1991 | WO1991011237A1 Thermal processes for evaporating, condensing and absorbing and combination of said processes |
| 08/08/1991 | DE4003446A1 Producing cold and power from heat-pump - operated with binary fluids to utilise low-grade available heat |
| 08/03/1991 | CA2021876A1 Method for the thermal separation of liquid mixtures |
| 07/23/1991 | US5033274 Rectification reflux by latent heat exchange with partially depressurized absorbent |
| 07/17/1991 | EP0436589A1 Method of freezing and separation |
| 07/17/1991 | CN2081064U Adsorption type thermal energy refrigerating cabinet |
| 07/03/1991 | CN2080281U 电加热器 Electric heaters |
| 07/02/1991 | US5027616 Air-cooled absorption type cooling and heating apparatus |
| 07/02/1991 | CA1285398C2 Absorption refrigeration and heat pump system |
| 06/18/1991 | US5024063 Branched gax absorption vapor compressor |
| 06/13/1991 | WO1991008426A1 Rectification reflux by latent heat exchange with partially depressurized absorbent |
| 06/12/1991 | CN1052182A Refrigeration of definite space with solar energy or other heat sources |
| 05/29/1991 | CN1051784A Refrigerator with honeycomb briquet stove as energy source |
| 05/21/1991 | US5016448 Internal heat exchanger for an absorption apparatus |
| 05/21/1991 | US5016445 Absorption apparatus, method for producing a refrigerant effect, and an absorbent-refrigerant solution |
| 05/21/1991 | US5016444 One-and-a-half effect absorption cycle |
| 05/15/1991 | CN2077098U Temp.-control electrothermal membrane diffuse-absorbed refrigerator |
| 05/02/1991 | DE4031955A1 Low-temp. cooling of tubular electric conductors of induction coils - with conductor acting as evaporator tube, for particle accelerators, magnetic tomography, and induction heating, uses waste-heat |
| 04/23/1991 | US5009086 Passive refrigeration fluids condition |
| 04/23/1991 | US5009085 Heat pumps |
| 04/23/1991 | US5009071 Process for adsorption cooling/conditioning by means of low-temperature heat |
| 04/23/1991 | CA1283298C Multi-staged turbine system with bypassable bottom stage |
| 04/16/1991 | US5007251 Installation for air-conditioning by absorption |
| 04/16/1991 | CA1282969C Absorbtion type refrigeration system with thermal energy recovery, particularly for vehicles provided with an internal combustion engine |
| 04/10/1991 | CN1050603A Water cooling system for lithium bromide absorbing style refrigerator |
| 04/09/1991 | CA1282604C Heat pump system and a method of operating same |
| 04/03/1991 | EP0419606A1 Expeller with a gas-bubble pump. |
| 03/26/1991 | US5001904 Fan cooled absorption refrigerating apparatus |
| 03/13/1991 | EP0382754A4 Absorption heat pumped cogeneration engine |
| 03/12/1991 | CA1281192C Absorption refrigeration and heat pump system |
| 01/29/1991 | CA1279490C Triple effect absorption chiller utilizing two refrigeration circuits |
| 01/29/1991 | CA1279481C Process and apparatus for cooling a fluid |
| 01/24/1991 | WO1991000760A1 Process and apparatus for cooling a fluid |
| 01/22/1991 | US4986079 Apparatus and method of generating coldness |
| 01/17/1991 | DE4003120C1 Liq. mixture thermal separation method - heating re-concentrating solvent stream and mixture stream before combining at end for supply |
| 01/03/1991 | DE3920398A1 Verfahren zur reduzierung der auf tanklagern, tankwagen-fuellstellen und schiffen anfallenden kohlenwasserstoff-emissionen und anlage zur durchfuehrung des verfahrens A method for reducing the tax due on tank farms, tankers filling stations and ships hydrocarbon emissions and plant for carrying out the method |
| 12/12/1990 | EP0203961A4 Absorption refrigeration and heat pump system |
| 11/27/1990 | US4972679 Absorption refrigeration and heat pump system with defrost |
| 11/14/1990 | EP0397482A2 Absorption refrigeration method and apparatus |
| 11/06/1990 | US4967566 Process and apparatus to improve the power factor of compressor-operated (hybrid) refrigerators or heat pumps functioning with solution cycle |
| 11/01/1990 | WO1990012848A1 Improved aqueous absorption fluids |
| 10/30/1990 | US4966007 Absorption refrigeration method and apparatus |
| 10/30/1990 | CA1275575C Systems which use an absorption refrigeration cycle |
| 10/03/1990 | CN1045860A Practical model of natural type family refrigerator |
| 10/01/1990 | WO1990012262A1 Double effect air conditioning system |
| 10/01/1990 | CA2049308A1 Double effect air conditioning system |
| 09/25/1990 | US4959088 Method of producing nitric acid and refrigeration |
| 09/20/1990 | WO1990010836A1 Evaporator for a diffusion-absorption plant |
| 09/20/1990 | WO1990010834A1 Expeller with a gas-bubble pump |
| 09/20/1990 | WO1990010833A1 Reservoir for a diffusion-absorption plant |
| 08/29/1990 | CN2061260U Pyroelectric adsorbed type refrigeration device |
| 08/23/1990 | DE3905104A1 Liquid pump |
| 08/22/1990 | EP0382754A1 Absorption heat pumped cogeneration engine |
| 08/14/1990 | CA1272609A1 Heat pumps |
| 07/17/1990 | US4941329 Double effect air-cooled absorption refrigerating machine |
| 07/03/1990 | US4938028 Refrigerant solution flow control |
| 06/27/1990 | EP0374179A1 Intermittent solar ammonia absorption cycle refrigerator. |
| 06/26/1990 | CA1270710A1 Chemical heat pump utilizing clathrate formation reaction |
| 05/23/1990 | EP0314719B1 Binary compression heat pump with solution circuit |
| 05/23/1990 | DE3838849A1 Drying apparatus for compressed air |
| 05/23/1990 | CN1008132B Absorption chilled and hot water apparatus |
| 05/22/1990 | US4926659 Double effect air conditioning system |
| 05/09/1990 | EP0366776A1 Osmotic thermal engine |
| 05/08/1990 | US4922730 Absorption refrigerating unit |
| 05/02/1990 | EP0366633A2 Fan cooled absorption refrigerating apparatus |
| 05/01/1990 | US4921515 Advanced regenerative absorption refrigeration cycles |
| 04/25/1990 | EP0364908A2 Use of a hygroscopic diluted solution of salt for adsorption cooling/air conditioning with low temperature heat |
| 04/24/1990 | US4918945 Binary solution compressive heat pump with solution circuit |
| 04/10/1990 | US4914919 Arrangement for preventing freezing of the working medium in an absorption refrigerating apparatus |
| 04/05/1990 | WO1990003208A1 Method of freezing and separation |
| 04/03/1990 | US4912934 Forming corrosion resistance film, of molybfrnum-oxides and iron oxides on inside wall |
| 03/29/1990 | DE3931725A1 Energiesparende kuehlvorrichtung Energy saving kuehlvorrichtung |
| 02/28/1990 | CN1040090A Elastic extention refrigeration material |
| 02/20/1990 | US4902207 Energy recovery apparatus |
| 02/14/1990 | EP0354749A2 Air-cooled absorption Air-conditioner |
| 02/14/1990 | CN2052878U Refrigerator without compressor |
| 02/07/1990 | CN2052511U Methane refrigerator |
| 01/24/1990 | CN2051721U Multi-functional gas cooker |
| 01/23/1990 | US4895003 Absorber-type heat pump |
| 01/23/1990 | US4894998 Absorption system hot and cold water supply apparatus |
| 01/17/1990 | CN1038874A Process and apparatus for cooling fluid |
| 01/02/1990 | US4890463 Absorption-type refrigeration system with thermal energy recovery, particularly for vehicles provided with an internal combustion engine |
| 12/20/1989 | CN2049744U Induction heating and refrigerating apparatus |
| 12/13/1989 | CN1037960A 索式物位计 Cable Level Meter |
| 11/16/1989 | WO1989011071A1 Osmotic thermal engine |
| 10/31/1989 | US4877080 Process and apparatus for cooling a fluid |
| 10/24/1989 | US4875915 Heat exchange |
| 10/10/1989 | US4872319 Air-cooled absorption type cooling/heating water generating apparatus |
| 09/06/1989 | EP0331427A1 System for low temperature refrigeration and chill storage using ammoniated complex compounds |
| 09/05/1989 | US4862708 Osmotic thermal engine |
| 08/29/1989 | US4860553 Appliance leveling apparatus |
| 08/15/1989 | US4857222 Absorption type refrigerator and absorbing solution therefor |
| 08/09/1989 | EP0327230A2 Heat pumps |