| Patents for F24F 12 - Use of energy recovery systems in air conditioning, ventilation or screening (4,852) |
|---|
| 11/03/1992 | CA2067956A1 Passive heat pump with non-azeotropic refrigerant |
| 10/13/1992 | WO1992018814A1 Energy-efficient ventilation system |
| 10/13/1992 | CA2108285A1 Energy-efficient ventilation system |
| 10/08/1992 | DE4040399A1 Air replacement ventilation system for rooms - includes fresh air artificial breather with the capability of extracting heat from exhaust air |
| 08/20/1992 | DE4104423A1 Room ventilation installation with waste heat recovery - uses electronic switch controlling rotation of fan and heat storage battery |
| 07/01/1992 | EP0492810A2 Dehumidification unit |
| 07/01/1992 | EP0491741A1 Heat exchange apparatus. |
| 06/25/1992 | WO1992011494A1 Two-phase flow heat exchange |
| 06/25/1992 | CA2101771A1 Two-phase flow heat exchange |
| 06/23/1992 | US5123595 Method and apparatus for heating and ventilating a poultry house |
| 06/16/1992 | CA1303604C Independent heat exchange unit between primary and secondary fluids, namely air for room ventilating and air conditionning |
| 06/09/1992 | US5119987 Ventilating apparatus |
| 06/02/1992 | US5117655 Heat exchanger |
| 05/26/1992 | CA1301739C Heat echanger defrost control |
| 03/18/1992 | CN2099284U Multiple energy source air-condition water heater |
| 01/16/1992 | DE4120794A1 Energy absorption from waste air - uses heat exchanger and heat pump to supply evaporator |
| 01/07/1992 | US5078208 Isolating heat exchanger |
| 12/27/1991 | EP0462199A1 Air conditioning unit. |
| 12/10/1991 | US5070934 Ventilation device with heat recovery |
| 11/28/1991 | DE4108928A1 Air distributor-ceiling suspension module heat exchanger - is composed of sinusoidal plastics stiff or semi-stiff parts joined by H-shaped elastic connectors |
| 11/16/1991 | CA2041768A1 Air ventilation and heat exchange apparatus |
| 10/30/1991 | EP0371082B1 Method and apparatus for the control of air flows and pressures in air-conditioning |
| 10/08/1991 | CA1290320C Air to air heat exchanger |
| 09/24/1991 | US5050667 Air ventilation and heat exchange apparatus |
| 09/19/1991 | DE4007963A1 Inflatable plastic sheet structure conditioning cattle shed atmos. - has intermeshed internal polyethylene compartments tensioned by cables |
| 08/21/1991 | CN1013617B Air conditioning means and method |
| 08/06/1991 | US5036906 Independent unit for heat exchange between a primary fluid and a secondary fluid, particularly air for ventilation and air conditioning of a room |
| 08/01/1991 | DE4002560A1 Air conditioner for single room - has two part housing of which one contains two fans and heat exchanger |
| 07/24/1991 | CN1013266B Warming-air cooling apparatus for the cabin of transportation |
| 07/23/1991 | US5033537 Heat exchanger with flow passages which deform in operation towards equalization |
| 07/02/1991 | CA1285420C System for providing energy supply required for a room of a building |
| 06/25/1991 | CA1285170C Method for arranging of ventilation of building and structure for applying of the method |
| 06/18/1991 | US5024263 Method and apparatus for the control of air flows and pressures in air-conditioning |
| 06/13/1991 | WO1991008425A1 Heat recovering ventilator |
| 06/12/1991 | EP0430990A1 Apparatus for shifting the flow paths of two fluids and an air-conditioning system |
| 05/29/1991 | EP0428948A2 Process for energy recovery in ventilation |
| 05/15/1991 | EP0427112A1 Process and apparatus for producing the gaseous phase of a gas volume stored in its liquid phase |
| 05/10/1991 | CA2028470A1 Air-to-air heat exchanger |
| 03/26/1991 | US5002118 Heat recovery system |
| 03/26/1991 | US5002116 Rotary heat regenerator |
| 03/20/1991 | EP0230419B1 A method of ventilation |
| 03/19/1991 | US5000253 Ventilating heat recovery system |
| 03/07/1991 | WO1991002928A1 Heat exchange apparatus |
| 02/27/1991 | EP0414231A2 Control device for heat collection type ventilation equipment |
| 02/26/1991 | CA1280744C Air - to - air heat exchanger |
| 02/19/1991 | US4993484 Air to air heat exchanger |
| 01/08/1991 | CA1278684C Method and apparatus for heating a large building |
| 01/03/1991 | DE3920759A1 Automatic room ventilation system - is operated by differences between outside and inside temps. |
| 12/27/1990 | WO1990015958A1 Evaporative air-cooling apparatus |
| 11/20/1990 | US4971245 Heater-cooler of a vehicle cab |
| 11/20/1990 | US4971139 Heat tube device |
| 11/20/1990 | US4971137 Air-to-air heat exchanger with frost preventing means |
| 11/06/1990 | US4967726 Space heating and ventilation systems for buildings |
| 10/31/1990 | CN1046598A Heat exchanger |
| 10/25/1990 | DE3913076A1 Baking room arrangement and system for ventilation - in which air is withdrawn from extract hood above baking oven, while vertical flow or fresh air is in dough prepn. |
| 10/24/1990 | EP0393937A2 Heat exchanger |
| 10/11/1990 | DE3910988A1 Method for controlling heat pumps |
| 09/25/1990 | CA1274391A1 Heat recirculation apparatus and method |
| 09/20/1990 | WO1990010828A1 Air conditioning unit |
| 09/11/1990 | US4955285 System for covering the energy requirement of a room |
| 08/21/1990 | US4949780 Air circulating apparatus |
| 07/03/1990 | US4938035 Regenerative fresh-air air conditioning system and method |
| 06/06/1990 | EP0371082A1 Method and apparatus for the control of air flows and pressures in air-conditioning. |
| 06/05/1990 | US4930571 Heat recovery apparatus |
| 05/31/1990 | WO1990005880A1 Ventilation apparatus |
| 05/29/1990 | US4928749 Heat exchange recovery method |
| 05/22/1990 | US4926657 Heat pipe assisted evaporative cooler |
| 05/16/1990 | EP0368477A1 Air conditioning unit |
| 05/10/1990 | DE3838055A1 Device for air-conditioned ventilation of spaces |
| 05/08/1990 | CA1268756A1 Valve assembly for air treatment apparatus |
| 05/08/1990 | CA1268636A1 Air conditioning means and method |
| 05/03/1990 | WO1990004743A1 Community thermal energy exchange system |
| 05/02/1990 | EP0366642A2 A device for an energy-saving heat recuperation from a fluid |
| 04/19/1990 | WO1990004138A1 Method and device for conditioning supply air |
| 04/12/1990 | DE3834440A1 Device with heat recovery system for aerating and deaerating rooms with excess heat |
| 04/11/1990 | EP0363340A2 Method and device for conditioning supply air |
| 03/27/1990 | US4910971 Indirect air conditioning system |
| 03/27/1990 | CA1267136A1 Air to air heat exchanger |
| 03/20/1990 | US4909307 Regenerative bed heat exchanger |
| 03/14/1990 | CN1007175B Method and equipment for controlling air condition in hothouse |
| 03/06/1990 | US4905579 Radon gas ventilation pump system and method |
| 02/22/1990 | WO1990001667A1 Apparatus for shifting the flow paths of two fluids and an air-conditioning system |
| 02/20/1990 | US4901919 Air conditioning indirect heating and recuperative ventilation system |
| 02/06/1990 | CA1265434A1 Oil, or air to oil to air to/air heat exchanger |
| 01/30/1990 | US4896716 Heat pipe type heat-exchanger for the ventilation |
| 01/10/1990 | EP0241461B1 A ventilated floor |
| 12/07/1989 | DE3828011A1 Ventilating device for simultaneous aeration and deaeration of spaces |
| 12/06/1989 | EP0344492A2 Ventilating device for the simultaneous aeration and dearation of spaces |
| 12/06/1989 | EP0344457A2 Operating device for an electrical relay in a power line switch |
| 11/29/1989 | EP0343938A1 Space heating & ventilating systems for buildings |
| 10/11/1989 | EP0335973A1 Heater/air-cooler for cabin of transport means |
| 10/10/1989 | US4872503 Air heat exchanger |
| 09/26/1989 | CA1260755A1 Exhaust air heat exchanger |
| 09/19/1989 | US4867231 Air to air heat exchange structure and method |
| 08/10/1989 | DE3802583A1 Ventilating apparatus for windows and/or French windows for the recuperative ventilating and venting of lounges (recreation rooms) |
| 07/11/1989 | US4846261 Vacuum heat exchange apparatus for ventilation of buildings, in particularly of animal sheds |
| 07/04/1989 | CA1256737A1 Energy recovery ventilator |
| 06/29/1989 | WO1989005947A1 Method and apparatus for the control of air flows and pressures in air-conditioning |
| 05/09/1989 | US4827733 Indirect evaporative cooling system |
| 05/03/1989 | EP0313621A1 Ventilation means and ventilation procedure. |