Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24F - Air-conditioning; Air-humidification; Ventilation; Use of air currents for screening › F24F 12 - Use of energy recovery systems in air conditioning, ventilation or screening
Patents for F24F 12 - Use of energy recovery systems in air conditioning, ventilation or screening (4,852)
04/1997
04/16/1997CN2252308Y New wind device for air conditioner
04/09/1997CN2251686Y Energy-saving air-exchange window type air conditioner
04/03/1997WO1997012181A1 Device for optimising air management in a room
04/02/1997CN1146803A Contra flow heat exchanger
03/1997
03/27/1997WO1997011318A1 A method and arrangement for recovering heat including freezing prevention means involving the spreading of non-freezing liquid
03/27/1997DE19534843A1 Roller shutter winding unit
03/27/1997DE19534842A1 Ventilation device for changing air in room
03/27/1997CA2232718A1 A method and arrangement for recovering heat including freezing prevention means involving the spreading of non-freezing liquid
03/20/1997WO1997010476A1 Plate-type crossflow air-to-air heat exchanger having dual pass cooling
02/1997
02/20/1997WO1997006390A1 Combined air exchange and air-conditioning unit
02/09/1997CA2155628A1 Combined air exchange and air conditioning unit
01/1997
01/30/1997WO1997003324A1 Air ventilation system with rotating heat/energy recovery core
01/15/1997CN2245190Y Water side heat pump set
12/1996
12/19/1996WO1996041107A1 Dessicant assisted dehumidification and cooling system
12/12/1996WO1996039603A1 Method of operating hybrid air-conditioning system
12/11/1996CN2242414Y Strong confection type temp.-preserving ventilation machine
12/03/1996US5579647 Desiccant assisted dehumidification and cooling system
11/1996
11/27/1996CN2241296Y High-efficiency calandria cold storage
11/12/1996US5573058 Air-conditioning installation for room spaces
11/07/1996WO1996035083A1 Heat exchange unit and methods
11/06/1996EP0740762A1 Temperature control of ventilation air
10/1996
10/17/1996WO1996032611A1 Heating unit
10/15/1996US5564281 Method of operating hybrid air-conditioning system with fast condensing start-up
10/10/1996WO1996031740A1 System for balanced regulation of indoor temperature
10/02/1996EP0735330A1 Room ventilation device
10/02/1996CN2236626Y Air conditioner with water heater
09/1996
09/25/1996CN2236102Y Air conditioner with air-changing and energy-source recovering functions
09/25/1996CN2236101Y Air conditioner with air-changing and heat-vecorering functions
09/12/1996WO1996027767A1 Arrangement in connection with an air conditioning unit comprising heat recovery means and means for introducing additional heating and cooling
09/12/1996DE19508252A1 Ventilation and heat recovery system for room air conditioner
09/12/1996CA2214409A1 Arrangement in connection with an air conditioning unit comprising heat recovery means and means for introducing additional heating and cooling
09/03/1996US5551245 For controlling the condition of air in a building enclosed space
08/1996
08/28/1996EP0728281A1 Heat recovery apparatus for air heating and exchanging system
08/28/1996CN2234066Y Air conditioner water heater
08/21/1996CN2233535Y Insulating scavenger fan for use in winter
08/14/1996CN2233057Y Energy saving device used for small air conditioner
08/13/1996CA2093501C Combined cycle air/air heat pump
08/01/1996WO1996023185A1 Hybrid air-conditioning system and operating method
07/1996
07/25/1996WO1996022497A1 Plate heat exchanger with wetting device
07/18/1996DE19500527A1 Air conditioner for room
07/03/1996CN2230424Y Solar water-heating air conditioner
06/1996
06/26/1996EP0670030A4 Elastomer bed.
06/26/1996CN2230020Y Device for forced intaking of air for air conditioner
06/24/1996CA2139020A1 Heat transfer method using a secondary fluid
05/1996
05/22/1996EP0712479A1 Arrangement for cooling supply air in an air-conditioning installation
05/22/1996EP0612394B1 Air-conditioning installation for room spaces
05/22/1996CN1122897A Domestic heat equilibrium ventilator
05/21/1996US5517828 Hybrid air-conditioning system and method of operating the same
05/21/1996CA2110339C Rooftop air conditioning unit and method of modification
05/02/1996DE4441066A1 Procedure for cooling of air flow
04/1996
04/25/1996WO1996012145A1 An improved heat exchange ventilator
04/17/1996EP0706630A1 Method and arrangement for controlling heat transfer in ventilation apparatus or air conditioning apparatus
04/04/1996DE4435064A1 Air guide for ventilating buildings with heat recovery equipment
03/1996
03/27/1996EP0575578B1 Ventilation device
03/13/1996CN1031294C Heat exchanger
03/12/1996US5497823 Energy recovery ventilator: means for defrosting heat exchanger medium and damper motor actuation means
03/12/1996CA2099974C Self-regulating air ventilation apparatus
03/07/1996DE4430704A1 Microprocessor-based regulator for room or building air ventilation control
02/1996
02/22/1996WO1996005473A1 Heating, cooling and ventilating system, and room atmosphere conditioning unit for such a system
02/21/1996CN2220610Y High-efficient full-heat exchange air interchanger
02/14/1996CN2220036Y Water-cooled machine for air conditioner
02/13/1996US5490557 Housing for a heat recovery ventilator with fans hingedly mounted to housing
01/1996
01/03/1996CN2216655Y Refrigeration hot water-supply apparatus
12/1995
12/27/1995CN1114040A Air energy heat circulation exchanger
12/20/1995EP0547192B1 Energy and space saving single-unit air conditioner for processing room air, with integrable heat recovery
12/14/1995WO1995033960A1 Air cooling apparatus
12/13/1995EP0550711B1 Heat recovery unit for use in air conditioners
11/1995
11/30/1995WO1995032398A1 Frost protection device for heat recovery plants
11/15/1995CN2212741Y Multifunctional air-condition scavenger fan
11/15/1995CN2212740Y Cold-hot water apparatus
11/14/1995US5467329 Optical disc playback apparatus and method which utilizes single RAM for data decoding and TOC processing
11/14/1995US5465781 Elastomer bed
11/09/1995WO1995025935A3 Air cooling system with recirculating condensate
10/1995
10/26/1995WO1995028609A1 Desiccant assisted multi-use air pre-conditioner unit with system heat recovery capability
10/24/1995US5460222 Air renewal device
10/18/1995CN1110394A Application of air energy 8 shaped circulating air conditioner-differential cold valley pipe
10/17/1995US5458187 Dual core air-to-air heat exchanger
10/12/1995WO1995027177A1 Air conditioner for 8 form cycle of air energy - application of differential cold valley tube
10/05/1995WO1996026408A1 Contra flow heat exchanger
09/1995
09/28/1995WO1995025935A2 Air cooling system with recirculating condensate
09/28/1995DE4410434A1 Heat exchanger for heating and ventilating systems
09/14/1995DE4408087A1 Variable control heat exchanger
09/13/1995CN2207541Y Domestic calorific balance air interchanger
09/12/1995US5448897 Booster heat pipe for air-conditioning systems
09/12/1995US5448895 Hybrid heat pump and desiccant space conditioning system and control method
09/08/1995WO1995022726A3 Climate aggregate air/heat/cool
09/06/1995EP0670030A1 Elastomer bed
09/06/1995CN2206921Y Heating dry box
08/1995
08/24/1995WO1995022726A2 Climate aggregate air/heat/cool
08/24/1995DE4440436A1 Ventilation fan assembly
08/22/1995US5443112 Water flow and heat exchange control system and method between heat source and water reservoir
08/17/1995DE4404477A1 Combined ventilating, heating and cooling of building
08/16/1995CN2205520Y Energy saving air conditioner
08/16/1995CN2205519Y Insulation two-way air exchanger
08/15/1995US5441103 Two-phase flow heat exchange
08/10/1995WO1995021357A1 Temperature control of ventilation air
08/10/1995DE4412844A1 Air conditioning unit
08/09/1995CN2204963Y Multifunctional air conditioner
07/1995
07/26/1995EP0462199B1 Air conditioning unit
07/25/1995US5435377 Ventilator with air-to-air heat exchanger and pressure responsive damper
1 ... 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49