Patents for F24F 12 - Use of energy recovery systems in air conditioning, ventilation or screening (4,852) |
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03/17/1981 | CA1097532A1 Range ventilator |
03/10/1981 | CA1097337A1 Device for the exchange of heat between supply air and exhaust air in indoor premises |
03/05/1981 | WO1981000616A1 Heat exchanger |
03/03/1981 | CA1096854A1 Heat exchanger device |
02/17/1981 | US4250917 Air flow reverser system |
01/27/1981 | CA1094542A1 Method and device for defrosting a heat exchange without impairment of its heat exchange efficiency |
01/13/1981 | US4244422 Method and device for defrosting heat exchanger without impairment of its heat exchange efficiency |
11/04/1980 | CA1088921A1 Heat recovery system |
10/21/1980 | US4228849 Apparatus for controlling relative gas flow rates through ducts |
10/16/1980 | WO1980002190A1 Method and arrangement for heat conditioning of buildings |
10/14/1980 | US4227378 Method and device for improving the efficiency of a heat generator |
10/07/1980 | CA1087143A1 Arrangement for transferring heat from the exhaust air leaving an enclosed volume to the input air supplied to said volume |
10/02/1980 | WO1980002064A1 A heat exchanger in plants for ventilating rooms or buildings |
09/16/1980 | US4222436 Heat exchange apparatus |
09/03/1980 | EP0014863A1 Continuous heat exchanger for a gaseous fluid |
07/22/1980 | CA1081978A1 Method and device for improving the efficiency of a heat generator |
06/03/1980 | CA1078820A1 Heat and moisture transferring system |
05/28/1980 | EP0011450A1 Air flow reverser apparatus |
04/29/1980 | US4200147 Device for the exchange of heat between supply air and exhaust air in indoor premises |
01/15/1980 | US4183398 Heating and air-conditioning system |
01/08/1980 | US4182403 Arrangement for transferring heat from the exhaust air leaving an enclosed volume to the input air supplied to said volume |
11/27/1979 | US4175614 Heat exchanger device |
10/23/1979 | US4171722 Heat recovery system |
10/16/1979 | CA1064260A1 Roof device for air-conditioning |
08/28/1979 | CA1061303A1 Heat recovery apparatus |
05/29/1979 | CA1055480A1 Ventilation system with thermal energy recovery |
04/24/1979 | CA1053221A1 Vertical counterflow heat exchanger apparatus |
04/17/1979 | US4149590 Roof device for air conditioning |
04/10/1979 | CA1052371A1 Heat recuperator structure |
03/06/1979 | US4142575 Run-around type energy recovery system |
02/13/1979 | CA1048490A1 Recuperator structure |
10/31/1978 | US4122834 Ventilating, cooling and heat reclaiming apparatus for cooking equipment |
10/10/1978 | US4119142 Arrangement for transferring heat from the exhaust air leaving an enclosed volume to the input air supplied to said volume |
08/29/1978 | US4109705 Heat exchange in ventilation installation |
07/18/1978 | US4100963 Heat exchange system |
01/31/1978 | US4071080 Air conditioning system |
12/27/1977 | US4064932 All climate heat exchanger unit with adjustable temperature and defrost control |
12/06/1977 | US4061186 Combined cooling and heat recovery system |
09/20/1977 | US4049404 Ventilation system with thermal energy recovery |
09/20/1977 | US4048811 Combination of air conditioner and ventilating unit provided with total heat exchanger assembly |
08/16/1977 | US4042018 Packaging for heat exchangers |
08/09/1977 | US4040804 Water permeable paper sheet |
08/09/1977 | US4040477 Heat recovery apparatus |
07/12/1977 | US4034801 Optimum environmental control system for a building |
01/04/1977 | US4000778 Temperature-control system with rotary heat exchangers |
12/28/1976 | US3999603 Heat recuperator structure |
11/16/1976 | US3991820 Recuperator structure |
11/09/1976 | US3990506 Heat exchanger |
09/14/1976 | US3980129 Heat exchange in ventilation installation |
08/10/1976 | US3973622 Temperature-control system with rotary heat exchangers |
07/20/1976 | US3969860 Thermal efficiency structure |
07/13/1976 | US3968833 Method for heat recovery in ventilation installations |