Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24F - Air-conditioning; Air-humidification; Ventilation; Use of air currents for screening › F24F 11 - Control or safety systems or apparatus
Patents for F24F 11 - Control or safety systems or apparatus (29,222)
11/1977
11/01/1977US4056048 Emergency ventilation means for confined livestock areas
11/01/1977US4055954 Damper actuator for a ventilation system
09/1977
09/20/1977US4049044 Heating and cooling system consumption meter
09/13/1977US4047662 Terminal unit for the outlet of conditioned air in a centralized conditioning system
09/13/1977US4047475 Ventilating damper assembly
09/06/1977US4046532 Refrigeration load shedding control device
09/06/1977US4045973 Air conditioner control
09/06/1977US4045961 Control of freezing in air-cooled steam condensers
08/1977
08/30/1977US4044823 Method and apparatus for controlling air-conditioning systems
08/23/1977US4043256 Animal enclosure with pressure controlled ventilation inlet and deflection means
08/16/1977US4042173 Method and apparatus for controlling volume air flow
08/16/1977US4042013 Method and apparatus for controlling air-conditioning systems
08/16/1977US4041723 Room air conditioner with timer
08/09/1977US4040564 System powered damper and control unit
08/02/1977US4039126 Thermostatic regulating means for an air-conditioning plant
08/02/1977US4039124 Dual duct variable volume air conditioning system
07/1977
07/26/1977US4038061 Air conditioner control
07/26/1977US4037783 Reduced outside air capability for unit ventilators
07/26/1977US4037651 Temperature control apparatus of air conditioner for automobiles
07/12/1977USRE29302 Bag diaphragms and bag diaphragm operated air dampers
07/12/1977US4035796 Device for reducing undesired energy consumption in a room provided with heating and/or air conditioning means
07/12/1977US4034801 Optimum environmental control system for a building
07/12/1977US4034570 Air conditioner control
07/05/1977US4033740 Combined environmental control and fire protection system
06/1977
06/28/1977USRE29280 Air distribution regulator apparatus
06/28/1977US4031951 Air climatizing device
06/21/1977US4030518 Air flow control apparatus
05/1977
05/31/1977US4026321 Electronic control for constant and variable volume central heating and air-conditioning systems
05/24/1977US4024728 Method of and an installation for controlling the temperature of a plurality of rooms having mutually differing and varying heating requirements, among which rooms there is normally a cooling requirement
05/24/1977US4024725 Control system for an air conditioner
05/10/1977US4022598 Air conditioning
05/10/1977US4022117 Pressure stabilizing assembly
05/03/1977US4021615 Apparatus for conserving energy in a building
04/1977
04/26/1977US4019566 Air conditioning system
04/19/1977US4018584 Air conditioning system having latent and sensible cooling capability
04/19/1977US4018268 Induction air-conditioning apparatus
04/19/1977US4018266 Building fresh air ventilator system
04/19/1977US4018160 Air conditioning terminal
04/12/1977US4017026 Automatic damper
04/12/1977US4017025 Variable volume control box and system incorporating same
03/1977
03/29/1977US4014381 Air conditioning system
03/22/1977US4013217 Double induction air conditioning with fluidic control
03/22/1977US4013118 Control of heating and cooling available from central sources to a multi-zone temperature controlled space
03/15/1977US4011903 Damper for heating/cooling system
03/15/1977US4011735 Blower system and control system therefor
03/08/1977US4010624 Air conditioning system
03/01/1977US4009825 Control for forced air heating or cooling system
03/01/1977US4009591 Single evaporator, single fan combination refrigerator with independent temperature controls
03/01/1977US4009590 Single evaporator, single fan combination refrigrator with independent temperature controls
03/01/1977US4009589 Single evaporator, single fan combination refrigerator with independent temperature controls and method of adjustment
02/1977
02/15/1977US4007873 Pneumatic thermostat
02/15/1977US4007780 Heat exchange system and method and control device therefor
02/15/1977US4007779 Heat exchange system and method and control device therefor having motion feedback means
02/15/1977US4007778 Heat exchange system and method and control device therefor having motion feedback means
02/15/1977US4007775 Heat exchange system and method and control device therefor having motion feedback means
02/15/1977US4007603 Apparatus for defrosting of an evaporator in a heat pump
02/01/1977US4005821 Thermomechanical vacuum regulator using bimetallic position sensing
01/1977
01/11/1977US4002110 Automatic obturator for a gasodynamic ventilation device
01/04/1977US4000663 Damper actuator
12/1976
12/28/1976US3999707 Air inlet means for air conditioning installations or the like
12/28/1976US3999706 Humidity and temperature responsive device and method of making the same
12/21/1976US3998267 Temperature control system
12/21/1976US3998068 Fan delay humidistat
12/14/1976US3996998 Combination furnace--heat pump unit
12/14/1976US3996961 Flow regulator for air ducting
11/1976
11/30/1976US3994434 Variable volume air damper control having a damped actuator
11/23/1976US3993096 Damper construction
11/09/1976US3990356 Method of and apparatus for controlling the inlet openings of central ventilation installations
11/02/1976US3989187 Air-conditioning system apparatus
11/02/1976US3989097 Dehumidification controls
10/1976
10/05/1976US3984699 Sequence controller
10/05/1976US3983930 Temperature control system and multifunctional servomotor therefor
09/1976
09/28/1976US3982583 Optimized air conditioning system
09/28/1976US3982560 Ventilating apparatus for heat transfer systems
09/21/1976US3981326 Induction mixing nozzle
09/14/1976US3980007 Air conditioning terminal
09/14/1976US3979922 Energy conservation air conditioning system
09/07/1976US3979060 Automatic multiple unit control apparatus
08/1976
08/31/1976USRE28946 Blower system and control system therefor
08/31/1976US3978387 Analog signal comparator
08/24/1976US3976245 Automatic, temperature responsive damper assembly
08/24/1976US3976244 Adjustable air volume regulator having thermal motor actuator for effecting adjustment
08/17/1976US3974859 Air distribution regulator apparatus
08/10/1976US3973619 Heat exchange system and method and control device therefor having motion feedback means
08/10/1976US3973618 Electronic capacity control or direct expansion refrigeration of air conditioning systems
08/10/1976US3973590 Mixing valve for air distributing systems
07/1976
07/27/1976US3971396 Pneumatic relay
07/20/1976US3970246 Air conditioning control system
07/06/1976US3967779 Air mixing valve having a thermal motor actuator for effecting adjustment
07/06/1976US3967642 Air volume regulator for air conditioning systems
07/06/1976US3967545 Controlling the supply of electric current to a room
06/1976
06/29/1976US3965928 Flow regulator for ducts
06/22/1976US3964676 Electronic morning start-up control for a building temperature control system
06/08/1976US3961748 Air distribution regulator apparatus
05/1976
05/25/1976US3958628 Vertical blower coil unit for heating and cooling
05/25/1976US3958605 Automatic controlling device for maintaining a constant rate of air flow in air-conditioning equipment
04/1976
04/27/1976US3952796 Temperature control system
04/27/1976US3952795 Air conditioning system
04/13/1976US3950155 Automatic air-purifying system
04/13/1976US3949810 Air conditioning system
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