Patents for F24F 11 - Control or safety systems or apparatus (29,222)
05/1979
05/15/1979CA1054428A1 Animal enclosure with pressure controlled ventilation inlet and deflection means
05/01/1979US4151952 Automatic air register
04/1979
04/24/1979CA1053062B Air flow control device
04/17/1979US4149590 Roof device for air conditioning
04/10/1979US4148435 Induction air mixing box control
04/10/1979CA1052227A1 Thermomechanical vacuum regulator using bimetallic position sensing
04/10/1979CA1052169A1 Variable constant volume regulator
04/04/1979EP0001378A2 Energy conservative control of terminal reheat heating, ventilating, and air conditioning (HVAC) systems
04/04/1979EP0001377A1 Apparatus and method for energy saving control of heating, ventilating and airconditioning (HVAC) systems
04/03/1979US4147182 Control valve, in particular two- or three-way valve for heat exchangers and the like
03/1979
03/27/1979US4146086 Furnace blower speed control
03/20/1979US4144930 Timer for heat-cool room air conditioner
03/13/1979US4143813 Air conditioning control and method of operation
03/13/1979US4143706 Climate control for a motor vehicle compartment
03/06/1979US4142574 Optimized air conditioning system
03/06/1979US4142375 Control apparatus for air conditioning unit
02/1979
02/27/1979US4141497 Sensing and setting device for a regulator arrangement comprising a plurality of thermostatically actuated valves
02/27/1979US4141496 Pneumatic thermostat
02/20/1979US4140436 Pressure control device for fluid systems
02/20/1979US4140151 Vacuum relief door assembly
02/06/1979CA1047825A1 Apparatus for limiting the outgoing air flow in natural ventilation systems
01/1979
01/30/1979US4136822 Apparatus and methods for controlling fan operation
01/30/1979US4136732 Method and apparatus for controlling air-conditioning systems
01/30/1979US4136730 Heating and cooling efficiency control
01/30/1979CA1047335A1 Pneumatic relay
01/23/1979CA1046782A1 Room heating devices with heat pumps
01/16/1979US4134542 Thermopneumatic actuator
01/09/1979CA1045883A1 Fluidic flow sensing and control apparatus
01/02/1979US4132355 Electronic temperature control system
01/02/1979US4132086 Temperature control system for refrigeration apparatus
01/02/1979CA1045397A1 Single evaporator, single fan combination refrigerator with independent temperature controls
01/02/1979CA1045396A1 Single evaporator, single fan combination refrigerator with independent temperature controls and method of adjustment
12/1978
12/20/1978EP0000046A1 Lever operated device for a vehicle's climatisation.
12/19/1978US4130132 Constant volume regulator with adjustable load means
11/1978
11/28/1978CA1043446A1 Building heating and cooling system
11/28/1978CA1043116A1 Compressor refrigeration plant
11/21/1978US4126269 Ventilated enclosure
11/21/1978CA1042755A1 Valve assembly for use in an air distribution system
11/14/1978US4125151 Package heat exchanger system for heating and cooling
11/14/1978US4124998 Air conditioning systems for buildings
11/07/1978US4124037 Fluid flow regulator
10/1978
10/31/1978US4123001 Automatic ventilator
10/31/1978US4122892 Devices for heating premises by the use of heat pumps and method therefor
10/24/1978US4121762 Automatic fluid flow regulator
10/24/1978US4121655 Air-conditioning system
10/17/1978US4121199 Sentinel system for grease extracting ventilators
10/17/1978US4120453 Air distribution unit
10/17/1978CA1040446A1 Single evaporator, single fan combination refrigerator with independent temperature controls
10/10/1978CA1040001A1 Ventilation system for livestock housing
09/1978
09/26/1978US4116213 Air pressure control apparatus for a hot or cold storage chamber
09/19/1978US4114807 Control system
09/19/1978US4114806 Thermostatically actuated regulator for a 4-lead air conditioning plant
09/19/1978US4114682 Apparatus for heating, cooling or air-conditioning a room
09/12/1978US4113176 Air-conditioning
09/12/1978US4112703 Refrigeration control system
09/05/1978US4112338 Wiring arrangement for blower motors of an air conditioner
09/05/1978US4111048 Fluid parameter sensing apparatus
09/05/1978CA1037883A1 Vacuum cleaner hose assembly and apparatus and method used in making same
08/1978
08/29/1978US4110827 Load cycling with space temperature feedback
08/29/1978US4109482 Fan control circuit for air conditioner
08/29/1978CA1037588A1 Safety control for a remote control system
08/22/1978US4108376 Heater unit for air-conditioner in automobile vehicle
08/22/1978US4108371 Damper control device
08/22/1978US4107941 Environmental control system
08/08/1978US4105064 Two stage compressor heating
08/08/1978US4105063 Space air conditioning control system and apparatus
08/08/1978US4104888 Defrost control for heat pumps
08/01/1978US4103599 Method and means for improved air distribution
08/01/1978US4103508 Method and apparatus for conditioning air
07/1978
07/25/1978US4102494 Air distribution system
07/25/1978US4102357 Variable flow outlet valves
07/25/1978US4102150 Control system for refrigeration apparatus
07/18/1978US4101886 Apparatus for conserving energy in electrical appliances
07/11/1978US4099553 Variable air volume system
06/1978
06/27/1978US4096708 Compressor refrigeration plant
06/13/1978US4094336 Back draft for exhaust fans and hoods
06/13/1978US4094166 Air conditioning control system
05/1978
05/30/1978US4091993 Time variable thermostat
05/30/1978US4091866 Combination door lock and electrical switch
05/23/1978US4090434 Variable induction apparatus with a primary fluid flow controlled induction damper
05/16/1978US4089666 Method for control of air relative humidity with reduced energy usage
05/09/1978US4088150 Valve for the automatic flow control of a fluid in a conditioning system
05/02/1978US4086781 Variable air volume air conditioning system
04/1978
04/11/1978US4083397 Heating-cooling control system
04/11/1978US4083196 Compressor refrigeration plant
04/04/1978US4082114 Valve assembly for use in an air distribution system
03/1978
03/14/1978US4078721 Greenhouse control device
03/07/1978US4077567 Pneumatic temperature reset differential pressure controller
02/1978
02/28/1978US4075864 Air conditioning fan control
02/14/1978US4073433 Control apparatus for warm up cycle of air distribution system
02/14/1978US4073224 Ventilators
01/1978
01/17/1978US4069030 Energy conservation enthalpy control system and sensor therefor
01/10/1978US4067692 Odor control device
12/1977
12/27/1977US4064905 Apparatus for maintaining constant mass flow
12/06/1977US4061266 Environmental air distribution control system powered by system pressure
12/06/1977US4061185 Temperature control system
11/1977
11/29/1977US4060123 Energy saving temperature control apparatus
11/15/1977US4058740 Entry-controlled energy system
11/15/1977US4058255 Heater control for a motor vehicle
11/15/1977US4058253 Method and apparatus for conservation of energy and containment and evacuation of smoke in a high rise building