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Class Information
Number: 236/49.3
Name: Automatic temperature and humidity regulation > Ventilator type > Electrically actuated
Description: Device wherein the means operates the air flow control device by way of electricity.










Patents under this class:
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Patent Number Title Of Patent Date Issued
5228306 Apparatus for controlling air-exchange and pressure and detecting airtight conditions in air-conditioned room Jul. 20, 1993
5226592 Radiator heat distributing apparatus Jul. 13, 1993
5224648 Two-way wireless HVAC system and thermostat Jul. 6, 1993
5222661 Vehicle interior air conditioning device Jun. 29, 1993
5209397 Process for the closed-loop and open-loop control of an air-conditioning system and automatic air-conditioning system for a motor vehicles May. 11, 1993
5209398 Model-based thermobalance with feedback May. 11, 1993
5197667 HVAC low power usage circulation blower Mar. 30, 1993
5193742 Method for controlling operation of air-conditioner to adjust room temperature automatically Mar. 16, 1993
5187943 Control apparatus for air-conditioner Feb. 23, 1993
5186387 Apparatus for conditioning air in automotive vehicle Feb. 16, 1993
5181653 Residential heating and air conditioning control system Jan. 26, 1993
5180333 Ventilation device adjusted and controlled automatically with movement of human body Jan. 19, 1993
5180102 Temperature control system for zoned space Jan. 19, 1993
5172565 Air handling system utilizing direct expansion cooling Dec. 22, 1992
5172856 Control apparatus for air-conditioning Dec. 22, 1992
5168894 Air terminal Dec. 8, 1992
5167366 Duct pressure synthesis for air distribution system Dec. 1, 1992
5167365 Air-conditioning device Dec. 1, 1992
5167273 Aspirator tube check valve assembly and method of continuously sensing vehicular interior compartment air temperature Dec. 1, 1992
5165595 Air conditioning system for vehicles Nov. 24, 1992
5161608 Air conditioning system for a building Nov. 10, 1992
5152335 Automobile air conditioning system with cool air bypass passage having manual control mode Oct. 6, 1992
5148977 Control system for air-conductioner Sep. 22, 1992
5147244 Ventilation system including vent controller apparatus Sep. 15, 1992
5145112 Air conditioner Sep. 8, 1992
5143287 Control device for a system regulating the ventilation flow of a controlled-atmosphere room, and functioning cycles thereof Sep. 1, 1992
5139197 Air conditioning system Aug. 18, 1992
5129192 Ventilating system for vehicles Jul. 14, 1992
5125571 Variable speed control of livestock ventilation fans using discrete feedback of motor speed Jun. 30, 1992
5123592 Pressure independent control for air distribution system Jun. 23, 1992
5119987 Ventilating apparatus Jun. 9, 1992
5117900 System for providing individual comfort control Jun. 2, 1992
5114070 Pneumatic direct digital controller May. 19, 1992
5102040 Method and apparatus for fan control to achieve enhanced cooling Apr. 7, 1992
5102041 Air conditioning system for automotive vehicle Apr. 7, 1992
5097672 Spot air-conditioner Mar. 24, 1992
5095333 Image recording apparatus with cooling fan Mar. 10, 1992
5092394 Switching panel and system for controlling zoned heating and cooling systems Mar. 3, 1992
5088314 Gas detecting method and system Feb. 18, 1992
5086830 Air-conditioning system for motor vehicles Feb. 11, 1992
5086628 Automotive air tempering apparatus Feb. 11, 1992
5085368 System for controlling poultry house window closures Feb. 4, 1992
5078316 Control system for automotive air conditioner Jan. 7, 1992
5076346 Air conditioner Dec. 31, 1991
5074463 Air conditioning apparatus for automotive vehicle Dec. 24, 1991
5072878 Air conditioning apparatus Dec. 17, 1991
5071065 Procedure for controlling and maintaining air currents or equivalent in an air-conditioning installation, and an air-conditioning system according to said procedure Dec. 10, 1991
5070267 Low-noise electric motor assembly for automotive blower Dec. 3, 1991
5054686 Automobile environment management system Oct. 8, 1991
5050795 Process and apparatus for regulating an interior temperature of a motor vehicle Sep. 24, 1991

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