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6616057 |
Adaptive automatic climate control method for a motor vehicle
An improved motor vehicle automatic climate control methodology individually develops climate control commands in response to ambient environmental conditions and a transient state estimator, and...
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6604688 |
Air handler with return air bypass for improved dehumidification
A VAV air handler includes a cooling coil with a return air bypass damper for improved dehumidification. The bypass interjects into the supply air a portion of relatively warm, dry return air...
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6581847 |
Variable-air-volume diffuser, actuator assembly and method
An adaptive control device ( 77 ) and method ( 102-108 ) for control of the operation of an actuator ( 72 ), and particularly thermally-powered actuator ( 72 ) of the type used in a...
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6578770 |
Thermostat incorporating a carbon dioxide sensor suitable for reading using potentiostat techniques, and environmental control system incorporating such thermostat
A system for monitoring and modifying the quality and temperature of air within a conditioned space includes a blower unit, an optional damper unit for selectively admitting outside air into the...
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6575378 |
Solar radiation detection unit and vehicle air conditioner using the same
The air conditioning controller for controlling a vehicle air conditioner provided for a vehicle equipped with a navigation system includes a solar radiation sensor disposed in a front part of the...
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6550686 |
Vehicle air conditioning system with non-contact temperature sensor
In a vehicle air conditioning system, a non-contact temperature sensor having plural temperature detecting elements is disposed to detect a predetermined region within a passenger compartment. The...
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6527194 |
Flow control damper
A damper including a pair of damper members movable with respect to each other is disclosed. Each damper member has at least one wall correspondingly inclined to an axis of the damper. The inclined...
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6524181 |
Garage venting device
Apparatus for removing excessive heat which has built up in a garage, including vents, movable louvers connected to each vent, exhaust fans, and a fan motor. The fan motor may be controlled by a...
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6505099 |
Radiant energy control system
In a radiant energy heating system having one or more types of radiant energy heating sub-systems, a control system comprising a solid state electronic control panel pre-programmed to control two...
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6494381 |
Cooling fan in sync with audio output level
A method and device for controlling a cooling fan within an electronic device based on the temperature within the electronic device and the audio output level of the electronic device and/or the...
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6491094 |
Control for a heating ventilating and air conditioning unit
A control system for a heating, ventilating, and air conditioning unit having a heating stage, a cooling stage, and an economizer is provided. The system includes a memory configured to store a...
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6488081 |
Method for controlling a heating ventilating and air conditioning unit
A method for controlling a heating, ventilating, and air conditioning unit is provided. A conditioning unit having a heating stage, a cooling stage, a fan, and an economizer is operated to provide...
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6488213 |
Vehicle air conditioner with control system learning manual control operation of blower voltage
In a control system of a vehicle air conditioner, when a temperature difference between a previous target air temperature at the previous manual operation and a present target air temperature at...
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6481635 |
Environmental control method
A method and system for controlling the environment of storage facilities, including produce and livestock storage facilities, and the like. Movement of air within the facility is accomplished by...
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6474559 |
Room grating control
An air grating where the air flow is controlled by a grid movable between OPEN and CLOSED positions. Control means acts when a thermostat switch closes at either a warm or a cool limiting position....
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6467696 |
Environmental control system
A method and system for controlling the environment of residential and commercial buildings. Movement of air within the facilities is accomplished by air handling units or fans. The speed of each...
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6457653 |
Blowerless air conditioning system
A blowerless air conditioning or heat pump system for use in providing conditioned air includes an outdoor section that is preferably coupled to an indoor section, and is advantageously used with a...
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6454178 |
Adaptive controller for an automotive HVAC system
A multi-zone climate control system and method for a vehicle. The system comprises a passenger seat occupancy detector at each of a plurality of passenger seats for generating a respective seat...
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6450414 |
Heat transfer system
A heat transfer system is described for controlling the transfer of heat from a roof space into a living space of a building. The heat transfer unit ( 10 ) includes a flexible duct ( 14 ) and a...
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6446876 |
Apparatus with integrated shape memory actuator for regulating the flow of air in a conduit, particularly for air-conditioning systems in motor vehicles
Apparatus comprising a plurality of Venetian blind slats controlled by an actuator rod associated to one side of a frame supporting the pivoting slats. The actuator rod is controlled by a metallic...
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6448896 |
Air filter monitor for HVAC units
An electronic system for monitoring the condition of the filter in an HVAC unit includes a controller which issues at least one command to a circuit for the motor of the fan producing airflow...
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6439468 |
Acoustic HVAC control system
The present invention is directed to a system for acoustically controlling an automotive or aircraft vehicle's automatic climate control system. The acoustic HVAC control system determines an...
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6431268 |
Air distribution fan and outside air damper recycling control
A system for controlling the operation of an air distribution fan and the operation of a motorized outside air damper of an air conditioning system, having heating and/or cooling and/or humidifying...
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6425527 |
Temperature control device for sleeping
A device for controlling the temperature of a person's sleeping environment. The device comprises a means of drawing a vacuum through an intake hose or pad. The intake hose or pad is positioned...
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6398118 |
Thermostat incorporating thin film carbon dioxide sensor and environmental control system
A system for monitoring and modifying the quality and temperature of air within a conditioned space includes a blower unit, a damper unit for selectively admitting outside air into the conditioned...
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6390380 |
Air-conditioning device
Temperatures in a Dr side air-conditioning zone and a Pa side air-conditioning zone are controlled highly independently of each other without temperature interference between each zone. A room...
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6390379 |
Method and device for controlling revolving speed of heat-dissipating fan
A method and a device for controlling the revolving speed of a heat-dissipating fan according to a current temperature of an electronic apparatus in operation, to which the fan is applied, is...
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6386460 |
Environmental control system and method for storage buildings
A method and system for controlling the environment of storage facilities, including produce and livestock storage facilities, and the like. Movement of air within the facility is accomplished by...
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6375563 |
Ventilation temperature and pressure control apparatus
A ventilation apparatus for a building with a roof is disclosed comprising a housing that has openings for exhausting or supplying air. The housing is fixedly secure to the building and covers an...
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6364211 |
Wireless damper and duct fan system
A temperature regulating apparatus comprising, an airflow rate controller to increase or decrease the flow of air supplied from a central heating ventilation and air conditioning system exiting a...
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6366832 |
Computer integrated personal environment system
The environment of a work space is regulated by a controller connected to a computer network. A personal computer within the work space also is connected to the computer network and displays a...
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6357667 |
Method and apparatus optically coupling thermostat to control a fan
An electrical circuit for controlling the activation of a fan includes optically coupled isolators. The circuit is electrically connected in series to a thermostat including a bimetal actuated...
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6341494 |
Air conditioning system for vehicles
An air conditioning system for vehicles includes a restriction control device that reduces the consumptive power of the air conditioning system by reducing the cooling ability of the air...
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6338437 |
Process and apparatus for individual adjustment of the temperature set points of a plurality of VAV devices through a network server
An apparatus and process for individual adjustment of the temperature set points of a plurality of VAV devices ( 27, 29 ) in an HVAC system. The process includes the step of directly, or indirectly...
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6336592 |
Thermal control for a test and measurement instrument
A cooling system for a test and measurement instrument including a variable-speed fan, useful with different instruments having different configurations, employs a plurality of sensors disposed at...
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6319114 |
Thermal management system
A thermal management system for an enclosure housing devices which generate heat inside the enclosure. A fan, whose speed is responsive to an input signal, has a gas flow output in communication...
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6318639 |
Thermostat with temporary fan on function
An electronic programmable thermostat having different modes of fan operation, including an automatic mode, a time mode, and a continuous mode, preferably includes a temporary fan-on mode for...
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6298911 |
Method and apparatus for automatic control of motor vehicle climate control having several operating modes
A method and apparatus for automotive climate control includes a control unit which automatically sets the particular operating mode of the automotive climate control system according to a...
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6298912 |
Method and system for controlling an economizer
A method and system for controlling the temperature of air returned to a conditioning unit in a zoned system is disclosed. The system includes a heating, ventilating, and air conditioning (HVAC)...
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6293339 |
Vehicle air-conditioning system with independent left/right temperature control during maximum cooling
A vehicle air-conditioning system that independently controls left-right air flow distribution in correspondence with left and right heat loads during a maximum cooling mode. In the system, blowout...
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6283380 |
Air conditioning system and air conditioning method
An air conditioning system and an air conditioning method are disclosed for quickly and effectively controlling the temperature in a room requiring cooling and keeping the room at a uniform...
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6264111 |
Proportional-integral-derivative controller having adaptive control capability
Apparatus for controlling at least one variable output parameter in response to a variable predetermined input parameter in a process system, such as a digital thermostat. The apparatus provides...
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RE37245 |
Variable air volume environmental management system including a fuzzy logic control system
A controller for a variable air volume terminal of a variable air volume air conditioning system which comprises a temperature sensing circuitry for generating a temperature process value, a...
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6241154 |
Air conditioning device
An air conditioning device has a controller, a fan motor, a by-path strangler, and a heat exchange pipe. The fan motor is disposed in front of the heat exchange pipe. The by-path strangler is...
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6241156 |
Process and apparatus for individual adjustment of an operating parameter of a plurality of environmental control devices through a global computer network
An apparatus and process for individual adjustment of an operating parameter of a plurality of environmental control devices, such as VAV devices (27, 29) in an HVAC system. The process includes...
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6230980 |
Ventilation controlling apparatus
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6209335 |
Environmental distribution control module
Enhanced controls added to conventional heating and air conditioning equipment provides a uniform comfort environment though out the structure. Enhanced control module monitors variously placed...
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6192698 |
Vehicle-air-conditioning system with cooling degree estimator for left/right temperature control
In an air-conditioning system having two air-conditioning passages serving two different air-conditioning zones but having a cooling degree detector provided in only one of the passages to reduce...
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6176435 |
Thermally powered diffuser
A thermally powered variable air volume diffuser is provided, comprising a diffuser housing and a thermally powered actuator assembly mounted therein which varies the size of a supply air discharge...
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6173902 |
Method and system for controlling an automotive HVAC system based on the principle of HVAC work
A method and system for automatically controlling a heating, ventilation and air-conditioning (HVAC) system of a vehicle in order to achieve thermal comfort of an occupant of the automotive vehicle...
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