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| Number | Title | Issue Date |
| 7335031 | Actuator An actuator includes a lower housing member, an upper housing member ached to the lower one, and a cover member. Inside the lower housing member are arranged a driving source, a power-transmitting mechanism configured for transmitting a driving powder of the driving... | 02/26/2008 |
| 7284382 | Apparatus and method for controlling a fan, cooling unit and a fresh air damper of an air conditioner through use of a Capno-Switch A fresh air controller interfaces directly with the electromechanical circuit of an air-conditioner to control its operating settings based upon detected Carbon Dioxide (CO2) level in Parts-Per-Million (PPM) using a “Capno-Switch” which is in essence a specially... | 10/23/2007 |
| 7275586 | Heating or air-conditioning system for a motor vehicle The invention relates to a heating or air-conditioning system for a motor vehicle, by which individual zones of the vehicle interior can be supplied with separately temperature-controlled air. An improved heating or air-conditioning system, which requires just a sma... | 10/02/2007 |
| 7265512 | Actuator with feedback for end stop positioning Methods for operating an actuator including providing a position sensor and using the position sensor to provide end-stop functionality for the actuator. The actuator may have a motor controlled by control circuitry, with the control circuitry reading a variable fro... | 09/04/2007 |
| 7258280 | Damper control in space heating and cooling An amount of time that air has been delivered from an air handler to a space is tracked, and based on the tracked amount of time, at least one turn-on time or one turn-off time of the delivery of air from the air handler to the space is controlled. Other features re... | 08/21/2007 |
| 7246941 | Sensing media temperature in an HVAC valve An apparatus and method are provided for determining the temperature of an operating fluid media in an HVAC system. An integral temperature sensor, mounted within an actuator of an actuator-driven HVAC valve, senses the temperature of a valve body of the HVAC valve.... | 07/24/2007 |
| 7216497 | Slope predictive control and digital PID control The present invention provides an airflow control loop that uses averaged airflow measurements without the problems that are normally encountered with averaging measurements, such as the delay introduced into the airflow control loop. This is accomplished, in the pr... | 05/15/2007 |
| 7201219 | Automotive air-conditioner operable under cooling, heating or air-mixing mode An air-conditioner is operated under one mode selected from among three modes, i.e., a cooling mode, a heating mode and an air-mixing mode. Conditioned air temperature is controlled by changing a cooling ability in the cooling mode, a heating ability in the heating ... | 04/10/2007 |
| 7201220 | Air-conditioning unit without air-mix door An air conditioner for automotive vehicles is disclosed. The flow rates of air supplied to an evaporator (4) and a heater (5) are adjusted by rotationally displacing a scroll casing (2b) and thus changing an air flow from a blower (2 | 04/10/2007 |
| 7171821 | Temperature control unit having a vent arrangement Some constructions of the present invention provide a vent arrangement for a transport temperature control unit including a refrigeration circuit and being mountable on a transport container having a load space. The vent arrangement can include a duct communicating ... | 02/06/2007 |
| 7129668 | Actuator control unit An actuator control device includes an electrical control unit for detecting the present positions of output shafts of servo motors, and communicating with control circuits for driving the output shafts of the servo motors to target stop positions on the basis of th... | 10/31/2006 |
| 7119700 | Apparatus and method for controlling an aircraft cooling and smoke system using discrete components A combined smoke detector and cooling control system for a mobile platform is operable to control multiple electronic units. A smoke detector is connected to the electronic unit and operates to identify a smoke event. A cooling system is connected to the electronic ... | 10/10/2006 |
| 7079388 | Baffles for high capacity air-cooling systems for electronics apparatus An improved air-cooling system for high performance, high density electronic equipment comprises, in one embodiment, a single fan having a radial impeller, a baffle having an inlet portion to efficiently direct air into the fan intake, and a two-tiered outlet plenum... | 07/18/2006 |
| 7066091 | Methods and apparatus for controlling impurity levels in an enclosed printing press environment Methods and apparatus for controlling impurity levels in an enclosed printing press environment are disclosed. A disclosed system controls impurity levels by using variable speed fans to control the intake of air into the enclosed environment and the exhausting of a... | 06/27/2006 |
| 7061202 | Automobile servomotor controller An automobile servomotor controller includes a master control unit having a master control circuit for transmitting a designation signal and a slave unit having a motor and a control circuit which controls driving of a motor by outputting an operation signal to a dr... | 06/13/2006 |
| 7057506 | Cooling fluid provisioning with location aware sensors A method of controlling cooling fluid provisioning in a room housing a plurality of components. The room includes at least one plenum having one or more cooling system components configured to vary a characteristic of at least one of cooling fluid supply to and remo... | 06/06/2006 |
| 7050885 | Pulse count accumulator for pulse count motor control system A pulse count accumulator includes a plurality of counters and a communication port. The plurality of counters are each coupled to a different one of a plurality of actuators and a value of each of the counters corresponds to a position of a corresponding one of the... | 05/23/2006 |
| 7044214 | Aircraft ground support air conditioning unit with cooling air flow control doors A system and method of supplying conditioned air to an aircraft environmental control system during ground support operations that uses at least one flow control door to control the flow of cooling air through a heat exchanger. The heat exchanger removes heat from a... | 05/16/2006 |
| 7029244 | High-speed, belt-driven industrial blower A centrifugal blower is provided which incorporates a self-contained air cooling system. The blower includes a drive assembly connected to a drive motor and disposed within a housing having inlet and outlet apertures. A centrifugal compressor is connected to the dri... | 04/18/2006 |
| 7024254 | Method for controlling a discrete system A system and method for controlling a controlled parameter that affects a target parameter of a target zone is disclosed. The method comprises providing a feedback control loop having a switching controller, a controlled device, and an averaging device. The controll... | 04/04/2006 |
| 7017659 | Vehicle air-conditioning system A vehicle air-conditioning system adjusts the temperature at an outlet by a combined amount of air flowing through a first bypass passage adjusted by an air mixing door and air flowing through a second bypass passage adjusted by a cool air adjusting door independent... | 03/28/2006 |
| 7013969 | Low noise level HVAC system having displacement with induction A displacement ventilation, low noise level, mixed air, HVAC system for ventilating a commercial or educational facility. The system includes a central HVAC air handling unit containing first and second duct works for receiving and transmitting conditioned air to ro... | 03/21/2006 |
| 7005821 | Servomotor controller In a servomotor controller, when a comparing circuit (70) detects that a position of an object to be controlled has been achieved to a target position, an operation inhibiting signal generating section (71) supplies an operation inhibiting signal (7... | 02/28/2006 |
| 7002316 | Vehicle HVAC door with enclosed motor A drive for a vehicle HVAC vent door includes a drive transmission mounted within the shaft for the vent door. The drive transmission is of the sort commonly known as a wave drive transmission, wherein a lobed member is driven by an oblong drive shaft. The lobed mem... | 02/21/2006 |
| 7000688 | Supply air terminal device The invention concerns a supply air terminal device (10) including side plates (12) and an air guiding part (13). A heat exchanger (14) is fitted in the device below a supply air chamber (11) for supply air in between air guiding p... | 02/21/2006 |
| 6975047 | Temperature-based cooling device controller apparatus and method A temperature-based cooling device controller is implemented in an integrated circuit such as a microprocessor. The temperature-based cooling device controller includes a register to store a threshold temperature value, a thermal sensor, and clock adjustment logic t... | 12/13/2005 |
| 6971440 | Heating or air-conditioning system for a motor vehicle The invention relates to a heating or air-conditioning system for a motor vehicle, by which individual zones of the vehicle interior can be supplied with separately temperature-controlled air. An improved heating or air-conditioning system, which requires just a sma... | 12/06/2005 |
| 6964269 | Heating flange for preheating air in an intake line of an internal combustion engine The present invention relates to a heating flange, in particular for preheating air in an intake line leading to an internal combustion engine. The heating flange comprises at least one heating element for heating the air flowing past said heating element, and a bod... | 11/15/2005 |
| 6945323 | Automotive air conditioning system An automotive air conditioning system includes: an air conditioning duct having an outlet; an evaporator; a heater core; an air mix door that divides air passing through the air conditioning duct into to pass through the heater core and to bypass the heater core; an... | 09/20/2005 |
| 6935763 | Interior lighting system of a motor vehicle and a method for controlling the same An interior lighting system for a motor vehicle includes a lighting device configured to light a motor vehicle interior and a control unit configured to regulate the brightness and/or the color of the light emitted from the lighting device. The color of the light em... | 08/30/2005 |
| 6921047 | Aircraft air conditioning system mixer A mixer includes a fresh air tube defining a passage having an inlet receiving conditioned air from an air conditioning pack. The fresh air tube includes an outlet providing mixed air to a cabin of the aircraft. An outer tube at least partially surrounds the fresh a... | 07/26/2005 |
| 6915650 | Vehicle air conditioner with automatic control of main blower and sub-blower A vehicle air conditioner includes a main blower and a sub-blower for blowing air into a passenger compartment. The main blower is disposed to blow conditioned air in a front air passage toward a front seat area in the passenger compartment, and the sub-blower is di... | 07/12/2005 |
| 6915171 | Automatic procedure for locating actuator addresses on a bus system An automatic procedure for locating actuator addresses on a bus system is revealed. The actuators may be identical except for their physical position, and thus their function and address on a bus system that controls and powers the actuators. Because their functions... | 07/05/2005 |
| 6849234 | System and method for controlling an ultraviolet air treatment device for return air duct applications A system and method for controlling operation of an ultraviolet air treatment device including an ultraviolet lamp positioned to treat air within an air handling system that operates in either an on state or an off state. The method includes activating the ultraviol... | 02/01/2005 |
| 6789617 | Air mix damper device and vehicle air conditioner The invention provides an air mixing damper apparatus and an air conditioning apparatus for vehicles where the temperature of discharged air can be changed linearly with respect to the operation of an actuator lever. A rotation speed adjustment mechanism is disposed... | 09/14/2004 |
| 6779735 | Air ventilation control system A system that allows fresh air to be brought into a furnace as part of the return air circuit. This not only helps to replace stale air within a home, it also provides adequate air supplies to establish enough positive pressure within the dwelling to prevent air inf... | 08/24/2004 |
| 6718650 | Personal dryer A personal dryer capable of expelling temperatured air uniformly throughout the dryer and/or different temperatured air at different regions of the dryer, so as to provide a user with the option of drying their entire body with a more desirable uniformly temperature... | 04/13/2004 |
| 6718277 | Atmospheric control within a building A method and system for controlling atmospheric conditions within a building. A conditioned fluid is supplied inside of the building and one or more atmospheric parameters in various locations inside of the building are sensed. An empirical atmospheric map is then g... | 04/06/2004 |
| 6609563 | Vehicular air conditioning apparatus including a detachably installed mix door assembly An air conditioning apparatus for an automotive vehicle includes a heater core and a mix door assembly installed in a case. The mix door assembly is detachably installed in the case through an opening formed at a side wall of the case. The mix door assemb... | 08/26/2003 |
| 6318096 | Single sensor mixing box and methodology for preventing air handling unit coil freeze-up A method of controlling the mixing of outside air and return air, entering an air handling unit, through inlets having dampers, the air handling unit having a coil for conditioning the incoming air and a fan for blowing the conditioned air into a conditio... | 11/20/2001 |