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| Number | Title | Issue Date |
| 8187063 | Evaporator frost prevention control logic for front and rear integrated HVAC system An HVAC system for a vehicle includes a housing, a front HVAC unit with a front blower, and rear HVAC unit with a rear blower. The front and rear HVAC units are housed in the housing. The front blower generates an airflow through a front airflow path and the rear bl... | 05/29/2012 |
| 8092285 | System and method for controlling a ventilation unit of a vehicle A sensor system (24) for controlling a ventilation unit (22) of a vehicle (20) includes a sensitivity selector (70) for enabling a user to select a setting (76) corresponding to an air quality threshold (94, 98), and an air ... | 01/10/2012 |
| 7803039 | Method of controlling air intake into air conditioned enclosure A method for controlling air intake into an air conditioned enclosure includes generating a plurality of sensor output voltages using a NOx sensor. A NOx voltage ratio is calculated from the sensor output voltages. A determination is made when the NOx voltage ratio ... | 09/28/2010 |
| 7424353 | Safety device for a motor vehicle A safety device for a motor vehicle has at least one closable opening of the interior, and a closing element driven by a servo drive for closing the opening. A control unit evaluates the data relevant to safety when the vehicle is in motion and activates the servo d... | 09/09/2008 |
| 7413007 | Vehicle air-conditioning system A vehicle air-conditioning system includes an air-conditioner and an air outlet for opening and closing an opening formed in a rear part of a vehicle body. A control unit causes the air outlet to open and close the opening in accordance with changes in air condition... | 08/19/2008 |
| 7392838 | System and method for vehicle defogging condition calculation and control A method and apparatus for controlling a vehicle HVAC system to automatically defog a windshield glass and to prevent fogging or condensation of the windshield glass. The ambient air temperature and vehicle speed are measured and used to determine a windshield glass... | 07/01/2008 |
| 7367198 | Method of control for a refrigerated merchandiser The present invention provides a refrigerated merchandiser including a case defining a product display area. The product display area defines a highest temperature zone and a lowest temperature zone. The merchandiser includes a first product simulator positioned in ... | 05/06/2008 |
| 7346440 | Vehicle air conditioner having learning function and correcting function A vehicle air conditioner includes an operating unit operated by a passenger for setting an air conditioning state in a passenger compartment, and a control unit for automatically controlling the air conditioning state in accordance with a detection value of an envi... | 03/18/2008 |
| 7338357 | Filter purge control for HVAC fixed air circulation system A fixed air circulation system for the cab enclosure of an off-highway vehicle is disclosed. Fresh air is introduced into the cab through a fresh air inlet having a fresh air filter therein. The air inlet leads, through a manifold or fresh air duct, to the inside of... | 03/04/2008 |
| 7311740 | Snap acting split flapper valve A filter bypass valve is disposed in parallel with an aircraft cabin air filtration system air filter. During normal operation, air is filtered through the air filter at an air flow that meets air flow requirements of the system. The bypass valve is designed to rema... | 12/25/2007 |
| 7309992 | Gas analysis method and ionisation detector for carrying out said method Chemical analysis of impurities in buffer gas is provided at various pressures up to atmospheric. Identification of the impurities is carried out by analyzing energy of electrons releases via ionization of the impurity atoms or molecules in their collisions either w... | 12/18/2007 |
| 7294052 | Control for dual stepper motors In an air handling unit for discharging a flow of air into the surrounding ambient, having a series of horizontal louvers and a series of vertical louvers mounted in the discharge flow. A first multi-phase stepper motor is arranged to step the horizontal louvers to ... | 11/13/2007 |
| 7275983 | System for limiting an increase in the inside air temperature of passenger compartment of vehicle Light control glasses are used as window glasses of a vehicle. When the vehicle is parked, voltage is applied to the light control glass, which directly receives solar radiation from the sun, so that a light transmittancy of the light control glass is reduced to red... | 10/02/2007 |
| 7272452 | Controller with configurable connections between data processing components A controller with configurable connections between data processing components that is optimized to provide a particular function such as temperature control is provided. In one embodiment, the controller includes a number of configurable inputs and outputs that may ... | 09/18/2007 |
| 7267386 | Motor vehicle passenger compartment heat insulation and dissipation A body part of a vehicle, the body part having: an outer sheet that will form a part of the vehicle exterior surface; an inner part disposed between the outer sheet and the passenger compartment when the body part is assembled to the vehicle; a first infrared radiat... | 09/11/2007 |
| 7264017 | Dual-actuator aircraft environmental control system valve A regulator valve includes dual actuators that operate according to different principles to position a valve element to either an open or a closed position. One actuator, which is an electromechanical actuator, operates in response to electrical command signals. The... | 09/04/2007 |
| 7258605 | Heating system for a vehicle A heating system for a vehicle has a heating air blower (24) for generating a heating air stream to be introduced into the interior space of a vehicle, a heater (22) with a heat exchanger arrangement (26) for heating the heating air stream being... | 08/21/2007 |
| 7255161 | Method of controlling a heating and air conditioning system in a motor vehicle A method for controlling a heating and air conditioning system equipped with actuators, preferably vents, is provided. Interior conditions are detected by an interior sensing system, with at least the seat occupancy with occupants being automatically recognized by a... | 08/14/2007 |
| 7246788 | Roller belt cassette for use in a control device The invention relates to a roller belt cassette for use in a control device (1) serving to control airflows in motor vehicles, comprised of a roller belt subassembly having a roller louver, which is formed by a roller belt (5), and at least two shafts ... | 07/24/2007 |
| 7222665 | Vehicle air conditioning system with air temperature sensor A vehicle air conditioning system uses a non-contact temperature sensor for feedback control of the temperature of the air blown out from a blowing opening. The degrees of opening of an air mix damper and a bypass open/close damper are controlled by actuators that r... | 05/29/2007 |
| 7210523 | Vehicle air conditioner A vehicle air conditioner has an air conditioning unit and an air conditioning control unit. The air conditioning unit has a FACE blowout port, a DEF blowout port, an upper blowout port. The air conditioning control unit estimates an outside windshield temperature a... | 05/01/2007 |
| 7207180 | Air conditioner, in particular for use in motor vehicles, and a method for its operation The invention relates to an air conditioner, in particular for use in motor vehicles, with a cooling circuit and a ventilation system, wherein the cooling circuit features an evaporator/heat exchanger (12) that is arranged in the ventilation system, and where... | 04/24/2007 |
| 7198402 | Method for determining an interior temperature of a passenger area of a motor vehicle, arrangement for execution of the method, and a temperature sensor A signal (Snormal) is provided to a heat element of a temperature sensor, which is recorded as a step response (Lruh, Lbew). From the difference of the step response compared with the reaction adaptively determined with the temperatu... | 04/03/2007 |
| 7189363 | Gas detector Of a gas detector 100, a chamber 105 formed between a center cover 150 and a cover 160 is a part of an air flow channel AF. A first shielding plate 165 is provided in the chamber 105. Water droplets that have entered the cha... | 03/13/2007 |
| 7188481 | Adjustable damper actuator An actuator for controlling the position of a damper. It is an adjustable damper actuator that can actuate a damper to have positions that are other than fully open and fully closed. The actuator has adjustable stops for attaining a partially closed or partially ope... | 03/13/2007 |
| 7172018 | Vehicle air-conditioning system A vehicle air-conditioning system improves a passenger's sensation of cooling by preventing air blown from a foot opening when a cooling load is low, creating a comfortable temperature distribution along the passenger's body. The vehicle air-conditioning system auto... | 02/06/2007 |
| 7128141 | Combination HVAC and auxiliary engine cooling A vehicle heat transfer module including a conduit for air circulation, an evaporator in the conduit between the cabin air input and cabin air output, and a heater having vehicle engine coolant circulated therethrough, the heater being in a first path between the ev... | 10/31/2006 |
| 7112447 | Hand held gas analyzer A lightweight and portable analyzer is provided. At least one component of the analyzer is made from a lightweight material, such as ABS. A manifold can have a plate and gas passages ultrasonically welded together. By having at least one component made from a lightw... | 09/26/2006 |
| 7100966 | Ventilation structure of automobile door There is provided a ventilation structure formed in an automobile door, which is made up of a door inner panel having a hole therethrough. A door hole seal is installed in an interior side of the door inner panel. The door hole seal has a slit or an air hole nearby ... | 09/05/2006 |
| 7102501 | Device and method for automatically preventing misting of the windscreen of a vehicle A device and method for automatically preventing misting of the windscreen of a vehicle, wherein a number of sensors determine ambient conditions capable of misting the windscreen, and, upon such ambient conditions occurring, an electronic central control unit autom... | 09/05/2006 |
| 7096986 | Mobile chassis and interchangeable vehicle body with ram air circulation system An improved body configuration for a vehicle having an aerodynamic configuration and defining a pair of longitudinally extending air flow channels at the opposite sides of the body and inwardly of the outer periphery of the fenders for achieving good air flow. A fro... | 08/29/2006 |
| 7097555 | Ventilator particularly for motor vehicles According to the invention, the body (2) of the ventilator (1) defines at least one housing (5) behind the front face (12) of the ventilator (1), said housing communicating with the vent (1) tube (10) by means of one ... | 08/29/2006 |
| 7081811 | Multiple sensor heat alarm A multiple heat sensor alarm system for use in a vehicle to indicate that the interior temperature is above a preset limit has a control head with a microprocessor. Heat sensors or thermometers are placed at different points in the vehicle and connected to the micro... | 07/25/2006 |
| 7077741 | Safety system for an apparatus for generating energy A safety system for a gas-operated apparatus for generating energy, in particular in a vehicle, includes at least one sensor for measuring the gas concentration. The sensor is preferably disposed in the passenger compartment of the vehicle. In the event of a dangero... | 07/18/2006 |
| 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 |
| 7024876 | Portable cooling unit A portable cooling unit for cooling the interior of an automobile, comprising a cooling device and an associated remote control unit. The cooling device has a number of solar cell panels located on its upper surface for converting the rays of sunlight into electrica... | 04/11/2006 |
| 7020562 | Method of monitoring the operation of gas sensor and system therefor A method of monitoring the operation of a gas sensor is disclosed. A system signal is provided in response to sensing first or second system conditions, and a gas concentration signal is provided in response to sensing first or second gas concentration levels of a g... | 03/28/2006 |
| 7013656 | Vehicle ventilation and deodorization system A ventilation and deodorization system includes a door lock switching unit for performing a locking and an unlocking of a vehicle door, an air conditioner which introduces outside air of a passenger compartment of the vehicle and blows the introduced outside air int... | 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 |
| 6991532 | Method and apparatus for decontamination for automotive HVAC systems A method and apparatus for passenger vehicles, including light and heavy truck, heating, ventilation and air conditioning systems, particularly HVAC systems, using oxidants to reduce contaminants and increase passenger comfort levels in such vehicles. ... | 01/31/2006 |
