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| Number | Title | Issue Date |
| 4565176 | Device for controlling the intake air temperature of a mixture-compressing internal combustion engine An intake air temperature control device for mixture-compressing internal combustion engines having an inlet flapper proportioning the flows of cold and preheated raw air into a duct junction and into raw air mixing duct, the flapper-adjusting wax thermos... | 01/21/1986 |
| 4560103 | Apparatus for heating and ventilating Apparatus for heating and ventilating vehicle compartments. For temperature control, two parallel ducts are provided. A heat exchanger is located in only one of the ducts. A separate blower is associated with each of the ducts, whereby the speed of both b... | 12/24/1985 |
| 4549692 | Heating and/or air-conditioning installation for motor vehicles A heating and/or air-conditioning system for motor vehicles provide for a temperature stratification between two different partial spaces of the vehicle interior. The system provides for independent reduction of the air stream which can be lowered in its ... | 10/29/1985 |
| 4538760 | Air conditioner control arrangement for automotive vehicle or the like The blower of an air conditioner is either (a) rotated at an ultra low speed until a first predetermined air temperature is sensed in the duct in which the blower is disposed, or (b) is temporarily disabled until a minimal engine coolant temperature is se... | 09/03/1985 |
| 4526156 | Air intake for an air filter of an internal combustion engine The air intake neck comprises a body 1 in two semi-shells 1a, 1b which define a mixing chamber 2 onto which open a cold air conduit 3 and a hot air conduit 7 which communicate with an outlet conduit 12 for the mixed air mixed in the mixing chamber 2. The ... | 07/02/1985 |
| 4519539 | Method and apparatus for regulating an economizer damper using indoor fan air pressure A method and apparatus for regulating an economizer damper using indoor fan air pressure is disclosed. The economizer control includes dampers powered by a motive source regulated by air pressure. An outdoor ambient thermostat and a mixed air thermostat a... | 05/28/1985 |
| 4516628 | Heat recovery system and method An air heater for recovering energy from process exhaust gases and the like includes a heat exchanger disposed in the flow of exhaust gases, a blower for supplying an independent flow of air to be heated in the exchanger and the control system including d... | 05/14/1985 |
| 4478366 | Ventilation system for reducing the humidity in an attic or roof cavity space A roof cavity venting system which draws in outside air, mixes it with inside air in the roof cavity to heat the cold outside air and dehumidify the inside air, and expels the mixture into the home living quarters. The system includes exterior and interio... | 10/23/1984 |
| 4462539 | Air conditioning economizer control method and apparatus An air conditioning economizer control method and apparatus for integrating the operation of the economizer with an air conditioning system is disclosed. An economizer position control arrangement is further disclosed incorporating a rotor locking circuit... | 07/31/1984 |
| 4456166 | Temperature control system for air conditioners Disclosed is a temperature control system for airconditioners having air blend doors which are controlled by electrical signals related to the room temperature such that the amount of cool air to be reheated by a heater and the amount of cool air bypassin... | 06/26/1984 |
| 4453591 | Air-conditioning apparatus for motor vehicles Air conditioning apparatus for conditioning the air supplied to a vehicle passenger space is provided which includes an air conditioning air cooling evaporator and an air heater unit arranged in series. An evaporator bypass duct extends in bypassing relat... | 06/12/1984 |
| 4450897 | Air-conditioning method and system for an automotive vehicle An air-conditioning method and system controls the temperature of air outputted from an air conditioner outlet duct into the passenger compartment of a vehicle at a constant level, with a small time constant of recovery, by adjusting the air mix door open... | 05/29/1984 |
| 4445342 | Multi-zone temperature control in air cycle refrigeration systems An air cycle refrigeration system (10) pressurizes and cools flight compartment (115) and cabin (120) by the provision of chilled air thereto. Trim valves (180) and (205) set by a common actuator (195) control the mixture of uncooled system inlet air with... | 05/01/1984 |
| 4437608 | Variable air volume building ventilation system A variable air volume ventilation system (10) is disclosed in which the output air flow from a supply fan (13), delivered through a supply duct (11) to various places within a building, is returned by a return duct (15) through a return fan (17) and then ... | 03/20/1984 |
| 4420115 | Automotive air conditioner An air mixing control type air conditioner used for an automobile for controlling the diffusing air temperature so as to follow a main temperature control at an assistant driver's seat side for a main temperature control at a driver's seat side and to als... | 12/13/1983 |
| 4416324 | Vehicle temperature control apparatus An automotive air conditioning apparatus is provided which, in raising the temperature inside a vehicle cabin from a low level to a preset higher level in a maximum cooling mode or in lowering the cabin temperature from a high level to a preset lower leve... | 11/22/1983 |
| 4408712 | Apparatus for controlling air conditioners for automobiles An apparatus for controlling an air conditioner for an automobile comprises: an air conditioning unit including a heater unit for heating air passing through an air supply duct and a device for adjusting the amount of air passing through said duct, an air... | 10/11/1983 |
| 4408714 | Heating apparatus for motor vehicles In a heating apparatus for motor vehicles, there is provided means for permitting part of air just heated by heater means provided in the apparatus to be directed toward a region upstream of the heater means so as to be again heated by the heater means, t... | 10/11/1983 |
| 4408278 | Electric control method for automobile air conditioner In an electric control method for an automobile air conditioner, a digital computer is utilized to calculate a function required to direct the actual in-car temperature toward a desired value in consideration with various changes of ambient temperature an... | 10/04/1983 |
| 4406322 | Heating and/or cooling system In a heating and/or cooling system, two heat transmitting media are blended into a blended medium with adjustable temperature. The motor (M) of a blending member is controlled pulsewise in both directions by comparison pulses from a setpoint/actual value ... | 09/27/1983 |
| 4383642 | Heater unit for use in an air conditioner for automotive vehicles A heater unit for use in an air conditioner for automotive vehicles comprises: a casing formed therein with an air inlet passage, a discharging air passage communicating the air inlet passage with an upper or face-level air outlet or a floor air outlet, a... | 05/17/1983 |
| 4381074 | Air-conditioning method and system for an automotive vehicle An air-conditioning method and system for an automotive vehicle according to the present invention automatically maintains the temperature of air within the passenger compartment at a value preset by a passenger compartment air temperature presetting devi... | 04/26/1983 |
| 4378087 | Apparatus for and a method of air conditioning vehicles by controlling circulation of inside air and introduction of outside air An apparatus for controlling the air conditioning of a vehicle in accordance with the operational condition of said vehicle, the state of air conditioning of the passenger compartment of said vehicle and the relationships among the passenger compartment t... | 03/29/1983 |
| 4364429 | Automatic temperature control system for vehicle air conditioners An automatic temperature control system for a vehicle air conditioner including a cool air supply mechanism having an air flow control device, an air flow dividing device for dividing a cool air flow supplied from the cool air supply mechanism into a prim... | 12/21/1982 |
| 4362268 | Air conditioning system for an automotive vehicle compartment An air conditioning system particularly mounted in a passenger compartment of an automotive vehicle according to the present invention can be fixed in the maximum heating operation mode to produce a maximum effect of the defrosting function by only pushin... | 12/07/1982 |
| 4358050 | Air conditioner control method and apparatus A vehicle air conditioner control method and apparatus for automatically controlling the air conditioning of the compartment of a vehicle in accordance with a predetermined automatic control pattern, uses a selector for selecting a desired air conditionin... | 11/09/1982 |
| 4356965 | Heater with adjustable mix regulating damper for bilevel operation An air treatment assembly through which flows an air flow. The air flow is introduced into a ducting system, at an intermediate part of which a heater element is mounted. A first damper upstream of the heater divides the air flow into a first air flow por... | 11/02/1982 |
| 4355681 | System for controlling a vehicle mounted air conditioner A vehicle mounted air conditioner controlling system is disclosed and of which system comprises a vacuum mode controlling switch (41) being controlled by depression of push-button switches (56) for each mode and mounted on a controller, a shift actuator (... | 10/26/1982 |
| 4355753 | Air heating system of internal combustion engine-mounted motor vehicle A damper door unit is swingably disposed in an air intake duct for selectively permitting outdoor intake introduction and indoor air introduction. The damper door unit comprises a main door which is swingably connected to the air intake duct to selectivel... | 10/26/1982 |
| 4352453 | Fan control for variable air volume terminal unit Disclosed is a terminal unit for an air conditioning system. The apparatus has a common chamber for primary and secondary air and a throttling valve at the primary air duct connection controlled by a zone thermostat. The terminal unit fan is independently... | 10/05/1982 |
| 4352452 | Emergency controller for an air conditioning system of an automotive vehicle An emergency controller for an air conditioning system of an automotive vehicle which incorporates an electronic control circuit in the automatic temperature adjusting means to perform a proportional control over an air mixing door by the use of a vacuum ... | 10/05/1982 |
| 4350289 | Selectively controlled air conditioner outlet system of a vehicle An air conditioner of a vehicle having a selectively controlled conditioned air blowing outlet system using a shift actuator (20) equipped with a number of negative pressure supplying ports (a, b, c, d), in which selection of the operation mode of the con... | 09/21/1982 |
| 4340172 | Internal combustion engine air intake control systems In an internal combustion engine air intake temperature control system a pivotal valve is movable between two extreme positions of angular movement to open one and close the other of a cold air inlet and a warm air inlet to an engine air intake passage, s... | 07/20/1982 |
| 4333606 | Air intake control system in air conditioning system An intake control system comprising a mode selector which receives a first control pressure and a second control pressure, and, according to the temperature inside and outside the vehicle, adapted to supply selectively a plurality of different combination... | 06/08/1982 |
| 4330082 | Air mixing apparatus Air mixing apparatus that is particularly useful in connection with a winter make-up air and a summer ventilation system for a factory, warehouse or the like includes inner and outer relatively movable ducts, the former having side walls, an air inlet thr... | 05/18/1982 |
| 4328926 | Air-handling unit The present invention provides an air-handling unit that can supply air, to a desired space, which is cold, which is cooler than the set point of the thermostat for that space and hence is referred to as cool air, which is warmer than that set point and h... | 05/11/1982 |
| 4326667 | Automatic temperature adjusting type air conditioner An air conditioner of an automatic temperature adjusting type used particularly for controlling the air temperature within a passenger compartment of an automotive vehicle. According to the present invention, the air conditioner controls simultaneously th... | 04/27/1982 |
| 4316479 | Vacuum modulator valve and subassembly therefor A vacuum regulator valve (10) is disclosed comprising a force-balance modulator valve subassembly (114, 118, 119, 122, 124, 126) mounted to a housing (12, 30) having inlet (14) and outlet (16) fluid ports. A vent insert (114) is adjustably biased through ... | 02/23/1982 |
| 4315412 | Air conditioning apparatus utilizing solar energy and method Air conditioning apparatus is disclosed. The apparatus is a terminal of the mixing type, receiving primary conditioned air, and delivering that air or a mixture including that air and recirculated air as required, for air conditioning. The rate at which p... | 02/16/1982 |
| 4294403 | System and method for controlling the conditioning and delivery of air to a conditioned space Air flows to the conditioned space through a cool air duct and a warm air duct which feed a common delivery duct. The inlet of the cool air duct is connected to a cool air supply duct of a parent system; and inlet of the warm air duct communicates with th... | 10/13/1981 |
