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| Number | Title | Issue Date |
| 5050795 | Process and apparatus for regulating an interior temperature of a motor vehicle According to a process of this invention for regulating an interior temperature of a motor vehicle, a nominal temperature is set, an interior space temperature and an exterior temperature are measured, a motor (M) is synchronously controlled for positioni... | 09/24/1991 |
| 5051884 | Control apparatus for automobile air-conditioners In a control apparatus for automobile air-conditioner of the type wherein the air blow-off mode is determined based on the opening of an air-mix door and the substantial temperature of an evaporator for actuating a mode door, the improvement which include... | 09/24/1991 |
| 5042566 | Heating or air conditioning system for a motor vehicle Improved air-conditioning of the rear-seat area of a motor vehicle is achieved substantially independently from the front-seat area in a heating or air-conditioning system having means for controlling the temperature of the supply air via a front-seat con... | 08/27/1991 |
| 4994958 | Control apparatus for automobile air-conditioners A control apparatus for an automobile air-conditioner includes a cooled air bypass passage provided independently of a main airflow passage for bypassing cooled air from an evaporator directly to a vent outlet; an opening calculation unit for calculating ... | 02/19/1991 |
| 4976461 | Air conditioner for automobiles In an air conditioner for automobiles, an auxiliary mixture door is provided in an air mixture chamber, which auxiliary mixture door is rotatable between a position in which it deflects the cold air stream flowing through a bypass passage and another posi... | 12/11/1990 |
| 4974776 | Apparatus for controlling air-mix door in automobile air-conditioners An air-mix door control apparatus for automobile air-conditioners which is so constructed as to control the position of the air-mix door according to a deviation of the actual discharge air temperature from a target discharge air temperature calculated ba... | 12/04/1990 |
| 4966011 | Air-conditioning for automobiles In an air-conditioner for automobiles, cooled air having passed through an evaporator is immediately introduced through a cooled air bypass passage into the vehicle passenger compartment. The opening of a bypass door disposed in the bypass passage is adju... | 10/30/1990 |
| 4966012 | Air-conditioner for automobile An automobile air-conditioner wherein a total signal corresponding to a thermal load in the passenger compartment of an automobile and a head part total signal corresponding to a thermal load in the vicinity of the head of an occupant of the passenger com... | 10/30/1990 |
| 4962302 | Control apparatus for automobile air-conditioners An apparatus for controlling an automobile airconditioner includes a discharge mode selection device for selecting a discharge mode depending on the magnitude of a discharge mode changeover criterion signal calculated based on at least a vehicle compartme... | 10/09/1990 |
| 4942921 | Forced air ventilation system The variable air volume ventilating system includes a control device for driving a fan at continuously variable speeds for delivering air to the space for conditioning purposes. A controller monitors various conditioners of the space, to, in turn, cause t... | 07/24/1990 |
| 4941326 | Air conditioner having outdoor air introducing mechanism An air conditioner in which an outdoor unit having a compressor, a condenser, and expansion valve and an outdoor fan and an indoor unit having an evaporator and an indoor fan are connected by a piping to form a refrigerating cycle, and which has an outdoo... | 07/17/1990 |
| 4930698 | Control apparatus for automobile air-conditioners A control apparatus for an automobile air-conditioner so constructed as to calculate a target discharge air temperature based on a control parameter determined by the vehicle compartment temperature and the outside air temperature, then control a componen... | 06/05/1990 |
| 4917174 | Supply airflow control for dual-duct system Two variable position supply air valves, one for modulating warm airflow to a comfort zone and the other for modulating cool airflow, each have a constant intermediate open position to provide at least a desired minimum airflow, and both can be controlled... | 04/17/1990 |
| 4913347 | Air-conditioning system for an air-cooled motor vehicle So that, in the case of a preferably air-cooled vehicle, the air-conditioning system responds rapidly to changing heated-air temperatures as well as fluctuations in volume, heated air and/or fresh air and/or circulating air or cooled air is together guide... | 04/03/1990 |
| 4899930 | Temperature controller for automobile air conditioner A temperature controller for automobile air conditioner comprises first computation means which calculates, in correspondence to each delivered air temperature, a unit variation of heat exchange output required to vary the temperature of air delivered by ... | 02/13/1990 |
| 4882913 | Slide plate economizer An economizer has a single sliding door which leads to the indoor section from both the outdoor air inlet and the return air inlet, with the two inlets being separated by a divider baffle. The sliding plate is movable from its fully closed position, where... | 11/28/1989 |
| 4856710 | Dual air conditioner for a vehicle A dual air conditioner having a pair of air conditioning units for front and rear seats within the compartment of a vehicle adjusts the temperatures of air output to the front and rear seats in accordance with the difference between the temperature desire... | 08/15/1989 |
| 4842047 | Air conditioner for automobiles An air conditioner for automobiles includes a pair of juxtaposed air flow passages commonly containing blowers and heat exchangers. Each of the air flow passages is provided with a bypass door and an air distribution door. At least one of the bypass door ... | 06/27/1989 |
| 4840308 | Automotive air conditioning system damper position control An automotive air conditioning system is provided which includes a damper position control device which controls the angular position of an air mix damper. The air mix damper controls the mixture of cool air and heated air to thereby control the temperatu... | 06/20/1989 |
| 4834170 | Air conditioner for automobiles An automobile air conditioner includes a duct interconnecting a blower unit and a temperature control/air distributing unit having a pair of cooling and heating heat exchangers, the duct having a cross-sectional area gradually increasing toward the temper... | 05/30/1989 |
| 4834283 | Automotive air conditioning system A damper position control device for an automotive air conditioning system having a lock release mechanism for the drive shaft of a motor which controls the angular position of an air mix damper. A damper position control device is disclosed which control... | 05/30/1989 |
| 4832258 | Measuring circuit for use in device for detecting ambient air temperature A device for controlling an opening angle of an air mixing damper used in an automotive air conditioning system is disclosed. The device has an actuator for operating the air mixing damper and a blower for blowing the air. The device comprises an ambient ... | 05/23/1989 |
| 4828018 | Motor vehicle air conditioning and heating system with bi-level mode A motor vehicle air conditioning and heating system having an evaporator and a valve controlled heater core is provided with a cold air bypass around the heater core and upper and lower compartment outlets which outlets and bypass are controlled by a sing... | 05/09/1989 |
| 4784213 | Mixing valve air source An improved system for and method of precisely controlling the temperature at a predetermined location at a preselected temperature selected from a range of temperatures is described. The preferred system for carrying out the preferred method includes a m... | 11/15/1988 |
| 4744511 | Air conditioner for automobiles Disclosed is an air conditioner for automobiles comprising an air conditioning unit for adjusting at least temperature of blow-off air discharged into a vehicle compartment, a decision device for determining whether the air conditioning unit is in an init... | 05/17/1988 |
| 4738396 | Vehicle air conditioner The operational temperature TP is determined as a function of the compartment temperature Tr. The blower speed is controlled along the characteristic line, the slope of which varies with the operational temperature TP. When the temperature of engine cooli... | 04/19/1988 |
| 4730771 | Air duct This invention provides a device for meeting the demand of a forced-air furnace for make-up air in a building, the make-up air being available from a duct leading from outside the building. The device takes warm air from the hot air plenum of the furnace ... | 03/15/1988 |
| 4711295 | Air conditioner system for automobiles An air conditioner system for a vehicle includes a front-seat air conditioner unit, a rear-seat blower unit, and at least one connecting passage interconnecting a main duct of the front-seat air conditioner unit and a rear-seat duct of the rear-seat blowe... | 12/08/1987 |
| 4697734 | Air-mix door control apparatus for an air conditioner for automobile An air-mix door control apparatus for an air conditioner of an automobile wherein an opening range of the air-mix door divides into three ranges on the basis of the relationship between the change ratio of opening of the air-mix door and the change ratio ... | 10/06/1987 |
| 4691760 | Cooling and visor defogging system for an aircraft pilot and crew An improved thermal control system for flight apparel worn in an aircraft. An environmental control system (11) produces both a flow of cold air in a duct (12) and a flow of warm air in another duct (14). A mixing chamber (16) is connected to both ducts (... | 09/08/1987 |
| 4681153 | Automotive air conditioning system with independent temperature control for dual air flows An automotive air conditioning system which delivers air from upper and lower air outlets at independently controlled temperatures has a pressure responsive door interposed between an upper air mix chamber and a space near the outlet of a heater core or a... | 07/21/1987 |
| 4676272 | Air flow control valve An air flow control valve for directing air flow within a house or building. The control valve can selectively direct air flow between two alternative air flow paths. The control valve is of generally cylindrical configuration having an open wall portion ... | 06/30/1987 |
| 4660461 | Air conditioner First and second outlets direct conditioned air into a vehicular passenger compartment. When one of the outlets is blocked, the other outlet is unblocked. A control arrangement ensures that the temperature of the output air is the same regardless of which... | 04/28/1987 |
| 4657178 | Mixing box An improved mixing box is disclosed. The mixing box comprises an inlet end, an outlet end, a substantially closed first passage to which primary air flows from a primary air inlet and then through the induction means and to and from the outlet end of the ... | 04/14/1987 |
| 4653689 | Vehicle air conditioner having lost motion coupling between the air-mix door and the water cock A vehicle air conditioner is provided with a "lost motion" mechanism for drivingly connecting first and second shafts with one common actuator such that an air-mix door and a water cock are driven by the one common actuator.... | 03/31/1987 |
| 4611755 | Automobile air conditioner system with improved temperature control device A temperature control device used in an automobile air conditioner system includes a potentiometer for detecting the opening amount of an air-mix door. The potentiometer is tapped and includes at least one auxiliary resistance connected in parallel with a... | 09/16/1986 |
| 4605160 | Air blending apparatus for heating, ventilating and air conditioning (HVAC) Apparatus for blending and destratification of outside and return air streams which are cooled or heated, as by fluid containing heat transfer coils, and discharged into a building. Gates control the flow and blending of outside and inside air in a casing... | 08/12/1986 |
| 4586652 | Air conditioner system for automobiles An air conditioner system for a vehicle includes a rear-seat blower unit and a rear-seat blower unit which are connected only by at least two connecting passages. Thus the air conditioner system is simple in structure and hence easy to construct. Further,... | 05/06/1986 |
| 4573912 | Space heater A direct air heater using the air to be heated as combustion air includes means for maintaining a constant flow of air across the burner. The heater also includes means for recirculating inside air and means for controlling the flow of inside air, prefera... | 03/04/1986 |
| 4567939 | Computer controlled air conditioning systems A general purpose programmed computer controls an air circulation type air conditioning system as the operating equipment between temperature, humidity and oxygen sensors and control devices for modifying temperature, humidity and oxygen content of the ci... | 02/04/1986 |
