1260 results about "Automotive air conditioning" patented technology

An air conditioning system for use in a motor vehicle powered by an internal combustion engine is described. The system comprises an electric motor powered by a battery; a compressor arranged to be powered by at least one of the internal combustion engine and the electric motor; and a control unit that controls the driving of the compressor. The control unit is configured to execute driving the compressor by only the electric motor when the combustion engine is under an idling stop; restarting the combustion engine upon expiration of a first given time from the time when the idling stop has occurred, so that thereafter the compressor is driven by both the combustion engine and the electric motor; and stopping the driving of the compressor by the electric motor upon expiration of a second given time from the restarting of the combustion engine, so that thereafter the compressor is driven by only the combustion engine.

There is provided an automotive air conditioning system, which is free from troubles in traveling itself caused by power consumption in air conditioning means in an automobile having storage means, power generation means for charging the storage means, and air conditioning means having an electric compressor driven by feeding from the storage means. Control means calculates a permissible power consumption increment in the air conditioning means by adding a permissible power generation increment to a permissible discharging current increment on tha basis of the permissible power generation increment allowable in the power generation means and the permissible discharging current increment allowable in the storage means to increase power consumption of the air conditioning means within the range of the permissible power consumption increment and to increase power generation of the power generation means within the range of the permissible power generation increment according to an increment of power consumption of the air conditioning means.

An air conditioning system for a vehicle has a first cycle including a compressor, a first condenser, a second condenser, a liquid tank, an expansion valve and an evaporator which are connected through pipes to form a first refrigerant circulation circuit through which a refrigerant flows from an outlet of the compressor to an inlet of the compressor while changing the phase. The first cycle causes the evaporator to act as a cooler when operated. The system further has a second cycle including the compressor, the second condenser, the liquid tank, the evaporator and the evaporator which are connected through pipes to form a second refrigerant circulation circuit through which the refrigerant flows from the outlet of the compressor to the inlet of the compressor while changing the phase. The second cycle causes the condenser to act as a heater and the evaporator to act as a cooler when operated. The first and second cycles are switched by switch means. The system further has an air duct case having an air flow passage in which the second condenser and the evaporator are installed. The air flow passage is connected at its downstream part to a passenger room of the vehicle. The air conditioning system further comprises heater means for heating a returning refrigerant which, under operation of the second cycle, flows in the pipe extending from an outlet of the evaporator to the inlet of the compressor.

A mix door (5) is arranged in air passages (10, 11) of an automotive air conditioning device. The mix door (5) is arranged to extend in a direction to shut an air flow blown from the upstream air passage (10) and swelled in a downstream direction with a predetermined radius of curvature. The door (5) is guided by arcuate cam grooves (19) and driven upward and downward to achieve open / close operation with the aid of a sliding mechanism (M). Compact construction, reduction in air flow resistance, smoothed handling, high sealing and high temperature controlling are achieved.

A mix door D, which is arranged in a limited space defined between an upstream air passage 10 in which an evaporator 3 is installed and a downstream air passage 11 in which a heater core 4 is installed, is of a sliding type. By guiding a door proper 12 by using a cam groove, a seal member 15 bonded to the door proper 12 is pressed against a contacting member 13 only when the door proper 12 assumes its close position. Smoothed operation of the door proper 12 is achieved with a compact construction of a unit, and sealing and temperature controlling performance is increased.

A material transfer device for transferring material from a pressurized container to the connector on an automotive air conditioning system or tire is provided having an actuator, fluid conveying tube and a quick connect fitting for attachment to the automotive connector. The quick connect fitting has a one piece plastic body and a plastic locking sleeve mounted on the body for attaching and detaching the quick connect fitting to the automotive connector. The plastic body has locking tabs integrally formed therewith for engaging the automotive connector. The locking tab is moveable between a locked position and an unlocked position. The locking sleeve retains the locking tab in the locked position. The quick connect fitting also has cooperating prongs to allow assembly of its components, restrain disassembly, and provide frictional forces during relative movement of the sleeve and body. A method is also provided.

The invention discloses a collecting pipe, flat pipe and fin assembling device and a process for a heat exchanger of an air conditioner of an automobile. The assembling device comprises a blanking device body, a rotary shaft, a fixed seat, a rotary main plate, a blanking bin, a rear free pressure plate, a workpiece table, a blanking chute, a rear clamp pneumatic device, a rear clamp body, a flat pipe positioning groove, a right clamp pneumatic device, a right clamp body, a right guide rail, a right sliding block, a frame, a front positioning bump, a left sliding block, a left clamp pneumatic device, a left clamp body, a flat pipe left positioning groove, a flat pipe, a fin, a right collecting pipe, a left collecting pipe, a right positioning groove pneumatic device, a right positioning groove pneumatic device and the like. According to the collecting pipe, flat pipe and fin assembling device and the process for the heat exchanger of the air conditioner of the automobile provided the invention, semi-automatic assembly among the collecting pipe, the flat pipe and the fin of the heat exchanger of the air conditioner is realized, and the process device is simple and practical, the technical process is high in production efficiency, low in production cost, low in requirements to technical skills of operators, and low in labor intensity of operators. The collecting pipe, flat pipe and fin assembling device provided by the invention is suitable for large scale production in batches.

An air conditioning unit is provided comprising a casing including an air flow passage, an evaporator and a heater arranged in the air flow passage, and an air flow control door for controlling an air amount flowing in a heater-passing passage. A water guide groove is provided at a bottom surface of the casing with a slanted bottom. A triangular projection is formed on the bottom surface of the casing, the triangular projection being oriented so that one apex of the projection is directed toward the front wall of the casing.

In a hybrid vehicle air conditioning system in which coolant is supplied to a heater core from a vehicle running engine, for heating, a demand of the operation of the vehicle running engine is controlled to obtain respective set coolant temperatures TWS2 for target air-outlet temperature TAO of air sent out into a passenger compartment during a bilevel mode operation and TWS1 for the target air-outlet temperature TAO during a foot mode operation by setting the set coolant temperature TWS2 higher than the set coolant temperature TWS1.

An internal heat exchanger unit for use in refrigerant circuits of automotive air conditioning systems. The internal heat exchanger includes a casing within which is located an accumulator, spaced thereapart so as to define a gap between the two components. Located within the gap is a coil-shaped fin tube. The fins of the fin tube include bend end portions at spaced apart locations about the fins, and the bent end portions defining an outer dimension of the fins that substantially corresponds to the gap width.

A mix door D, which is arranged in a limited space defined between an upstream air passage 10 in which an evaporator 3 is installed and a downstream air passage 11 in which a heater core 4 is installed, is of a sliding type. By guiding a door proper 12 by using a cam groove, a seal member 15 bonded to the door proper 12 is pressed against a contacting member 13 only when the door proper 12 assumes its close position. Smoothed operation of the door proper 12 is achieved with a compact construction of a unit, and sealing and temperature controlling performance is increased.