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US 7,478,537 B2Granted
Method of controlling vehicular air-conditioner
AssigneeCalsonic Kansei Corporation
InventorsHiroyuki Makishima, Hiroyasu Nadamoto
Life of this patent
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Abstract
A vehicular air-conditioner includes a compressor to be driven by an engine. The vehicular air-conditioner includes a controller configured to reduce a load on the compressor in response to a braking condition of a vehicle.
Claims6
A method of controlling a vehicular air-conditioner, comprising:
- determining a braking condition of a vehicle;
- and
- reducing a load on a compressor in response to the braking condition of the vehicle;
- wherein the determining of the braking condition of the vehicle includes only;
- determining a pressing-down of a brake pedal, a lighting of a tail lamp, or an increase of a brake hydraulic pressure.
2 more elements
A method of controlling a vehicular air-conditioner, comprising:
- sensing that a vehicle is in a braking condition;
- reducing a load on a compressor during a time when the vehicle is in the braking condition;
- sensing an air temperature introduced into the air conditioner;
- and
- stopping the reducing of the load on the compressor if the air temperature introduced into the air conditioner exceeds a predetermined upper intake temperature limit.
2 more elements
Dependencies are inferred from the claim text.