Automotive air conditioner

Details Automotive air conditioner Automotive air conditioner

2007-02-27

2007-02-27

Tyler, Cheryl (Department: 3744)

Refrigeration

Automatic control

Refrigeration producer

C062S227000, C062S228400, C062S151000

Reexamination Certificate

active

10765765

ABSTRACT:
A cooled air temperature detector detects the temperature of air that has just passed through a refrigerant evaporator. The detector detects air temperatures for a plurality of locations on the cooling unit. When determining a control condition (ON/OFF condition) of the refrigerant compressor based on the post-evaporator temperature, an air conditioner ECU calculates and compares respective air temperatures detected by the detector and processes the lowest air temperature as the post-evaporator temperature. In another embodiment, a sensor detects a surface temperature at a plurality of locations on the refrigerant evaporator. The operation of the refrigerant compressor is controlled based on the lowest surface temperature detected.

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patent: 6330909 (2001-12-01), Takahashi et al.
patent: 2769073 (1998-04-01), None

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