Vehicle air conditioner

Details Vehicle air conditioner Vehicle air conditioner

2005-12-27

2005-12-27

Norman, Marc (Department: 3744)

Refrigeration

Automatic control

Preventing, removing or handling atmospheric condensate

C062S156000, C062S176600, C062S229000, C062S244000, C236S04400R

Reexamination Certificate

active

06978629

ABSTRACT:
In a vehicle air conditioner, a controller calculates a first target post-evaporator temperature for defogging a windshield based on a detection humidity of a humidity sensor, and calculates a second target post-evaporator temperature for defogging the windshield regardless of the detection humidity of the humidity sensor. Then, the controller determines a smaller one between the first and second target post-evaporator temperatures, as a target post-evaporator temperature. Accordingly, even when the humidity sensor detects a humidity lower than an actual humidity of a passenger compartment when a blower operates by a low air-blowing amount, a windshield is prevented from fogging.

REFERENCES:
patent: 6430951 (2002-08-01), Iritani et al.
patent: 2004/0083748 (2004-05-01), Homan et al.
patent: 7-179120 (1995-07-01), None

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