Vehicle air conditioning apparatus

Details Vehicle air conditioning apparatus Vehicle air conditioning apparatus

2007-09-18

2007-09-18

Norman, Marc (Department: 3744)

Refrigeration

Automatic control

Responsive to vehicle body motion or traction

C062S158000, C062S209000, C062S244000, C165S042000, C165S202000

Reexamination Certificate

active

11004558

ABSTRACT:
Parameters are set in accordance with a running condition of a vehicle and an environmental condition based on a wiper operation signal of the vehicle. The parameters are used to calculate a stable vehicle interior surface temperature Tna of a window glass. The stable vehicle interior surface temperature Tna and a vehicle interior surface temperature Tn1calculated at previous sampling are used to calculate a vehicle interior surface temperature Tn in a transient state considering response delay time τ of temperature change. A control temperature, at which no dew is formed on the window glass, is determined in accordance with the obtained vehicle interior surface temperature Tn to perform air conditioning control.

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Japanese Office Action for Application No. 2004-030497, dated May 8, 2007.

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