Vehicular air temperature control system having excellent windsh

Details Vehicular air temperature control system having excellent windsh Vehicular air temperature control system having excellent windsh

1996-10-25

1997-12-30

Tanner, Harry B.

Refrigeration

Automatic control

Of external fluid or means

165204, 454127, 62244, B60S 154

Patent

active

057017522

ABSTRACT:
When heating the passenger compartment of a vehicle during cold weather, an air switching outlet is operated to allow the entry of outside air with an interior blower being operated to facilitate the entry of the outside air. A condenser door is operated to close an air passage of the condenser and a bypass passage is opened so that outside air flows to the passenger compartment of the vehicle while bypassing the condenser. Further, only a defogging outlet is opened and the incoming air is blown out from this defogging outlet toward the windshield of the vehicle so that a low humidity air curtain is formed proximate to the inner surface of the windshield. After completing the warm-up of the heat pump cycle, the condenser door is switched such that the air blown in by the blower passes the interior condenser to start the heating of the passenger compartment.

REFERENCES:
patent: 4910967 (1990-03-01), Takahashi
patent: 5173078 (1992-12-01), Robin et al.
patent: 5325912 (1994-07-01), Hotta et al.
patent: 5605051 (1997-02-01), Iritani et al.

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