Air conditioning apparatus for vehicle

Details Air conditioning apparatus for vehicle Air conditioning apparatus for vehicle

1997-02-28

1998-09-08

Bennett, Henry A.

Heat exchange

With timer, programmer, time delay, or condition responsive...

Having heating and cooling capability

165 42, F25B 2900

Patent

active

058031669

ABSTRACT:
When the passenger compartment is rapidly heated (e.g., a target air temperature TAO(Rr)>a predetermined temperature T1) and the heating capacity of the rear-seat heater core is less than a predetermined capacity (e.g., water temperature Tw<a predetermined temperature Tw1), a fan of a heater unit is stopped to prevent a cool air form blown out from the heater unit, and a fan of a cooler unit is also stopped at that time. Thus, when air is blown out from both of the cooler unit and the heater unit to achieve a "cooling of a head area and heating of a foot area" for a passenger at a rear seat in a passenger compartment, it is prevented for only cool air to be blown out from the cooler unit not to give cool air feeling to the passenger at the rear seat in the passenger compartment.

REFERENCES:
patent: 4473109 (1984-09-01), Kojima et al.
patent: 4858677 (1989-08-01), Doi et al.
patent: 5199485 (1993-04-01), Ito et al.
patent: 5390728 (1995-02-01), Ban
patent: 5493870 (1996-02-01), Kodama et al.

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