Automotive air conditioning system

Details Automotive air conditioning system Automotive air conditioning system

1991-07-25

1992-12-01

Wayner, William E.

Refrigeration

Automatic control

Of external fluid or means

165 43, 454 75, 454144, F25D 1700

Patent

active

051671298

ABSTRACT:
An automotive air conditioning system is disclosed which is incorporated with a known automatic air conditioner installed in a motor vehicle. The air conditioning system has first, second and third operation modes which are automatically selected. When the system assumes the first operation mode, air in upper and lower portions of the passenger cabin is discharged to outside of the vehicle through upper and lower ducts. When the system assumes the second operation mode, air in the lower portion of is sucked into an air conditioning unit through the lower duct and cooled and blown into the upper portion of the passenger cabin through the upper duct. When the system assumes the third operation mode, air in the upper portion of the passenger cabin is enforcedly discharded to outside of the vehicle through the upper duct.

REFERENCES:
patent: 3008694 (1961-11-01), Todd
patent: 4376408 (1983-03-01), Iijima et al.
patent: 4593609 (1986-06-01), Nagatomo et al.
patent: 5042566 (1991-08-01), Hildebrand

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