Air intake for an automotive air conditioning system

Details Air intake for an automotive air conditioning system Air intake for an automotive air conditioning system

1990-05-29

1991-09-17

Joyce, Harold

98 211, B60H 100

Patent

active

050483994

ABSTRACT:
An air conditioning system for controlling the temperature in a passenger compartment in an automobile is provided. The air conditioning system includes a duct which defines an air passage and a blower disposed in the air passage for blowing air through the air passage. An outside air intake is formed in the duct for admitting air from outside the passenger compartment to the duct. First and second passenger compartment air intakes are formed in the duct for admitting air from the passenger compartment to the duct. A first damper selectively opens and closes the outside air intake and the first passenger compartment air intake in response to temperature control signals. A second damper opens and closes the second passenger compartment air intake in response to the speed of the blown air in the air passage. A damper control mechanism selectively controls the second damper such that the second passenger compartment air intake remains closed regardless of the speed of the blown air in the air passage.

REFERENCES:
patent: 4223720 (1980-09-01), d'Orsay et al.
patent: 4614152 (1986-09-01), Fukasaku et al.
patent: 4779672 (1988-10-01), Seikou et al.

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