Centrifugal-type air blower bleed-off arrangement

Details Centrifugal-type air blower bleed-off arrangement Centrifugal-type air blower bleed-off arrangement

1984-09-21

1986-05-13

Croyle, Carlton R.

Rotary kinetic fluid motors or pumps

With control means responsive to non-cyclic condition...

Temperature or fluid force responsive member

415121A, 415168, 98 201, 98 209, F01B 2500

Patent

active

045883513

ABSTRACT:
A centrifugal-type air blower for a vehicle occupant compartment that operates in a housing and during a defrost mode to deliver heated air to defrost the vehicle's windshield is provided with an automatic bleed-off valve arrangement that automatically exhausts from the blower housing to outside the vehicle any airborne particles such as snow and water centrifugally discharged by the blower in the defrost mode when the outside air temperature falls below a predetermined sub-freezing water temperature.

REFERENCES:
patent: 1643966 (1927-10-01), Swartwout
patent: 2696345 (1954-12-01), Hopper
patent: 4047912 (1977-09-01), Markland
patent: 4223754 (1980-09-01), Mizuno et al.
patent: 4346860 (1982-08-01), Tedstone

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