Air flow control for multi-port refrigerator duct

Details Air flow control for multi-port refrigerator duct Air flow control for multi-port refrigerator duct

1991-05-16

1992-03-24

Makay, Albert J.

Refrigeration

Gas controller or director

Cooled gas directed relative to cooled enclosure

62447, F25D 1704

Patent

active

050976753

ABSTRACT:
An air flow control for a multi-port refrigerator duct that conveys cold air from the evaporator chamber to a plurality of storage chambers within the fresh food compartment. The duct has a baffle providing individual branches for each storage chamber such that each is substantially coupled directly to the evaporator chamber so that a change in air flow in one branch does not significantly affect the flow in the opposite branch. A manually operated control is mounted within the fresh food compartment and has a face plate with a vent aligned with a liner input aperture communicating with the duct. A shutter disc is captured between the face plate and the liner, and has a tear drop opening. Rotation of the shutter disc alters the location of the tear drop opening and, thus the size of the passageway through the air flow control.

REFERENCES:
patent: 2234862 (1941-03-01), Gonczi
patent: 2466851 (1949-04-01), Honerkamp et al.
patent: 3364694 (1968-01-01), Cohen et al.
patent: 3373576 (1968-03-01), Dodge, III et al.
patent: 4009591 (1977-03-01), Hester
patent: 4920758 (1990-05-01), Janke et al.

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