Refrigerating compartment temperature control device

Details Refrigerating compartment temperature control device Refrigerating compartment temperature control device

1991-09-26

1993-03-09

Bennet, Henry A.

Refrigeration

Gas controller or director

Cooled gas directed relative to cooled enclosure

251253, F25D 1704

Patent

active

051917742

ABSTRACT:
A refrigerator includes a refrigerating chamber, a damper for opening and closing a cooling air supply channel, and an actuator for displacing the damper. A spring biases the damper closed. The actuator includes a rotary knob which rotates a cam disk. Rotation of the cam disk in one direction opens the damper against the spring bias. The knob includes a plurality of recesses which are selectively engageable by an elastic pin to yieldably retain the knob in various positions of damper adjustment.

REFERENCES:
patent: 2263456 (1941-11-01), Darcy
patent: 4614092 (1986-09-01), Kim et al.
patent: 4633900 (1987-01-01), Suzuki
patent: 4920765 (1990-05-01), McCauley et al.
patent: 5097675 (1992-03-01), Elsom et al.

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