Refrigerator dual air flow control mechanism

Details Refrigerator dual air flow control mechanism Refrigerator dual air flow control mechanism

1996-01-11

1997-03-18

Tapoical, William E.

Refrigeration

Automatic control

Of external fluid or means

137875, 236 495, F25D 1706

Patent

active

056112122

ABSTRACT:
A control mechanism for simultaneously supplying air to a refrigerated compartment in two separate air streams includes a housing having an inlet communicating with first and second outlets. A first valve seat interconnects the inlet and first outlet and a second valve seat interconnects the inlet and second outlet. A unitary valve member rotatably mounted in the housing is movable between a closed condition engaging both of the valve seats to block air flow from the inlet to both of the outlets and an open condition out of engagement with both of the valve seats to permit air flow from the inlet to both of the outlets. A temperature responsive mechanism senses the temperature in the compartment and controls the condition of the valve member in response to the sensed temperature.

REFERENCES:
patent: 4229945 (1980-10-01), Griffin et al.
patent: 4699314 (1987-10-01), Faurie
patent: 4704874 (1987-11-01), Thompson et al.
patent: 5083439 (1992-01-01), Orner et al.
patent: 5144813 (1992-09-01), Orner et al.
patent: 5361596 (1994-11-01), Martin
patent: 5385032 (1995-01-01), Martin et al.

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