Flow controlling assembly and method

Details Flow controlling assembly and method Flow controlling assembly and method

2006-11-22

2011-10-11

Ali, Mohammad (Department: 3784)

Refrigeration

Automatic control

Of external fluid or means

C062S408000

Reexamination Certificate

active

08033126

ABSTRACT:
A flow controlling assembly configured to permit air flow between a first chamber and a second chamber. A frame member includes a damper contacting surface at least partially surrounding a frame opening configured to permit the air flow therethrough. A damper plate includes a frame contacting surface configured to contact the damper contacting surface when the damper plate is in a closed position. A hinge assembly is disposed between the frame member and the damper plate. The hinge assembly is configured to permit the damper plate to rotate on a rotational axis relative to the frame member and to permit the rotational axis to translate relative to the frame member.

REFERENCES:
patent: 4248140 (1981-02-01), Hendricks
patent: 4605198 (1986-08-01), Greiner
patent: 6564819 (2003-05-01), Zelczer
patent: 6584790 (2003-07-01), Lopes
patent: 6916240 (2005-07-01), Morton
patent: 2004/0031276 (2004-02-01), Cho et al.

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