Refrigeration – Gas controller or director – Gas forcing means – e.g. – cooler unit
Reexamination Certificate
2007-04-17
2007-04-17
Tapolcai, William E. (Department: 3744)
Refrigeration
Gas controller or director
Gas forcing means, e.g., cooler unit
C062S507000, C055S357000
Reexamination Certificate
active
11063904
ABSTRACT:
An upright refrigerator including a cabinet having in a lower position a compartment housing the usual compressor of the appliance refrigeration circuit. The compartment having an aperture at the rear in proximity to a rear wall of the cabinet and the cabinet comprising side walls having portions projecting from the bottom wall of the compartment supporting the compressor towards a surface on which the refrigerator rests. The cabinet having a cavity defined by the side walls of the cavity and the lower wall of the cabinet, between the lower wall and the bottom wall of the compartment there is a lower aperture below the usual door of the refrigerator, the lower aperture communicating with the aperture of the compartment. A filter member is removably positioned in the cavity to retain the impurities present in the air entering from the aperture of the lower wall of the cabinet and directed towards its rear aperture.
REFERENCES:
patent: 2197120 (1940-04-01), Bergmann
patent: 2580535 (1952-01-01), Emanuel
patent: 2811840 (1957-11-01), Thompson
patent: 4047393 (1977-09-01), Hanson et al.
patent: 5026562 (1993-02-01), None
patent: 2001/272158 (2001-10-01), None
patent: 9508087 (1995-03-01), None
Sessa Luigi
Zambon Marco
Colligan John F.
Krefman Stephen
Rice Robert O.
Tapolcai William E.
Whirlpool Corporation
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