Ventilator for refrigerator

Details Ventilator for refrigerator Ventilator for refrigerator

1987-09-08

1988-07-26

Tapolcai, William E.

Refrigeration

Gas controller or director

Cooled gas directed relative to cooled enclosure

1372695, 137341, 1375278, F25D 1704

Patent

active

047591986

ABSTRACT:
A ventilator for a refrigerator which comprises a first frame inserted into a ventilation hole provided in a wall panel of a refrigerator, a second frame inserted into the ventilation hole from the outside of the refrigerator, and a mounting base provided with a valve plate and a valve body. The first and second frames are coupled together with their respective extension portions fitted together. The orientation of mounting of the mounting base in the first frame is varied for using the ventilator either for discharge or for intake of air.

REFERENCES:
patent: 793577 (1905-06-01), Frank
patent: 2589176 (1952-03-01), Wheatley
patent: 3565099 (1971-02-01), Huber
patent: 3952542 (1976-04-01), Berkowitz
patent: 4257445 (1981-03-01), Cook et al.
patent: 4296772 (1981-10-01), Nilsson
patent: 4499917 (1985-02-01), Fujiya

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