Fan housing assembly

Details Fan housing assembly Fan housing assembly

1977-01-28

1978-02-14

Croyle, Carlton R.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Access opening through portion of casing or cover

415206, 415219C, 98114, F04D 2962, F24F 1308

Patent

active

040735974

ABSTRACT:
A fan housing assembly for an exhaust fan is provided with an orifice pan which can be securely but removably snapped in place to close an open face of the fan housing and provide a means of supporting a ventilating grille.

REFERENCES:
patent: 1815346 (1931-07-01), Covell
patent: 2005408 (1935-06-01), Allin
patent: 2015210 (1935-09-01), Witzel
patent: 2710717 (1955-06-01), Palmer
patent: 3561906 (1971-02-01), Fermer
patent: 3725640 (1973-04-01), Kunz
patent: 3930818 (1976-01-01), McDougall
patent: 3960527 (1976-06-01), Goettl

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