Fan casing with cover

Details Fan casing with cover Fan casing with cover

1986-04-11

1988-04-19

Joyce, Harold

Valves and valve actuation

Rotary valves

Ball valve

2511292, 98 4209, F24F 7013

Patent

active

047381906

ABSTRACT:
A fan casing is provided with a cover plate which is mounted on a horizontal shaft above a casing opening for turning between a closed position and an opening position and which is actuated by a solenoid-operated rod provided in the casing.

REFERENCES:
patent: 957776 (1910-05-01), Ilg
patent: 1792514 (1931-02-01), Spear
patent: 3036541 (1962-05-01), Musick et al.
patent: 3484075 (1969-12-01), Weekley
patent: 4556192 (1985-12-01), Ramisch

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