Electric motor driven air valve

Details Electric motor driven air valve Electric motor driven air valve

1993-07-22

1994-08-02

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

25112911, 137554, 454334, F16K 3104

Patent

active

053338359

ABSTRACT:
A valve for use in an air distribution system has an inlet member for the axial flow of air therethrough along a central axis. A downstream portion of the inlet tapers outwardly in the downstream direction. Support structure is presented from which an extension projects downstream along the axis of the inlet. A damper for controlling air flow through the inlet defines an aperture penetrated by the support structure extension and a second aperture radially displaced from the first aperture. A motor is attached to the damper and is directly coupled to the support structure extension. The motor selectively positions the damper along the support structure extension between a downstream open position and an upstream closed position.

REFERENCES:
patent: 4082114 (1978-04-01), Hantke et al.
patent: 4775133 (1988-10-01), Ring et al.
patent: 4800804 (1989-01-01), Symington
patent: 4884590 (1989-12-01), Eber et al.

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