Damper

Details Damper Damper

1993-09-24

1995-03-21

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

251250, 251299, F16K 120, F16K 3104

Patent

active

053989104

ABSTRACT:
A damper including a motor, a reduction gear train rotatably coupled with the motor, reducing rotation of the motor and transmitting the reduced rotation of the motor to a baffle, a rack meshing with a last-stage gear of the reduction gear train and engaged with the baffle at an eccentric position relative to a pivot of the baffle, and the baffle receiving reciprocation of the rack at the eccentric position relative to the pivot of the baffle and pivoting about the pivot of said baffle so as to open and close.

REFERENCES:
patent: 2629629 (1953-02-01), Etnyre
patent: 4526342 (1985-07-01), Wakefield
patent: 4642998 (1987-02-01), Kang et al.
patent: 4836497 (1989-06-01), Beeson

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