Control arrangement for a damper

Details Control arrangement for a damper Control arrangement for a damper

1979-07-13

1980-12-09

Cohan, Alan

Fluid handling

Systems

Programmer or timer

251 30, 251134, F16K 3102

Patent

active

042379326

ABSTRACT:
A damper control arrangement wherein a damper blade opens and closes a flow-through orifice in response to selective moving means, the selective moving means moving the damper blade a preselected distance from the orifice opening to vary the opening of the orifice for a predetermined period of time prior to moving the damper blade to a fully open position.

REFERENCES:
patent: 3898997 (1975-08-01), Kelley

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