Damper blade operating mechanism

Details Damper blade operating mechanism Damper blade operating mechanism

1979-12-11

1981-12-08

Weakley, Harold W.

Fluid handling

Destructible or deformable element controlled

Heat destructible or fusible

137601, 49 7, 49 84, F16K 1304

Patent

active

043042481

ABSTRACT:
An assembly comprising a fluid damper with movable blades which is contained in a duct. On the outside of the duct there is a blade release mechanism. A fusible actuating cartridge is arranged to act on the blade release mechanism to release the blades from their normal postions if and when fire breaks out. The cartridge projects through an opening in the duct so as to be readily removable from the duct.

REFERENCES:
patent: 4184288 (1980-01-01), Magill et al.

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