Pollution control device

Details Pollution control device Pollution control device

1983-05-27

1984-12-04

Joyce, Harold

Fluid handling

With repair, tapping, assembly, or disassembly means

Assembling, disassembling, or removing cartridge type valve

49 74, F16K 5100

Patent

active

044858418

ABSTRACT:
A damper assembly for use with the inlet duct of a pollution control system includes a plurality of vanes which are pivotally mounted for movement between an open position and a closed position wherein the vanes coact to close the duct. Each vane is pivotally mounted at one end on a closure plate releasably affixed over an opening sized to permit the vane to be removed therethrough. The vanes also include a hanger member receivable on a trolley rod which may be inserted into a second opening in the duct for supporting the vane after it has been disconnected from its pivot support and as it is being slid through the opening and into and out of position within the duct.

REFERENCES:
patent: 3281113 (1966-10-01), Ahern
patent: 4029002 (1977-06-01), Valdas

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