Slide gate damper

Details Slide gate damper Slide gate damper

1977-12-27

1980-01-08

Schwadron, Martin P.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Liquid supplied at valve interface

137594, 2411862, 251212, F16K 3316

Patent

active

041823591

ABSTRACT:
A slide gate damper arrangement which works well in large ducts, which are conveying hot, dust laden gases, and which duct has an obstruction extending down through the middle of it, such as a concentric pipe. The slide gate arrangement comprises a pair of gates which traverse the large duct from opposite sides thereof, seating in the middle of the duct. The leading edges of the two gates have a configuration such that they match and seal around the inner pipe.

REFERENCES:
patent: 778591 (1904-12-01), Layne
patent: 860287 (1907-07-01), Flewwelling
patent: 1692302 (1928-11-01), Hessemer
patent: 3547140 (1970-12-01), Hastings et al.
patent: 4044988 (1977-08-01), Arzumanov et al.
patent: 4090534 (1978-05-01), Martin et al.

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