Adjustable sleeve damper assembly for a coal-fired furnace

Details Adjustable sleeve damper assembly for a coal-fired furnace Adjustable sleeve damper assembly for a coal-fired furnace

1996-02-06

1998-04-14

Lazarus, Ira S.

Furnaces

Draft regulators

Damper

110260, 110261, 110263, 110265, 25112911, F23L 900, F23L 300

Patent

active

057380210

ABSTRACT:
An air damper assembly for a coal-fired furnace in which a damper sleeve extends between two spaced walls adjacent the furnace in a manner to define an air inlet. A threaded support member is connected to the damper, and a threaded shaft is in threaded engagement with the support member. Rotation of the shaft causes corresponding movement of the support member, and therefore the damper, to vary the size of the opening and therefore the amount of air introduced into the furnace.

REFERENCES:
patent: 1165835 (1915-12-01), Birkholz
patent: 1938458 (1933-07-01), McFarlane
patent: 1938460 (1933-07-01), Muff
patent: 1995934 (1935-03-01), Mangold
patent: 2056410 (1936-10-01), Schaaf
patent: 2271587 (1942-02-01), Haynes
patent: 2480547 (1949-08-01), Caracristi
patent: 2485656 (1949-10-01), Raskin
patent: 2838103 (1958-06-01), Voorheis
patent: 2889871 (1959-06-01), Voorheis
patent: 3391981 (1968-07-01), Voorheis et al.
patent: 3580238 (1971-05-01), Diehl
patent: 4400151 (1983-08-01), Vatsky

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