Chimney for exhaust gas having means for throttling a flow of ex

Details Chimney for exhaust gas having means for throttling a flow of ex Chimney for exhaust gas having means for throttling a flow of ex

1974-11-19

1976-09-07

O'Dea, William F.

Pipes and tubular conduits

Repairing

98 60, 98 78, 138 45, F23L 1708

Patent

active

039787761

ABSTRACT:
The upper end of the chimney supports an outer upwardly converging funnel and an inner coaxial upwardly converging funnel which are movable relative to each other to open and close an auxiliary annular channel for exhaust gas flow. The drive for moving the funnels relative to each other is connected through the wall of the chimney to the inner funnel via support arms.

REFERENCES:
patent: 2703959 (1955-03-01), Wetherbee, Jr.
patent: 2714847 (1955-08-01), Svebel
patent: 2831505 (1958-04-01), Menard
patent: 3502308 (1970-03-01), Simizu

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