Exhaust system for smokestack

Details Exhaust system for smokestack Exhaust system for smokestack

1978-06-15

1980-11-11

Yuen, Henry C.

Furnaces

With fuel treatment means

Preliminary refuse treatment means

110184, 251212, F23J 1300, F23L 1702

Patent

active

042325951

ABSTRACT:
A smokestack for boilers or the like has an exhaust control system on the top opening of the smokestack to change the size of the orifice through which the gaseous exhaust exits. Structure is provided for automatically adjusting the size of the orifice in response to changing pressure conditions within the smokestack to maintain the orifice at an optimum size for the conditions prevailing at a given time.

REFERENCES:
patent: 2508615 (1950-05-01), Lukes
patent: 2557213 (1951-06-01), Artis
patent: 2608278 (1971-09-01), Greenspan
patent: 2649272 (1953-08-01), Barbato
patent: 2830617 (1958-04-01), Brown
patent: 2934892 (1960-05-01), Harlbert et al.
patent: 3181451 (1965-05-01), Hess
patent: 3706290 (1972-12-01), Holland
patent: 4094492 (1978-06-01), Beeman et al.
patent: 4095514 (1978-06-01), Roy et al.

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