Burner assembly with gate valve damper

Details Burner assembly with gate valve damper Burner assembly with gate valve damper

2005-05-03

2005-05-03

Gravini, Stephen (Department: 3749)

Combustion

Fuel disperser installed in furnace

C431S266000, C431S353000

Reexamination Certificate

active

06887073

ABSTRACT:
A damper for a burner includes a gate plate that moves generally parallel to the inlet of a blower housing of the burner. The gate plate rotates parallel to the inlet and is sized and positioned so that it can rotate between a position completely covering the inlet and a position leaving the inlet completely uncovered. A seal assembly between the gate plate and the inlet substantially seals a gap between the gate plate and the inlet. An actuator moves the gate plate automatically to close the damper or open the damper to any of a plurality of open damper positions.

REFERENCES:
patent: 3144244 (1964-08-01), Hunter
patent: 4225392 (1980-09-01), Taylor
patent: 5494437 (1996-02-01), Kubota
patent: 5863192 (1999-01-01), Motegi
patent: 5873919 (1999-02-01), Vross et al.
patent: 5899680 (1999-05-01), Motegi
patent: 5934898 (1999-08-01), Fayerman
patent: 5975887 (1999-11-01), Kamal
patent: 6050809 (2000-04-01), Fayerman
patent: 6267586 (2001-07-01), Maricic
patent: 6485293 (2002-11-01), Li
patent: 6544031 (2003-04-01), Li

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