Low NOX radiant tube burner and method

Details Low NOX radiant tube burner and method Low NOX radiant tube burner and method

1988-08-26

1989-01-31

Yeung, James C.

Stoves and furnaces

Stoves

Heating

432209, 431351, F24C 300

Patent

active

048008664

ABSTRACT:
The radiant tube burner assembly comprises a radiant tube having a burner leg and an exhaust leg. A plenum for mixing combustion air and products of combustion from the exhaust leg is positioned to direct the resultant mixture into the burner leg. A jet pump for directing high velocity combustion air through a nozzle and along a central longitudinal axis of the plenum aspirates the products of combustion from the exhaust leg through a duct in registry with the plenum and the exhaust leg. A restricted orifice associated with the duct is dimensioned and sized in relation to the jet pump nozzle to control the amount of products of combustion aspirated to the plenum. A conventional fuel source including a fuel pipe and conventional exhaust means also form a part of the assembly.

REFERENCES:
patent: 2188133 (1940-01-01), Hepburn
patent: 4077761 (1978-03-01), Dollinger et al.
patent: 4218211 (1980-08-01), Caplan
patent: 4467779 (1984-08-01), Kreinin et al.
patent: 4601655 (1986-07-01), Riley et al.
patent: 4619604 (1986-10-01), Pickering

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