Stoves and furnaces – Hot-air furnaces – Liquid or gaseous fuel
Patent
1989-04-25
1990-02-27
Green, Randall L.
Stoves and furnaces
Hot-air furnaces
Liquid or gaseous fuel
126110C, 126116R, 431 90, 431117, 432222, F24H 300, F24H 100
Patent
active
049036840
ABSTRACT:
An air control assembly for a fuel burner having a combustion chamber and a nozzle includes a control device which controls the amount of air that flows into the burner and an assembly dependent on fuel pressure which actuates the control device. A fuel inlet path is provided for communicating fuel to the nozzle and a fuel return path is provided for communicating excess fuel away from the nozzle. The assembly dependent on fuel pressure includes a piston and rod device adapted for reciprocation in a piston chamber. A nozzle block is provided in which the piston chamber is defined and the nozzle is supported.
REFERENCES:
patent: 3051227 (1962-08-01), Robson
patent: 3076604 (1963-02-01), Robson
patent: 3239960 (1966-03-01), Stevens
patent: 3797989 (1974-03-01), Gordon
patent: 4099488 (1978-07-01), Damon
patent: 4340362 (1982-07-01), Chalupsky et al.
Gruber Thomas J.
Putnat Dale G.
Zajaczkowski Ernest J.
Green Randall L.
Hunter Manufacturing Co.
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