Fuel supply systems

Details Fuel supply systems Fuel supply systems

1976-02-26

1977-07-05

Favors, Edward G.

Combustion

Timer, programmer, retarder or condition responsive control

By condition of burner feed or feed means

137 98, 431 12, F23H 300

Patent

active

040337120

ABSTRACT:
A combustion apparatus has an exhaust system, a fuel-supply system, and an air-supply system. The ratio of fuel-to-air supplied to the apparatus is adjustable in either direction in response to control information. A temperature signal is developed which has a value proportional to the combustion-produced temperature. A first sample of that temperature signal selected during a first time interval is compared with a second sample of the temperature signal developed during a later time interval. The comparison serves to produce the control information that causes adjustment of the fuel-to-air ratio in the direction seeking a maximum of combustion-produced temperature. Digital logic circuitry is specifically utilized for the purpose of producing the desired control information.

REFERENCES:
patent: 3236449 (1966-02-01), Brunner
patent: 3592574 (1971-07-01), Zenkner
patent: 3602487 (1971-08-01), Johnson
patent: 3797989 (1974-03-01), Gordon
patent: 3973898 (1976-08-01), Seider

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