Supplemental gaseous fuel system for a diesel engine

Details Supplemental gaseous fuel system for a diesel engine Supplemental gaseous fuel system for a diesel engine

1993-03-12

1994-10-18

Cross, E. Rollins

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

Having a single combustible mixture inlet combined with...

123 27GE, 123526, 123527, F02B 700

Patent

active

053558545

ABSTRACT:
A supplemental gaseous fuel system is provided for retrofit to an existing diesel engine having a conventional load sensitive speed control. The supplemental gaseous fuel system operates independently of the load sensitive speed control thus enabling the diesel fuel supply system to rapidly react to load transients. A control system senses a physical position of an actuator mechanism in the diesel fuel injector pump and opens and closes a buffer valve in response to predetermined positions of the actuator. In normal operation of the engine, variations (increases) in engine load are initially corrected for by an immediate but momentary increase in diesel fuel to the engine. However, as soon as the engine has responded to the increase in diesel fuel and increased its rate of combustion, the gas flow to the engine is increased and causes the diesel fuel actuator to approach a minimum fuel setting.

REFERENCES:
patent: 3540419 (1970-11-01), Fox
patent: 3753424 (1973-08-01), Haidvogel
patent: 4463734 (1984-08-01), Akeroyd
patent: 4517928 (1985-05-01), Wolters
patent: 4597364 (1986-07-01), Young
patent: 4603674 (1986-06-01), Tanaka
patent: 4817568 (1989-04-01), Bedford
patent: 5140959 (1992-08-01), Durbin
patent: 5224457 (1993-07-01), Arsenault et al.

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