Pre-adjustable fueling system for dual fuel engine

Details Pre-adjustable fueling system for dual fuel engine Pre-adjustable fueling system for dual fuel engine

1997-07-14

1998-07-07

Solis, Erick R.

Internal-combustion engines

Charge forming device

Diverse fuel supply

123527, F02B 4300

Patent

active

057753091

ABSTRACT:
A fuel control unit which is formed in a housing such as a load block or carburetor has a passageway with a fuel inlet at one end thereof and a fuel outlet at the other end thereof. A pair of adjusting valves, one for adjusting the amount of fuel flow from a first fuel source such as natural gas and the other for adjusting the amount of fuel flow from a second fuel source such as propane are mounted in the passageway. The valves are positioned to set the sizes of metered passages and are preadjusted to provide the desired fuel flow to provide a proper air to fuel ratio for the fuel from each source. The passageway is alternatively set for proper operation with one or the other fuel sources either by manually positioning a shuttle valve or actuating a solenoid which drives the shuttle valve.

REFERENCES:
patent: 4416244 (1983-11-01), McDonald
patent: 4489699 (1984-12-01), Poehlman
patent: 4535728 (1985-08-01), Batchelor
patent: 4574763 (1986-03-01), Hallberg
patent: 4589397 (1986-05-01), Stankewitsch
patent: 4638783 (1987-01-01), Snyder

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