Fuel control system for a dual fuel internal combustion engine

Details Fuel control system for a dual fuel internal combustion engine Fuel control system for a dual fuel internal combustion engine

2006-06-06

2006-06-06

Wolfe, Jr., Willis R. (Department: 3747)

Internal-combustion engines

Charge forming device

Gaseous fuel and air mixer

C701S103000

Reexamination Certificate

active

07055506

ABSTRACT:
A gaseous fuel control system for regulating fuel flow to a dual fuel internal combustion engine has a phase converter for converting the fuel from a liquid state to a gaseous state and control means for controlling the supply of fuel to the engine in response to sensor signals including a throttle position signal and an alternator signal. A valve actuated by the control means regulates the supply of said fuel in a gaseous state, which is mixed with air in the engine manifold. A display mounted in the vehicle cabin includes a fuel gauge, an override switch and means for adjusting the parameters for the control of supply of fuel. The control means is programmed to close the valve means, preventing the supply of said fuel, when the throttle position is in an idling position or substantially fully open and when the engine is not operating.

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patent: 5623909 (1997-04-01), Wertheimer
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patent: 6269300 (2001-07-01), Moore-McKee et al.
patent: 6523528 (2003-02-01), Wolters
patent: 2003/0188714 (2003-10-01), Yamamoto et al.
patent: 2004/0139951 (2004-07-01), Fisher et al.
patent: 2005/0205021 (2005-09-01), Shute

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