05450832 is referenced by 35 patents and cites 9 patents.

A dual fuel system for motor vehicles having an internal combustion engine with electronic fuel injection equipment designed for use with gasoline fuel, wherein a delivery system for an alternate fuel, such as compressed natural gas or the like, is provided. The alternate fuel delivery system comprises a pilot valve regulated by a separate electronic fuel injector connected to the vehicle's electronic control module is also connected on one side of the pilot valve to a pressurized tank of gaseous fuel, and on the other side to the vehicle's throttle body for delivery of the alternate fuel thereto in the proper amounts called for by the vehicle's original electronic control module. The same electronic control module regulates the amount of alternate fuel such as compressed natural gas delivered to the engine when operating on the alternate fuel as well as the amount of gasoline when operating in that mode.

Title
Dual fuel system
Application Number
8/215146
Publication Number
5450832
Application Date
March 21, 1994
Publication Date
September 19, 1995
Inventor
Bruce R Graf
5588 W. 175th St., Tinley Park, 60477
IL, US
Agent
Hill Steadman & Simpson
Assignee
Bruce R Graf
IL, US
IPC
F02M 21/02
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