Title: Fuel injection system for an internal combustion engine

Abstract: A fuel injection system for an internal combustion engine comprises a fuel metering means operative to meter and adjust the flow of fuel to the engine in accordance with the operating conditions of the engine, fuel injection nozzles disposed in respective intake ports of engine cylinders, a fuel distributor operative to distribute the metered and adjusted flow of fuel to the respective injection nozzles, an advancer responsive to the increase in the speed of the engine operation to advance the fuel distribution timing of the distributor, and a fuel distribution timing varying means responsive to the variation in the load on the engine to vary the fuel distribution timing of the distributor.

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Inventors: Noguchi, Masaaki (Nagoya, JA)
Sumiyoshi, Masaharu (Toyota, JA)
Tanaka, Taro (Chiryu, JA)
Fujisawa, Hideya (Kariya, JA)

Application Number: 549806
Filing Date: 1975-02-13
Publication_date: 1977-08-23
Assignee: Nippondenso Co., Ltd. (Kariya, JA); Toyota Jidosha Kogyo Kabushiki Kaisha (Toyota, JA)
Primary Class(es): 123/454 123/450, 123/460, 123/463, 123/501
Other Classes:
US Patent Ref:

1597787	Aug, 1926	Hausser	123/139.
2189499	Feb, 1940	Trimmer	123/139.
2483949	Oct, 1949	Washington	123/139.
2986129	May, 1961	Henry-Biabaud	123/32.
3181520	May, 1965	Mock	123/139.
3608533	Sep, 1971	Mennesson	123/32.
3664318	May, 1972	Giuffra	123/139.
3739762	Jun, 1973	Jackson	123/139.
3742925	Jul, 1973	Gordon	123/139.

Other Refs:
Primary Examiner: Dority, Jr., Carroll B.
Assistant Examiner: Cox, Ronald B.
Attorney: Cushman, Darby & Cushman