Internal-combustion engines – Charge forming device – With fuel pump
Patent
1983-09-16
1985-10-15
Miller, Carl Stuart
Internal-combustion engines
Charge forming device
With fuel pump
123458, 123494, F02M 3900
Patent
active
045467498
ABSTRACT:
In a fuel injection apparatus for an internal combustion engine, the fuel injection is ended by a spill mechanism provided in a spill passage communicating with a pumping chamber. A piston opening and closing the spill passage is a free piston, and a solenoid valve to open and close a cylinder in which the free piston is disposed, is also provided. As the solenoid valve closes the cylinder, the free piston closes the spill passage, thus enabling the fuel feed to the fuel injection valve. When the solenoid valve opens the cylinder, the free piston opens the spill passage. Thus, the fuel flows through the spill passage to the fuel reservoir.
REFERENCES:
patent: 3827409 (1974-08-01), O'Neill
patent: 3880131 (1975-04-01), Twaddell et al.
patent: 4199977 (1980-04-01), Hilpert
patent: 4351283 (1982-09-01), Ament
patent: 4395987 (1983-08-01), Kobayashi
patent: 4406267 (1983-09-01), Sharma
patent: 4412519 (1983-11-01), Hoch
patent: 4480619 (1984-11-01), Igashira
patent: 4505240 (1985-03-01), Shinoda
Abe Seiko
Igashira Toshihiko
Koide Hiroshi
Sakakibara Yasuyuki
Shinoda Kazuo
Miller Carl Stuart
Nippon Soken Inc.
Toyota Jidosha & Kabushiki Kaisha
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