Fuel supply device for an internal combustion engine

Details Fuel supply device for an internal combustion engine Fuel supply device for an internal combustion engine

1986-05-14

1987-12-08

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123496, 123506, 123446, F02M 3900

Patent

active

047112166

ABSTRACT:
A fuel supply device in which a regulator pressurizes fuel fed to a fuel injector to adjust the fuel to a predetermined pressure according to an engine condition. The regulator has a piston in a housing to form a control chamber and a high pressure chamber therein. The high pressure chamber is communicated with the fuel injector and a pump chamber of a high pressure pump discharging a highly pressurized fuel. The control chamber is connected to a pressure source generating a high pressure according to an engine condition. The piston moves in response to the pressure in the control chamber to pressurize the fuel in the high pressure chamber.

REFERENCES:
patent: 3810453 (1974-05-01), Wolfe
patent: 4029071 (1977-06-01), Saito
patent: 4409939 (1983-10-01), Eheim
patent: 4469069 (1984-09-01), Kuroyanagi et al.
patent: 4572136 (1986-02-01), Takeuchi et al.
U.S. Patent Application Ser. No. 650719 filed Sep. 14, 1984.

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