Fuel supply system for internal combustion engine

Details Fuel supply system for internal combustion engine Fuel supply system for internal combustion engine

1995-08-07

1997-02-18

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

Fuel injection system

123510, F02M 3720, F02M 4100

Patent

active

056033028

ABSTRACT:
A simple and compact fuel supply system which prevents generation of fuel vapor in a delivery pipe of an engine includes a check valve is disposed at a down stream portion of a fuel pressure relieving member or a fuel pressure regulator to seal the fuel delivery pipe when the engine stops so that the pressure in the delivery pipe increases as fuel vapor is generated and, consequently, generation of the fuel vapor is automatically suppressed. Transmission of a pressure wave from the delivery pipe caused while injectors are operating is prevented by the check valve so that harsh noise, which is otherwise caused by resonant vibration of fuel supply pipes and related members, is suppressed.

REFERENCES:
patent: 5263459 (1993-11-01), Talaski
patent: 5327872 (1994-07-01), Morikawa
patent: 5329899 (1994-07-01), Sawert et al.
patent: 5359976 (1994-11-01), Nakashima et al.
patent: 5361742 (1994-11-01), Briggs et al.
patent: 5365906 (1994-11-01), Deweedt
patent: 5373824 (1994-12-01), Peters et al.
patent: 5398655 (1995-03-01), Tuckey
patent: 5421306 (1995-06-01), Talaski

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