Fuel supply apparatus

Details Fuel supply apparatus Fuel supply apparatus

1999-02-12

2000-11-28

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

Fuel injection system

123458, F02M 3304

Patent

active

061521108

ABSTRACT:
A fuel supply apparatus includes: a high-pressure pump driven by an engine and ejecting high-pressure fuel; a delivery pipe storing the high-pressure fuel ejected from the high-pressure pump in a pressurized state; and a high-pressure regulator having a valve and a valve seat, and adjusting the fuel pressure in one of the high-pressure pump and the delivery pipe. At least one of abutment surfaces of the valve and the valve seat is set to have a hardness of Hv800 or more.

REFERENCES:
patent: 4539959 (1985-09-01), Williams
patent: 4902359 (1990-02-01), Takeuchi et al.
patent: 5035223 (1991-07-01), Watanabe
patent: 5749345 (1998-05-01), Treml

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