Weir control of fuel level in a fuel rail tube for reducing the

Details Weir control of fuel level in a fuel rail tube for reducing the Weir control of fuel level in a fuel rail tube for reducing the

1994-01-25

1994-12-13

Miller, Carl S.

Internal-combustion engines

Charge forming device

Fuel injection system

123456, F02M 5502

Patent

active

053721136

ABSTRACT:
Sockets of a fuel rail assembly having bottom-feed fuel injectors communicate with a main fuel tube that serves all fuel injectors by means of holes in the sockets' sidewalls proximate the top of the main fuel tube. Below these holes, each socket is imperforate so as to dam the main fuel tube whereby the lowest level of any hole defines a weir level for fuel in the main fuel tube. If the lower seal between any fuel injector and its socket is compromised while the fuel is unpressurized, the fuel below the weir level will not drain out of the main fuel tube.

REFERENCES:
patent: 4334512 (1982-06-01), Biernath
patent: 4860710 (1989-08-01), Hafner
patent: 5058554 (1991-10-01), Takeda
patent: 5058555 (1991-10-01), Haboush
patent: 5070844 (1991-12-01), Daly
patent: 5080070 (1992-01-01), Hafner
patent: 5090385 (1992-02-01), Usui

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