Method and arrangement for mounting fuel rails

Details Method and arrangement for mounting fuel rails Method and arrangement for mounting fuel rails

1996-01-22

1997-11-04

Miller, Carl S.

Internal-combustion engines

Charge forming device

Fuel injection system

123531, 277 18, F02M 3704

Patent

active

056828594

ABSTRACT:
A mounting arrangement and method for installing fuel injectors into a molded composite intake manifold having an integral fuel rail provides an aligned injector pocket bore in the fuel rail portion and an injector seat bore in an intake manifold runner. The seating bore is oversized to allow the injector to be angled to enable the tip to be advanced into the seat bore, allowing the injector one end to be thereafter swung into alignment with the pocket bore and inserted therein. A seal has an integral tubular portion configured to be fit over the injector tip and within the injector seat bore to be located therein. When the manifold is assembled onto the cylinder head, the seal is squeezed to grip the injector tip and sealed within the injector seat bore.

REFERENCES:
patent: 4240385 (1980-12-01), Kulke
patent: 4516555 (1985-05-01), Shioya
patent: 4861044 (1989-08-01), Jay
patent: 4924834 (1990-05-01), Bonfiglioli et al.
patent: 5009212 (1991-04-01), Bishai
patent: 5054456 (1991-10-01), Rush
patent: 5101800 (1992-04-01), Schumann
patent: 5465699 (1995-11-01), Voigt
patent: 5538258 (1996-07-01), Hager

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