Accumulation type fuel injection system

Details Accumulation type fuel injection system Accumulation type fuel injection system

2005-02-01

2005-02-01

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S1980DB

Reexamination Certificate

active

06848424

ABSTRACT:
A common rail of an accumulation type fuel injection system has a common rail main body, distributing portions and accessory portions. The common rail main body provides an accumulation chamber for accumulating high-pressure fuel discharged from a high-pressure supply pump. The distributing portion can be connected with a pressure introduction pipe for introducing the accumulated high-pressure fuel to an injector mounted to a cylinder. The accessory portion is disposed on a fuel outlet side of the distributing portion and is connected with the distributing portion and the high-pressure pipe in thread connection. The accessory portion has a sealing member between the accessory portion and a connection object on the distributing portion side. The sealing member has a sealing surface formed substantially in the shape of a spherical surface on the connection object side.

REFERENCES:
patent: 4539959 (1985-09-01), Williams
patent: 5577479 (1996-11-01), Popp
patent: 5692476 (1997-12-01), Egler et al.
patent: 5775302 (1998-07-01), Guido et al.
patent: 5957507 (1999-09-01), Asada
patent: 6357415 (2002-03-01), Mori
patent: 20030217726 (2003-11-01), Kennedy et al.

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