Fuel delivery rail assembly

Details Fuel delivery rail assembly Fuel delivery rail assembly

2005-03-29

2005-03-29

Miller, Carl S. (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S456000

Reexamination Certificate

active

06871637

ABSTRACT:
A fuel delivery rail assembly for supplying fuel to a plurality of fuel injectors in an engine is provided. The assembly includes an elongate conduit having a longitudinal fuel passage therein, a fuel inlet pipe, and a plurality of sockets. One wall of the conduit opposite to the socket mounting wall includes a flat or arcuate flexible absorbing surface. A high-frequency noise suppressing device such as a binding member is fixed within the conduit for connecting the one wall and the socket mounting wall. The binding member includes is comprised of a pipe, a bar or a rigid block. The binding member may be a body portion of an extending socket terminating with the one wall. Thus, fuel pressure pulsations and shock waves are reduced by bending of the absorbing surface, and emission of high-frequency noise is eliminated.

REFERENCES:
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patent: 5845621 (1998-12-01), Robinson et al.
patent: 6354273 (2002-03-01), Imura et al.
patent: 6615801 (2003-09-01), Zdroik

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