Fuel filter assembly

Details Fuel filter assembly Fuel filter assembly

2008-12-16

2010-10-26

Prince, Fred (Department: 1797)

Liquid purification or separation

Filter

With pump, gas pressure, or suction source

C210S436000, C210S437000, C210S446000

Reexamination Certificate

active

07819258

ABSTRACT:
A fuel filter assembly includes a housing connected between a fuel tank and a high-pressure pump supplying fuel to a common rail injecting the fuel pumped from the fuel tank to an engine through a pipeline; a filter incorporated in the housing to filter impurities in the fuel pumped from the fuel tank; and a center pipe disposed in an inner space of the housing in a longitudinal direction of the housing and substantially enclosed by the filter, wherein bottom portion of the center pipe is spaced from bottom portion of the housing, the center pipe discharging filtered fuel collected in the bottom portion of the center pipe by suction of the high-pressure pump.

REFERENCES:
patent: 1366760 (1921-01-01), Zimmerman
patent: 3239064 (1966-03-01), White
patent: 3262433 (1966-07-01), Jordan
patent: 3871843 (1975-03-01), Leftwich
patent: 4512884 (1985-04-01), Wheatley
patent: 5192430 (1993-03-01), Mohr
patent: 5489384 (1996-02-01), Janik et al.
patent: 6787033 (2004-09-01), Beard et al.
patent: 7194909 (1995-08-01), None
patent: 11002161 (1999-01-01), None
patent: 2006046142 (2006-02-01), None
patent: 1020060034347 (2006-04-01), None
patent: 10-0791818 (2008-01-01), None

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