Filter device utilizing returned fuel to prolong filter life

Details Filter device utilizing returned fuel to prolong filter life Filter device utilizing returned fuel to prolong filter life

2011-06-21

2011-06-21

Popovics, Robert James (Department: 1776)

Liquid purification or separation

Structural installation

Separator ancillary to storage tank

C210S416400, C123S509000

Reexamination Certificate

active

07964096

ABSTRACT:
A filter device includes a first connection part1adapted to be connected to a fuel pump; a second connection part21adapted to be connected to a path for a returned portion of fuel; and a filter member3having an inner space30communicating with an inlet port10of the first connection part1and an outlet port20of the second connection part2. A tubular member22has a leading edge22aformed with the outlet port20of the second connection part2. The leading edge22aof the tubular member22is opened to be disposed in the inlet port10of the first connection part1so as to have a gap between an outer peripheral surface22bof the tubular member22and an opening edge10aof the inlet port10of the first connection part1.

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