Fuel filter device

Liquid purification or separation – Structural installation – Separator ancillary to storage tank

Reexamination Certificate

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Details

C210S435000, C210S459000, C210S460000, C210S483000, C210S488000, C210S490000, C210S500270

Reexamination Certificate

active

08052868

ABSTRACT:
A fuel filter device includes a bag-shaped filter member and is adapted to be attached to communicate an inner space of the filter member with a fuel suction opening in a fuel tank. The filter member is configured in a multilayer structure. At least one layer of the filter member is configured to serve as an inhibition layer having a structure to prevent water in a fuel tank form coming into the inner space of the filter member by a pressure applied to the filter member when the water is frozen.

REFERENCES:
patent: 4312753 (1982-01-01), Bell
patent: 4874510 (1989-10-01), Akira et al.
patent: 5639367 (1997-06-01), Ohzeki et al.
patent: 2005/0023201 (2005-02-01), Sato
patent: 2000-246026 (2000-09-01), None
patent: 2005-048721 (2005-02-01), None
patent: 2005-147087 (2005-06-01), None

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