Liquid purification or separation – Flow – fluid pressure or material level – responsive – Discharge of treated material
Reexamination Certificate
2011-07-12
2011-07-12
Cecil, Terry K (Department: 1778)
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Discharge of treated material
C210S416400
Reexamination Certificate
active
07976700
ABSTRACT:
A water separation unit includes a water separation portion. The water separation portion includes a component separation wall, a liquid chamber, and a gas chamber. The separation wall divides the water separation portion between the liquid chamber and the gas chamber. Liquid fuel is led to the liquid chamber. The separation wall includes a separation membrane, which water selectively permeates to be separated from liquid fuel in the liquid chamber. Water passing through the separation wall is temporarily stored in the gas chamber. A fuel supply apparatus supplies liquid fuel in a fuel tank to an internal-combustion engine. The apparatus includes the water separation unit. The water separation portion is disposed integrally in one of the fuel tank and a passage leading from a filler opening into the fuel tank, such that the liquid chamber is located above the gas chamber in a vertical direction of the water separation portion.
REFERENCES:
patent: 54-97518 (1979-07-01), None
patent: 63224707 (1988-09-01), None
patent: 64-11608 (1989-01-01), None
patent: 2001-179089 (2001-07-01), None
patent: WO 2004065780 (2004-08-01), None
English Translation of JP 63-224707, filed Sep. 1988.
English Translation of WO 2004065780, filed Aug. 2004.
Arakawa Miyao
Kiyozumi Yoshimichi
Kuroyanagi Masatoshi
Nishijima Yoshiaki
Cecil Terry K
Denso Corporation
Nixon & Vanderhye PC
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