Fuel pump

Details Fuel pump Fuel pump

2011-08-30

2011-08-30

Nguyen, Ninh H (Department: 3745)

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Turbine regenerative pump

Reexamination Certificate

active

08007226

ABSTRACT:
A fuel pump includes a rotatable impeller having a plurality of blades and blade ditches on the periphery thereof, a motor section for driving the impeller, and a casing member which accommodates the impeller and has at least one fuel passage along an outer periphery of the impeller. The fuel passage communicates with the blade ditches. Moreover, a radially-inside inner surface of the fuel passage, with respect to an axis of rotation of the impeller, from a centerline on a bottom of the fuel passage to a radially inside edge of the fuel passage is formed as an approximately quadrant curved surface.

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Japanese Office Action dated Feb. 26, 2010, issued in corresponding Japanese Application No. 2006-282122, with English translation.
Chinese Office Action dated Mar. 6, 2009, issued in corresponding Chinese Application No. 200710162647.4, with English translation.

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