The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 18, 2007

Filed:

Jan. 21, 2005
Applicant:

Kiyotoshi Oi, Anjo, JP;

Inventor:

Kiyotoshi Oi, Anjo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fuel pump includes a rotor, a rotating member, a pump portion, and a housing. The rotating member is rotated by the rotor to generate suction force for drawing fuel. The pump portion includes a pump casing that receives the rotating member. The housing receives the rotor and the pump portion. The housing has an inner circumferential periphery. The pump casing has an outer circumferential periphery. At least one of the inner circumferential periphery of the housing and the outer circumferential periphery of the pump casing has a plurality of protrusions that protrudes in a substantially radial direction. The plurality of protrusions is arranged in a circumferential direction. The plurality of protrusions is press-inserted into at least one of the inner circumferential periphery of the housing and the outer circumferential periphery of the pump casing.


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