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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.

Patent No.:

US 10883499 B1

PDFFull Text
Expired
Date of Patent:
Jan. 05, 2021

Filed:

Jan. 19, 2016

Fuel pump including a protruding portion and connecting an inner gear and a rotary shaft

Applicant:

Denso Corporation, Kariya, JP;

Inventors:

Hiromi Sakai, Kariya, JP;

Daiji Furuhashi, Kariya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:

Nixon & Vanderhye P.C.

Primary Examiner:

Theresa Trieu

Int. Cl.
CPC ...
F03C 2/00 (2006.01); F03C 4/00 (2006.01); F04C 2/00 (2006.01); F04C 18/00 (2006.01); F04C 15/00 (2006.01); F04C 2/10 (2006.01); F04C 2/08 (2006.01); F04C 13/00 (2006.01);
U.S. Cl.
CPC ...
F04C 15/0061 (2013.01); F04C 2/084 (2013.01); F04C 2/102 (2013.01); F04C 15/008 (2013.01); F04C 15/0073 (2013.01); F04C 13/001 (2013.01); F04C 2210/1044 (2013.01); F04C 2230/603 (2013.01); F04C 2240/30 (2013.01); F04C 2240/40 (2013.01); F04C 2240/60 (2013.01);
Abstract

An outer gear and an inner gear expand and contract volume of pump chambers formed between both the gears, and rotate to suction fuel into the pump chambers and then discharge fuel from the pump chambers sequentially. The inner gear includes an insertion hole that is depressed along its axial direction. A joint member includes a main body portion that is fitted to a rotary shaft, a foot portion that extends from the main body portion along the axial direction and is inserted in the insertion hole with a clearance therebetween, and a protruding portion that protrudes from the foot portion toward a rotation progress side of the inner gear and has its width in the axial direction further narrowed toward a top portion of the protruding portion.

Find Patent Forward Citations

Sakai, Hiromi. (2021). Fuel pump including a protruding portion and connecting an inner gear and a rotary shaft (U.S. Patent No. 10883499). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10883499

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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