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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 12196164 B1

PDFFull Text
Date of Patent:
Jan. 14, 2025

Filed:

Dec. 21, 2022

High-pressure pump

Applicant:

Denso Corporation, Kariya, JP;

Inventors:

Takayuki Ishihara, Kariya, JP;

Tatsurou Koga, Kariya, JP;

Yasuhiro Sawada, Kariya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:

Nixon & Vanderhye P.C.

Primary Examiner:

Peter J Bertheaud

Int. Cl.
CPC ...
F02M 59/46 (2006.01); F02M 59/02 (2006.01); F02M 59/10 (2006.01); F02M 59/36 (2006.01); F02M 59/44 (2006.01); F02M 59/48 (2006.01); F04B 1/0452 (2020.01); F04B 7/00 (2006.01); F04B 19/22 (2006.01); F04B 49/22 (2006.01); F04B 53/10 (2006.01); F04B 53/16 (2006.01); F16K 31/06 (2006.01);
U.S. Cl.
CPC ...
F02M 59/466 (2013.01); F02M 59/02 (2013.01); F02M 59/102 (2013.01); F02M 59/366 (2013.01); F02M 59/368 (2013.01); F02M 59/44 (2013.01); F02M 59/46 (2013.01); F02M 59/462 (2013.01); F02M 59/48 (2013.01); F04B 1/0452 (2013.01); F04B 7/0076 (2013.01); F04B 19/22 (2013.01); F04B 49/22 (2013.01); F04B 53/10 (2013.01); F04B 53/1087 (2013.01); F04B 53/16 (2013.01); F16K 31/0675 (2013.01);
Abstract

A high-pressure pump includes a valve member that allows or blocks a flow of fuel to a pressure chamber. A needle is reciprocable inside a cylinder member. One end of the needle facing the pressure chamber is provided with the valve member. Another end of the needle is provided with a movable core that faces a fixed core in an axial direction of the needle. The high-pressure pump includes a coil assembly that includes a coil, a terminal connected to the coil, and first and second yokes that form a magnetic circuit on both sides of the coil in the axial direction. The coil assembly is between a first connection portion and a second connection portion. The first connection portion connects the coil assembly and the fixed core. The second connection portion connects the coil assembly and the cylinder member.

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