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:
Jul. 11, 2023

Filed:

Feb. 15, 2022
Applicant:

Ckd Corporation, Komaki, JP;

Inventors:

Shinji Itoh, Komaki, JP;

Shotaro Hatanaka, Komaki, JP;

Yasunari Azuma, Komaki, JP;

Yasunari Ishihara, Komaki, JP;

Assignee:

CKD CORPORATION, Komaki, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/06 (2006.01); F16K 27/06 (2006.01);
U.S. Cl.
CPC ...
F16K 27/065 (2013.01); F16K 31/0644 (2013.01);
Abstract

A solenoid unit of an electromagnetic valve includes a coil, a bobbin, a fixed iron core, a movable iron core, an urging spring, a magnetic frame, and a molded plastic part. The magnetic frame includes a frame end wall, two frame arms, and an internal thread hole, to which the fixed iron core is threaded. A tubular projection protrudes from an end face of the frame end wall that is on a side opposite to the bobbin. The projection forms part of the internal thread hole. The molded plastic part includes a molded end wall, which covers the frame end wall, and a molded peripheral wall. The molded end wall includes a connecting hole that is continuous with the internal thread hole. The connecting hole includes a groove in an inner circumferential surface. The groove extends along an outer circumferential surface of the projection.


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