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:
Aug. 26, 2025

Filed:

Mar. 17, 2022
Applicant:

Kyb Corporation, Tokyo, JP;

Inventor:

Tatsuo Ito, Kanagawa, JP;

Assignee:

KYB CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/40 (2006.01); F16K 17/02 (2006.01);
U.S. Cl.
CPC ...
F16K 31/406 (2013.01); F16K 17/02 (2013.01);
Abstract

A solenoid relief valve system includes: a solenoid relief valve; and a control unit; wherein the control unit has a dither generating unit configured to generate the dither on a plunger by applying a first dither signal or a second dither signal having different amplitude or frequency from the first dither signal to current to be supplied to a coil, and wherein the dither generating unit is configured to apply the first dither signal to the current to be supplied to the coil during adjustment of a setting pressure, by which the current to be supplied to the coil is caused to be changed, and configured to apply the second dither signal to the current to be supplied to the coil in a state in which the adjustment of the setting pressure is not performed.


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