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. 13, 2013

Filed:

May. 12, 2009
Applicants:

Satoshi Kawamura, Tokyo, JP;

Shigenaga Yamasaki, Hyogo, JP;

Sotsuo Miyoshi, Tokyo, JP;

Inventors:

Satoshi Kawamura, Tokyo, JP;

Shigenaga Yamasaki, Hyogo, JP;

Sotsuo Miyoshi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A valve control apparatus sets a certain soft landing start target position to a drive control unit for carrying out driving of a DC motoras a target open position in response to a fully close command, and sets the target open position which the valve control apparatus acquires by gradually decreasing the soft landing start target position to the above-mentioned drive control unit at a time when the difference between an actual open position and the soft landing start target position becomes equal to a first threshold.


Find Patent Forward Citations

Kawamura, Satoshi. (2013). Valve control apparatus and valve apparatus (U.S. Patent No. 8505872). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8505872

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

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