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. 27, 2002

Filed:

Sep. 29, 2000
Applicant:
Inventor:

Takashi Ito, Chiba, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 3/108 ; F16K 2/500 ; F16K 3/144 ;
U.S. Cl.
CPC ...
F16K 3/108 ; F16K 2/500 ; F16K 3/144 ;
Abstract

A pressure variable valve apparatus includes a mover constituted to be embedded in the body and movable linearly in B direction in a main body to change pressure for releasing closure of a valve flow path by a valve element, a fixed magnetic marker provided unmovably to the main body and a variable magnetic marker integrally formed with the mover. Meanwhile, a set pressure detecting apparatus includes a magnetic sensor and a supporter for supporting from outside of the body the magnetic sensor scannably in direction for moving the variable magnetic marker to provide detected output in accordance with positions of the fixed magnetic marker and the movable magnetic marker of the valve apparatus from the magnetic sensor.


Find Patent Forward Citations

Ito, Takashi. (2002). Pressure variable valve apparatus and set pressure detecting apparatus of the valve apparatus (U.S. Patent No. 6439538). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6439538

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

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