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.:
Date of Patent:
Jul. 28, 1998
Filed:
Sep. 20, 1996
Applicant:
Inventors:
Hiroyuki Katsuta, Yawara-mura, JP;
Takashi Akimoto, Yawara-mura, JP;
Masamichi Tajima, Yawara-mura, JP;
Assignee:
SMC Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
25112918 ; 13712527 ; 137271 ;
Abstract
In a direct-coupled solenoid valve comprising an armature 27 of a solenoid control segment 3 that directly actuates a valve member 10 that opens and closes the passages between multiple ports, the armature 27 comprises an iron core 27a and a length setting member 27b that jointly set the core length L of the armature 27 to a switchable length according to the valve member 10.