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:
Mar. 08, 2005
Filed:
Feb. 28, 2001
Applicants:
Koji Watanabe, Fujisawa, JP;
Takuya Kudo, Fujisawa, JP;
Norio Uemura, Fujisawa, JP;
Inventors:
Assignee:
NOK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K031/02 ;
U.S. Cl.
CPC ...
Abstract
A solenoid improvement has been achieved in terms of abrasion resistance. A fluid accumulating chamber Q is formed substantially coaxially with a plunger chamber P and on the opposite side of a center postthrough the intermediation of the plunger chamber P. On the outer peripheral side of the rod, there is provided a first bearingfor separating the plunger chamber P and the fluid accumulating chamber Q from each other.