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:
Nov. 19, 2002
Filed:
Feb. 28, 2001
Applicant:
Inventors:
Kouji Hirano, Wako, JP;
Masakazu Kinosita, Wako, JP;
Hisayuki Hashimoto, Wako, JP;
Yasunori Ono, Kiryu, JP;
Yoshiaki Senga, Kiryu, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/502 ; F04B 4/924 ;
U.S. Cl.
CPC ...
F16K 1/502 ; F04B 4/924 ;
Abstract
A relief valve assembly, comprises: a relief valve; a valve housing including a valve path along which the relief valve can slide; a relief inflow portion formed on one end of the valve housing; and relief discharge portions formed at an intermediate location of the valve path of the valve housing and provided with small aperture portions axed large aperture portions formed in communication with one another. A side wherein the relief discharge portions are provided with the small aperture portions is the side near the relief inflow portion.