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. 16, 1993
Filed:
Apr. 21, 1992
Applicant:
Inventors:
Takayuki Furuya, Kanagawa, JP;
Fumiyuki Yamaoka, Kanagawa, JP;
Assignee:
Atsugi Unisia Corp., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
1375135 ; 137855 ;
Abstract
A check valve assembly has a seat plate formed with a first opening, a check plate with a valve section defining a second opening, and an orifice plate between the seat plate and the check plate. The orifice plate has a third opening covered by the valve section of the check plate and a fourth opening communicating the second opening in the check plate and with a cutout section connecting the third and fourth openings. The seat plate covers the fourth opening and the cutout section in the orifice plate.