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:
May. 08, 1979
Filed:
Sep. 30, 1977
Masami Yamazaki, Toyota, JP;
Masahisa Ando, Aichi, JP;
Abstract
A composite valve made of a first dish-like member having an open face and concaved portions defining diaphragm chambers, a second dish-like member having an open face and concaved portions defining complex passages, an intermediate member having opposite open faces opposing the open faces of the first and second dish-like members and complex partitions defining bearing portions and complex passages, a diaphragm element interposed between the first dish-like member and the intermediate member, valve elements slidably mounted in the bearing portion and connected to the diaphragm element, and valve seat elements interposed between the second dish-like element and the intermediate member and providing valve seats.