Patent · US Active

Two-way valve

US10989317B2 · kind B2 · utility

1Cited by

2References

11Claims

0Family size

Assignee

SMC CORPORATION · JP

Inventors

Yoshitada Doi · Ibaraki, JP
Yuzuru Okita · Tsukubamirai, JP
Takamitsu Suzuki · Okazaki, JP
Akinori Nagata · Osaka, JP

Key dates

Filing date	Aug 19, 2019
Grant date	Apr 27, 2021
Priority date	—
Expiry date	Aug 19, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K7/17
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A two-way valve configured to switch between a communication state and a non-communication state of between a primary port and a secondary port includes a valve body having the primary port and the secondary port and containing a valve seat portion therein, a diaphragm valve supported inside the valve body so as to be brought into contact with and separated from the valve seat portion, and a drive mechanism configured to displace the diaphragm valve. The diaphragm valve includes an annular projection facing a flat seat surface of the valve seat portion and an elastic member attached at the back of the annular projection.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.