Patent · US Active

Diaphragm valve

US9470322B2 · kind B2 · utility

2Cited by

5References

5Claims

0Family size

Assignee

GEMÜ Gebr. Müller Apparatebau GmbH & Co. Kommanditgesellschaft · DE

Inventors

Kai-Uwe Wolpert · Assamstadt, DE
Jürgen Mayer · Munich, DE

Key dates

Filing date	Jul 2, 2012
Grant date	Oct 18, 2016
Priority date	—
Expiry date	Sep 26, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K27/0236
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A diaphragm valve, in particular for fluid media, includes a valve body, a diaphragm, and a connecting piece which can be actuated by a drive unit to act on the diaphragm, wherein the valve body and the diaphragm are made of plastic. Two mutually independent seals are provided for sealing the fluid medium with respect to the outside, wherein the valve body and the diaphragm are welded to each other, and the diaphragm is mechanically sealed between the drive unit, or an intermediate piece, and the valve body.

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