Patent · US Expired

Control member for a piezo-valve

US6367767B2 · kind B2 · utility

9Cited by

13References

6Claims

0Family size

Assignee

FESTO AG & CO. · US

Inventors

Michael Weinmann · Schorndorf, DE
Michael Jentschke · Esslingen am Neckar, DE
Markus Hoffmann · Wolfschlugen, DE

Key dates

Filing date	Oct 28, 1999
Grant date	Apr 9, 2002
Priority date	—
Expiry date	Oct 28, 2019

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K31/006
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A control member for a piezo-valve having an elongated flexible element, which at one of its two axial ends has a respective sealing face on oppositely placed longitudinal side faces. The two sealing elements are a common component of a sealing body, which possesses a connecting section extending between the two sealing elements and formed integrally with same, such connecting section having an opening of the flexible element extending through it. The two sealing elements overlap the marginal section, delimiting the opening, of the flexible element and in the peripheral part of the opening engage the respectively associated longitudinal side face of the flexible element.

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