Patent · US Active

Pilot controlled pulse valve

US7637281B2 · kind B2 · utility

6Cited by

14References

24Claims

0Family size

Assignee

Festo AG & Co. KG · DE

Inventors

Falk Rapke · Tübingen, DE
Grzegorz Bogdanowicz · Esslingen am Neckar, DE

Key dates

Filing date	Aug 11, 2006
Grant date	Dec 29, 2009
Priority date	—
Expiry date	Jul 24, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/8663
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A pilot controlled pulse valve has a valve spool releasably held in both terminal positions by a latching device. The latching device comprise a permanent magnet holding the valve spool by magnetic force. To set the terminal or end position the permanent magnet has an abutment placed to the fore of it. In order to protect the permanent magnet against damage the abutment bears against the valve housing independently of the permanent magnet.

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