Fluid control element
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 16, 2002
Grant Date -
Nov 15, 2001
app pub date -
Jul 23, 2001
filing date -
Dec 23, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluid control element comprises a housing in which two control chambers are formed, which are isolated from each other and comprise a working port each as well as two pressure ports. Two of these ports are provided with a sealing seat each. The fluid control element further comprises a switching element movably mounted in said housing and comprising a sealing part in each control chamber. The sealing part cooperates with the sealing seats such that these are opened or closed. The fluid control element further comprises an actuating member for the switching element, the actuating member being able to bring the switching element into three positions.
First Claim
Family
International Classification(s)
Cited Art Landscape
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