Pilot relay
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 18, 2015
Grant Date -
Oct 4, 2012
app pub date -
Mar 28, 2012
filing date -
Mar 30, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A poppet valve assembly is structured divided into a seat portion and a seat retaining portion. A spring is contained within an interior space between the seat portion and the seat retaining portion, where a poppet valve is held between the seat portion and the seat retaining portion in a state biased by the spring. The poppet valve is provided with a through hole for connecting a chamber that contains the spring and a discharge air duct of a spool, and a fine connecting duct for connecting the through hole and an output air pressure chamber. The chamber that contains the spring is separated from a supply air pressure chamber by an O-ring.
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