Valve cartridge
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United States of America Patent
Stats
-
Jul 29, 1997
Issued Date -
N/A
app pub date -
Mar 13, 1995
filing date -
Mar 11, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electromagnetic pilot valve cartridge which is directly mountable on a pilot pressure activated directional valve and which has a valve barrel for interconnection with a socket portion of a directional valve housing. The valve barrel has laterally disposed fluid communication openings respectively coupled to a pressure fluid passage and a drain passage in the directional valve housing. A pilot flow opening is disposed at an end portion of the valve barrel and is separated from the laterally disposed fluid communication openings by a seal ring, and a flow restricting device is associated with the pilot flow opening. The flow restricting device includes an end cap mounted on the end portion of the valve barrel and a flow restricting opening and an annular shoulder for axially supporting the seal ring.
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