Valve arrangement
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United States of America Patent
Stats
-
Jan 15, 1985
Issued Date -
N/A
app pub date -
Jan 9, 1984
filing date -
Jul 17, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
'A poppet valve assembly includes a valving element in the form of a freely slidable poppet, a freely slidable pilot piston having an elongated integral pin extending axially toward the poppet, but unconnected thereto, and an integral elongated spear, with a frusto-conical portion, extending axially in the opposite direction. In a spool valve, the spool is the valving element and has the above elements at each opposite end of the spool, namely a pilot piston with an integral pin unconnected to the spool at the inner end of the pilot piston and an integral spear, with a frustro-conical portion at the outer end of the pilot piston'.
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Cited Art Landscape
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