Spool valve
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United States of America Patent
Stats
-
Jun 30, 2015
Grant Date -
Oct 31, 2013
app pub date -
Jan 6, 2012
filing date -
Jan 14, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A spool valve for controlling a twin phaser for coupling a drive member to two driven members and to enable the phase of the two driven members to be varied independently includes a bore operably associated with the twin phaser, fluid channels opening into the bore, and a spool. The spool is received in and is moveable relative to the bore so as to selectively open and close the fluid channels in a predetermined manner, thereby providing a fluid communication between the spool and the twin phaser, and varying a phase of output members relative to an input member. The spool and the fluid channels are configured so that an axial displacement of the spool relative to the bore serves to control a phase of a first output member, and a rotation of the spool relative to the bore serves to control a phase of a second output member.
First Claim
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International Classification(s)
Cited Art Landscape
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