METERING VALVE ARRANGEMENT
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United States of America Patent
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Issued Date -
Mar 1, 2007
app pub date -
Aug 15, 2006
filing date -
Aug 24, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A metering valve arrangement comprises a spool 14 movable within a bore 12, the spool 14 and bore 12 together defining first and second control chambers 22, 32 the first control chamber 22 being supplied, in use, with fluid at a substantially fixed pressure, and a control valve arrangement 36 controlling the fluid pressure applied to the second control chamber 32, the control valve arrangement 36 comprising at least one solenoid operated three port valve 38, 56.
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