Gearbox Hydraulic Circuit
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United States of America Patent
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Issued Date -
May 21, 2015
app pub date -
Jun 17, 2013
filing date -
Jun 19, 2012
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A gearbox hydraulic circuit includes a hydraulic pump connected to a fluid reservoir to generate a flow of pressurised fluid. A pressure circuit connected to the hydraulic pump conveys the flow of pressurised fluid. A pressure control valve disposed in the pressure circuit between the first line and the second line of the pressure circuit maintains the pressure of the pressurised fluid in the first line. A shunt connected to the pressure circuit is operable to route the flow of pressurised fluid from the first line to the second line to reduce the pressure in the first line.
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