Priority valve assembly and method for operating a priority valve assembly
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United States of America Patent
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Aug 25, 2015
Grant Date -
Jul 11, 2013
app pub date -
Dec 7, 2012
filing date -
Jun 11, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A priority valve assembly includes a fluid supply line, a first fluid discharge line, and a second fluid discharge line, both of which are to be supplied with fluid via the fluid supply line. A priority valve throttles a fluid flow from the fluid supply line into the second fluid discharge line to prioritize the supply of fluid to the first fluid discharge line over the supply of fluid to the second fluid discharge line if a control parameter which is characteristic for an inlet fluid pressure (pE) in the fluid supply line falls below a first predetermined threshold value (p2). The priority valve reduces the throttling of the fluid flow from the fluid supply line into the second fluid discharge line if the control parameter falls below a second predetermined threshold value (p4) which is smaller than the first predetermined threshold value (p2).
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