Vane cell pump with a sub-vane region to which pressure can be applied
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United States of America Patent
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Apr 28, 2020
Grant Date -
Jan 4, 2018
app pub date -
Jun 28, 2017
filing date -
Jun 30, 2016
priority date (Note) -
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Abstract
A vane cell pump, includes a rotatable rotor having vanes which can be moved back and forth; an end plate with a pressure passage for discharging pressure fluid and a supply passage for supplying a sub-vane region with pressure fluid; a flow channelling device on an end face of the end plate facing axially away from the rotor; a first outlet region for discharging a first partial flow of the pressure fluid; a second outlet region for discharging a second partial flow of the pressure fluid; a first flow path along which the first partial flow flows through the first outlet region; a second flow path connecting the pressure passage to the supply passage, diverges from the first flow path and is delineated by the flow channelling device; and a third flow path connecting the supply passage to the second outlet region and delineated by the flow channelling device.
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