Gear pump including friction brake ring to generate uniform conveyance flow
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United States of America Patent
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Aug 16, 2016
Grant Date -
Feb 7, 2013
app pub date -
Sep 25, 2012
filing date -
Mar 25, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A gear pump includes a plurality of gear wheels rotatably retained in a pump housing and that engage in one another for the conveyance of a medium. One of the gear wheels is driven by a pump shaft, which can be coupled to a drive by means of a coupling end. To maintain a uniform conveyance flow, in particular with strongly fluctuating operational pressures, during alternating load states, within a single rotation, a brake ring is disposed on the circumference of the pump shaft, which acts with at least one brake surface on a friction surface of the pump shaft or on a friction surface of the pump housing.
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