Rotary pump with a compact setting structure for adjusting the delivery volume
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United States of America Patent
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Apr 3, 2018
Grant Date -
Jun 23, 2016
app pub date -
Dec 3, 2015
filing date -
Dec 17, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A rotary pump exhibiting an adjustable specific delivery volume, the rotary pump including a housing featuring a delivery chamber for a fluid feed; a delivery rotor in the delivery chamber; a setting structure which surrounds the delivery rotor, a spring exerting a spring force which acts on the setting structure in a first setting direction; a setting pressure chamber for applying a setting pressure of a setting fluid, which acts counter to the spring force in a second setting direction, to the setting structure; and a housing abutment, wherein the setting structure includes: a recess on a circumference; and a counter abutment for the housing abutment in the recess.
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