Method for varying the duration of a supply stroke of a pump element, and a pump device
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United States of America Patent
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Jun 16, 2015
Grant Date -
Nov 29, 2012
app pub date -
Jan 21, 2011
filing date -
Feb 9, 2010
priority date (Note) -
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Abstract
A pump device is operated according to a method for varying the duration of a supply stroke of a pump element, the supply stroke of which is actuated by a rotatably driven pump shaft (P) over a predetermined rotational position range of the pump shaft. In the method, the pump shaft (P) is rotatably driven by a drive shaft (A) and the angular speed of the pump shaft, at a constant angular speed of the drive shaft, is increased and decreased at least once during one revolution of the pump shaft.
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