VARIABLE PUMP FOR AN INTERNAL COMBUSTION ENGINE
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United States of America Patent
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Oct 20, 2016
app pub date -
Nov 20, 2014
filing date -
Nov 20, 2014
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Abstract
A variable pump for an internal combustion engine incudes a drive wheel, a drive shaft configured to be driven via the drive wheel, a coupling pump impeller comprising pump blades, a coupling turbine wheel comprising turbine blades arranged axially opposite to the pump blades, and an impeller which is fixedly connected with the coupling turbine wheel. The coupling pump impeller is arranged to be rotationally fixed on the drive shaft. The coupling turbine wheel is configured to rotate on the drive shaft. The coupling pump impeller is arranged so as to be axially displaceable with respect to the coupling turbine wheel.
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