HYDRAULIC MACHINE, IN PARTICULAR HYDRAULIC PRESSURE EXCHANGER
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United States of America Patent
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Issued Date -
Feb 19, 2015
app pub date -
Aug 4, 2014
filing date -
Aug 15, 2013
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Abstract
A hydraulic machine, in particular hydraulic pressure exchanger, is provided comprising a drum rotatable about a rotational axis, a first front plate arrangement at a first front face of said drum, a second front plate arrangement at a second front face of said drum, said drum comprising a plurality of cylinders, said first front plate arrangement comprising a first front plate and a pressure shoe (8), said first front plate comprising at least a high pressure supply port. Such a pressure exchanger should have a simple construction. To this end the pressure shoe (8) comprises at least a pressure cylinder (14), said pressure cylinder (14) opening to said first front plate, a piston (17) being arranged in said pressure cylinder (14), said pressure cylinder (14) being in fluid contact with said high pressure supply port.
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