Distribution casing device for a hydraulic machine
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United States of America Patent
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Oct 15, 2019
Grant Date -
Feb 4, 2016
app pub date -
Jul 30, 2015
filing date -
Jul 31, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The device comprises a casing portion that has an open axial end and that has two main holes, respectively for fluid feed and for fluid discharge. Said holes open out in an inside axial face of the casing portion, respectively via a first main orifice and via a second main orifice that are disposed in succession in the direction going away from the open axial end. The inside axial face has first, second, and third sealing inside bearing surface arrangements, respectively situated between the open axial end and the first main orifice, between the two main orifices, and beyond the second main orifice. At least two of the three arrangements are staggered inside arrangements, each of which comprises two axial bearing surfaces that are staggered relative to each other, and that are separated by a shoulder facing towards the open axial end.
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