Hydraulic machine, an energy conversion installation including such a machine, and the use of a hydrostatic labyrinth-bearing in such a machine
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United States of America Patent
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Nov 11, 2014
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app pub date -
Dec 24, 2008
filing date -
Dec 28, 2007
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Abstract
This hydraulic machine (1) has a wheel (2) mounted to move in rotation relative to a stationary structure (9) and about a stationary axis of rotation (X2), the wheel (2) being designed to pass a forced flow (E) of water therethrough. A hydrostatic bearing (100), provided between firstly an element (111) constrained to rotate with the wheel (2) and, secondly a portion (91) of the stationary structure (9), is disposed between a first zone (Z1) of the machine, which zone is in fluid communication with the forced flow (E) and in which zone, during operation, a pressure prevails that is similar to the pressure of the forced flow, and a second zone (Z2) of the machine that is isolated from the forced flow by said bearing.
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