F - Mech Eng,Light,Heat,Weapons – 03 – B
Patent
F - Mech Eng,Light,Heat,Weapons
03
B
F03B 3/06 (2006.01) F03B 3/12 (2006.01) F03B 11/00 (2006.01) F03B 11/06 (2006.01)
Patent
CA 2252603
At a device in a hydraulic machine of the type which comprises a runner or rotor with a hub body (1) and vanes or blades (4) which are rotatably journalled in bearings (7, 8) in the hub body, which has at least one chamber (2) which communicates with the said bearings, first means (20, 22, 23, 24, 25, 27, 28, 29) are provided for the supply of oil to said bearings and other means (18, 19, 37, 38, 39, 40, 41, 42) are provided for leading away oil from said chamber at pace with the supply of oil, such that the chamber is caused to contain an essentially constant volume (35, 35A) of oil, which is smaller than the total volume of the chamber, which oil volume is pressed towards the peripheral wall of the chamber by the centrifugal force at the rotation of the runner.
Cette invention concerne une machine hydraulique du type de celles qui font appel à une roue mobile ou à un rotor possédant un corps de moyeu (1) ainsi que des ailettes ou des pales (4), ces dernières étant montées rotatives par l'intermédiaire de tourillons dans des paliers (7, 8) situés dans ledit corps de moyeu. Ce corps de moyeu comprend au moins une première chambre (2) qui entre en communication avec les paliers. Cette machine hydraulique comprend également un dispositif au niveau duquel se trouvent des premiers systèmes (20, 22, 23, 24, 25, 27, 38, 39) qui vont assurer l'alimentation en huile des paliers, ainsi que des seconds systèmes (18, 19, 37, 38, 39, 40, 41, 42) qui vont évacuer l'huile de la chambre au même rythme que celui de l'alimentation. La chambre va ainsi renfermer un volume d'huile (35, 35A) globalement constant et inférieur à son volume total, ce volume d'huile étant pressé contre la paroi périphérique de la chambre sous l'effet de la force centrifuge lors de la rotation du rotor.
Nilsson Thomas
Thyberg Conny
Kvaerner Turbin Aktiebolag
Ridout & Maybee Llp
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