| 摘要 |
In a pump or motor assembly having telescoped slidably relatively rotative surfaces whereby one of the members supports the other member for relative rotation and one of the members has passage means for hydraulic pressure fluid. Hydraulic bearing means between the surfaces in communication with the pressure fluid passage have distribution of hydraulic pressure fluid to the bearing means controlled by valve means to improve efficiency of the hydraulic bearing means to counteract off-center forces. In a preferred arrangement the bearing means comprise circumferentially spaced pockets in one of the relatively rotative surfaces, and the valve means control distribution of hydraulic pressure fluid to the pockets by modulating lowered pressure in any of the pockets.
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