Fluid Film Bearings

Martin, James Keith and Parkins, David Walter (1995). Fluid Film Bearings. BTG International Ltd, WO9529346.

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A hydrodynamic fluid film bearing in which a plurality of circumferentially spaced bearing elements are provided, defining areas of support for the rotating part of the bearing. At least some of the bearing elements are adjustable during operation to vary lubrication conditions in the fluid film. The bearing elements are of sufficiently high stiffness that the position of the entire bearing surface of each element is essentially independent of the pressure in the fluid film encountered during operation. The bearing allows complete control of the lubrication conditions and can be adjusted for optimum performance over a wide range of speed and load.

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