Fluid bearing

Details Fluid bearing Fluid bearing

B - Operations, Transporting

60

V

214/64, 308/1.2

B60V 1/00 (2006.01) B60V 3/02 (2006.01)

Patent

CA 1175469

ABSTRACT OF THE DISCLOSURE A fluid bearing with a multicomponent membrane which is inflated to form a torus defining a plenum chamber. The preferred three layer membrane has a fluid impermeable inner layer, a middle layer of a dimensionally stable fabric, and an abrasion resistant outer layer. The layers may be replaced independently. A number of different mechanisms for attaching the layers to the load- carrying member of the bearing are shown, and different membranes having different lift heights may be used with a single load- carrying member. In one embodiment one of a series of interchangeable metal rings of different diameters used with the middle layer of the membrane may be selected to control the lift height. The bearing also includes a replaceable orifice plate which controls the rate of flow into the plenum chamber and into and out of the torus membrane. A valve operates during the usual gradual start up to block flow of fluid to the plenum until the pressure in the torus membrane is one or two p.s.i. above atmospheric.

395130

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