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    • 6. 发明授权
    • Diaphragm preload air bearing
    • 隔膜预紧空气轴承
    • US06315450B1
    • 2001-11-13
    • US09241833
    • 1999-02-01
    • Philip J. HipolDavid R. Hill
    • Philip J. HipolDavid R. Hill
    • F16C2708
    • F16C29/002F16C29/025F16C32/0666F16C32/067
    • A preload hydrostatic bearing includes a pad, a diaphragm and an adjustable member. The pad has a bearing structure, an inlet manifold, and a plurality of orifices. The orifices direct a fluid, such as air, from the inlet manifold toward the bearing surface. The diaphragm is mounted on the pad, and the adjustable member, which extends in an axial direction, is coupled proximate one end to a center portion of the diaphragm. The diaphragm transfers a preload in the axial direction to the adjustable member. This preload hydrostatic bearing has a high repeatability of performance, because a single diaphragm replaces prior art mechanical coupling devices, such as ball bearings, conical seats and spring washers, which undesirably are sources of friction and hysteresis.
    • 预压静液压轴承包括垫,隔膜和可调节构件。 垫具有轴承结构,入口歧管和多个孔。 孔口将诸如空气的流体从入口歧管引向支承表面。 隔膜安装在垫上,并且沿轴向方向延伸的可调构件在一端靠近隔膜的中心部分。 隔膜将轴向的预载荷传递到可调节构件。 这种预压静液压轴承具有高性能的重复性,因为单个隔膜取代了现有技术的机械联接装置,例如球轴承,锥形座和弹簧垫圈,这不利地是摩擦和滞后的来源。