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Novel tilting pad radial gas bearing

A gas bearing, a new type of technology, applied in the directions of bearings, shafts and bearings, sliding contact bearings, etc., can solve the problems of poor stability of the rotor system, and achieve the effect of improving the bearing capacity, improving the damping, and improving the overall rigidity

Active Publication Date: 2015-05-27
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the existence of cross stiffness, the foil gas bearing makes the rotor system supported by it less stable

Method used

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  • Novel tilting pad radial gas bearing
  • Novel tilting pad radial gas bearing
  • Novel tilting pad radial gas bearing

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Embodiment Construction

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. However, it can be understood that the following specific embodiments are only preferred technical solutions of the present invention, and should not be construed as limiting the present invention.

[0025] Such as figure 1 As shown, a new type of tilting pad radial gas bearing includes: a bearing body 1, an elastic pad surface support structure and a top foil 4, and the elastic pad surface support structure is composed of a metal rubber block 2 and an elastic foil 3, The elastic tile support structure is arranged on the tile surface of the bearing body 1, the top layer foil 4 is covered on the metal rubber block 2 and the elastic foil 3, and the elastic tile surface support structure and the top layer foil 4 are formed together The elastic pad surface of the bearing.

[0026] Such as image 3 As shown, the pads and flexible beams of...

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Abstract

The invention discloses a novel tilting pad radial gas bearing which comprises a bearing body, an elastic tilting surface supporting structure and a top foil, wherein the elastic tilting surface supporting structure consists of metal rubber blocks and an elastic foil and is arranged on the tilting surface of the bearing body; the top foil covers the metal rubber blocks and the elastic foil; the pad of the bearing body and a bearing housing are of an integral structure; the pad of the bearing body is connected with the bearing housing by virtue of a flexible beam; and grooves are formed in two ends of the pad. A wave-shaped bulge is formed on the elastic foil, and a rectangular strip-shaped foil is reserved in one end of the bulge; the elastic foil is arranged in the middle of the pad of the bearing body; one end of the reserved rectangular strip-shaped foil is fixed on the tilting surface, and the other end of the reserved rectangular strip-shaped foil is freely arranged; and the metal rubber blocks are arranged in the grooves in two ends of the pad. The tilting pad radial gas bearing provided by the invention has the characteristics of high bearing capacity, high rigidity, high damping property and high stability.

Description

technical field [0001] The invention relates to the technical field of air bearings, in particular to a novel tilting pad radial gas bearing. Background technique [0002] The one-piece tilting pad radial gas bearing is an adaptive semi-flexible support gas dynamic pressure bearing. The pad and the bearing sleeve in the bearing are integrated, and the pad and the bearing sleeve are connected through flexible beams. Compared with ordinary rotor bearings, it has a series of advantages such as oil-free lubrication, small friction loss, high speed, and can work in extreme temperature environments. Compared with traditional rigid gas bearings, its stability has been greatly improved. At the same time, compared with the traditional tilting pad gas bearing, its one-piece structure eliminates the wear of the pad and the fulcrum, eliminates the installation error of the pad, and simplifies the processing process of the bearing. The integrated tilting pad radial gas bearing has bro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C17/03
Inventor 冯凯刘万辉霍彦伟程苗苗
Owner HUNAN UNIV
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