Bearings – Rotary bearing – Fluid bearing
Patent
1997-03-12
1998-04-28
Hannon, Thomas R.
Bearings
Rotary bearing
Fluid bearing
384905, 2989802, F16C 3206, F16C 4302
Patent
active
057436550
ABSTRACT:
A self-acting gas- dynamic or hydrodynamic bearing support for units rotating with a speed of about 10,000 rpm or higher consists of a stationary shaft (16) and a rotating bearing member (20) put on shaft with a radial gap of about 1 to 2 .mu.m. A distinguishing feature of the bearing support of the invention consists in that bearing member (20) is made of a wear-resistant ceramic and the thrust members (12 and 14) and the shaft (16) are made of steel with wear-resistant coating. The difference in coefficients of linear thermal expansion of steel and ceramic is advantageously used in assembling for self-positioning of the thrust members strictly perpendicular to the shaft and strictly parallel to each other and to the end surfaces of the bearing member. The invention also concerns a method of assembling of the bearing support.
REFERENCES:
patent: 4140592 (1979-02-01), Orlando
patent: 5018881 (1991-05-01), Asada
patent: 5127744 (1992-07-01), White et al.
patent: 5357162 (1994-10-01), Aiyoshizawa et al.
patent: 5358339 (1994-10-01), Konno et al.
patent: 5538347 (1996-07-01), Itoh et al.
Shkolnik Alexander
Skobeleva Anna
Slavin Viktor
Hannon Thomas R.
Patent Translation and Consulting Co., Inc.
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