Bearing material for porous hydrostatic gas bearing and porous hydrostatic gas bearing using the same
US6872002B2 · kind B2 · utility
16Cited by
2References
30Claims
0Family size
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Key dates
| Filing date | Aug 22, 2003 |
| Grant date | Mar 29, 2005 |
| Priority date | — |
| Expiry date | Sep 19, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S384/913
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A bearing material includes: a backing metal made of stainless steel; and a porous sintered metal layer integrated with at least one surface of the backing metal by means of a bonding layer, particles of an inorganic substance being contained in a dispersed manner at grain boundaries of the porous sintered metal layer, wherein the porous sintered metal layer containing the particles of the inorganic substance are composed of 4 to 10% by weight of tin, 10 to 40% by weight of nickel, not less than 0.1 and less than 0.5% by weight of phosphorus, and the balance consisting of copper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.