Radial bearings
US4029368A · kind A · utility
71Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 1975 |
| Grant date | Jun 14, 1977 |
| Priority date | — |
| Expiry date | Jan 27, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S415/901
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
This invention relates to hard metal radial bearings particularly suitable in connection with thrust bearings which are lubricated by erosive fluids passing through the radial bearings as are employed in down-hole drilling motors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.