Thrust bearing device
US7832934B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2007 |
| Grant date | Nov 16, 2010 |
| Priority date | — |
| Expiry date | Aug 18, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2300/02
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A thrust bearing device comprising a runner portion attached to a rotational axis and having a plane perpendicular to the axial direction of the rotational axis, and a fixed portion having a sliding surface facing the plane of the runner portion, wherein the fixed portion has a plurality of oil grooves extending in radial directions formed on the sliding surface, a plurality of tapered lands formed among some of the plurality of oil grooves on the sliding surface and having a tapered plane and a plane, a plurality of flat parts formed among the remainder of the plurality of oil grooves on the sliding surface and having only a plane, and a plurality of oil supply openings formed in each of the plurality flat parts and pressurized oil is externally supplied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.