Disengageable axial thrust bearing with internal preload
US9482271B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2014 |
| Grant date | Nov 1, 2016 |
| Priority date | — |
| Expiry date | Mar 25, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C39/02
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a disengageable axial thrust bearing for a rotary machine, an outer ring has first and second outer half-rings (114A, 114B) centered in a casing (116) and clamped in the axial direction between a stationary thrust member (118) and a first pre-loading system (120) exerting a first predetermined axial force such that, so long as the axial load exerted on the axial thrust bearing via a synchronization element (106) is greater than a determined threshold value, rolling elements (110) with oblique contacts present respective single lines (130) having two points of contact (130A, 130B) with an inner ring (102) and with the first outer half-ring (114A), the second outer half-ring (114B) being spaced apart from the first by a second predetermined axial force exerted by a second pre-loading system (126) inserted in the axial direction between the first and second outer half-rings, and such that the inner ring (102) is driven in rotation by the synchronization element, whereas, when the axial load exerted on the axial thrust bearing becomes less than this determined threshold value, a second line (132) having two additional points of contact (132A, 132B) is created between each of the obl…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.