Annular flow distribution control of lubrication oil between concentric rotary shafts
US8657689B2 · kind B2 · utility
0Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2008 |
| Grant date | Feb 25, 2014 |
| Priority date | — |
| Expiry date | Jul 31, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H57/0494
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A concentric cylinder drive assembly (1) used for the transmission of power in industrial machinery is disclosed. More specifically, a concentric drive assembly (1) with a hollow outer cylinder (5) having an internal surface with a bi-directional surface lay; an inner cylinder (3) having an external surface with a unidirectional surface lay oriented at a predetermined angle (φ) along the length of the cylinder; an annular channel established between the outer and inner cylinders having a predetermined gap (7); and a lubrication oil that substantially fills the annular channel is presented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.