Vehicle power transmission device
US8727928B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 24, 2011 |
| Grant date | May 20, 2014 |
| Priority date | — |
| Expiry date | Aug 18, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H63/3416
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vehicle power transmission device includes: a first power transmission member including a cylindrical shaft end portion rotatably supported via a first bearing on an inner circumferential side of a non-rotating support wall; and a second power transmission member supported on the inside of the cylindrical shaft end portion via a second bearing radially overlapping with the first bearing by the cylindrical shaft end portion to be rotatable concentrically and relatively to the first power transmission member, the second power transmission member including a circular disc gear portion protruded to an outer circumferential side at a predetermined distance from the second bearing in a shaft center direction of the second power transmission member, at a portion facing the first bearing, the gear portion having an annular inner circumferential guide protruding portion for guiding to the first bearing a lubricant oil that passes through the second bearing for lubrication, that enters into a gap between the second bearing and the gear portion, and that travels to the outer circumferential side due to the centrifugal force.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.