Planetary gear apparatus
US7316629B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2005 |
| Grant date | Jan 8, 2008 |
| Priority date | — |
| Expiry date | Jan 4, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H3/663
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A double pinion planetary gear unit includes a first sun gear, a second sun gear, a plurality of short pinions, a plurality of long pinions, a ring gear and a carrier. The carrier includes a first flange portion that supports an end side of the short pinions and an end side of the long pinions, a cylindrical portion that is connected to the first flange portion and that forms a cover for an outer peripheral side where the short pinions and the long pinions mesh with each other, a second flange portion that supports another end side of the long pinions, and a plurality of bridge portions that extend from the second flange portion toward the short pinions and that support another end side of the short pinions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.