Power transmission system
US9150090B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2012 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Nov 27, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Y2400/427
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In a power transmission system, a ring gear of a first speed reducer and a ring gear of a second speed reducer are coupled to each other and have the same rotational axis. An engagement portion between the ring gear and a planetary gear is formed such that, when a first motor generates a rotational torque in the forward direction, a force acts on the ring gear in a direction approaching the second speed reducer in the rotational axis direction. An engagement portion between the ring gear and a planetary gear is formed such that, when a second motor generates a rotational torque in the forward direction, a force acts on the ring gear of the second speed reducer in a direction of approaching the first speed reducer in the rotational axis direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.