Hydrostatic transmission device ensuring good driveability
US9765799B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2012 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | Jun 2, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K17/356
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present disclosure is directed to a hydrostatic transmission apparatus including a pump, a first motor, and a second motor having two elementary motors. Each of the motors having first and second enclosures for feed/discharge. In work mode and in road mode, the second enclosure of the first elementary motor of the second motor and the first enclosure of the first motor are connected together in series, the second enclosure of the first motor being connected to the second port of the pump, and the second enclosure of the second elementary motor of the second motor is connected to the second port of the pump. In work mode, the first enclosure of each of the two elementary motors of the third motor is connected to the first port of the pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.