Dual displacement motor control
US6629411B2 · kind B2 · utility
12Cited by
47References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 2001 |
| Grant date | Oct 7, 2003 |
| Priority date | — |
| Expiry date | May 9, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/2665
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulically operated fan for a cooling system in an automotive vehicle. Two hydraulic motors drive a common fan shaft. A control system provides means to bypass flow in parallel with both motors or direct flow to both or one of the motors dependent on inlet flow and cooling signal conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.