Three-pump - three-circuit fluid system of a work vehicle having controlled fluid-combining means
US3998053A · kind A · utility
10Cited by
1References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 1976 |
| Grant date | Dec 21, 1976 |
| Priority date | — |
| Expiry date | Mar 15, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2211/7142
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fluid system of work elements of a work vehicle has first, second, and third fluid circuits each having a pump connected to a work element through a control valve assembly that is operated by a pilot pump. A fluid control means is provided for controllably combining fluid from each of the circuits with another one of the circuits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.