Reversible pressurized fluid mechanism such as a motor or a pump and having at least two operating cylinder capacities
US5435135A · kind A · utility
8Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1994 |
| Grant date | Jul 25, 1995 |
| Priority date | — |
| Expiry date | Jun 8, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF03C1/045
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention concerns a dual-capacity hydraulic motor. In accordance with the invention, the capacity selector device comprises two valves each having a body with two grooves and a sliding slide valve with only one groove. One application is to the implementation of a low-cost, lightweight motor that is compact in the axial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.