Three position control solenoid for hydraulic activation
US8191698B2 · kind B2 · utility
1Cited by
11References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2007 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Jun 9, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2500/70418
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic system having a clutch assembly (30) which is hydraulically actuated, a pressure device (32) in fluid communication with the clutch assembly, and a multi-position actuator device (34) in fluid communication with the pressure device and the clutch assembly. The position of the actuator device includes at least a first position in order for the pressure device to fluidly communicate with the clutch assembly, a second position for maintaining fluid pressure in the clutch assembly, and a third position for bleeding the hydraulic system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.