Control valve assembly with concentric spools
US5234092A · kind A · utility
5Cited by
2References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 10, 1992 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Sep 10, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2500/70406
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A control valve mechanism has concentric spool valve members that are selectively positionable to provide control pressure. The control pressure may be used for the selective actuation of fluid operated friction torque transmitting devices, such as clutches and brakes, in a power transmission.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.