Interlocking change-over valve system
US5473970A · kind A · utility
4Cited by
8References
7Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 21, 1994 |
| Grant date | Dec 12, 1995 |
| Priority date | — |
| Expiry date | Jul 21, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2211/7142
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An interlocking change-over valve system for use in a hydraulically controlled mechanism includes a plurality of hydraulic actuators and at least one valve corresponding to each actuator for controlling the hydraulic pressure supplied to each actuator. A hydraulic cylinder communicates with each valve for opening and closing the valve. A control device remotely activates the hydraulic cylinder to selectively supply hydraulic pressure to some of the hydraulic actuators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.