Oscillating valve for a double acting operating cylinder
US5862828A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 9, 1997 |
| Grant date | Jan 26, 1999 |
| Priority date | — |
| Expiry date | Jul 9, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/2554
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
For the oscillating triggering of a double acting operating cylinder (4), a reversing valve (6) has been provided and has been inserted between the pressure supply connector (5) and the two operating cylinder drive connectors (2,3) that is driven via two NOT elements (7,8), that each have been assigned to an operating position and connected with a drive connector (2,3). The reversing valve (6) is caused by pressure to periodically switch between the two operating positions. In order to stop oscillating with a defined final position of the operating cylinder (4) or start it up again, at least one of the NOT elements (7) has been provided with a pressure supply connector that can be triggered independently from the supply connector (5).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.