Pneumatic setting device
US4561345A · kind A · utility
2Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1984 |
| Grant date | Dec 31, 1985 |
| Priority date | — |
| Expiry date | Oct 25, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87217
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention relates to a pneumatic setting device having oppositely operable magnetic valves for alternately pressurizing and exhausting expansible chambers formed by one or more diaphragms to which a reciprocatable setting element is attached. In this construction a return spring may be omitted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.