Contraction unit with position sensor device
US6807894B2 · kind B2 · utility
2Cited by
1References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 7, 2003 |
| Grant date | Oct 26, 2004 |
| Priority date | — |
| Expiry date | May 7, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/183
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A contraction unit with a contraction tube that extends between two spaced head pieces and that contracts in length when pressure builds upon the inside proposed, which is provided with a position sensor device for detecting the distance between the head pieces based on the expansion of an elastic measurement object with the help of an expansion measurement device, wherein the measurement object extends between head pieces or in or on the wall of the contraction tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.