Device for monitoring the integrity of a diaphragm
US6523454B2 · kind B2 · utility
3Cited by
8References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 17, 2001 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | May 17, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L19/0672
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for monitoring the integrity of a diaphragm (1) of a diaphragm transport+ unit, made of one or a plurality of layers, having a resistance device (3) connected to one layer and having a measuring device interconnected to a current source (15) via a connecting arm (20), the measuring device being a Wheatstone bridge (2) in which the resistance device (3) forms a bridge resistance (S1, S2, S3, S4) in at least one bridge arm, and an incipient rupture of a layer of the diaphragm having the effect of altering the galvanometer arm voltage (B-D).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.