Pneumatic measurement plug
US5619803A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 8, 1995 |
| Grant date | Apr 15, 1997 |
| Priority date | — |
| Expiry date | Nov 8, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S33/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The plug comprises an elongate member and at least one measurement ring mounted with radial play on the elongate member and comprising at least one pair of diametrically opposite measurement nozzles fed with gas under pressure, and also at least three centering nozzles disposed around the periphery of the measurement ring on radii that define equal angles between one another, the centering nozzles being fed with gas under pressure independently from the measurement nozzles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.