Patent · US Expired

Pneumatic measurement plug

US5619803A · kind A · utility

1Cited by
7References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 8, 1995
Grant dateApr 15, 1997
Priority date
Expiry dateNov 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.