Patent · US Active

Compact gammameter

US7978815B2 · kind B2 · utility

3Cited by

4References

20Claims

0Family size

Assignee

Roxar Flow Measurement AS · NO

Inventor

Stein-Arild Tjugum · Narvik, NO

Key dates

Filing date	Aug 28, 2007
Grant date	Jul 12, 2011
Priority date	—
Expiry date	Nov 25, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG01N9/24
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

This invention relates to a compact density measuring instrument for measuring density of fluids in a volume in a container, especially in a fluid flow in a pipe, the instrument comprising a radiation source in the gamma range positioned on one side of the fluid and a detector positioned on the opposite side of the fluids for receiving said radiation, and the fluid being contained in the container, wherein the source is positioned in a source housing, said source housing being at least partially fitted into a corresponding recess in the container wall, said source housing comprises a source holder containing the gamma source positioned in the holder axis and comprising a coaxial opening from the source through one end of the holder, said one end adapted to be aimed toward the fluid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.