Patent · US Expired

Apparatus for acoustic detection of particles in a flow using a fiber optic interferometer

US7072044B2 · kind B2 · utility

62Cited by

6References

74Claims

0Family size

Assignee

Optopian AS · NO

Inventors

Jon Thomas Kringlebotn · Trondheim, NO
Erlend Rønnekleiv · Trondheim, NO
Sverre Knudsen · Trondheim, NO

Key dates

Filing date	Aug 30, 2001
Grant date	Jul 4, 2006
Priority date	—
Expiry date	Jun 6, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG01N2015/0046
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Fiber optic particle detector for measurements in a fluid flow, comprising an optical fiber (2,3,12) being acoustically coupled to a mechanical element (11,13,14) adapted to be acoustically coupled to the flow, a fiber optic interferometer (54,56) and a light source (12,51,55) providing light in said optical fiber.

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