Patent · US Active

Method and apparatus for monitoring the rotational speed of the shaft of a gas turbine

US7856337B2 · kind B2 · utility

7Cited by

16References

10Claims

0Family size

Assignee

WESTON AEROSPACE LIMITED · GB

Inventors

Wojciech Konrad Kulczyk · Winchester, GB
Anthony Palmer · Toledo, US
Matthew Clifton-Welker · Winchester, GB

Key dates

Filing date	Dec 19, 2008
Grant date	Dec 21, 2010
Priority date	—
Expiry date	Dec 19, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG01P21/02
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method (and corresponding apparatus) for monitoring the rotational speed of the shaft of a gas turbine having a number of spaced blades on or rotating with the shaft. The invention compensates for the errors which arise from the relative movement of turbine blade tips by deriving a correction factor for each blade and continually updating that correction factor.

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