Patent · US Active

Shaft break detection

US8943876B2 · kind B2 · utility

13Cited by

9References

19Claims

0Family size

Assignee

ROLLS-ROYCE plc

Inventors

Arthur L. Rowe · Derby, GB
Stephen Granville Garner · Ashby de la Zouch, GB
Marko Bacic · Felton, GB

Key dates

Filing date	Feb 24, 2012
Grant date	Feb 3, 2015
Priority date	—
Expiry date	Feb 24, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2270/335
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A shaft break detection system and a method of detecting shaft break for a gas turbine engine. A first indication is calculated from measured rotational speed of a shaft. A second indication is calculated from the rotational speed. A shaft break signal is generated if both indications are true.

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