Patent · US Active

System for monitoring damage to a rotor blade of a rotary-wing aircraft

US7473077B2 · kind B2 · utility

5Cited by

12References

13Claims

0Family size

Assignee

EUROCOPTER · FR

Inventors

Jacques Gaffiero · Paris, FR
Jean-Patrick Boderlique · Mitry-Mory, FR
Claude Laloi · Presles, FR

Key dates

Filing date	Nov 15, 2005
Grant date	Jan 6, 2009
Priority date	—
Expiry date	Mar 1, 2027

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB64C27/007
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A rotary-wing aircraft rotor blade (23) includes (semi)conductive loops (10) extending along axes (19A to 19C, 19W to 19Z) that are oblique relative to the longitudinal axis (26) of the blade. Impedance changes in the loops are sensed that indicate a location of damage to the blade.

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