Improved load detection on a flight control actuator

The actuator has a primary path including a hallow screw terminated by an attachment piece of the primary path, and a secondary path including a safety rod recovering load. The rod ends with a spherical head having clearance, when the primary path carries the load. The head is received in a female f...

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Bibliographic Details
Main Authors TURPIN, PIERRE, MOALIC, JEAN-MARC, SELLIER, PHILIPPE
Format Patent
LanguageEnglish
French
German
Published 01.05.2013
Subjects
AEROPLANES
AIRCRAFT
AVIATION
BLASTING
COSMONAUTICS
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HELICOPTERS
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
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Summary:The actuator has a primary path including a hallow screw terminated by an attachment piece of the primary path, and a secondary path including a safety rod recovering load. The rod ends with a spherical head having clearance, when the primary path carries the load. The head is received in a female form of an attachment piece of the secondary path. Detection units detect the load of the secondary path. The detection units include bridge-type silicon sensors to detect the load on a fixation screw (12) assuring top attachment of the secondary path and to detect constraints of the secondary path.
Bibliography:Application Number: EP20080165087