Title:
TELESCOPIC ACTUATOR AND AIRCRAFT ENGINE COMPRISING SUCH AN ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2015/040170
Kind Code:
A3
Abstract:
Telescopic actuator comprising: - an actuator body (9); - a sleeve (40) with a longitudinal axis (Y) mounted such as to rotate and extending at least partially into the body, said sleeve being held in axial position in the body by attachment means; - a threaded rod mounted such as to slide telescopically in the longitudinal axis (X) inside the sleeve (40) and engaging with the sleeve (40) by means of a helical link; - rotating means suitable for rotating the sleeve (40) such as to slide the threaded rod selectively between an extended position and a retracted position; - locking means suitable for making the retraction of the helical link irreversible, such that a retraction of the threaded rod caused by a compression load is prevented when such a retraction is not caused by the driving means. Aircraft engine comprising at least one such actuator.
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Inventors:
DAUVERGNE DENIS (FR)
LAMARRE JEAN (FR)
CHAVIGNIER LOUIS (FR)
WERQUIN MICKAEL (FR)
LAMARRE JEAN (FR)
CHAVIGNIER LOUIS (FR)
WERQUIN MICKAEL (FR)
Application Number:
PCT/EP2014/070014
Publication Date:
July 16, 2015
Filing Date:
September 19, 2014
Export Citation:
Assignee:
SAGEM DEFENSE SECURITE (FR)
International Classes:
B64D29/04; B64D29/08; F16H25/24
Domestic Patent References:
WO2008010066A2 | 2008-01-24 |
Foreign References:
US3802281A | 1974-04-09 | |||
EP0960811A2 | 1999-12-01 | |||
FR2880399A1 | 2006-07-07 |
Attorney, Agent or Firm:
LAVIALLE, Bruno et al. (16 rue Médéric, Paris, FR)
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