The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 23, 2007
Filed:
Jun. 07, 2002
Jean Thierry Audren, St Remy les Chevreuse, FR;
Jean Thierry Audren, St Remy les Chevreuse, FR;
Sagem SA, Paris, FR;
Abstract
The invention provides an actuator for a control surface (), in particular for a primary flight control of an aircraft, the actuator including a main actuator () in a main control line () for actuating the control surface (), the actuator being characterized in that the actuator of the main control line () comprises a motor of the vibration motor type, and in that it further comprises, in a compensation, secondary control line (), a compensation actuator () and spring-forming apparatus () interposed between the compensation actuator () and the control surface (), the compensation actuator () tensioning or compressing the spring-forming apparatus so as to make them suitable for delivering a mean force to the control surface () so as to off-load from the main actuator () the mean force that it needs to deliver to the flight control ().