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Biest

Romuald Biest, Lombex FR

Patent application numberDescriptionPublished
20110024551VARIABLE DAMPING OF HAPTIC FEEDBACK FOR A FLIGHT-ATTITUDE CHANGING LINKAGE OF AN AIRCRAFT - The present invention relates to haptic feedback for operating at least one manual flight control device (02-03-2011

Romuald Biest, Lambex FR

Patent application numberDescriptionPublished
20100308157MECHANICAL DEVICE FOR COMBINING FIRST AND SECOND CONTROL ORDERS, AND AN AIRCRAFT PROVIDED WITH SUCH A DEVICE - The present invention relates to a mechanical device (12-09-2010
20100308178VARIABLE RATIO CRANK FOR A MANUAL FLIGHT CONTROL LINKAGE OF A ROTARY WING AIRCRAFT - The present invention relates to a bellcrank (12-09-2010

Romuald Biest, Les Milles FR

Patent application numberDescriptionPublished
20100127121ROTARY ACTUATOR INCORPORATING A FORCE RELATIONSHIP, AND A METHOD OF REDUCING ANGULAR SLACK IN SUCH A ROTARY ACTUATOR - A rotary actuator incorporating a three relationship includes a twistably-deformable structure having a first and a second end plate and a helical spring with a first and a second terminal end secured on the first and the second end plate, respectively, and wherein the first and the second end plate have a first and a second notch, respectively, and wherein the first and the second notch have a first and a second contact zone, respectively. The rotary actuator further includes an outlet shaft and a motor assembly having an outlet gear configured to drive the twistably-deformable structure so as to drive the outlet shaft in rotation, wherein, the motor assembly, the twistably-deformable structure and the outlet shaft are disposed in succession. The rotary actuator has a first finger constrained to rotate with the outlet gear and a second finger constrained to rotate with the outlet shaft.05-27-2010

Romuald Biest, Aix En Provence FR

Patent application numberDescriptionPublished
20090283642BREAKABLE COUPLING DEVICE, AND AN ASSOCIATED TRIM ACTUATOR - A breakable coupling device for coupling together first and second main transmission shafts stationary in translation along a longitudinal axis of rotation of the device comprises a blocking device having a discontinuous first housing and a continuous second housing forming a closed loop; a compression device; at least one drive device connecting the blocking device and the compression device together in rotation about the longitudinal axis below a predetermined torque, wherein the discontinuous first housing is configured to receive the at least one drive device below the predetermined torque; and a shifting device configured to shift the at least one drive device non-reversibly from the discontinuous first housing towards the continuous second housing when the torque exerted on the at least one drive device is greater than the predetermined torque.11-19-2009