Goodrich Actuation Systems Limited Patent applications |
Patent application number | Title | Published |
20140230584 | Actuator Arrangement - An actuator arrangement comprises an epicyclic gear set | 08-21-2014 |
20130193267 | Nose-Wheel Steering Actuator - An actuator comprises a shaft | 08-01-2013 |
20130161414 | ACTUATION SYSTEM FOR A TRANSLATING VARIABLE AREA FAN NOZZLE - A variable area fan nozzle assembly for a turbofan engine includes a nacelle having an aft edge and a translating thrust reverser sleeve with a trailing edge. The thrust reverser sleeve is movably disposed aft of the nacelle's aft edge and is movable between a forward position and an aft position. A translating fan nozzle having a forward edge is movably disposed behind the trailing edge, and is movable between a stowed position and a deployed position. An upstream bypass flow exit is defined between the trailing edge and the forward edge when the fan nozzle is in the deployed position. An extendable actuation system is configured to move the fan nozzle between the stowed position and the deployed position. | 06-27-2013 |
20130062152 | Disconnect Assembly - A disconnect assembly comprises an angularly movable input member | 03-14-2013 |
20130055806 | Brake Test Arrangement - A brake test method is disclosed for use in testing the operation of a brake of a drive system comprising a motor operable to drive a pair of drive shaft arrangements for rotation, an inboard brake associated with the motor, a first outboard brake associated with an end part of a first one of the drive shaft arrangements, and first and second outboard position sensors associated with the end parts of respective ones of the drive shaft arrangements, the method comprising the steps of applying the first outboard brake, operating the motor to apply a torque to the first drive shaft arrangement, applying the inboard brake, dc-activating the motor, and using the output of the second outboard position sensor in determining an operating status of the inboard brake and/or first outboard brake. | 03-07-2013 |
20120312154 | Actuator with Locking Arrangement - An actuator comprises an actuator output shaft, a rotatable lock formation associated with the output shaft so as to be axially fixed relative thereto, the lock formation defining an entry passage, a lock pocket and an exit passage, a pin positioned for movement relative to the lock formation such that, as the actuator approaches a fully extended position, a part of the pin is received within and passes along the entry passage, and resilient detent means operable such that, once the pin has moved beyond a predetermined position within the entry passage, the resilient detent means prevents return movement of the pin along the entry passage. | 12-13-2012 |
20120304788 | Actuator - An actuator comprises a rotatable nut arranged to be driven for rotation by a motor, an axially translatable shaft cooperable with the nut and arranged such that rotation of the nut drives the shaft for axial movement, and a steering rack coupled to the shaft by a coupling arrangement so as to be driven for axial movement by the shaft, wherein the coupling accommodates limited relative lateral movement between the shaft and the steering rack. | 12-06-2012 |
20120011950 | Actuator Arrangement - An actuator arrangement comprises a carriage secured to a nut of a ball screw actuator, a support member, and bearing means whereby the carriage is supported for axial movement relative to the support member. | 01-19-2012 |
20110290044 | Skew Detection - A skew detection arrangement comprises first and second series of targets movable past respective sensors, and monitoring means operable to monitor the outputs of the sensors, wherein the monitoring means is operable upon sensing that an output of a first one of the sensors is in a transition state to determine, from a transition direction of the transition state and an output of the other of the sensors, whether a skew condition has arisen. A skew detection method is also disclosed. | 12-01-2011 |
20110232406 | Thrust Reverser Actuation - A thrust reverser drive arrangement for driving a thrust reverser cowl for movement relative to first and second guide tracks is described which comprises a first actuator located, in use, close to the first guide track, a second actuator located, in use, close to the second guide track, and a third actuator, the actuators being arranged to be driven in synchronism and at the same speed by a drive motor to drive the cowl for movement, the third actuator being of smaller size and/or weight than the first and second actuators, and wherein the third actuator is provided with a load limiter to limit the transmission of loads through the third actuator in the event that the third actuator is subject to a compressive loading greater than a predetermined level. The invention further relates to a load limiter device suitable for use in such an arrangement | 09-29-2011 |
20110219863 | Brake Test Arrangement - A brake test method is disclosed for use in testing the operation of a brake of a drive system comprising a motor operable to drive a pair of drive shaft arrangements for rotation, an inboard brake associated with the motor, a first outboard brake associated with an end part of a first one of the drive shaft arrangements, and first and second outboard position sensors associated with the end parts of respective ones of the drive shaft arrangements, the method comprising the steps of applying the first outboard brake, operating the motor to apply a torque to the first drive shaft arrangement, applying the inboard brake, de-activating the motor, and using the output of the second outboard position sensor in determining an operating status of the inboard brake and/or first outboard brake. | 09-15-2011 |
20110192135 | Control System - A control system comprises a TRAS actuator | 08-11-2011 |
20110073421 | No-Back Arrangement - A no-back arrangement is disclosed for use in applying a braking load to a rotary actuator member, the no-back arrangement comprising a no-back device operable to apply a braking load to the rotary actuator member when the rotary actuator member is subject to a tensile loading, and limit means operable to limit the magnitude of the applied braking load. | 03-31-2011 |
20110072780 | Thrust Reverser Actuation - A thrust reverser drive arrangement is described for use in driving a thrust reverser cowl for movement relative to first and second guide tracks, the drive arrangement comprising a first actuator located, in use, close to the first guide track, and a second actuator located, in use, close to the second guide track, the actuators being arranged to be driven in synchronism and at the same speed by a drive motor to drive the cowl for movement, wherein at least one of the first and second actuators is provided with a load limiter to limit the transmission of loads through that actuator in the event that that actuator is subject to a compressive loading greater than a predetermined level. | 03-31-2011 |
20110021307 | Rotary Actuator - A rotary actuator comprises a planetary gear assembly having a sun gear, a drive input, and a drive transmission arrangement whereby rotary drive is transmitted between the drive input and the sun gear, wherein the drive transmission arrangement incorporates a brake device operable to apply a braking load to the sun gear in the event that the torque applied to the drive transmission arrangement in at least a first rotary direction exceeds a predetermined level. | 01-27-2011 |
20110006155 | Actuator Arrangement - An actuator arrangement comprising a carrier element which is translatable and angularly moveable about a first fixed axis, in use, relative to a wing structure, an actuator arm pivotally mounted to the carrier element, and a support arm pivotally mounted, in use, to the wing structure about a second, fixed pivot axis, wherein the first and second fixed axes are not perpendicular to one another. | 01-13-2011 |
20100229528 | ACTUATION SYSTEM FOR A TRANSLATING VARIABLE AREA FAN NOZZLE - A variable area fan nozzle assembly for a turbofan engine includes a nacelle having an aft edge and a translating thrust reverser sleeve with a trailing edge. The thrust reverser sleeve is movably disposed aft of the nacelle's aft edge and is movable between a forward position and an aft position. A translating fan nozzle having a forward edge is movably disposed behind the trailing edge, and is movable between a stowed position and a deployed position. An upstream bypass flow exit is defined between the trailing edge and the forward edge when the fan nozzle is in the deployed position. An extendable actuation system is configured to move the fan nozzle between the stowed position and the deployed position. | 09-16-2010 |
20100089029 | Actuator - An actuator comprises a screw shaft, a nut translatable along the screw shaft upon relative rotation occurring therebetween, and articulated connection means securing an output member to the nut, the output member being of elongate form and extending substantially parallel to or coaxial with the screw shaft when the actuator is in a retracted position. | 04-15-2010 |
20100078608 | Actuator - An actuator comprises a gear arrangement operatively connected to a rotatable input of a linearly extendable actuator device, wherein the gear arrangement comprises a pinion gear and a face gear in meshing engagement with one another. | 04-01-2010 |
20100077879 | Actuator - An actuator is described which comprises a rotatable actuator member ( | 04-01-2010 |
20100024580 | Actuator - An actuator comprises a screw shaft, a nut translatable along the shaft between a retracted position and an extended position, a tine component carried by the nut, the tine component including tine fingers formed with projections each being engageable with a formation provided on a housing when the nut occupies its extended position to secure the nut against axial movement, and a lock member engageable with the tine fingers to restrict radial movement of the tine fingers. | 02-04-2010 |
20090250552 | Actuator - An actuator comprises an actuator shaft mounted for rotation by a drive shaft, releasable lock means operable to restrict axial movement of the actuator shaft relative to the drive shaft, and an output member co-operating with the actuator shaft such that rotation of the actuator shaft drives the output member for translating movement relative to the actuator shaft. | 10-08-2009 |
20090250308 | Torque Limiter with Brake - A torque limiter device comprises a drive input, an output rotatable upon rotation of the drive input, and a roller-jammer device operable in the event that the torque transmitted between the drive input and the output exceeds a predetermined level to apply a braking load to the drive input and/or the output, and a brake device operable to apply a braking load to the roller-jammer device to cause activation thereof. | 10-08-2009 |
20090242692 | Clutch Arrangement - A clutch arrangement comprises a rotatable drive input, a rotatable output, and an epicyclic gear arrangement comprising a ring gear, a series of planet gears meshing with the ring gear, a sun gear meshing with the planet gears, and a carrier upon which the planet gears are mounted, the drive input being connected to one of the ring gear and the carrier, the output being connected to the other of the ring gear and the carrier, and a clutch device operable to control relative rotation between the ring gear and the sun gear. The invention also relates to a nosewheel landing gear steering arrangement including such a clutch arrangement. | 10-01-2009 |
20090242340 | Damping Arrangement - A damping arrangement comprises a drive member arranged to be driven for angular movement relative to a housing by a motor, and a damping device independent of the motor and operable to damp oscillating motion of the drive member relative to the housing. | 10-01-2009 |
20090200420 | ACTUATOR ARRANGEMENT - An actuator arrangement comprises a first screw shaft, a first nut cooperating with the first screw shaft such that rotation of the first screw shaft causes the first nut to translate thereon, a second screw shaft, a second nut cooperating with the second screw shaft such that rotation of the second screw shaft causes the second nut to translate thereon, and first and second linkages connecting the first and second nuts, respectively, to an output member, rotation of the first and second screw shafts to cause translation of the first and second nuts towards one another causing extending movement of the output member and rotation of the first and second screw shafts to cause translation of the first and second nuts away from one another causing retracting movement of the output member. | 08-13-2009 |
20090090204 | Actuator Arrangement - An actuator arrangement comprises a rotatable shaft, a nut mounted upon the shaft and translatable along the shaft upon rotation of the shaft relative to the nut, and a lock arrangement operable to lock the shaft and nut against relative rotation, the lock arrangement comprising a lock component mounted upon one of the shaft and the nut for axial movement relative thereto but held against angular movement relative thereto, the lock component being co-operable with an abutment provided on the other of the shaft and the nut, or a component associated therewith, to lock the shaft and nut to one another against relative rotation. | 04-09-2009 |
20090090203 | Actuator Arrangement - An actuator arrangement comprises a rotatable shaft, a no-back device operable to apply a braking load to the shaft, a drive arrangement operable to drive the shaft for rotation, and an indicator member, wherein the drive arrangement includes a differential drive operable to drive the indicator member for movement. | 04-09-2009 |
20090026312 | Landing Gear Assembly - A landing gear assembly comprises a wheel support housing rotatably connected to a support member, the wheel support housing containing an electrically powered motor operable to adjust the angular position of the wheel support housing relative to the support member. | 01-29-2009 |
20090013664 | Actuator Arrangement - An actuator arrangement comprises an actuator having a rotatable drive input, a motor, and a drive transmission arrangement for transmitting rotary drive from the motor to the rotatable drive input of the actuator, wherein the transmission arrangement includes a telescopic drive coupling. | 01-15-2009 |
20080271557 | Actuator - An actuator comprises a rack arranged to be driven for movement by a rotatable pinion the rack having at least a first region having a first pitch circle diameter and a second region having a second, different, pitch circle diameter, and movable support means for supporting the rack for movement. | 11-06-2008 |
20080250771 | Actuator Arrangement - An actuator arrangement comprising a motor arranged to drive an input member, an extendable actuator having a rotatable shaft, a first drive transmission operable to transmit drive between the input member and the shaft when the shaft is under compression, and a second drive transmission operable to transmit drive between the input member and the shaft when the shaft is under tension, wherein the second drive transmission includes a ratchet mechanism. | 10-16-2008 |
20080246421 | Actuator Arrangement - An actuator arrangement comprises a plurality of linearly extendable actuators arranged to be driven by a common electrically driven motor, each actuator, being provided with limit stops to limit extension and/or retraction thereof, wherein the limit stops of the actuators are positioned such that a first one of the actuators has a smaller range of permitted extension than at least a second one of the actuators. | 10-09-2008 |
20080236309 | Stop Device - A stop device comprises a rotatable shaft, a travelling nut mounted upon the shaft in such a manner that rotation of the shaft causes the nut to translate along the shaft, and a stop member mounted upon the shaft and operable to limit the length of the shaft along which the travelling nut can translate, wherein the stop member is adjustably mounted upon the shaft. | 10-02-2008 |
20080229851 | Actuator Arrangement - An actuator arrangement comprises a pair of symmetrically loaded screw actuators driven from a common motor through respective drive shafts, and a protection arrangement arranged to avoid the continued application of full motor drive to one of the actuators in the event of the occurrence of a jam condition associated therewith. | 09-25-2008 |