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公开(公告)号：US20230250839A1
公开(公告)日：2023-08-10
申请号：US18165549
申请日：2023-02-07
摘要： An actuator arrangement includes an actuator screwshaft configured to receive a female connector, a lockpin having a male connector that is connected to the female connector. When the actuator screwshaft is rotated, in use, the lockpin is configured to move from a first position to a second position.
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公开(公告)号：US11719339B2
公开(公告)日：2023-08-08
申请号：US16713061
申请日：2019-12-13
发明人： Stephen H. Davies
摘要： An actuation system is provided comprising an electric motor having a motor output shaft, a first actuator and a transmission system linking the electric motor to the first actuator. The transmission system comprises a drive shaft having an input end and an output end, the output end connected to an input of the first actuator, and a torque limiter. The torque limiter is positioned at an upstream end of the transmission system and connects the motor output shaft of the electric motor to an input end of the drive shaft.
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公开(公告)号：US11703111B2
公开(公告)日：2023-07-18
申请号：US17745170
申请日：2022-05-16
CPC分类号： F16H25/2214 , F16H25/2472
摘要： A ball screw assembly includes a screw shaft along which is formed a first helical groove; a nut along which is form a second helical groove; the first helical groove and the second helical groove cooperating to define a track, a plurality of balls arranged in the track and configured to move along the track in response to relative motion between the screw shaft and the nut such that rotational motion of the screw is translated to linear motion of the nut via the balls and vice versa. The assembly also includes a bypass shoe arranged between the nut and the track and spaced from the track by a predetermined preload X, wherein when a load applied to the nut exceeds the predetermined preload, the bypass shoe engages with the track such that motion of the screw is transferred to motion of the nut via the shoe and bypasses the balls.
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公开(公告)号：US20230137151A1
公开(公告)日：2023-05-04
申请号：US17977207
申请日：2022-10-31
发明人： Peter BACON , Maamar BENAROUS
摘要： A method of determining the status of a lock. The method includes reading data from a proximity switch and calculating an inductance value from a solenoid, the proximity switch and solenoid located in or around a lock, and processing the data from the proximity switch and the inductance value. The method further includes comparing the processed data with an expected value to confirm the lock status.
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公开(公告)号：US20230095327A1
公开(公告)日：2023-03-30
申请号：US17957083
申请日：2022-09-30
摘要： A power inverter topology for converting a DC input to one or more phases of AC output, and methods for operating the same. The power inverter includes a switching circuit, an input circuit and a freewheeling diode bridge arrangement. The switching circuit comprises switch arms extending between the upper and lower branches of the switching circuit. The input circuit includes upper and lower isolating switches that can be selectively operated to respectively isolate the upper and/or lower branches of the switching circuit.
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公开(公告)号：US20230069566A1
公开(公告)日：2023-03-02
申请号：US17889618
申请日：2022-08-17
发明人： Stephen DAVIES
摘要： A leadscrew assembly includes a screw shaft along which is formed a first helical groove and a primary nut along which is form a second helical groove. The first helical groove and the second helical groove cooperate to define a track. The assembly also includes a secondary nut along which is formed a third helical groove. The first helical groove and the third helical groove cooperate to define a track with a nominal running clearance. A preload X is provided wherein when a load applied to the screw exceeds the predetermined preload, the secondary nut engages with the track such that load of the screw above preload X is transferred through the secondary nut and thus protecting the primary nut.
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公开(公告)号：US11585398B2
公开(公告)日：2023-02-21
申请号：US17169823
申请日：2021-02-08
发明人： Jeremy Kracke
摘要： A spring assembly comprises an edge wound wave spring and a shim. The spring comprises a plurality of axially spaced, axially compressible wave-like turns extending between a first end portion and a second end portion. The first end portion comprises a plurality of closely arranged parallel turns. The shim comprises a shim body and at least one mounting lug projecting radially from the shim body. The mounting lug is received between adjacent turns of the first end portion of the edge wound wave spring for retaining the shim to the edge wound wave spring.
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公开(公告)号：US20220416640A1
公开(公告)日：2022-12-29
申请号：US17901215
申请日：2022-09-01
发明人： Andrew HAWKSWORTH , Paul PROVERBS
摘要： The disclosure provides a pole-piece structure for a magnetic gear, comprising a plurality of laminate plates, wherein each plate comprises one or more apertures and an aperture in each plate aligns with an aperture in an adjacent plate to form one or more channels extending from a first end of the laminate plates to a second, opposite end of the laminate plates, wherein a resin cast is provided within each channel to hold the plurality of laminate plates together.
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公开(公告)号：US20220402591A1
公开(公告)日：2022-12-22
申请号：US17829852
申请日：2022-06-01
发明人： Karolis BUTRIMAVICIUS , Paul Smith
IPC分类号： B64C3/56
摘要： A locking pin system comprising: an actuator having an actuator body defining an axial bore along its length; a locking pin axially moveably mounted within the bore, and drive means for driving the locking pin axially along the bore between a locking position extending from the actuator body and an unlocking position relatively retracted into the actuator body; wherein the drive means comprises engagement means for releasably engaging the locking pin, the engagement means being biased to an open position where they are not in engagement with the locking pin, and wherein the bore comprises a first section having a first diameter and a second section having a second, wider diameter.
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公开(公告)号：US20220402464A1
公开(公告)日：2022-12-22
申请号：US17836031
申请日：2022-06-09
摘要： A brake device for braking rotation of an input shaft includes a selectively operable trigger brake that includes: a static element; a trigger brake shaft mounted for rotational and axial movement relative to the static element and the input shaft; a preloaded torsion spring rotationally coupled to the input shaft but permitting a limited rotational movement between the trigger brake shaft and the input shaft; a roller jamming mechanism operable upon the relative rotation between the trigger brake shaft and the input shaft exceeding a predetermined amount to stop rotation of the input shaft upon operation of the trigger brake; and a brake actuator for selectively moving the trigger brake shaft into and out of engagement with a contact surface of the static element. Engagement of the contact surface of the static element and the trigger brake shaft overcomes the preload of the torsion spring.
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