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Patent Searching and Data


Matches 951 - 1,000 out of 18,724

Document Document Title
WO/2015/128893A1
Provided is a ball screw used with precompression applied to a ball, wherein the ball screw has a structure having a balance of cooling efficiency and ease of assembly/disassembly. To accomplish this, the ball screw has one screw shaft a...  
WO/2015/127497A1
A linear actuator comprising a motor adapted to axially rotate a rotor shaft in alternating directions, the motor having a stator positioned co-axially around the rotor shaft with the rotor shaft being co-axially coupled to a drive mecha...  
WO/2015/129313A1
 In the inner end part of a first connecting passage (50) formed to open in one end side of a ball circulation groove (42), a first tapered part (54) of which the inside diameter gradually decreases toward the inner-end-part opening is...  
WO/2015/129485A1
 A ball screw device (100) is provided with a screw shaft, a nut (101) threaded on the screw shaft with a plurality of balls interposed therebetween, a circulating member (103) for circulating the plurality of balls between the screw s...  
WO/2015/129502A1
 Provided are a power steering device for making a ball move smoothly within a connecting member for circulating a ball, and a method for manufacturing the power steering device. A first curved surface part of a first connecting passag...  
WO/2015/124712A1
The invention relates to an actuator including a stationary structure and an actuation element that is movable relative to the stationary structure. A device for locking the actuation element into position is mounted onto the stationary ...  
WO/2015/124387A1
The invention relates to a recirculating ball nut (12) for a ballscrew drive, comprising a base (13) which has at least one recirculating ball path (26). According to the invention, the base (13) is a forged part and the ball raceway (26...  
WO/2015/125361A1
A steering device (80) includes a steering column (50), a bracket (52), and an affixation mechanism (1). The affixation mechanism (1) is provided with a roller clutch (8), an inner ring (7), and a slip ring (6). The roller clutch (8) and...  
WO/2015/081950A3
The invention relates to an actuator having a gear mechanism converting a rotary motion into a linear motion, in particular for operating a clutch of a vehicle. According to the invention, on at least one axially movable element (A, B), ...  
WO/2015/121710A1
An input gear (10) mounted on said shaft (14), a spiral tooth (12) along said shaft (14). The length of said spiral tooth (12) along said shaft is longer than the circumference of said input gear (10). Upon one full rotation of said inpu...  
WO/2015/122380A1
This ball screw device (1) is provided with a ball circulation part (5) having a ball circulation path (7). The ball circulation part (5) is formed by combining a first split body (50) and a second split body (60). The first split body (...  
WO/2015/121494A1
Telescopic drive assembly comprising a rotatable threaded drive member, an outer tube assembly arranged axially moveable relative to the drive member but non-rotational relative to a frame and comprising a nut portion in threaded engagem...  
WO/2015/120076A1
Prosthetic devices and, more particularly, modular myoelectric prosthesis components and related methods, are described. In one embodiment, a hand (30) for a prosthetic limb may comprise a rotor- motor (310); a transmission (320), compri...  
WO/2015/120083A1
Prosthetic devices and, more particularly, modular myoelectric prosthesis components and related methods, are described. In one embodiment, a hand (30) for a prosthetic limb may comprise a rotor- motor (310); a transmission (320), compri...  
WO/2015/091887A3
An anti-rotation device prevents relative rotation between first and second members (1, 2), one member being telescopingly disposed about the other and at least one member being linearly displaceable along a central axis. First and secon...  
WO/2015/115240A1
Provided is a ball screw that can smoothly move a ball through a return path of a circulating component. This ball screw is provided with a screw shaft (1) having a helical ball rolling groove (1a) in the outer peripheral surface thereof...  
WO/2015/086786A3
The invention relates to a linear actuator, comprising: - a first interfacing part (4) interfacing the actuator with the exterior and a second interfacing part (6) interfacing the actuator with the exterior, by means of which the actuato...  
WO/2015/114158A1
Telescopic drive assembly comprising a rotatable threaded drive member, an outer tube assembly arranged axially moveable relative to the drive member but non-rotational relative to a frame and comprising a nut member in threaded engageme...  
WO/2015/113564A1
The present invention relates to a magnetorheological actuator (1) having a chamber, in particular having a chamber (11) which is substantially hollow-cylindrical at least in certain regions, in which a magnetorheological fluid is accomm...  
WO/2015/107352A1
A linear actuator assembly (1) comprises a linear actuator which has a housing and an output shaft, the output shaft (14) defining an actuator axis and being movable along the actuator axis between an extended position and a retracted po...  
WO/2014/085805A3
A linear actuator comprises a motor having an output shaft. A casing of the motor has an inner cavity with a counterbore seat surface. A threaded shaft is within the inner cavity. A bearing is received in the counterbore seat surface. A ...  
WO/2014/085803A3
A linear actuator comprising a motor having an output shaft. A casing of the motor has an inner cavity defining a joint surface. A threaded shaft is within the inner cavity of the casing, and a bearing within the inner cavity. A coupling...  
WO/2015/040170A3
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 attach...  
WO/2015/105448A1
The present invention relates to a method for determining the relative position between a moveable member and a stationary member of a electromechanical linear actuator, which linear actuator is arranged to transform rotary motion from a...  
WO/2015/102109A1
This ball screw is provided with: a screw shaft (2) having first screw grooves (2a) provided to the outer peripheral surface thereof; a nut (3) having, formed on the inner peripheral surface thereof, second screw grooves (9) which face t...  
WO/2015/090316A1
The invention relates to a hydrostatic actuator arrangement for an actuating device, particularly for a friction clutch device arranged in a drive train of a motor vehicle powered by an internal combustion engine, the actuator arrangemen...  
WO/2015/093528A1
A linear motion mechanism (27) is provided with: a cylinder rod (312) into which a ball screw (30) can be inserted, said cylinder rod (312) comprising a base end section that is connected to a nut (311) within a piston casing (36) and a ...  
WO/2015/086786A2
The invention relates to a linear actuator, comprising: - a first interfacing part (4) interfacing the actuator with the exterior and a second interfacing part (6) interfacing the actuator with the exterior, by means of which the actuato...  
WO/2015/049437A3
The invention relates to an actuator (3) for a transmission system (4), comprising: an electric motor (12) comprising a rotor (14) and a stator (15), the rotor (14) being secured to a driving surface (16) and mobile about a rotational ax...  
WO/2015/081951A1
The invention relates to an actuator having a planetary roller spindle (PWG), in particular for actuating a clutch of a vehicle, wherein a central spindle having a pitch is rotationally coupled to a rotor of a drive and can by driven by ...  
WO/2015/082199A1
The invention relates to a linear actuator (1) for generating a linear actuating force, comprising a first drive unit (10) having a first drive shaft (11) designed as a hollow shaft, a first rotation-translation transmission (20) driven ...  
WO/2015/082137A1
The invention relates to an actuator (13) for actuating a piston (17) of a hydraulic clutch actuator and how said actuator (13) can be used in a hydraulic system of an electrically actuatable clutch system for a motor vehicle. An electri...  
WO/2015/084273A1
A fixing and actuating mechanism with a spiral ball channel comprises spiral nut part A (1), spiral nut part B (2), lower feedback rotation part (3), upper feedback rotation part (4), lower feedback channel separation pin (5), upper feed...  
WO/2015/082148A1
The invention relates to a device (1) for actuating a hydraulic piston (23) for an electrically actuatable clutch in a motor vehicle. An electric motor (3) cooperates with a force transmission arrangement (5), in order to generate a forc...  
WO/2015/079698A1
Provided are: a ball screw that more efficiently prevents the accumulation and scattering of excess grease within a nut; and a seal used therein. To this end, a grease reservoir section (33) that forms a space with respect to a screw sha...  
WO/2015/081191A1
A brake assembly includes a service brake assembly and an electromechanically actuable parking brake assembly. The electromechanically actuable parking brake assembly has a ball nut assembly comprising a ball screw and a ball nut. The ba...  
WO/2015/080034A1
A rotary part of this motor comprises a plurality of magnets, a tubular hollow shaft, and a ball nut. The magnets are in contact with the outer surface of the hollow shaft. The ball nut is located on the radially inner side of the hollow...  
WO/2015/079076A1
The invention relates to a compact geared motor (100, 101, 102, 103) comprising a support (40) on which the following are mounted: a motor (1) for rotating a primary shaft (A-A); a reducer mechanism for adapting said rotary movement to a...  
WO/2015/078463A1
The invention relates to a spindle drive unit, in particular for an actuator having a planetary screw drive (PWG) for actuating a clutch of a vehicle by means of an actuating element. The drive unit has an electric motor, which has a rot...  
WO/2015/079697A1
Provided is a ball screw that more efficiently prevents the accumulation and scattering of excess grease within a nut. To this end, a grease reservoir section (33) that forms a space with respect to a screw shaft (10) is provided to the ...  
WO/2015/079696A1
Provided are: a ball screw that more efficiently prevents the accumulation and scattering of excess grease within a nut; and a seal used therein. To this end, the ball screw (1) comprises a grease reservoir section (33) that forms a spac...  
WO/2015/074699A1
A valve operator assembly is provided for a valve and comprises a housing (18), an input member (20) rotatably mounted, and a transmission mechanism (22) comprising a translating element (24) and a rotating element (28) connected to the ...  
WO/2015/074533A1
A protection apparatus for a ball-screw nut pair comprises a fixed sealing piece (1) and a moving sealing piece (4). An opening is provided at a surface of the fixed sealing piece (1). An accommodation space capable of accommodating a ba...  
WO/2015/074701A1
A valve operator assembly is provided for a valve and comprises a housing (18), an input member (20) rotatably mounted, and a transmission mechanism (22) comprising a translating element (24) and a rotating element (28) connected to the ...  
WO/2015/076727A1
The present invention relates to a linear electro-mechanical actuator for transferring a rotational motion to a linear motion. The actuator comprises a piston having an outer surface and being at least partly arranged inside a housing. T...  
WO/2015/076725A1
The present invention relates to a linear electro-mechanical actuator for transferring a rotational motion to a linear motion. The actuator comprises a piston having an outer load-carrying surface and being at least partly arranged insid...  
WO/2015/074702A1
A valve operator assembly is provided comprises a housing (18), an input member (20) rotatably mounted, and a transmission mechanism (22) comprising a translating element (24) and a rotating element (28) connected to the input member, sa...  
WO/2015/076726A1
The present invention relates to a linear electro-mechanical actuator for transferring a rotational motion to a linear motion. The actuator comprises a piston being at least partly arranged inside a housing. The actuator further comprise...  
WO/2015/071057A1
The invention relates to a transmission assembly (10) for an electromechanical power steering device (8), comprising a belt pulley (22), which can be rotated about a longitudinal axis (A) and can be driven by a belt drive (20), and compr...  
WO/2015/070850A1
The invention relates to an actuating device for a motor vehicle, comprising an electromechanical actuator which has a spindle that can be set in a rotary movement by an electric motor, wherein said spindle can be coupled to a release de...  

Matches 951 - 1,000 out of 18,724