Abstract: A centering mechanism is provided with a speed reducer, a bearing that is disposed radially outward from the center line of the speed reducer, and an adapter that is fixed to the speed reducer and maintains the speed reducer and the bearing to be coaxial.

Abstract: A linear actuator for height adjustable columns comprising a threaded spindle with a longitudinal extension along a longitudinal axis, the spindle being adapted to be rotated by a driving shaft, characterized in that the spindle is provided with a right-hand thread at a first portion of the longitudinal extension and a left-hand thread at a second portion of the longitudinal extension. The linear actuator further comprises one right-hand threaded nut member and one left-hand threaded nut member. At least one of the nut members comprises a first and a second part configured to be in threaded connection with the spindle on opposing sides of the spindle. The threaded connection of the right-hand and left-hand threaded nut member to the spindle provides opposite linear movement of the right-hand threaded nut member relative the left-hand threaded nut member along the longitudinal axis.

Abstract: An oil redirection catcher includes a planar portion, an aperture arranged in the planar portion, first and second edge portions extending from the planar portion, an arcuate edge portion, and a first tab portion arranged to fix the oil redirection catcher to an axle housing. The second edge portion, together with the first edge portion and the planar portion, forms a channel. The arcuate edge portion connects the first edge portion and the second edge portion, delimits the channel, and at least partially surrounds the aperture. In an example embodiment, the first edge portion is longer than the second edge portion. In an example embodiment, the channel narrows towards the aperture.

Abstract: In general, this disclosure involves a pulley system that includes a plurality of fixed sheaves arranged in a first annulus and a plurality of traveling sheaves arranged in a second annulus. The plurality of traveling sheaves are configured to travel along an axis of travel and are coupled to an output shaft configured to pass through the first annulus and translate along the axis of travel. The plurality of traveling sheaves are aligned with the plurality of fixed sheaves such that at least half of a plurality of spans between the plurality of traveling sheaves and the plurality of fixed sheaves are parallel spans that are parallel with the axis of travel. A flat belt extends between and around the plurality of fixed sheaves and the plurality of traveling sheaves, the flat belt including a plurality of twists along the parallel spans to form a plurality of twisted spans.

Abstract: A bending meshing type gear device includes a wave generator and a wave generator bearing disposed between the wave generator and an external gear. The wave generator bearing includes a first rolling element row with first rolling elements aligned in a circumferential direction, a first holder, a second rolling element row offset in an axial direction from the first element row with second rolling elements aligned in the circumferential direction, and a second holder. The first holder includes first pockets accommodating the first rolling elements, each pocket is open toward a side of the second rolling element row in the axial direction. The second holder includes second pockets accommodating the second rolling elements, each pocket is open toward a side of the first rolling element row in the axial direction. A spacer member is disposed between the first and the second rolling element rows.

Abstract: The present invention relates to the field of hoisting drive systems for power shovels, and particularly to a reducer with balanced output of a very large torque from a plurality of motors, including a first motor shaft, a second motor shaft, a third motor shaft and a fourth motor shaft, which are each drivingly connected to the plurality of motors. In addition to outputting a very large torque employing the plurality of motors with the reducer, the reducer of the present invention can ensure that the output is balanced and stable, remarkably enhancing performance, safety and stability of a hoisting drive system for a power shovel. Adjustable motor transmission assemblies assembled on exterior lateral surfaces of the first motor shaft, the second motor shaft, the third motor shaft and the fourth motor shaft can adjust the number and locations of power transmission grooves according to the number and locations of actually active motors, greatly increasing applicability.

Abstract: Provided is an internal meshing cylindrical gear pair with a constant meshing characteristics constructed tooth pair. The internal meshing cylindrical gear pair with a constructed tooth pair includes an external cylindrical gear with a constructed tooth pair and an internal cylindrical gear with a constructed tooth pair based on conjugate curves. In the present disclosure, normal tooth profile curves of the external cylindrical gear with a constructed tooth pair and the internal cylindrical gear with a constructed tooth pair are continuous combined curves with the same curve shape, which facilitates machining by the same cutter. A common normal at an inflection point or a tangent point of the continuous combined curve passes through a pitch point of the gear pair, and a position of the inflection point or the tangent point can be adjusted as required, so as to adjust a sliding ratio of the gear pair.

Abstract: An actuator may include a motor generating a rotational force, a gear assembly transmitting the rotational force of the motor, and a housing accommodating the gear assembly therein. The gear assembly includes a driving gear provided on a driving shaft of the motor, a first gear unit connected with the driving gear, and a second gear unit connected with the first gear unit to transmit the rotational force transmitted from the first gear unit to a power conversion unit, and the first gear unit includes a gear shaft, a first driven gear provided on one side of the gear shaft and meshed with the driving gear, a second driven gear provided on the other side of the gear shaft and meshed with the second gear unit, and a bearing provided on the gear shaft between the first driven gear and the second driven gear.

Abstract: A gear-change selector module has a pipeline module including a plurality of pipes for providing a working fluid, and a gear-change selector housing having a plurality of channels which are each assigned to one of the pipes. The pipes are coupled to the channels via a respective plug-in connection. Each plug-in connection has a seal. Viewed in the plug-in direction, the seals are arranged at different levels.

Abstract: A linear actuator includes a support structure having a first face, and a second face opposite the first face; a first rack secured to the first face; a second rack secured to the second face; a first compound gear and a second compound gear; and a drive gear engaged with the first input gear on a first side of the drive gear, and engaged with an idle gear on a second side of the drive gear, opposite the first side of the drive gear. The first and second compound gears are configured for a simultaneous linear motion in one of two opposing directions.

Abstract: A lubrication system for a vehicle includes a heat exchanger having a lubricant inlet and a lubricant outlet with the lubricant outlet having a first outlet branch and a second outlet branch. The lubrication system also includes a stator lubrication circuit, a rotor lubrication circuit, and a gearbox lubrication circuit fluidly connected between the lubricant inlet and the first outlet branch. The gearbox, stator, and rotor lubrication circuits are connected fluidly in parallel with each other. The system also includes a park actuator assembly having a parking pawl configured to move between a parking position and a release position allowing movement of the drivetrain gear and a park actuated valve configured to move into a first position blocking lubricant flow through the second outlet branch when in the parking position and into a second position allowing lubricant flow through the second outlet branch when in the release position.

Abstract: An actuator (1) including an engageable manual drive shaft (2) for the manual drive and a manual operating element (3), wherein the manual operating element (3) can be detachably connected to a housing (4) of the actuator (1). The manual operating element (3), in a position connected to the housing (4), forces the coupling of the manual drive shaft (2) to a gear (5) of the actuator (1). Also shown is an actuator (20) including a stacked structure (15) arranged in a housing (4) and a connecting element (21) for connecting the stacked structure (15) to the housing (4), wherein the connection between the housing (4) and the stacked structure (15) has an axial degree of freedom.

Abstract: In the shift device (10), in a case where a finger F of an occupant touches a PR position (20PR) between a P position (20P) and an R position (20R) in a panel (16) and the PR position (20PR) is determined to be selected, a transmission is changed to a P range with a higher priority to an R range.

Abstract: A reduction gearbox for solar photovoltaic tracking includes a housing, an end cover, a gear, and a worm. A first limiting stopper is disposed on the top of the housing. A first limiting protrusion and a second limiting protrusion are disposed on a side of a gear ring of the gear, and the first limiting stopper, the first limiting protrusion and the second limiting protrusion define a hard limiting structure. The sum of an included angle between outer end surfaces of the first and second limiting protrusions and a central angle of the first limiting stopper is less than or equal to 170°. The difference between a central angle of the gear ring of the gear and a central angle of the worm is greater than or equal to 180°.

Abstract: A hybrid powertrain includes a conversion device, a first motor, and an engine. At least one of the first motor and the engine is configured to output power to a driving end through the conversion device. The engine is configured to output power to the first motor through the conversion device, to drive the first motor to generate electricity.

Abstract: In some examples, an elliptical drive adjusts a phase angle of unbalanced shafts or weights of a vibrating screen. The elliptical drive may include a yoke assembly including four plates that allows relative rotation of two shafts that in turn adjust the phase angle. One of the two shafts may have a pulley drive driven by a motor. The elliptical drive may include two gears intermeshed with each other hand having respective hubs with helical splines that mate with corresponding helical splines of the two shafts. Rotating an actuator rod may cause the two gears to move in an axial direction of the two shafts thereby rotating the two shafts relative to one another which in turn causes a phase angle adjustment of the unbalanced weights or shafts of the vibration mechanism of the vibrating screen.

Abstract: Proposed is a rack guide which achieves a stable feed of a lubricant from a rack bar to a lubricant retaining groove when the rack bar slides against the rack guide. A lubricant retaining groove is arranged in the supporting surface, the lubricant retaining groove being configured to extend in a rack guide transverse direction perpendicular to a rack guide longitudinal direction and retain a lubricant located between a rack bar and a supporting surface. The lubricant retaining groove has a ship-bow-shaped lubricant introducing area into which the lubricant is introduced and a lubricant retaining area connected to the lubricant introducing area and configured to retain the lubricant introduced from the lubricant introducing area. The lubricant retaining area of the lubricant retaining groove is provided in a contact area of the supporting surface.

Abstract: A transmission assembly for coupling a forerunning gearbox stage to a generator of a wind turbine is provided, the transmission assembly including an intermediate speed shaft supported by an intermediate speed shaft bearing arrangement and including an intermediate speed shaft gear, a high-speed shaft supported by a high-speed shaft bearing arrangement and including a high-speed shaft gear, and a gear mesh formed by an engagement of the intermediate speed shaft gear and the high-speed shaft gear, wherein the gear mesh is configured to transfer a torque between the intermediate speed shaft and the high-speed shaft.

Abstract: A driving mechanism for a rotating photo booth, includes a driving motor, and a rotating connecting portion driven by the driving motor and capable of rotating 360 degrees. An output shaft of the driving motor is connected to the rotating connecting portion by gear drive or a belt, thus driving the rotating connecting portion to rotate. The driving mechanism further includes a drive bearing for power transmission. The rotating connection portion is in fit connection with an outer ring or inner ring of the drive bearing. The driving motor is arranged on an inner side or outer side of the drive bearing. In practical application, the driving stability of the device in the running process can be better improved, and the reliability of power transmission can be enhanced.

Abstract: A gear device includes a gear attached to a shaft to rotate integrally with the shaft, a pair of bearings located across the gear in a direction in which the shaft extends and supporting the shaft in a rotatable manner, and a plurality of removable members attached to the gear. The plurality of removable members are attached to two surfaces of the gear intersecting with the shaft. Each removable member of the plurality of removable members faces a bearing of the pair of bearings located across the gear.