Abstract: A torsional vibration damper includes a common axis of rotation extending along an axial direction, an input part, an output part, rotatable relative to the input part in a limited manner with torque transmission, and a ramp system. The ramp system includes an axially displaceable component, a plurality of rolling elements for converting rotation of the input part relative to the output part into an axial shifting of the axially displaceable component, and a plurality of energy storage elements. The plurality of energy storage elements are arranged distributed along a circumferential direction, extend along the axial direction, and are elastically deformable in the axial direction.

Abstract: A drive train unit for a drive train of a motor vehicle includes an input component for introducing a torque, a torsion damper for damping rotational non-uniformities, an output component for outputting the torque, and an intermediate hub. The torsion damper is connected in a torque-transmitting manner to the input component. The torsion damper includes a main damper having a spring element, and a radial inner side. The output component is connected in a torque-transmitting manner to the torsion damper. The output component is arranged radially outside of the spring element. The intermediate hub connects the torsion damper to the output component on the radial inner side.

Abstract: A renewable energy generation system includes a drive motor, a flywheel in mechanical communication with the drive motor, a generator in mechanical communication with the flywheel, a charge controller in electrical communication with the generator, a plurality of charge controller switches in electrical communication with the charge controller, a plurality of batteries in electrical communication with a respective charge controller switch, and a power management module in electrical communication with the plurality of charge controller switches. The drive motor effectuates rotation of the flywheel to generate stored rotational energy which is transferred to the generator as a load is placed upon the generator to maintain a constant speed of the drive motor. The power management module selectively opens or closes a charge controller switch to permit or inhibit the flow of electrical energy to a respective battery to reduce the electrical load placed upon the generator and drive motor.

Abstract: Apparatus and methods to reduce unwanted motion in precision instruments are described. An active vibration-isolation system may include a feedback loop that senses motion of an intermediate mass. In noisy environments, where the feedback loop would otherwise fail or provide inadequate isolation, feedforward control can be implemented to sense floor vibrations and reduce motion of the intermediate mass that would otherwise be induced by the floor vibrations. The feedforward control can reduce motion of the intermediate mass to a level that allows the feedback loop to operate satisfactorily.

Abstract: There is provided a rotary damper of which size can be easily reduced. The rotary damper (100) includes a housing (101). The housing (101) includes a rotor (120) in a bottomed cylindrical housing body (102), and is closed by a lid (140). An inner chamber (103) in the housing body (102) is divided into three cells including a first cell R1, a second cell R2, and a third cell R3 by a fixed vane (104) and movable vanes (124, 125) of the rotor (120). At the rotor (120), a cylindrical tubular support portion (122) is formed inside the movable vanes (124, 125). The lid (140) is formed with a cylindrical first rotor support portion (141) turnably supporting the tubular support portion (122). The first rotor support portion (141) supports the tubular support portion (122) at a center portion of the length of each of the movable vanes (124, 125) in an axial direction of the rotor (120).

Abstract: A vibration damper having a hydraulic compression stop includes: a cylinder filled with a damping medium; a piston rod guided in the cylinder the cylinder having a first piston fastened to the piston rod and slidable on an inner wall of the cylinder; and a second piston arranged on the piston rod at an axial distance from the first piston the second piston being slidable in a pressure cylinder. The pressure cylinder is formed with respect to the cylinder by a separate plastic pressure sleeve having a bottom, and the bottom of the pressure sleeve and a coating surface of the base on a side of the base facing away from the pressure sleeve are connected to each other via at least one web.

Abstract: A dust cover is configured to cover an outer side of a damper extending in a predetermined direction. The dust cover includes bellows portions and a flange portion. The bellows portions are inclined alternately toward a radially outer side and a radially inner side in an axial direction. The flange portion extends radially outward from a cylindrical portion of the dust cover. The flange portion protrudes radially outward from the cylindrical portion of the dust cover by a dimension larger than a height dimension in a radial direction between a radially inner end and a radially outer end of each of the bellows portions. A thickness of the flange portion is larger than a thickness of the radially outer end of each of the bellows portions.

Abstract: A shock absorber is provided. The shock absorber of the present invention includes a shock absorber main body, a damping passage, a primary damping force generation component, and a secondary damping force generation component. The shock absorber main body has an outer tube and a rod and is stretchable. The damping passage communicates operating chambers with each other provided in the shock absorber main body. The primary and secondary damping force generation components are provided in series with the damping passage. The secondary damping force generation component includes a secondary valve, an annular facing portion, and a valve stopper. The annular facing portion faces the secondary valve with an annular gap between the annular facing portion and the secondary valve. The valve stopper has elasticity to allow bending, and when the secondary valve bends and comes in contact with the valve stopper, restricts the secondary valve from bending.

Abstract: The present invention relates to a helical toothed belt including: a back portion; a tension member buried in the back portion; and a plurality of tooth portions arranged at a predetermined interval along a belt longitudinal direction on one surface of the back portion, in which the plurality of tooth portions have a tooth pitch of 1.5 mm or more and less than 2.0 mm, the back portion has a thickness of 0.4 mm or more and 1.2 mm or less, the tension member is formed of a twisted cord containing a high-strength glass fiber or a carbon fiber, and the ratio of the total value of an interval between the tension members adjacent to each other to the belt width is 20% or more and 60% or less.

Abstract: A toothed belt including asymmetric tooth profiles. The teeth of the toothed belt include a vertical segment on the leading side of the tooth that allows the teeth to carry increased loads. This in turn helps prevent tooth jump. A sprocket configured to smoothly enter and exit the toothed belt is also described, and the toothed belt and sprocket may form part of a belt drive system.

Abstract: A carriage for holding a clamping member in a clamping device, the carriage having a central portion and at least one holding portion for holding the clamping member, wherein the, or each, holding portion is foldable relative to the central portion between an open position of the, or each, holding portion and a closed position of the, or each, holding portion.

Abstract: A shackle adapter having an main body with a first side, a second side, and a curved support surface engageable to a curved surface of an inner arc contour of a bow portion of a bow-type shackle, a first arm located proximal the first side of the main body and having an inner surface engageable with a first side of the bow portion, a second arm located proximal the second side of the main body and having an inner surface engageable with a second side of the bow portion with the arms extending from the main body in a direction parallel to the sides of the main body, a first retaining member located on the inner surface of the first arm and a corresponding second retaining member located on the inner surface of the second arm, the retaining members assisting in securing the main body to the bow-type shackle.

Abstract: A drive device includes a bracket, a fixed shaft, and a drive transmitter. The fixed shaft is fixed to the bracket and has a groove. The drive transmitter is rotatably mounted on the fixed shaft. The drive transmitter includes an opening through which the fixed shaft is inserted, and a projection disposed on an inner circumference of the opening and configured to fit into the groove of the fixed shaft. The drive transmitter is configured to hold the fixed shaft over a range including both ends of the opening in a thrust direction of the drive transmitter with the drive transmitter being attached to the fixed shaft.

Abstract: A universal driving device includes a ring gear, a sun gear installed such that the shaft distance between a rotation shaft of the sun gear and a rotation shaft of the ring gear is changeable, and a split gear disposed between the sun gear and the ring gear, and configured to split power, received from the sun gear through one path, into multiple paths and transmit the power to the ring gear.

Abstract: A rotation support structure for an electric cylinder includes a motor attached to a housing and including an output shaft; and a speed reduction mechanism connected to the output shaft. The speed reduction mechanism includes a gear unit including a first gear and a shaft support portion and has an outer member facing an inner surface of the housing and a ball, and an annular second gear fixed to the housing and meshing with the first gear, one side end portion of the outer member faces the inner surface of the housing or a spacer attached to the housing, and the other side end portion faces the second gear. A gap is formed between the outer member and the second gear, and between the outer member and at least either the housing or the spacer. A gap is formed between the outer member and the inner surface of the housing.

Abstract: An alignment device is provided to draw two components together in an aligned configuration. An example alignment device comprises a planetary gear set including a ring gear and at least two planetary gears and one or more side plates for supporting the gears. Each of the planetary gears includes an aperture sized to receive a threaded fastener for engagement with a respective threaded rod that is engaged with one of the two components, wherein rotation of the ring gear imparts rotational movement to the threaded fasteners to cause synchronized advancement of the alignment device along the threaded rods.

Abstract: A multi-speed transmission including a plurality of planetary gearsets and a plurality of selective couplers to achieve at least nine forward speed ratios and at least nine reverse speed ratios is disclosed. The plurality of planetary gearsets may include a first planetary gearset, a second planetary gearset, a third planetary gearset, a fourth planetary gearset, and a fifth planetary gearset. The plurality of selective couplers may include a number of clutches and a number of brakes. The multi-speed transmission may have five planetary gearsets and eight selective couplers. The eighth selective couplers may include three clutches and five brakes.

Abstract: A continuously-variable transmission (CVT) has: a gearbox having a first planetary gear train, a second planetary gear train, a first rotating spool defined by one of two sun gears, two ring gears, and two carriers of the first and second planetary gear train, a second rotating spool defined by another one of the two sun gears, the two ring gears, and the two carriers, an input defined by a remaining one of the first sun gear, the first carrier, and the first ring gear, and an output defined by a remaining one of the second sun gear, the second carrier, and the second ring gear; a first brake operatively connected to the first rotating spool; a second brake operatively connected to the second rotating spool; and a transmission motor drivingly engaged to the first rotating spool or to the second rotating spool.

Abstract: A group transmission device includes an upshift assembly with a first transmission element, a second transmission element and a third transmission element. A downshift assembly has a first transmission element, a second transmission element and a third transmission element. A main shaft is arranged coaxially to the upshift assembly and a layshaft is arranged parallel to the main shaft. A first idler gear is arranged coaxially to the main shaft and axially between the upshift assembly and the downshift assembly and is connectable to the main shaft for conjoint rotation by a first shift unit. The first idler gear is connectable to the third transmission element of the downshift assembly for conjoint rotation by a second shift unit.

Abstract: This rotating shaft structure comprises a first link, a second link connected to the first link, and a plurality of speed reducers positioned between the first link and the second link. At least one of a speed-reducer-side attachment hole and a first-link-side attachment hole, which are for joining the speed reducers to the first link, is larger or longer than the other.

Abstract: A gear system, having: first and second ground gear; a drive shaft disposed along a rotation axis of the gear system and configured to rotate about the rotation axis; and an output gear supported by the first and second ground gear and configured to rotate by engagement between a wave generator portion of a drive shaft, a wave generator bearing, a flex spline, the output gear and the first and second ground gear, the output gear defining: an output gear body; and first and second output arms respectively extending radially outward from opposite sides of the output gear body to respectively define first and second radial inner ends and radial outer ends of the first and second output arms, so that the first and second radial outer ends are disposed on a radial axis that extends through a radial center of the gear system.

Abstract: Composite gearwheel for an electropneumatic hammer drill, wherein the composite gearwheel has a basic body, consisting of a first material, and an encircling toothing, and wherein the encircling toothing is formed, along a first circular arc, by a toothed body of the composite gearwheel, and is formed, along the remaining second circular arc, by the basic body itself, wherein the toothed body consists of a second material that is different than the first material.

Abstract: A gear mechanism (6) for a rolling mill drive includes at least one involute cylindrical gear tooth system between at least two intermeshing gear wheels (3) with asymmetrical gearing. The normal pressure angle of the load-bearing tooth flanks (5) of the gear wheels (3) is greater than 20° and less than or equal to 30°, and the normal pressure angle of the trailing flanks (4) of the gear wheels is greater than or equal to 14° and less than 22°. A rolling mill drive has a gear mechanism (6) of this type, and the gear mechanism (6) is used as a rolling mill gear mechanism.

Abstract: A hybrid drive component, such as a pulley, a drive sprocket, or an idler is composed of metal and composite material. The drive component manufacturing methods extend the overall life of the pulley while also reducing material usage and product weight thereby making the application more efficient. The drive component includes a drive element, a hub/bearing element and a connecting element. The connecting element is a molded construction that interconnects the drive element and the hub element.

Abstract: A method includes for each of the portions of a guide of the actuator, obtaining an operating signal measured when a movable element of the actuator travels over the guide portion in question, upon each of a plurality of successive activations of the actuator; for each of the guide portions, seeking wear of the actuator from the operating signals obtained for this guide portion; and locating the wear on the guide or on the motor according to the guide portions from which the wear has been found.

Abstract: Systems are described for integrating a gearbox and an electric motor in a same housing. In one example, a system may include enclosing a gearbox containing an idler gear configured to drive an accessory gear coupled to a differential.

Abstract: A waterproof structure for a speed reducer according to one aspect of the disclosure includes: a speed reducer for decelerating a rotational driving force of an electric motor and transmitting the decelerated rotational driving force to a rotationally driven portion; a motor flange housing the speed reducer; a cover externally covering the speed reducer in a liquid-tight manner; and a holding plate and a first fixing bolt provided on an inner peripheral side of the cover to fix the cover to the motor flange.

Abstract: The invention relates to a lubricating oil deflector for a speed reduction gear of a turbomachine, the deflector comprising a body having a first end intended to be disposed facing a sun gear of the reduction gear, the first end being configured to receive oil from the sun gear and an opposite second end configured to discharge the oil from the body, the body including two side faces each intended to be disposed facing a planet gear of the reduction gear and each connecting the first and second ends together, the body including at least one inner oil guide channel that opens out at the first end and at the second end and is configured to discharge the oil by gravity through the second end.

Abstract: A lubrication assembly and operating method are provided herein. The lubrication assembly includes a rotating component an axial recess positioned on an axial side of the rotating component, and a lubricant conveyor that remains stationary relative to the rotating component and extends into the axial recess to form a gap between axial recess and the first lubricant conveyor. The lubricant conveyor directs a lubricant toward the axial recess during rotation to generate a lubricant spray focused in a targeted direction.

Abstract: A power transmission device, includes a motor; a gear mechanism connected downstream of the motor; a pump that sucks oil through a pump inlet; and a box that accommodates the motor and the gear mechanism. The pump inlet is provided on an inner wall of the box.

Abstract: A gear differential comprising a bell shaped housing having and open end and slide grooves extending from the open end. Planetary gears are adapted for being inserted into the slide grooves in the bell shaped housing via the open end.

Abstract: A control system (32, 33) for a vehicle (10), the control system (32, 33) comprising one or more controllers, the control system (32, 33) being configured to: receive a transmission speed signal that is indicative of an output speed of a transmission (24) of the vehicle (10) as the transmission (24) performs a gearshift; receive a driver demand signal that is indicative of a driver demand for acceleration of the vehicle (10) during the gearshift; and determine a torque demand signal for an engine (20) of the vehicle (10) in accordance with the transmission speed signal and the driver demand signal.

Abstract: A valve arrangement structure of a control valve unit includes a control valve body to which oil is supplied from a main pump. The valve arrangement structure includes a pressure regulator valve that is arranged in the control valve body and regulates a pressure of discharged oil from the main pump to a line pressure, a pressure control valve that is arranged in the control valve body and regulates the pressure of the oil to a required pressure with the line pressure as a source pressure, and a first oil passage that is provided in the control valve body and connects the main pump and the pressure regulator valve. The pressure control valve is arranged on a second oil passage branched from the first oil passage.

Abstract: The parking lock device includes: a parking gear; a fitting portion that is fittable into the parking gear; an engaging portion that engages with the fitting portion; and a driving portion that drives the engaging portion to move the fitting portion in a release direction with respect to the parking gear, the fitting portion including a re-fitting part that generates a re-fitting action based on stress generated during a period in which a fitting operation for fitting the fitting portion into the parking gear is not completed.

Abstract: Provided is a tensioner which has a small total number of components and no risk of incorrect assembly, allows easy load change, is easy to assemble, and excellently stabilizes an oil pressure in a pressure oil chamber. The tensioner 100 includes a relief mechanism that relieves oil to the outside of a plunger 110 when the oil pressure in the pressure oil chamber formed between the plunger 110 and a plunger containing hole 121 in a housing 120 increases, relief holes 141 extending through the plunger 120 from the inside of a plunger inner space 111 to an outer circumferential side thereof, and a hole closing member 142 that is pressed into an opening of each of the relief holes 141 on the outer circumferential side.

Abstract: A protective ring with an annular shape that is formed of an elastic member and is mounted in an annular groove formed in a butt adhesion surface of a first cylindrical member and a second cylindrical member includes a band-shaped ring body and a ridge protruding from a center of an inner surface in a width direction and pressed against the annular groove. The ridge is continuously formed such that a cross section of the ridge is semicircular-shaped and has a smaller diameter than a width of the ring body, and the width of the ring body is larger than a thickness of the protective ring in a radius direction.

Abstract: An assembly is provided for rotational equipment. This assembly includes a plurality of seal shoes, a seal base and a spring system. The seal shoes are arranged about a centerline in an annular array. The seal shoes include a first seal shoe. The seal base circumscribes the seal shoes. The spring system connects the seal shoes to the seal base. The spring system includes a first spring element and a second spring element. The first spring element extends axially along the centerline in a first axial direction from the seal base to the first seal shoe. The second spring element extends axially along the centerline in a second axial direction from the seal base to the first seal shoe. The second axial direction is opposite the first axial direction.

Abstract: A butterfly valve includes a valve body with an internal flow passage, a seat ring attached to an inner peripheral surface of the internal flow passage, a valve stem rotatably supported by the valve body, and a valve element rotatably supported by the valve body via the valve stem. The valve element has an annular outer peripheral edge surface, and includes, at opposite positions in the direction of the rotation axis on the outer peripheral edge surface, two valve-stem openings for the valve shaft to pass therethrough. The outer peripheral edge surface of the valve element includes two annular opening raised portions each extending along the periphery of the corresponding valve stem openings, and peripheral edge raised portions connecting the two opening raised portions, each having a peripheral edge sealing surface extending along a top thereof, and chamfered surfaces inclined and extending along both sides of the peripheral sealing surface.

Abstract: Some embodiments of the present invention provides an electronic expansion valve, including: a valve body, the valve body having a valve port; a valve head, movably provided in the valve body, the valve head being configured for blocking the valve port; a rod member, the rod member having a first end and a second end opposite to each other, wherein the first end is provided in a cavity of the valve head in a penetrating manner, the second end has a positioning structure, the positioning structure is configured for positioning a circumference of the rod member, the positioning structure is a positioning flat surface, and the positioning flat surface is parallel to an axis of the rod member; a valve sleeve, provided in the cavity of the valve head.

Abstract: A rocker valve for opening or closing a fluid connection includes a valve chamber into which at least one opening feeds, a pivotally mounted rocker switch, and a membrane surface located between the rocker switch and the opening. By pivoting the rocker switch, the opening can be fluidically opened or closed relative to the valve chamber. The rocker valve further includes a sealing element that is located between the membrane surface and the opening when the rocker switch closes the opening relative to the valve chamber.

Abstract: A new and innovative high-pressure priming valve is provided for use in high-pressure fluid systems that require a high level of fluid purity. The priming valve includes at least three ports, some of which are angled. The priming valve also includes a needle that variably blocks and unblocks a pathway to one of the ports between normal operation and a priming operation, respectively. The priming valve includes a sealing insert positioned below a stack of washers that maintain the needle's alignment in response to high fluid pressures exerted on the needle. The sealing insert helps prevent fluid from contacting the stack of washers, which helps prevent biological growth within the valve. The angled ports help facilitate priming valve drainage to further help prevent biological growth. By helping prevent biological growth, the sealing insert helps prevent fluid contamination and enables the priming valve to be utilized for high-purity fluid applications.

Abstract: A valve having a valve housing and a shut-off element, the valve housing having a cavity for receiving the shut-off element, at least one inlet opening for a fluid to flow into the cavity and at least three outlet openings for the fluid to flow out of the cavity, the shut-off element having a guide body and being arranged in a movable manner at least partially in the cavity of the valve housing, the shut-off element having at least one shut-off projection for shutting off at least one of the outlet openings.

Abstract: A valve block for single use in a bioprocess, having a plurality of valve units and a one-piece block body having a main conduit. Each valve unit includes a secondary conduit, a valve seat between the secondary conduit and the main conduit, a closure part having a gripping portion, and an actuator coupled to the gripping portion which can transfer the closure part from a first switching position, in which the closure part is pressed against the valve seat and blocks a fluid communication between the secondary conduit and the main conduit, to a second switching position, in which the closure part is lifted from the valve seat and unblocks the fluid communication between the secondary conduit and the main conduit. The gripping portion is sealed against both the main conduit and the secondary conduit in both switching positions of the valve unit.

Abstract: A dual union drain valve assembly has one or more reversible check valve inserts in the fitting(s) that are coupled to the drain valve body. The coupling of the fittings to the drain valve body is done using union couplings permitting the easy installation and/or reversal of the check valve insert(s). In addition, the union couplings permit removal of the dual union drain valve assembly from the surrounding plumbing system for service or replacement of the dual union drain valve assembly.

Abstract: A device and method for shutting off fluid-flow in a pipe. The device includes a moveable sealing member inside a pipeline, a longitudinal spring configured to bias against the sealing member in a first direction, and a lateral spring at an angle to the longitudinal spring wherein the lateral spring is configured to bias against the sealing member in a second direction. The device includes a housing with a passage configured to be positioned inline with a pipeline, and a sealing seat. A locking element is biased against the sealing member using the lateral spring to maintain an open position with the sealing member off of the sealing seat. The locking element is configured to move from the sealing member upon a fluid overpressure in the passage, whereby the sealing member extends into the seal seat to close off the pipeline upon the overpressure.

Abstract: A valve assembly structured to reduce the volume of water along a path of fluid flow of a water supply line, including a valve body having a stabilizing chamber, a receiving chamber, and a valve member disposed therein. The valve member is disposable between an open orientation and a closed orientation relative to fluid flow between the stabilizing and receiving chambers. A biasing structure is disposed to normally bias said valve member into the closed orientation and is configured to exert a predetermined biasing force on said valve member. A transfer passage is disposed in fluid communication with and between the stabilizing and receiving chambers and is configured to define and direct a decreased volume of fluid flow, at an increased water pressure, on said valve member, wherein the increased water pressure is greater than the predetermined biasing force and sufficient to dispose the valve member in the open orientation.

Abstract: A device for controlling the flow of a fluid through a conduit from an upstream side of the device to a downstream side of the device. The device includes a housing defining a valve aperture and a mounting member arranged on the downstream side of the valve aperture. A valve member is movably mounted on the mounting member and is arranged to selectively open and close the valve aperture to control the flow of fluid. A soft seal is arranged on the housing for substantially sealing the valve aperture when the valve member contacts the housing. The soft seal is located downstream of a convex curved surface of the housing which is shaped to separate the flow of fluid through the valve aperture away from the surface of the housing such that the fluid does not impinge directly on the soft seal.

Abstract: A valve seat for a pumping assembly. The valve seat includes a body including a gradient material structure that defines a strike face for the valve seat. The gradient material structure has a first material, a second material spaced from the first material, and a smooth compositional transition between the first material and the second material. In addition, the valve seat includes a bore extending through the body.

Abstract: A fluid control system for supplying fluid to a fluid consumer, having a valve module including a channel body to which a fluid switching valve, a fluid pressure regulator and a vacuum switching valve are attached, the channel body having a first fluid channel extending from a fluid input port to an input port of the fluid pressure regulator and having a second fluid channel extending from an output port of the fluid pressure regulator to an input port of the fluid switching valve, and having a third fluid channel extending from an output port of the fluid switching valve to a fluid consumer port, and having a first vacuum channel extending from a vacuum input port to an input port of the vacuum switching valve, and having a second vacuum channel extending from an output port of the vacuum switching valve to the fluid consumer port.

Abstract: A valve base 15 has: a valve base main body 20 on which a connector accommodating portion 37 and a board installing hole 38 are formed; a board assembly 42 provided with a plurality of output terminals and a plurality of input terminals connected to the output terminals by output wirings, and attached to the board installing hole 38; a relay connector 41 provided with a solenoid-side connection portion connected to a solenoid terminal and a board-side connection portion connected to the output terminals, and attached to the connector accommodating portion 37; and a through hole 55 provided on the valve base main body 20 so as to communicate with the connector accommodating portion 37, and exteriorly exposing a part of the relay connector 41. A manifold electromagnetic valve is formed by striking the valve bases 15 against each other. A type of solenoid valve is indicated by the relay connector 41 attached to the valve base 15.