Abstract: Hydraulic circuit comprising a low-pressure circuit (6) fed by a booster pump (4) that draws from a very-low-pressure reservoir (2), characterized in that this very-low-pressure reservoir (2) is leaktight and has a device for placing the internal volume (12) under negative pressure with respect to atmospheric pressure.

Abstract: A pressure intensifier for fluids, in particular for liquids, comprising a cylinder block in which a pressure intensifier piston and a control piston move cyclically, wherein the pressure intensifier piston forms a high-pressure working chamber and a low-pressure working chamber in the cylinder block and the cylinder block has a low-pressure connection for feeding in low-pressure fluid from outside, a high-pressure connection for discharging higher-pressure working fluid towards the outside and a connection for discharging fluid whose working capacity in the pressure intensifier is exhausted, wherein the cylinder block has a coupling portion rigidly connected with it, which can be inserted into a receiving bore of a hydraulic block and fixed there, so that the receiving bore encloses the coupling portion, wherein the coupling portion has at least two fluid transfer regions fluidically separated by a seal, for exchanging fluid between the pressure intensifier and the hydraulic block into which it is inserted.

Abstract: A hydraulic system includes a hydraulic pump. A first hydraulic shock is coupled to a first port of the hydraulic pump. A second hydraulic shock is coupled to a second port of the hydraulic pump. A first hydraulic cylinder is coupled to the first port of the hydraulic pump. A second hydraulic cylinder is coupled to the second port of the hydraulic pump. A first valve is coupled between the first hydraulic cylinder and second hydraulic cylinder. The first valve can be actuated by a computer system or can be a ball and spring check valve. A second valve is coupled between the first hydraulic cylinder and second hydraulic cylinder. A flow direction of the second valve is opposite a flow direction of the first valve. A first piston is disposed in the first hydraulic cylinder, and a second piston is disposed in the second hydraulic cylinder.

Abstract: A device mounting structure for mounting a load maintaining mechanism on a hydraulic cylinder, a pipe for suppling and discharging working oil to and from the hydraulic cylinder being connected to the load maintaining mechanism such that the working oil is led thereto, includes a single coupling portion that includes a screw hole and is provided on the hydraulic cylinder, and a bracket to which the load maintaining mechanism is fixed, the bracket being coupled to the coupling portion via a first screw member that is screwed into the screw hole, wherein the bracket includes a first through hole through which the first screw member is passed so as to leave a gap in a radial direction.

Abstract: An actuator system comprising a rotatable lock mechanism defining a path for an actuator pin as the actuator is expanded and retracted, wherein the lock mechanism defines an entry passage through which the pin enters as the actuator extends, a guide surface along which the pin travels from the entry passage as the actuator retracts, a locking recess into which the pin is guided by the guide surface, and an exit passage into which the pin is guided as it is caused to leave the lock recess by extension of the actuator and subsequent retraction; whereby a detent surface is provided to prevent the pin returning back into the lock recess when the actuator is extended to cause the pin to leave the lock recess.

Abstract: A panel splice connector configured to splice two adjacent linear panels at their respective longitudinal ends. The connector comprises a longitudinally extending base portion, having a length and a width, and two wall portions each extending from the base portion at opposed, longitudinally extending sides thereof. At least one of the wall portions comprises a resilient section that allows a free, longitudinally extending edge of said wall portion to be resiliently displaceable towards the base portion.

Abstract: A connection between at least two joining partners includes an interlying joining gap, with opposite joining surfaces. At least one of the joining surfaces is wetted with an adhesive layer having incorporated and/or attached solids particles, and the remaining joining gap is filled with an inorganic and/or organic filler material.

Abstract: A piece of furniture, comprising a first and a second furniture part, which are coupled to each other at an angle by means of mechanical coupling means. A female part is made as an oblong slot in the second furniture part with an insertion opening for introducing a male part. When coupling the first furniture part and the second furniture part to each other, the male part is brought from an insertion position in the insertion opening to an end position in the female part by moving the male part and the female part along each other. The male part is situated on a narrow end of the first furniture part and is positioned with its center line between the central plane of the first furniture part and the inner side of the first furniture part. The slot is realized in the inwardly directed flat side of the second furniture part.

Abstract: A pin locator includes a body having a base and a pin projecting from the base. The base includes an undercut in a first face around the pin and a sink saver in a second face of the base. A workpiece assembly is also disclosed having a first workpiece including an integral, projecting pin and an undercut around the pin as well as a second workpiece including a locator aperture for receiving and holding the pin.

Abstract: In order to provide an anchor element for fastening an article to a further article, this anchor element being simple and inexpensive to produce and enabling an article to be fastened to a further article simply and reliably, it is proposed that the anchor element should include a base body that takes a hollow form, at least in certain regions, and surrounds a receiving space for receiving a fastening element, wherein the base body includes one or more elastically yielding spring elements that are formed by one or more wall portions of the base body, and these project into the receiving space in an installed condition of the anchor element.

Abstract: A non-rotating toggle fastener comprises a tubular body; a slidable interior nut; pivoting, spring activated, locking arms; and an escutcheon at the opposing end from the locking arms. The nut has a threaded interior over which a plastic insert is placed. The escutcheon has a flat proximal area extending beyond the perimeter of the body and threaded distal section that is recessed into the interior of the body. Preferably the body is a polygon to prevent rotation. Triangular shaped fins can extend on the exterior of the body from the escutcheon to the end of the body to prevent rotation. The pressure of threading a screw through the insert simultaneously slides the nut to a position adjacent the locking arms prior to the screw engaging the threaded interior perimeter. The toggle fastener can be manufactured from metal or a combination metal and plastic or composite.

Abstract: A process for joining fiber composite materials using self-piercing rivets. The process includes contacting first and second panels. The second panel is a fiber composite material. The process further includes elevating a temperature of only a fastening portion of the second panel. The process also includes placing the first and second panels on a die and joining the first and second panels with one or more rivets while the fastening portion is at an elevated temperature.

Abstract: A fastening assembly and a method of coupling a flange joint are provided. The fastening assembly includes a channel assembly including an elongate web having a pair of opposing side edges, a plurality of spaced apart apertures extending through the web, and at least one anti-rotation lip extending away from the at least one side edge of the pair of side edges. The fastening assembly also includes a threaded nut assembly including a threaded internal bore and an external anti-rotation tab, the threaded nut assembly coupled to the web with the threaded bore aligned with a respective one of the plurality of spaced apart apertures. The fastening assembly further includes a clinch nut assembly including a threaded internal bore, an external anti-rotation tang, and a bore extension, the clinch nut assembly configured to fixedly couple the web to an outside face of a connection flange.

Abstract: Systems and methods are disclosed herein for dressing centering a bearing compartment in a gas turbine engine. A nut may be inserted through an outer case of a gas turbine engine. The nut may be coupled to a strut which centers a bearing compartment. The nut may be rotated to achieve a desired tension on the strut to center the bearing compartment. A retaining plate comprising a collar may be positioned over the nut. A swaging tool comprising a swaging ramp may be positioned over the nut. The swaging tool may be forced against the retaining plate using a draw-in bolt. The swaging ramp may contact the collar and form indentations in the collar to lock the nut in place.

Abstract: A fastening system is configured to be securely fastened from one side of at least one component. The fastening system includes a fastener including a shaft having a distal end extending from a head. A first channel is formed through the fastener between the head and the distal end. A nut is configured to be connected to the fastener. The nut includes a second channel that is coaxially aligned with the first channel.

Abstract: A male fastener, female fastener, and a plunger that is adapted to secure the female fastener to the male fastener, and to prevent unwanted loosening of the female fastener from the male fastener. The male fastener includes a shaft that may optionally include a plurality of protruding elements that extend outwardly from an external surface of the shaft. The protruding elements may be radially positioned in rows around a circumference of the shaft, to create a channel between the rows of protruding elements. The channel is adapted to receive a corresponding thread located within an aperture of the female fastener. The plunger is adapted to be inserted into a trench located between a set of protruding elements (or into multiple trenches located between multiple protruding elements). The plunger prevents the female fastener from rotating around the shaft in a direction towards the bottom portion of the male fastener.

Abstract: A quick release pillow block bearing assembly has end pieces, a center bearing housing carrying a bearing, and quick release pins for retaining the bearing housing with the end pieces. The invention enables replacement and or repair of the bearing and its counterparts easily, efficiently, and less often. The user need only remove the quick release pins remove the bearing housing and thereby gain access to the housing, which also provides access to the bearing/shaft and counterparts. Upon removal of the quick release pins, the center housing may be removed from the structure, while the end pieces stay in place, allowing one to remove and install the bearing quickly. It also enables removal of the shaft in seconds, thus permitting easy and quick replacement of worn sections of the bearing.

Abstract: A thrust bearing includes: a thrust plate in a disc shape having an outer diameter and an inner diameter formed by perforating a central portion of the thrust plate; a plurality of bump foils disposed radially on a top surface of the thrust plate; a plurality of top foils in a panel shape covering each of the bump foils, where bottom surfaces of the top foils are in contact with upper ends of the bump foils; and metal blocks radially disposed on the top surface of the thrust plate and formed to be spaced apart from the bump foils. The thrust bearing can be included in an air compressor of a vehicle.

Abstract: A roller bearing assembly including an tapered inner cup (110) defining an inner raceway (118), an tapered outer cup (130) defining an outer raceway (138), the outer raceway having a convex profile, the convex profile being defined by an intersection of the outer raceway and a central plane in which a longitudinal center axis of the roller bearing assembly lies, and a plurality of cylindrical rollers (150) disposed between the tapered inner cup and the tapered outer cup so that each roller is in rolling contact with the inner raceway and the outer raceway, each roller having a first end face (152), a second end face (154) and a cylindrical body extending therebetween.

Abstract: A bearing ring having an elongated sensor element that runs along at least a part of a surface of the bearing ring. The connection between the sensor element and the bearing ring is established by a metallic metal material connected by material bonding with the bearing ring as well as with the sensor element. To improve the life of the bearing a sensor element is arranged in a groove that is machined in the bearing ring. The groove extends from the surface of the bearing ring. The metallic material includes or is connected with a flat metallic strip. The flat metallic strip is arranged at or in the surface of the bearing ring and covers the groove.

Abstract: One embodiment describes a bearing damper including a housing; a damper with an annular gap and an internal spring, in which the annular gap is formed between an inner rim and an outer rim of the damper, the internal spring circumferentially bounds the annular gap, the outer rim is coupled to the housing, and the annular gap is configured to be filled with fluid used to dampen vibrations produced on a drive shaft; and an external spring coupled to the housing and to the inner rim, in which the external includes an axial stiffness engineered to externally offset axial forces exerted on the inner rim of the and a radial stiffness engineered to externally offset a first portion of radial forces exerted on the inner rim and to permit a second portion of the radial forces to propagate the vibrations from the drive shaft to the inner rim.

Abstract: A threadless linear guide includes a rail, a slide block, a recirculation assembly, and a fixing member. The slide block, the recirculation assembly, and the fixing member are positionable with respect to each other through retention engagements therebetween so that the components can be coupled to each other without screws. A reinforcement plate is provided for reinforcing the strength of the recirculation assembly for the recirculation assembly is generally formed of injecting molding, while the fixing member and the reinforcement plate are made of metal. Thus, with the fixing member and the reinforcement plate enclosing the recirculation assembly, any foreign object jamming in the interior would not cause the rolling bodies to eject out through the recirculation assembly during the operation of rolling bodies.

Abstract: A magnetic bearing assembly is for levitating a generally drum-shaped, vertical rotor such that the drum itself is the target of magnetic actuators. The magnetic bearing assembly basically includes at least one active radial actuator configured to center the drum-shaped rotor in an annular air gap so as to enable contactless rotation. The one or more radial actuators are configured to act principally against gravity and is/are located in essentially the same vertical plane as a center of gravity of the drum-shaped rotor.

Abstract: A taper roller bearing includes: an inner ring, an outer ring, a plurality of taper rollers in which a cavity portions are formed on a large end surface, and an annular cage. The cage includes a small-diameter annular portion on one axial side, a large-diameter annular portion which is positioned on the other axial side and on the outer side in the radial direction of the large flange, and a plurality of column portions. An outer diameter of an axial inner surface included in the large-diameter annular portion is greater than a diameter of a virtual circle that links outer end portions in the radial direction of the cavity portions of the plurality of taper rollers.

Abstract: A thrust roller bearing cage (11) of the present invention is included in a thrust roller bearing (20) and includes a plurality of pockets (21) accommodating rollers (13). The thrust roller bearing cage (11) includes: a first cylindrical portion (36) extending in a direction of a rotation axis (12); a first disc portion (31) continuous with the first cylindrical portion (36) and extending in a radially outward direction; and a second cylindrical portion (37) continuous with the first disc portion (31) and extending in the direction of the rotation axis (12). The first cylindrical portion (36), the first disc portion (31), and the second cylindrical portion (37) are formed in an area located radially inside the pockets (21). The first disc portion (31) has a through hole (53).

Abstract: A linear guide with lubrication device includes: a elongate rail; a slide module slidably mounted on the elongate rail and including a slide block and two recirculation members, which are respectively mounted to two end faces of the slide block and include a plurality of recirculation passages, in which at least one of the recirculation members includes a lubricant reservoir and a fixing through hole formed therein such that the lubricant reservoir, the recirculation passage, and the fixing through hole are in communication with each other and the lubricant reservoir receives lubricant filled therein; an application member received in the fixing through hole; a transferring member covering the application member and the transferring member absorbing and transferring lubricant to the application member. Rolling bodies, when moving through the recirculation passage, may contact the application member to have lubricant applied thereto.

Abstract: A rotating conduit joint has a pair of conduits engaged with a bearing set. The bearing set has an outer race an inner race separated by ball bearings. The conduits have clearance holes aligned with radial holes in the races. Screw fasteners are engaged with the clearance holes and radial holes to secure the conduits to the bearing set in mutual rotation. The radial holes may be filled with a lubricant. Furthermore, the radial holes may be of constant diameter, conical, or threaded and may be open to the ball bearings to deliver the lubricant to the ball bearings.

Abstract: A fluid bearing for use in turbomachinery including at least one bearing pad configured to be arranged about a rotating member of the turbomachinery. Each bearing pad includes an internal cooling opening defined in the bearing pad and an internal channel network defined in the bearing pad with at least one channel node in fluid communication with the internal cooling opening and at least two passageways in fluid communication with and extending from the channel node through the bearing pad. At least one of the passageways extends to an exterior surface of the bearing pad to define at least one cooling discharge opening.

Abstract: A connection arrangement for axially securing a shaft-hub connection includes a shaft and a hub with an inner stop surface for the shaft and an outer groove for axially positioning a securing device. The securing device has an axially extending sleeve-shaped part and a radial collar. The sleeve-shaped part at least partly surrounds the circumference of the hub, and the radial collar at least partly engages behind the annular end surface of the hub. The inner stop surface for the shaft in the housing is formed by a recess. The securing device includes a radially deformable holding socket, the axially extending sleeve-shaped part of which is surrounded by a tensioning strap.

Abstract: Indicator device (90), for indicating proper alignment of bolt-and-nut holes of two abutting flanges (72,72?) of two tower sections (2,5) of a wind turbine tower structure (1), the indicator device (90) comprising a connector (122) for connecting the indicator device (90) to an inner face (71) of one of the flanges, and a body (100) having a first body end (101) and an opposite second body end (112) closer to the connector (122), the indicator device (90) including a resiliently deformable part (150), a pneumatic system or a hydraulic system allowing for the indicator device (90) to assume a normal configuration wherein the first body end (101) is distant from the connector (122), and a second configuration wherein the first body end (101) is located closer to the connector (122), the resiliently deformable part or pneumatic system or hydraulic system urging the first body end (101) from the second configuration towards the first configuration.

Abstract: A vehicle includes a first drivetrain component and a second drivetrain component. The first drivetrain component defines a splined orifice. The second drivetrain component has a shaft that includes splines that are configured to clearance-fit the splined orifice upon engagement up to a first length and interference-fit the splined orifice upon engagement beyond the first length. Engagement of the splines and the splined orifice at substantially the first length counteracts loads perpendicular to an axis of the shaft preventing disengagement of the first and second drivetrain components.

Abstract: A protrusion shaft portion is provided on an end surface of a shaft on a joint fitting side, and a recess into which the protrusion shaft portion is fitted is formed in an inner surface of a bottom wall of the mouth section of the outer joint member. The recess allows angular displacement of the shaft to a predetermined operating angle, and the protrusion shaft portion is brought into contact with a wall surface of the recess at the predetermined operating angle so that angular displacement exceeding the predetermined operating angle is regulated. Allowable angular displacement in the recess is within a range of preventing the shaft from being brought into contact with an opening portion of the mouth section.

Abstract: In a constant-velocity joint, a center locus of a ball rolling on a first outer large-diameter portion has an arc shape having an arc center, and a center locus of the ball rolling on a second outer large-diameter portion has an arc shape having an arc center. Center loci of the ball rolling on an outer extension portion are positioned; throughout their lengths, in a region inducing a tangent line to an opening-side end portion of the center locus of the ball rolling on the second outer large-diameter portion, the region being positioned outward of the tangent line in a radial direction of the outer joint member. An opening-side end portion of the center locus of the ball rolling on the outer extension portion is positioned outward of the tangent line in the radial direction of the outer joint member.

Abstract: A transmission includes a gear train, a transmission shaft driven by the gear train, a transmission casing incorporating the gear train and the transmission shaft, an axle driven by the gear train, a power take-off (PTO) unit attached to the transmission casing, and a parking brake. The transmission shaft and the axle are extended parallel to each other. The PTO unit includes a PTO input shaft, a PTO shaft, and a PTO drive train transmitting power from the PTO input shaft to the PTO shaft. The PTO input shaft is connected coaxially to the transmission shaft so as to receive power from the transmission shaft. The parking brake is provided on the transmission shaft or the PTO input shaft.

Abstract: A clutch disk (10) for a motor vehicle includes at least two axially opposed friction linings (18), a lining spring (16) and a drive carrier disk (14), wherein the lining spring (16) has at least one fastening portion (16a), a supporting portion (16b) and a plurality of spring segments (16c) arranged adjacent to one another in circumferential direction, and the spring segments (16c) are arranged radially outside at the supporting portion (16b) of the lining spring (16), and the fastening portion (16a) is arranged radially inside at the supporting portion (16b).

Abstract: A clutch disk (10) for a motor vehicle includes at least two axially opposed friction linings (18), a lining spring (16) and a drive carrier disk (14) with a spring window (24), wherein the lining spring (16) has at least one fastening portion (16a), a supporting portion (16b) and a plurality of spring segments (16c) arranged adjacent to one another in circumferential direction, and the spring segments (16c) are arranged radially outside at the supporting portion (16b) of the lining spring (16), and the fastening portion (16a) is arranged radially inside at the supporting portion (16b).

Abstract: A dual clutch that includes a first clutch, a second clutch, a ball ramp assembly and at least one actuator is provided. The first clutch engages and disengages a first set of gears. The second clutch engages and disengages a second set of gears. The at least one ball ramp assembly includes at least one ball, first member and a second member. The first member includes a ball pocket for each ball. The second member has at least one ball ramp. The at least one ball partially received in an associated ball pocket of the first member and ball ramp of the second member. The at least one actuator is configured and arranged to rotate one of the first member and the second member to cause the at least one ball ramp assembly to activate at least one of the first clutch and the second clutch.

Abstract: A dual clutch device is provided with a first piston for engaging a first clutch by using hydraulic pressure supplied to a first hydraulic chamber and disengaging the first clutch by using a first spring, a second piston for engaging a second clutch by using hydraulic pressure supplied to a second hydraulic chamber and disengaging the second clutch by using a second spring, first supply lines for supplying hydraulic pressure to the first hydraulic chamber and a second hydraulic canceling chamber, second supply lines for supplying hydraulic pressure to the second hydraulic chamber and a first hydraulic canceling chamber, a first valve for allowing or blocking the hydraulic pressure supply to the first hydraulic chamber and the second hydraulic canceling chamber, and a second valve for allowing or blocking the hydraulic pressure supply to the second hydraulic chamber and the first hydraulic canceling chamber.

Abstract: A clutch cylinder in a hydraulic pressure system can be charged with a controlled rotational speed of a pump to deliver hydraulic fluid into the clutch cylinder until a biting point of the clutch is reached and exceeded and a motor current of the pump has attained a predetermined minimum value. On the basis of a profile of the controlled rotational speed, a first volume of the hydraulic fluid delivered into the clutch cylinder by the pump up is determined until the minimum value is attained. The value of the first volume can be reduced by a predetermined amount to a second volume, which can be used for clutch processes during vehicle operation, wherein the second volume is delivered into the clutch cylinder, with a high rotational speed of the pump, such that the clutch is filled such that the biting point of the clutch is not quite reached.

Abstract: The invention relates to a method for determining and/or controlling a position of an electric motor, in particular in a clutch actuation system of a motor vehicle, wherein the position of a rotor of the electric motor is picked up by a sensor system situated on a stator of the electric motor outside an axis of rotation of the electric motor, and the position signal picked up by the sensor system is analyzed by an analysis unit. In a method in which the rotor position is detected with a high level of certainty, the position signal is transmitted to the analysis unit depending on a transmission distance between the sensor system and the analysis unit by means of an SPI protocol signal for short transmission distances, and/or by means of a PWM signal for longer transmission distances.

Abstract: A system and method for operating a vehicle equipped with an automatic stop and start system is disclosed. The vehicle includes an internal combustion engine, an automatic transmission and a fluid launch device with an impeller disconnect clutch. A controller may initiate an automatic stop or start of the engine under certain operating conditions. During an engine start/stop event, the engine is automatically shut down and the impeller clutch of the fluid launch device may be disengaged to decouple the engine and transmission from the driveline to provide for improved fuel economy and reduced emissions.

Abstract: Actual pressure of a hydraulic clutch of a motor vehicle can be regulated by: a) providing a value for a desired pressure to be present in a clutch cylinder; b) filling the clutch cylinder with hydraulic fluid to achieve the desired pressure; c) wherein, if the desired pressure lies between 0 and 7 bar, the actual pressure in the clutch cylinder is adjusted by regulating a rotational speed of the pump of the electric motor, and if the desired pressure is greater than 7 bar, the actual pressure in the clutch cylinder is adjusted by regulating a motor current of the electric motor; d) regulating the actual pressure until the desired pressure is achieved.

Abstract: An adjustable friction brake assembly may adjust a variable amount of frictional force required to translate or rotate a shaft, rather than merely locking or unlocking the shaft. The brake assembly includes a housing for internally receiving the shaft, the external portion of the housing including external threading leading into circumferentially spaced fingers extending axially and oriented radially inward to engage the shaft. The brake assembly includes a rotatable adjuster having an internally threaded throughbore for engaging the housing and directing the fingers radially inward to engage the shaft, thereby increasing the required frictional force. For example, by rotating the adjuster clockwise, the required force can be increased; similarly, by rotating the adjuster counterclockwise, the required force can be decreased.

Abstract: A multi-disk brake assembly includes a stator disk that is non-rotatable, a rotatable rotor disk arranged adjacently and coaxially with the stator disk, and an axial retention device. The rotor disk and the stator disk are axially moveable between an engaged position during braking operation and a disengaged position during a released mode of operation. The axial retention device is axially moveable and supports at least one of the disks. The axial retention device includes a set of axially translatable pins or bolts that are pushed by the disks during the braking operation and maintain a predetermined space between the disks during the released mode of operation. The predetermined space and position of the disks is maintained when the brake assembly is subject to forces due to vehicle acceleration or cornering.

Abstract: An electromechanical brake includes a piston installed in a caliper housing so as to be movable forward and backward in an axial direction, and moves forward in the axial direction at the time of performing a braking operation so as to press a friction pad provided to clamp a disc; an actuator which provides rotational force for moving the piston; a spindle which is thread-coupled to the piston, and rotates by rotational force transmitted from the actuator to move the piston forward and backward in the axial direction; and a guide member which is provided to be integrally fixed to the caliper housing and coupled to the piston so as to restrict rotation of the piston and guide forward and backward axial movement of the piston, in which the guide member has a support portion which is coupled to the spindle and supports the spindle in the axial direction.

Abstract: An electromechanical brake is configured to detect a change in motor characteristics through a parking mechanism added to an existing electromechanical brake. Particularly, the electromechanical brake controls braking force by predicting a change in motor characteristics even in the event of a breakdown of a force sensor or even in a case in which no force sensor is utilized.

Abstract: An electromechanical brake device and a method of controlling the same provide the electromechanical brake device capable of estimating motor characteristics, and the method capable of controlling the electromechanical brake device by estimating motor characteristics. The electromechanical brake device includes a reaction force generating mechanism which is installed between a piston and one side of a caliper housing, generates reaction force applied against straight moving force of the piston, which moves backward in an axial direction, in a direction in which a braking operation is released, and applies reaction force to the piston; a sensor which detects a motor operating state; and a controller which estimates a motor torque constant that represents a correlation between motor electric current and motor rotational torque, based on motor operating state information detected by the sensor when an operation of the motor is controlled.

Abstract: An actuating device for an internal expanding brake has a restoring device for manual adjusting and restoring of an adjusting pin relative to an expanding piston. The restoring device includes an actuating pin which is mounted rotatably in a housing and is configured for transmitting a torque which is applied manually to the actuating pin, and a restoring gear mechanism which has a first gearwheel which is coupled to the actuating pin and a second gearwheel which is coupled to an adjusting nut. The first gearwheel of the restoring gear mechanism which is coupled to the actuating pin can be displaced in the axial direction of the actuating pin and can be brought into and out of torque-proof engagement with the actuating pin by means of a coupling device in a manner which is dependent on the transmitted torque.

Abstract: Included are an outer attachment member 12, which is coupled to one of a vibration generator 16 and a vibration receiver, an inner attachment member 11, which is coupled to the other one of the vibration generator 16 and the vibration receiver, and an elastic body 13, which is positioned on the outer side of the inner attachment member 11 to couple the outer attachment member 12 and the inner attachment member 11. The outer attachment member 12 is disposed in at least one pair on the outer side of the elastic body 13, with the inner attachment member 11 being interposed between the at least one pair of outer attachment members 12. Each of the at least one pair of outer attachment members 12 includes an attachment surface 14, which is attached to the one of the vibration generator 16 and the vibration receiver.

Abstract: A switchable damper comprises a housing having a longitudinal axis, a plunger displaceable along the longitudinal axis, a piston arranged between the housing and the plunger, a friction lining arranged on the piston and a switching unit, which is switchable between a blocking arrangement, in which the piston is blocked with respect to a displacement along the longitudinal axis, and a free-moving arrangement, in which the piston is released with respect to a displacement along the longitudinal axis.