Abstract: A torque transmission arrangement for a powertrain of a motor vehicle includes an input and an output. A torque path runs from the input to the output. A torsional vibration damping unit is positioned first, followed by a gear unit, along the torque path between the input and the output. A first slip arrangement and/or a second slip arrangement for generating a speed slip are/is provided in the torque path between the input and the output for vibration damping.

Abstract: A waste management device and a modular power system for such are disclosed. The waste management device may be a compactor or a shredder. The waste management device includes a cylindrical component for handling the waste, and a modular power system arranged to transmit power from one/more motors to the cylindrical component. The modular power system includes an internal gear wheel, a frame and one or more motors attached to the frame. Driving gear wheels of the motors are operably connected to the internal gear wheel such that power of the one or more motors is transmitted from the driving gear wheel(s) to the internal gear wheel.

Abstract: A planetary gearset (6) has a sun gear (10) connected rotationally fixedly to an input shaft (8), a carrier (15) that carries planetary gears (11) and is connected rotationally fixedly to an output shaft (16), and a ring gear (14) fixedly connected to a housing (4) that encloses the planetary gearset (6). To reduce the noise emission from the planetary gearset with as little structural complexity as possible without reducing its efficiency due to pressure rings that are guided and slide against the planetary gears and the carrier, the sun gear (10), the planetary gears (11) and the ring gear (14) are provided with helical teeth and the input shaft (8) is at least indirectly supported on the housing (4), in both axial directions, by way of a single roller bearing (20).

Abstract: A planetary gear device configured by combining a plurality of planetary gear mechanisms includes first and second planetary gear mechanisms sharing a carrier, wherein each planetary gear mechanism is composed of an internal gear Ik (k is an integer equal to or larger than 2) and a planetary gear Pk which is engaged with the internal gear Ik and revolves in a circumferential direction of the internal gear, the planetary gear Pk of each planetary gear mechanism is composed of a spur gear in the form of an external gear, the planetary gears Pk of the planetary gear mechanisms share a central axis or have central axes integrally connected to integrally rotate on a common rotation central axis line or are integrated with each other to integrally rotate on the common rotation central axis line in order to configure the entire planetary gear device as a two-stage gear mechanism, the planetary gear device is configured such that the number of teeth zp1 of a first planetary gear constituting the first planetary gear

Abstract: A transmission may include a compound planetary gear set; a first clutch provided to transmit power of an input shaft to a second rotation element of the compound planetary gear set; a third clutch provided to transmit the power of the input shaft to a third rotation element of the compound planetary gear set; an overdrive provided to increase the power of the input shaft; a second clutch provided to transmit the power through the overdrive from the input shaft to the second rotation element of the compound planetary gear set; a fourth clutch provided to transmit the power through the overdrive from the input shaft to a fourth rotation element of the compound planetary gear set; a first brake provided to selectively stop rotation of the third rotation element of the compound planetary gear set; and a second brake provided to selectively stop rotation of the fourth rotation element of the compound planetary gear set.

Abstract: The present invention relates to a removable fixing device 1 for fixing equipment A on a support B, with: a compressible planar piece 5, an operating lever comprising a cam lever 2, and an assembly rod 3 having a first end and a second end; with: said second end of the assembly rod 3 being provided with a tightening means (4); said compressible planar piece 5, said operating lever comprising a cam lever 2 and said tightening means 4 arranged in tightened position being disposed around said assembly rod 3 in an assemblage; said operating lever comprising a cam lever 2 being arranged so that a rotation of the cam lever 2 about an axis y at right angles to the axis z of the assembly rod 3 induces a displacement of the cam lever 2 between a tightened position and a loosened position.

Abstract: The method for manufacturing a linear motion guide device includes a step of forming a long member (8) having a pair of side wall parts (51) and a bottom wall part (52), a step of attaching a track body (4) to the pair of side wall parts (51) of the long member (8), and a step of cutting away a base member (5) to which the track body (4) is attached by cutting the long member (8) together with the track body (4) into a desired length.

Abstract: The present invention is directed to a self-locking non-backdrivable gear system. The gear system may comprise a primary motor input and self-lubricating gear box. The primary motor input is for rotation of the gearbox about the axis of a drive shaft. The gearbox may comprise an input ring gear, one or more planet locking gears, fixed spur gear, and output spur gear. In operation, rotation of the primary motor input causes rotation of the ring gear which causes rotation of the planet locking gear which causes rotation of the output spur gear which causes rotation of the drive shaft. However, in the absence of rotation of the ring gear, a rotational force applied to the output spur gear causes the gear teeth on the fixed and output spur gears to lock the planet gear in place.

Abstract: A torque converter assembly includes an input plate connectable to a powerplant, a torque converter, and a disconnect clutch external to the torque converter and configured to selectively couple the input plate to the torque converter. The torque converter includes a cover having an outer surface and at least one fluid hole extending through the cover. The disconnect clutch is actuated by pressurized fluid via the fluid hole.

Abstract: An assembly for acoustically influencing toothed wheels, including at least one first toothed wheel having teeth and one second toothed wheel having teeth, wherein the teeth have flanks, wherein at least one flank of a tooth of the first toothed wheel can be engaged with a flank of a tooth of the second toothed wheel, wherein at least one flank of a tooth of the first toothed wheel forms a contact zone or, in the ideal case, a contact line with an engaging flank of a tooth of a second toothed wheel, wherein the contact zone or the contact line is formed at an angle ?Aq, in particular between 5° and 85° or between 95° and 175°, in relation to an axis of an undulation, a microangle distribution, and/or a microangle periodicity of the engaging flank of the tooth of the second toothed wheel.

Abstract: To provide a sprocket that reduces the influence of tension fluctuations concurrent with load torque changes to suppress noise and vibration and that allows for a weight reduction while retaining high strength as well as enables high productivity, and a drive mechanism that uses this sprocket. Sprocket teeth are configured by providing a cushioning layer on tooth faces of tooth portions of a sprocket base body made of a high-rigidity material. The sprocket teeth include the cushioning layer that varies in thickness.

Abstract: Agearbox with motor fixing structure is used to fix a motor on the gearbox. The motor has a body and a shaft protruding from the leading edge of the body. The gearbox with motor fixing structure comprises a box and a metal part. The box has a gear set configured inside. An outer edge of a side wall of the box has a first hole. The metal part is configured inside the box. The motor is embedded in the first hole. The leading edge of the body of the motor is locked on the metal part, and the shaft of the motor passes through the metal part into the box to connect with the gear set.

Abstract: A differential unit includes: a pinion gear shaft including a shaft portion and a gear portion; a ring gear meshing with the gear portion; a differential case that rotates with the ring gear; a differential gear mechanism accommodated in the differential case; a differential carrier having an accommodating space accommodating the differential case and the ring gear; and a pair of bearings supporting the pinion gear shaft such that the pinion gear shaft is rotatable with respect to the differential carrier. The differential carrier has an inner cylindrical portion, an outer cylindrical portion, and a connecting portion that are provided as a single member. The inner cylindrical portion has the pair of bearings fitted in the inner cylindrical portion. The outer cylindrical portion is provided radially outward of the inner cylindrical portion. The connecting portion connects the inner cylindrical portion and the outer cylindrical portion.

Abstract: A gear unit to be mounted in a vehicle includes a housing for storing oil, a partition disposed inside the housing, and a helical gear. The partition defines first and second oil chambers and has a through-hole allowing the first oil chamber to communicate with the second oil chamber. The helical gear disposed inside the first oil chamber rotates during running of the vehicle and has an angled tooth that draws inner and addendum circles defining a virtual circumferential plane. The through-hole coincides with a portion of the virtual circumferential plane in a direction parallel to a central axis of the helical gear. When the helical gear rotates in conjunction with the running of the vehicle, the oil flows from the second oil chamber into the first oil chamber so that an oil level of the first oil chamber becomes higher than that of the second oil chamber.

Abstract: A transmission (G) for a motor vehicle includes a pump (P), an oil sump (S), a hydraulic control unit (HCU), a gear set (RS) for providing different transmission ratios between an input shaft (GW1) and an output shaft (GW2) of the transmission (G), and a cavity (HY) arranged on an input side, in which a torque converter (TC) and/or an electric machine (EM) are accommodated. The cavity (HY) is connected to the oil sump (S) via a gap (C) configured for a passive return of oil out of the cavity (HY) into the oil sump (S). In order to reduce the gap (C), a separating element (T) is configured for making it difficult for oil to flow out of the oil sump (S) to the cavity (HY). A drive train comprising such a transmission (G) is also provided.

Abstract: A hydraulic control valve for controlling hydraulic circuits comprises a valve housing defining a valve bore, a first spool valve slidably positioned within the valve bore and adapted to control a first hydraulic circuit, and a second spool valve slidably positioned within the valve bore and adapted to control a second hydraulic circuit. The first spool valve and the second spool valve are positioned co-axially within the valve bore and are independently slidable within the valve bore to allow the first and second spool valves to control the first and second hydraulic valves independently of one another.

Abstract: An automatic transmission includes a transmission housing having a sump portion, a main transmission fluid pump arranged at the sump portion, and a recess having a fluid return passage. A torque converter mounted in the recess and a scavenging pump arranged in the sump portion and fluidically connected to the fluid return passage.

Abstract: An axle assembly including a lubrication pump operably configured to distribute lubricating fluid within the axle assembly. The lubrication pump includes a fluid inlet port, a fluid outlet port, an air inlet port, and an air outlet valve; a pump housing interposed between the first end and the second end; a piston reservoir disposed in the pump housing, wherein the piston reservoir has a first side and a second side, wherein the second side is in fluid communication with the air inlet port; a piston disposed in the piston reservoir between the first side and the second side; a first check valve housed within the inlet port; a second check valve housed within the outlet port; and one or more biasing members interposed between the piston and the fluid inlet port and the fluid outlet port in the first side of the piston reservoir.

Abstract: A gearbox with flow guiding structure comprises a box and an oil retaining ring. The box has a gear set configured inside. The gear set comprises a worm and an epicyclic gear set engaged with the worm. The box comprises an upper casing and a lower casing. The upper casing is disposed on the lower casing. An oil retaining wall is disposed on the bottom of the upper casing. The oil retaining wall is disposed inside the lower casing sidewall when the upper casing is engaged with the lower casing, and is disposed around the epicyclic gear set. The oil retaining ring is disposed around the epicyclic gear set. The outer side wall of the oil retaining ring has a curvature.

Abstract: An anti-theft device for a vehicle includes an approach prevention cover disposed in a shift lever housing to cover a shift cable connected to a shift lever so as to prevent the shift cable from being detached. Such an anti-theft vehicle makes is possible to easily and efficiently prevent theft of the vehicle by preventing a shift cable operated along with operation of a shift lever from being removed.

Abstract: In at least some implementations, a vehicle shift lever assembly includes a shift lever movable about a first pivot axis within a first shift path having multiple shift positions, and movable about a second pivot axis to a second shift path having at least one shift position, and the second pivot axis is not parallel to the first pivot axis, and a sensor element coupled to the shift lever for movement with the shift lever. The sensor element is oriented in a different position when the shift lever is in each of the shift positions in the first shift path and each of the shift positions of the second shift path.

Abstract: An operating device for a shift by wire assembly in an automobile may include a touch sensitive display for selecting an operation mode of a transmission of the automobile and a haptic guide element configured to guide a touch gesture of an operator corresponding to the selection of the operation mode. The touch sensitive display may be configured to display an image, the image being a graphical, interactive user-interface object that can be moved with the touch gesture of the operator into a predetermined area of the touch sensitive display for selecting the operation mode. The haptic guide element may include at least one selection path along which the image can be moved.

Abstract: A control device for a vehicle including (i) a power transmission device, (ii) a shift operation device that is to be operated by a driver of the vehicle to an operation position corresponding to a shift position of the power transmission device, and (iii) a switching device for switching the shift position of the power transmission device through actuation of an actuator. The control device is configured, upon occurrence of a momentary interruption of a control-device electric-power source that is supplied with an electric power from a vehicle electric-power source, to not perform an initial position learning process for setting a reference position of the actuator, until a shift switching operation for switching the shift position of the power transmission device is performed by a driver of the vehicle.

Abstract: A method of controlling line pressure of a hydraulic circuit of a transmission, may include turning on electric current by a controller to apply the electric current to an electric oil pump and determining line pressure depending on the electric current applied; and turning off the electric current by the controller so that the electric current being applied to the electric oil pump is cut off when the determined line pressure is greater than a predetermined reference upper limit value, estimating line pressure dropping down with a passage of time and determining the estimated line pressure, wherein when the estimated line pressure becomes lower than a predetermined reference lower limit value, the turning on the electric current is repeated.

Abstract: A method for preventing an incorrect learning of a clutch torque of a transmission of a vehicle may include a controller estimating an engine-based clutch torque estimated based on an engine torque; the controller estimating a wheel-based clutch torque estimated based on a driveshaft torsional torque; the controller determining a torque error, which is a difference between the engine-based clutch torque and the wheel-based clutch torque: the controller allowing a learning of the clutch torque when the torque error is equal to or less than a predetermined reference torque; and the controller prohibiting the learning of the clutch torque when the torque error is greater than the predetermined reference torque.

Abstract: A vehicle may include a transmission control unit (TCU) to output a control signal to the transmission; a shift lever; a shift lever electronic control unit (ECU) to transmit a first signal and a second signal, to the TCU; a main communication unit to perform communication between the TCU and the shift lever ECU; a backup communication unit to perform communication between the TCU and the shift lever ECU; and a controller configured to: control the shift lever ECU to transmit first and second signals based on one of a plurality of matching codes having different pulse width modulation (PWM) duty ratios assigned to the respective gear positions of the transmission; determine another one of the plurality of matching codes when the operation commands indicated by each of the first signal and the second signal received by the TCU are different; and control the shift lever ECU based on the determined matching code.

Abstract: A control system operates a power train of a work vehicle. The system includes a transmission arrangement which transfers power from an engine to an output shaft of the vehicle to drive the vehicle in a first or second direction according to at least one forward or reverse modes. The arrangement includes a forward directional clutch and a reverse directional clutch, and a controller. The controller is configured to determine if one of the clutches is engaged; evaluate a speed of the engine; and provide a torque command to engage the other of the clutches to slow the speed of the engine when a shuttle shift is initiated, or when the speed of the engine exceeds a predetermined speed threshold.

Abstract: An apparatus and method for controlling a transmission of a vehicle, may include a determination device that determines whether a curve is present within a predetermined distance ahead of the vehicle, based on information regarding a road ahead of the vehicle, a calculation device that determines lateral acceleration of the vehicle based on information regarding the curve and information regarding a state of the vehicle and determines a pattern correction coefficient based on the predicted lateral acceleration, a pattern correction device that corrects a preset gear-shift pattern based on the pattern correction coefficient, and a controller that is configured to control the transmission based on the corrected gear-shift pattern when the vehicle enters the curve.

Abstract: A shift control device for an automatic transmission includes: an engagement control unit that controls an engagement hydraulic pressure supplied to an engagement hydraulic chamber of an engagement side friction element; a hydraulic pressure detecting unit that detects the engagement hydraulic pressure; a reference setting unit that calculates a predicted value of the engagement hydraulic pressure during shifting, based on a rising characteristic of the engagement hydraulic pressure from when supply of the engagement hydraulic pressure is started to when engagement of the engagement side friction element is started, and sets the predicted value as a reference hydraulic pressure; and an engagement start detecting unit that detects an engagement start time point of the engagement side friction element, based on a difference between the hydraulic pressure detected by the hydraulic pressure detecting unit during the shifting and the reference hydraulic pressure.

Abstract: Presented are Brake Transmission Shift Interlock (BTSI) systems for vehicle powertrains, methods for making/operating such BTSI systems, and vehicles equipped with a BTSI system. A BTSI system for a motor vehicle includes a shifter solenoid with a solenoid body that mounts to the vehicle body, and a solenoid armature that is movably attached to the solenoid body to transition back-and-forth between locked and unlocked positions. The shifter solenoid is selectively operable via a brake control module to move the solenoid armature between the locked and unlocked positions to thereby block and unblock movement of a gear shifter from the park position, respectively. A position switch mounts to the vehicle body adjacent the shifter solenoid and detects the vehicle transmission being in a park mode. The position switch selectively mechanically engages with the shifter solenoid such that the solenoid armature, upon moving to the locked position, pushes closed the position switch.

Abstract: The invention relates to a parking brake for a motor vehicle, including a pivotable locking mechanism for applying a retaining force to a parking brake gear. The locking mechanism can lock into the parking brake gear by means of an axially movable first actuation unit. According to the invention, the first actuation unit is designed as a spring-loaded cam follower. The invention also relates to an operating method for locking and unlocking the parking brake.

Abstract: A piston ring (10) has a running surface (12) and a flank surface (14) which are coated. The uppermost layer of the running surface (12) is a hydrogen-containing or a hydrogen-free DLC layer, and the uppermost layer of at least one flank surface (14) is a chromium layer. A method of producing a piston ring (10) includes forming a DLC layer as the uppermost layer of the running surface (12), and forming a chromium layer as the uppermost layer of at least one flank surface (14).

Abstract: A device for tensioning a stuffing box packing includes a plurality of clamping elements, which press a stuffing box gland against the stuffing box packing and thus press the stuffing box packing against a superordinate assembly. At least two clamping elements are connected in a torque-transmitting manner such that rotation of one of the clamping elements causes rotation of the other clamping element or elements.

Abstract: Sealing assemblies with rolling annular seals are provided. In one embodiment, an apparatus includes a stuffing box having a rolling seal positioned in a body for sealing against a tubing or wireline cable received in a bore of the body. The rolling seal can rotate within the body to roll along the tubing or wireline cable in response to movement of the tubing or wireline cable through the body and friction between the rolling seal and the tubing or wireline cable. Additional systems, devices, and methods are also disclosed.

Abstract: A downhole tool body includes an outer surface having at least one O-ring gland. The at least one O-ring gland includes a first contour having a first radius greater than about 0.035? (R0.89 mm) and a second contour having a second radius greater than about 0.035? (R0.89 mm). A backup ring is arranged in the O-ring gland. The backup ring includes a gland contour having a radius that is complimentary to the first radius.

Abstract: A dust seal which causes a spring to function with stability to improve sealing performance. A seal main body 120 has an outer annular portion 121 which is fixed to an inner peripheral surface of a reinforcing ring 110, and an inner annular portion 123 which has a lip portion 123a which is slidable on an outer peripheral surface of a shaft 200. An annular spring 130 is installed on a sealed space side (O) of the seal main body 120, the spring 130 having an outer pressing portion 131 which presses an inner peripheral surface of the outer annular portion 121 radially outwardly, and an inner pressing portion 132 which presses an outer peripheral surface of the inner annular portion 123 radially inwardly.

Abstract: Various embodiments described herein relate to apparatuses and methods associated with fluid pressure sensor systems and sealing members for the same. The sensing apparatus can include a sensor disposed on a substrate and an engagement member including a generally columnar sealing member configured to engage an inner cylindrical surface of a receiving tube within the housing connected to the substrate about the sensor. The sealing member can define an axial bore extending from a proximal end to a distal end, and one or more media can be disposed in the axial bore such that the sensor can detect a force applied to the media. The sealing member can include an outer sealing surface defining one or more engaging elements extending circumferentially about the sealing member, the one or more engaging elements configured to non-adhesively engage the inner cylindrical surface of the receiving tube to resist removal of the sensor assembly.

Abstract: A seal assembly comprising: a housing defining a groove; a seal disposed in the groove of the housing; and a coupling element adapted to restrict relative movement between the housing and the seal.

Abstract: An arc-shaped stepped magnetic fluid sealing device comprises a casing, a sealing assembly and an end cover. The sealing assembly comprises a shaft, a permanent magnet, a first pole shoe and a second pole shoe. Inner walls of the first pole shoe and the second pole shoe are both arc-shaped faces inclined towards the side where the permanent magnet is located. A sealed cavity with a larger middle and two smaller ends is enclosed by the inner wall of the first pole shoe, an inner wall of the permanent magnet, and the inner wall of the second pole shoe. A portion of the shaft that is located inside the sealed cavity matches the sealed cavity in shape. Inner walls of the first pole shoe and the second pole shoe are respectively provided with first pole teeth and second pole teeth.

Abstract: An application method of applying a liquid agent includes determining any one of positions of the liquid agent at a halfway part between a first end portion and a second end portion in a state in which an application is completed as each of an application start position and an application end position. The method includes applying the liquid agent from the application start position to the first end portion. The method includes turning back from the first end portion and applying the liquid agent to the second end portion, including superimposing, in a height direction, the liquid agent on previously applied liquid agent. The method includes turning back from the second end portion and applying the liquid agent to the application end position, including superimposing, in the height direction, the liquid agent on previously applied liquid agent.

Abstract: An offset butterfly valve comprising a butterfly disc which receives a splined valve stem is disclosed. The butterfly disc is positioned for sealing an annulus formed in the valve housing when the valve stem is rotated from an open position to closed position. Provision of the spline towards the center of the valve stem and the butterfly disc allows the butterfly disc to move along the valve stem. In a particular embodiment a valve seal is secured to the butterfly disc using a securing disc which is threaded into a threaded cylinder concentric with the butterfly disc.

Abstract: A duckbill valve includes a flexible and hollow body having a first shape upon being formed by injection molding. The body in the first shape has a first opening at a first end and a second opening at a second end. The body is configured to be inverted into a second shape. The second shape has a first opening at a first end and has a slit at a second end. The slit is defined by lips that are pressed together to form a seal.

Abstract: The diaphragm valve comprises a body with a flow path, a stem, a diaphragm, a diaphragm depressor attached to the lower end of the stem, and a connecting member which connects the diaphragm and the diaphragm depressor. Further, the connecting member has a rod-shaped part to be connected to the diaphragm depressor and a flange part which is radially protruding in a circular shape at the lower end of the connecting member and having at least one notch on the outer peripheral edge. Furthermore, the rod-shaped part has a radially concaved constriction part above the flange part, and the flange part and the constriction part are embedded in the central part of the diaphragm.

Abstract: A control valve includes a casing, a valve body, and a seal cylinder member. The casing has an inlet and an outlet. The valve body is rotatably disposed inside the casing, and has a circumferential wall portion formed with a valve hole providing communication between the inside and the outside. One end portion of the seal cylinder member communicates with the outlet, and a valve sliding contact surface is provided at the other end portion. A flow rate control groove having a bottom surface which is recessed with respect to the outer circumferential surface of the circumferential wall portion and has one end portion continuous with the valve hole is provided on at least one of a front side and a rear side of an edge portion of the valve hole in the circumferential wall portion in a rotating direction of the valve body.

Abstract: A control valve includes a casing, a valve body, and a seal cylinder member. The casing has an inlet and an outlet. The valve body is rotatably disposed inside the casing, and has a peripheral wall portion formed with a valve hole providing communicating between the inside and the outside. One end portion of the seal cylinder member communicates with a downstream side of the outlet, and a valve sliding contact surface is provided at the other end portion. A protruding height of the other end portion of the seal cylinder member continuously changes in a circumferential direction thereof to conform to a shape of an outer circumferential surface of the circumferential wall portion. A region of the other end portion of the seal cylinder member where the protruding height is lower is provided with a thick portion that is thicker than other portions and reaches the valve-sliding contact surface.

Abstract: A damper valve assembly for an exhaust system of a vehicle includes a valve housing and a valve flap. The valve housing is adapted to be attached to a pipe of the exhaust system and defines an opening. The valve flap is rotatable relative to the valve housing and about a pivot axis between a first position whereat fluid flow through the opening of the valve housing is restricted and a second position whereat fluid flow through the opening of the valve housing is allowed. The valve flap includes a body and a mass damper. The mass damper is integral with the body and includes a plurality of segments that are folded so that the plurality of segments are in a stacked arrangement.

Abstract: A damper valve assembly includes a valve housing, a valve flap and a torsional spring. The valve housing is adapted to be attached to a pipe of an exhaust system and defines an opening. The valve flap is rotatably coupled to the valve housing about a pivot axis. The valve flap is movable between a first position whereat fluid flow through the opening of the valve housing is restricted and a second position whereat fluid flow through the opening of the valve housing is allowed. The torsional spring engages the valve flap to bias the valve flap toward the first position. A preload of the torsional spring when the valve flap is in the first position is adjustable.

Abstract: A manifold block is provided with attachment grooves for attaching silencer members and a plurality of individual exhaust paths that are branched from the attachment grooves and open on fixing regions of a valve mounting surface. Openings along the axes of the attachment grooves are formed as exhaust ports in lightening grooves on the bottom surface of the manifold block. The silencer members are held in the attachment grooves. The individual exhaust paths communicate with the exhaust ports through the silencer members.

Abstract: A servovalve includes a torque motor section and a hydraulic section. The torque motor section may comprise first and second opposing pole pieces and first and second permanent magnets may be positioned between these first and second pole pieces. The torque motor section also comprises an armature/flapper assembly which comprises a torsion bridge, an armature plate and a flapper that is connected at a first end to the armature plate. The flapper extends from said armature plate along a first longitudinal axis X. The armature plate may extend between the first and second permanent magnets and along a second longitudinal axis Y that is perpendicular to the first axis X. The hydraulic section comprises: a housing that comprises a body section and a chimney section. The chimney section extends from the body section to a first end.

Abstract: A sleeve is provided inside a body configuring a channel selector valve, and first and second guide portions with which outer peripheries of first and second land portions of a valve body are in sliding contact are formed on one end side and the other end side of the sleeve. The first and second guide portions are formed to axially overlap with the first and second land portions so as to abut the first and second land portions at all times when the valve body axially moves. The valve body includes a plurality of communicating paths penetrating through the valve body in the axial direction, and, in the sleeve, a first space formed on one end side of the valve body and a second space formed on the other end side of the valve body communicate with each other via the communicating paths.