Abstract: A fluid machine and its operating method are provided. The fluid machine (10) includes a main body (1), a screw set (2), a capacity adjustment mechanism (3), an intermediate pressure sensor (5), and a controller (6). The main body (1) includes a low-pressure chamber (11), an intermediate-pressure chamber (12), and a high-pressure chamber (13). The screw set (2) includes a pair of first screws (21) in the low-pressure chamber (11) and a pair of second screws (22) in the high-pressure chamber (13). The capacity adjustment mechanism (4) includes a first slide valve (41) disposed corresponding to the first screws (21) and a second slide valve (42) disposed corresponding to the second screws (22). The intermediate pressure sensor (5) is placed in the intermediate-pressure chamber (12) for obtaining its interior pressure. The controller (6) drives movement of the first slide valve (41) and the second slide valve (42).

Abstract: A rotor for a mud motor includes a core having a first outer shape, and a shell positioned around the core, the shell having a second outer shape that is different from the first outer shape, the second outer shape defining one or more lobes and one or more cavities that are configured to engage a bore of a stator during rotation of the rotor relative to the stator. A thickness of the shell varies as proceeding around the core, from a non-zero minimum thickness to a maximum thickness.

Abstract: A gear pump having a pump housing, a rotatably mounted drive shaft extending into the pump housing, and a rotor of a drive motor. The rotor is attached in a rotationally fixed manner on the drive shaft, and at least one drive gearwheel which is arranged in a rotationally fixed manner on the drive shaft in the pump housing. At least one gearwheel is driven by the drive gearwheel, wherein the drive gearwheel is fixed axially on the drive shaft. The drive gearwheel together with the pump housing forms an axial bearing for the rotor.

Abstract: A vacuum pump system comprising a main vacuum pump that is connected to a chamber that is to be evacuated. An auxiliary pump is connected to an outlet of the main vacuum pump. Furthermore, a sealing gas supply device is connected to the main vacuum pump. The sealing gas supply device is switched on and off with the aid of a control device as a function of a predetermined control variable. Additionally, a method for controlling the vacuum pump system.

Abstract: An asymmetric scroll compressor includes a compressor housing. An orbiting scroll member and a non-orbiting scroll member disposed within the compressor housing. The orbiting scroll member and the non-orbiting scroll member each includes a baseplate and a wrap extending from the baseplate. The orbiting scroll member and the non-orbiting scroll member intermeshed to form a plurality of compression pockets. A driveshaft affixed to the orbiting scroll member and configured to orbit the orbiting scroll member from a first orbital position to a second orbital position. A communication port disposed on the baseplate of one of the orbiting scroll member and the non-orbiting scroll such that: in the first orbital position, the communication port communicates with a first enclosed pocket of the plurality of compression pockets, and in the second orbital position, the communication port communicates with a second enclosed pocket of the plurality of compression pockets.

Abstract: A high-capacity pump fabricated with improved motor cooling and corrosion resistant components and powered by a variable-speed brushless DC motor suitable for use with a wide variety of applications. A brushless 12V DC motor is controlled by a manual and wireless variable speed control means to provide unparalleled flow control. The motor is contained within the housing in a sealed cavity in the housing, wherein the cavity is filled with mineral oil which maximizes heat transfer to facilitate motor cooling. A PVC impeller is contained within a PVC section of the housing thereby creating a corrosion resistant impeller section. The pump of the present invention has achieved improved performance over known pumps and is capable of delivering 4,500 gallons per hour (GPH) at 6 feet of head pressure, while only drawing 30 amps at 12 Volts DC. Wireless remote control of the pump is achieved via a wireless enabled device.

Abstract: An outdoor ceiling fan includes a ceiling fan body, a lower tube fixedly connected to the ceiling fan body, and an upper tube insertedly connected to the lower tube. The upper tube is telescopic and adjustable relative to the lower tube through an adjustment seat. A hanger is fixedly connected to the upper tube. The hanger covers the top of the upper tube. A waterproof gasket is provided between the housing of the ceiling fan body and the lower tube. A waterproof ferrule is provided among the upper tube, the adjustment seat and the lower tube. The outdoor ceiling fan has the effects of blowing air over a large area, being waterproof, and having a retractable down rod, lighting function and good safety.

Abstract: An impeller (1) of a fluid pump according to the present invention comprises: an impeller body (10) having a first shroud (20) and a plurality of vanes (30) provided on the first shroud (20); and a second shroud (50) bonded to the impeller body (10) and arranged opposed to the first shroud (20) in a central axis direction across the plurality of vanes (30). The first shroud (20) has a boss part (40) protruding in the central axis direction. The second shroud (50) has a central hole (53) through which the boss part (40) is inserted in the central axis direction. By a combination of a recessed first groove part (41) formed on an outer circumferential surface of the boss part (40) and a recessed second groove part (54) formed on an inner circumferential surface of the central hole (53), a balance hole (B) penetrating in the central axis direction is constituted.

Abstract: A turbo fan, formed by ultrasonic welding, a first component including: a flat portion; and plate-shaped blade portions standing from the flat portion, and a second component having recessed groove portions in each of which an end portion of the respective blade portion fits. The groove portions have a groove width greater than a thickness of the end portions of the blade portions. The turbo fan includes a group of positioning ribs partially burying two clearances created on two sides of the end portion in a thickness direction thereof, respectively, in a pre-welding state. The group of positioning ribs protrude in the thickness direction from the end portion of at least one of the blade portions, or from side surfaces of at least one of the groove portions, and are in contact with side surfaces of the groove portion, or in contact with the end portion of the blade portion.

Abstract: A coupling for a fan hub including an auxiliary unit attached to the coupling; the fan hub attached to the coupling opposite the auxiliary unit, wherein the misalignment-tolerant coupling is configured to translate rotary motion along an axis from the fan hub to the auxiliary unit to provide rotational power from a gas turbine engine to the auxiliary unit.

Abstract: A compressor device of a supercharging device for an internal combustion engine (1), having an inlet channel (21) with a side wall (23), an exhaust-gas inlet (25) in the side wall (23), at which exhaust-gas inlet an exhaust-gas recirculation channel (27) opens into the inlet channel (21), and a flow barrier (29) in the inlet channel (21), which flow barrier at least partially spans the exhaust-gas inlet (25), is spaced apart from the exhaust-gas inlet (25) and is suitable for diverting exhaust gas which flows from the exhaust-gas inlet (25) into the inlet channel (21) at an angle with respect to an axial direction of the inlet channel (21) or with respect to the axis of a compressor (3).

Abstract: An electric submersible pump (100) includes a casing (11) and a closed impeller (4), and the casing includes a suction flow-path portion (14) that faces the closed impeller, has a suction port protruding in a convex shape and is formed integrally with the casing.

Abstract: A fan includes blades and a side plate. The side plate includes a fan ring portion having a cylindrical shape centered on a fan axis. A guide part that is annular is arranged on one side of the fan ring portion in the axial direction and forms a suction port through which the air sucked into the fan passes. A communication path that allows an upstream space located on the one side in the axial direction with respect to the guide part to communicate with a gap between the fan ring portion and the guide part is formed outside the guide part in a radial direction of the fan axis. The fan ring portion is located outside in the radial direction with respect to an innermost peripheral portion of the guide part located on an innermost side in the radial direction.

Abstract: An improved parallel flow pump is provided. The improved parallel flow pump includes clearance for tooling, nuts, and bolts, and further provides smoothed, contoured surfaces and one or more turning vanes to improve the top-to-bottom velocity distribution in the discharge manifold into which the pump flows.

Abstract: A fan frame includes a housing, a shaft seat, a curved rib, a plurality of first ribs, and a plurality of second ribs. The shaft seat is disposed at the center of the housing. The curved rib is disposed between the housing and the shaft seat. The first ribs extend through the curved rib and connect the shaft seat to the housing, and the second ribs connect the curved rib to the shaft seat.

Abstract: A cooling fan module (10) for a vehicle is provided, including a frame (12) and a fan (18). The frame (12) includes an edge (16) which defines an opening (14) of a substantially circular shape through the frame (12) which allows the passage of a flow of air along the direction of an axis central (z) of the opening (14). The fan (18) includes a plurality of blades (20), the fan (18) being arranged to rotate around the central axis (z) to convey the flow of air through the opening (14). The edge (16) includes at least a first cylindrical wall (22) and a second cylindrical wall (24) coaxial with the central axis (z) of the opening (14). The second cylindrical wall (24) protrudes beyond the first cylindrical wall (22) in the direction of the central axis (z). The first cylindrical wall (22) is arranged at a first radial distance from the central axis (z), and the second cylindrical wall (24) is arranged at a second radial distance from the central axis (z), greater than the first radial distance.

Abstract: A heat dissipation system of an electronic device including a body, a plurality of heat sources disposed in the body, and at least one centrifugal heat dissipation fan disposed in the body is provided. The centrifugal heat dissipation fan includes a housing and an impeller disposed in the housing on an axis. The housing has at least one inlet on the axis and has a plurality of outlets in different radial directions, and the plurality of outlets respectively correspond to the plurality of heat sources.

Abstract: The present disclosure provides methods and apparati for separating liquids from production gases and recovering the liquids. The methods and apparati of the present disclosure can reduce or eliminate emissions compared to standard methods and devices and also eliminate the need for haul away of liquids by collecting compressor system liquids in charge vessel(s). The methods and apparati of the present disclosure can also be used to fuel the engines which operate the compressor systems using gas from the compressor drains and the gas used to drain the charge vessel(s).

Abstract: An apparatus and a method are shown for removing or moving a viscous fluid such as grease from a first unit such as a bearing e.g. a ball bearing to a second unit via a hose or pipe. According to the method, the apparatus is shown pumping a viscous fluid from an outlet (11) of a first unit (1) to an inlet (10) of a second unit (2) through a hose or pipe (7), a vacuum pump (3) is connected to the hose or pipe (7) and the viscous fluid is moved through the hose or pipe (7) by suction; wherein the hose or pipe (7) comprises an inlet (8) for gas such as air, and the flow of gas through the inlet (8) is controlled by a valve (9).

Abstract: A spool valve is provided. A valve housing has a pilot fluid passage, and a first portion and a second portion lengthwisely spaced apart from each other. A spool is movably inserted in the valve housing, and includes a plug able to enter the pilot fluid passage between the first portion and the second portion to change a flow area of the pilot fluid passage following movement of the spool. A hydraulic machine provides that when pilot fluid is supplied to the pilot fluid passage through the first portion, at least a portion of the supplied pilot fluid is provided to the holding valve through the second portion. The holding valve allows a flow of working fluid from the first chamber to the spool valve, and the spool moves to a third position to forward working fluid to the second chamber.

Abstract: A system and method configured to direct the braking energy from a high-pressure port at the motor side of a hydraulic circuit to emergency steering, braking, accumulator(s) charging, and/or various work functions. The system and method are also configured to return hydraulic fluid back to the same high-pressure port when the motor is running as a pump.

Abstract: An electrohydraulic control device for an adjustable hydraulic pump system includes a valve device, an electronic control unit and a first fluid sensor. The valve device includes a pressure inlet, a tank outlet and a first electromagnetically actuated valve. An outlet pressure of the first adjustable hydraulic pump system is applied to the pressure inlet. The first fluid sensor detects an actual value of a fluid parameter of the first adjustable hydraulic pump system and transmits it to the electronic control unit. The electronic control unit includes computer-based modeling of the dynamics of the first adjustable hydraulic pump system, and actuates the first electromagnetically actuated valve based on the actual value of the fluid parameter and the computer-based modeling.

Abstract: A device for holding a hydraulic cylinder stem in position includes a hydraulic block having series-connected primary and secondary check valves. The latter includes a secondary control stem having a secondary valve body and a seal. A first throttle upstream and a second throttle downstream are closed in a secondary control stem closed position where the seal tightly blocks the secondary check valve, each throttle having a tiny throttle closing gap, preferably 0.1 mm or less. The control stem can move axially into an intermediate position where the throttles remain closed, that is, have a tiny closing gap, but valve body and seal are lifted from a secondary valve seat. The control stem can be moved further into an opening position where the throttles are open, each having an opening gap much larger than the closing gap, and the valve body and seal are lifted from the valve seat.

Abstract: A diverter test cell can include an enclosure having a body and a cover removably coupled to the body, where the body forms a cavity that is enclosed by the cover, where the body includes an inlet port and an outlet port in communication with the cavity. The diverter test cell can also include an insert removably disposed within the cavity, where the insert has a channel that forms continuously from a first end to a second end of the insert, where the channel has first width at the first end and a second width at the second end, where the first width is less than the second width, where the first end of the insert is adjacent to the inlet port of the enclosure, and where the second end of the insert is adjacent to the outlet port of the enclosure.

Abstract: An angle piece for fluidically connecting fluid lines of a vehicle. The angle piece has a channel portion for altering a flow direction of a fluid about an alteration angle. An input flow direction of the fluid into the angle piece and an outlet flow direction of the fluid from the angle piece form limbs of the alteration angle. At least one guide element is arranged in the channel portion, which guide element protrudes into the channel portion. The at least one guide element altering the flow direction of a part of the fluid by the alteration angle. The angle piece thus has a low pressure drop.

Abstract: A mask frame support unit includes a case, a protruding body extending below the case, and a station having a flat head disposed above the case. The protruding body includes a tapered region and a cylindrical region. The tapered region includes a first end having a first diameter coupled to the case and comprising a second end having a second diameter opposite the first end. The second diameter is less than the first diameter, and the tapered region is coupled to the cylindrical region at the second end. The case houses a number of components including an upper receiving plate in contact with the station, a lower receiving plate disposed underneath the upper receiving plate, a flat head unit movement support mechanism disposed between the lower receiving plate and the body, and a centering component.

Abstract: A harness clamp includes a harness clamp body including a base part, an upright part, a fixing part, a folding back part, a first elongated part, and a second elongated part. A distal end of the second elongated part and the upright part define a first gap. A fourth bent part and the base part define a second gap. The base, folding back, and first elongated parts define a first clamp space to clamp a harness. The base, upright, and second elongated parts define a second clamp space to clamp the harness deformed through the second gap from the first clamp space. Where a length of the first gap is A, a length of the second gap is B, a diameter of the harness is ?, and a maximum diameter of the deformed harness is a, a relationship that B<? and A<a is satisfied.

Abstract: A position-limiting device includes a position-limiting element and a body. The position-limiting element has a position-limiting portion and a blocking portion. The body has a corresponding blocking portion and a fitting portion. The blocking portion of the position-limiting element and the corresponding blocking portion of the body block each other such that the position-limiting element and the body are fitted together. The fitting portion is fitted to an object. The position-limiting element penetrates a position-limited component before being rotated to block or position-limit the position-limited component. Therefore, the body is fitted to the object, and the position-limiting element is rotated to position-limit or move away from the position-limited component, so as to couple together and separate the object and the position-limited component, thereby allowing two objects to be coupled together and separated repeatedly and rapidly.

Abstract: Movement-free quick detach latches. The latches include a monolithic body, a button, a spring, and ball-bearings configured to reduce or eliminate movement when attaching or removing the latch from a rifle, eliminate moving parts that may fail in use, remove the interfacing of a bail with the button, and lower the profile of the latch with the rifle.

Abstract: An apparatus can include a coupler for coupling a robotic arm to a surgical table having a table top on which a patient can be disposed. The coupler can include a first portion configured to couple to a surgical table and a second portion configured to couple to a robotic arm. The second portion may include a post that may translate into the first portion. The first portion may comprise a locking mechanism having one or more stages to constrain movement of the second portion relative to the first portion in six degrees of freedom. The coupler can thus provide secure coupling of the robotic arm to the surgical table.

Abstract: The rivet nut (22) includes: the threaded attachment to replace the weld nut, the collar to spread the load interface to plastic panel (14) and to the attached component, room for a sleeve type compression limiter (24), or a collar that would be an integrated compression limiter.

Abstract: A lock nut includes: a first nut having a tapered cavity; and a second nut including a base portion and a tapered lug boss arranged the base portion. The tapered lug boss can be coupled inside the tapered cavity. The first and second nuts are used in pair by self-locking. A straight slot is formed in the lug boss. Under the locking action of the first nut, the straight slot is deformed to further lock a bolt, or is discontinuously engaged with teeth of the bolt to increase an effective stress surface and locking performance of the second nut for locking the bolt. A convex reinforcing rib extends on a first surface of the first nut. An annular groove is formed in a second surface of the second nut. The convex reinforcing rib is coupled with the annular groove to enhance the strength and reliability of locking.

Abstract: A fastener includes a shank having a threaded section with a first diameter and an unthreaded section with a second, smaller diameter. A flange is attached to the unthreaded section of the shank. A bushing has a tip, a base, and a tapered sidewall extending from the base to the tip. The bushing defines a central hole received on the unthreaded section with the base adjacent to the flange.

Abstract: A method for connecting at least two wooden panels for acoustic and/or thermal insulation. In a first step a metal plate or a metal strip with a thickness less than 1.5 mm with teeth, which face the surface of the at least one wooden panel, is arranged in a direction perpendicular to the surface of the metal plate or the metal strip. An insulating element is attached to the second surface of the wood construction panel with teeth. A second metal plate or metal strip with a thickness of 1.5 mm or less is attached on the insulating element. A third element of a wood construction panel is attached on the second surface of the second metal plate or strip with teeth. Screws are inserted through at least one panel and at least one plate and the screws pierce the metal plate or strip.

Abstract: A tube set device includes first and second tubes and a clamping assembly. The first tube partially extending from an opening into the second tube is telescopic relative to the second tube. The clamping assembly disposed at the opening of the second tube includes a quick-release tube-clamp and a safety lock unit. The quick-release tube-clamp includes a tightening body and a handle. The handle pivoted on the tightening body is able to be switched pivotally between released and locked states. The safety lock unit includes a first matching element disposed on one of the handle and the tightening body and a second matching element disposed on the other one. In the locked state, the first matching element is aligned with the second matching element, and the first and second matching elements are assembled with each other to fix the handle on the tightening body and maintain the locked state.

Abstract: A joint having a base portion, an upper portion, and an actuation portion. The base portion defines a socket. The upper portion has a spherical element at least partially located inside the socket, and the spherical element defines a locking portion. The actuation portion is at least partially located inside the base portion. The actuation portion has a button, a button spring, a pin, a pin spring. The button defines a pin receiving space. The pin has a pin projection, and the pin extends through the pin receiving space. The button is configured to move between a locked position, in which the pin is prevented from moving in an actuation direction, and an actuation position, in which the pin is capable of at least some movement in the actuation direction. The button spring biases the button to the locked position, and the pin spring biases the pin toward the spherical element and abuts the locking portion.

Abstract: In an annular sliding component disposed at a relatively rotating position of a rotating machine and sliding relative to an opposed sliding component, a sliding surface is provided with a plurality of first dynamic pressure generation grooves disposed on a leakage side, having terminating ends, and generating a positive pressure and a plurality of second dynamic pressure generation grooves disposed on a sealing target fluid side, having terminating ends, and generating a positive pressure and a depth of the second dynamic pressure generation groove is shallower than a depth of the first dynamic pressure generation groove.

Abstract: A bearing assembly includes an inner ring with an inner raceway and disposable about a first member and an outer ring with an outer raceway disposed about the inner ring. A middle ring is disposed between the inner and outer rings and has an inner intermediate raceway and an outer intermediate raceway and is configured to connect with a second member so as to be rotatable about a central axis through the first member. A first set of rolling elements is disposed between the inner ring and the middle ring and a second set of rolling elements is disposed between the outer ring and the middle ring. The outer ring is sized such that a ratio of the outside diameter to the axial width is greater than eight to one (8:1) and the middle ring is formed of a material different than the inner and outer rings.

Abstract: A mechanical assembly includes an inner member, an outer member disposed about the inner member, a bearing inner ring, a bearing outer ring and a plurality of balls disposed between the two rings. The inner member has an outer circumferential surface with an outside diameter, which has a tolerance of greater than +/?0.00125?. The outer member has an inner circumferential surface with an inside diameter, which has a tolerance of greater than +/?0.002?. The inner ring has an annular groove with an inside diameter and the outer ring has an annular groove with an outside diameter. The balls are disposed within the two grooves and has a diameter sized such that the sum of twice the diameter plus the inside diameter of the inner ring groove is greater than the outside diameter of the outer ring groove, thereby establishing an internal preload in the bearing.

Abstract: A composite shaft has a fiber orientation that is a combination of fibers perpendicular to each other and a longitudinal axis of the shaft; and a second composite layer disposed at an angle ranging between 25 to 45 degrees+/?3 degrees from the fibers in the first composite layer; a third composite layer disposed at an angle ranging between 7 to 13 degrees+/?3 degrees from the fibers in the second composite layer and each subsequent transition layer(s); a fourth composite layer disposed at an angle ranging between 25 to 45 degrees+/?3 degrees from the fibers in the third composite layer(s); and a fifth composite generally perpendicular +/?3 degrees to each other and the fibers in the fourth composite layer.

Abstract: A bearing assembly includes a bearing unit formed from a stationary bearing ring configured to be connected to a stationary component and a rotatable bearing ring configured to be connected to a rotatable component and a bearing carrier connected to the stationary bearing ring in a rotationally fixed manner, for example, by overmolding. The bearing carrier includes at least one notch that exposes at least one section of the stationary bearing ring.

Abstract: Disclosed is a sealed bearing arrangement that provides at least a bearing with an outer ring and an inner ring, which are rotatable to each other and form a rolling chamber between each other, in which a set of rolling elements. A lubricant is encompassed in the rolling chamber and the rolling chamber is sealed off from an environment by at least one sealing element. The inner ring, the outer ring and/or the sealing element includes at least one opening for providing a fluid passage through the sealing element. The bearing is arranged in a housing that is adapted to seal off the bearing from an outside environment. A lubricant is encompassed inside the housing. The housing including the at least one opening for providing a fluid passage from the inside of the housing to the outside. The opening is fluid tightly connected to an oxygen removing element and/or to a gas tank, which provides an oxygen poor to free fluid flow to the rolling chamber.

Abstract: According to the method of the invention, a lubricant is supplied incrementally to a rotary bearing while the bearing is in operation rotating at a rotational speed. The lubricant is supplied in consecutive steps so that at each step a portion of a prescribed amount of lubricant is supplied, followed each time by an ultrasound measurement. A first ultrasound measurement is performed before the first supply step, and starting from the second supply step, each measurement result is compared at least to the previous result, in order to evaluate the bearing condition and decide on that basis whether to continue the sequence or not. Stopping the sequence is decided when the lubrication of the bearing is assessed as successful, a lubrication failure or over-lubrication.

Abstract: A bearing unit may have a radially outer ring, a radially inner ring, a row of rolling bodies interposed between the radially outer ring and the radially inner ring, a casing inside which the rings of the bearing unit are housed. The bearing unit may further have a sealing device and a disc-like element for protecting the sealing device, made as one piece, entirely of plastic or composite material, axially external with respect to the sealing device, stably anchored in a seat of the casing and having a radial distance (d2) between a radially internal surface of the disc-like element and the radially inner ring ranging between 0.75 mm and 0.95 mm so as to block large-size external contaminants, without making contact with the radially inner ring.

Abstract: A bearing assembly for an electric motor for a vehicle, having at least one main bearing configured to support a rotational element of the electric motor, and a sacrificial bearing. The main bearing includes at least one inner ring having at least one inner raceway, at least one outer ring having at least one out raceway, and at least one plurality of rolling elements disposed between the raceways. The sacrificial bearing provides an outer ring having an outer raceway, an inner ring having an inner raceway, and a plurality of rolling elements disposed between the outer ring and the inner ring. The sacrificial bearing is provided with an electrically conductive lubricant configured to lubricate the rolling elements of the sacrificial bearing. The main bearing is provided with an isolating lubricant configured to lubricate the rolling elements of the main bearing, wherein the isolating lubricant is electrically isolating.

Abstract: A claw clutch for positively connecting a first rotatable component to a second rotatable component. A claw clutch for motor vehicles having an electric drive train which permits a reliable connection of the claw clutch when tooth-on-tooth positions are released and, at the same time, reduces the number of moving elements on the sliding sleeve. A clutch body, which is arranged on the first rotatable component for conjoint rotation therewith, has a first tooth system and a sliding sleeve, which is arranged on the second rotatable component in a manner which allows conjoint rotation and axial movement, has a second tooth system and is axially movable via a shift fork by an actuator system in order to load a spring element by the actuator system in the case of a tooth-on-tooth position. The spring element to be loaded is arranged outside the second rotatable component equipped with the sliding sleeve.

Abstract: A shifting device (1) for the powertrain of a motor vehicle, including a control shaft (10) for adjusting a control element (9), the control shaft (10) has a first sub-section (15) which can be driven by an actuator (36) and a second sub-section (16) which is designed to adjust the control element (9). The first sub-section (15) is rotatably mounted relative to the second sub-section (16). A spring element (11), via which a torque of the first sub-section (15) can be transmitted to the second sub-section (16), is provided between the two sub-sections (15, 16).

Abstract: A multiple-disc friction clutch has a clutch center including a first and second clutch centers. The first clutch center is axially supported by a main shaft in a relatively non-rotatable manner. The second clutch center is supported by the first clutch center in a relatively rotatable manner and holds a clutching part between a pressure plate and the second clutch center. The first and second clutch centers have a torque limiter mechanism and a torque limiter-disabling mechanism therebetween. The torque limiter mechanism transmits power between the first and second clutch centers and reduces clutch torque by acting on the pressure plate due to relative rotation between the first and second clutch centers. The torque limiter-disabling mechanism inhibits operation of a torque limiter of the torque limiter mechanism by preventing the relative rotation when power is transmitted from the first clutch center to the second clutch center in an acceleration direction.

Abstract: The disclosure relates to a method for actuating a decoupling unit in a powertrain which comprises at least one driven axle. The aim of the disclosure is to simplify the actuation of the decoupling unit. This is achieved in that the decoupling unit is passively actuated in an actuation direction using an actuation force, which is provided in a hydraulic system, via a first hydraulic functional surface, and the decoupling unit is passively actuated in a restoring direction using a restoring force via a second hydraulic functional surface.

Abstract: A heat shield assembly for a wheel is disclosed. The heat shield assembly includes a heat shield having a pair of heat shield ends. A bifurcated seam mounting bracket includes a first bracket section that is fixed relative one of the heat shield ends, along with a second bracket section that is fixed relative to the other of the heat shield ends. The second bracket section may be directly mounted to the heat shield. A seam clasp section may be directly mounted to both the heat shield and the first bracket section such that the first bracket section is indirectly mounted to the heat shield.