Abstract: A power converter and an air conditioner having the same, in which the power converter includes a rectifying unit configured to rectify an input AC current and an interleave converter that has a plurality of converters and that is configured to convert rectified output from the rectifying unit to DC power and output the converted DC power. The power converter also includes a capacitor connected to an output terminal of the interleave converter, and a converter controller configured to control the interleave converter. The converter controller controls the interleave converter by calculating a load level of both terminals of the capacitor and changing a number of operating converters in the plurality of converters of the interleave converter based on the determined load level of both terminals of the capacitor.

Abstract: According to one embodiment, a linear control motor includes a first permanent magnet, a coil, a first magnetic material, a shaft, and a first non-magnetic material. The first non-magnetic material is disposed between at least one of the movable components and at least one of the static components and operable to prevent physical contact between at least one of the movable components and at least one of the static components.

Abstract: An elevating ceiling fan including a downrod assembly having a base and a plurality of first magnetic devices, a rotor having a plurality of second magnetic devices, and a plurality of fan blades attached to the rotor. The plurality of first magnetic devices are capable of alternating polarity in order to induce rotation of the rotor and plurality of fan blades, where rotation of the rotor and the plurality of fan blades causes the rotor and the plurality of fan blades to elevate above the base of the downrod assembly.

Abstract: An oil pump apparatus in which an electrical pump can be easily disposed is provided. A mechanical pump including: an inner gear which is configured to be driven by an engine; and an outer gear which is configured to mesh with the inner gear, and an electrical pump including: an outer gear which is configured to be driven by a motor section; and an inner gear which is configured to mesh with the outer gear are installed adjacent to each other in the axial direction in a pump installation space of a pump housing having suction ports and ejection ports. A blocking plate which is configured to block communications between the suction ports and the ejection ports is disposed between the mechanical pump and the electrical pump.

Abstract: An electric machine includes an end frame having a shaft bore extending therethrough. The end frame includes a first side and a second side. A shaft extends through the shaft bore. A bearing is supported by the end frame and is coupled to the shaft to support the shaft for rotation about a longitudinal axis. A first seal is fixedly attached to the end frame and includes an internal bore that is sized to cooperate with the shaft to form a seal point therebetween. The first seal is disposed on the first side of the end frame. A second seal is fixedly attached to the second side of the end frame. The second seal includes a movable portion in direct contact with the shaft to define a second seal point. The first seal point is on a first side of the bearing and the second seal point is on a second side of the bearing.

Abstract: An immersion motor includes a housing (3) having a wall (4) with a watertight cable penetration (5, 6; 5, 6?). The cable penetration includes an inlet (5) in the wall (4) for a cable (25) and a sealing collar (6; 6?) that can be released from the inlet (5) having a penetration (20) for the cable (25). The sealing collar (6; 6?) includes a first seal (45; 45?) disposed on the penetration (20) and means for applying force (75, 85, 90) to the first seal (45; 45?), which is designed for permanently applying force to the first seal (45; 45?) radially in the penetration (20). The cable penetration (5, 6; 5, 6?) further includes means for releasably attaching (35, 40) the sealing collar (6; 6?) to the inlet (5). At least one second seal (120, 125) is provided between the sealing collar (6; 6?) and the inlet (5).

Abstract: A rotary pump including an impeller rotatable within a housing. A load is imposed on the impeller as it rotates, in a direction that is substantially parallel to the axis of rotation and wherein the load stabilises the motion of the impeller. The load may be achieved by magnetically biasing the impeller.

Abstract: In an electric vacuum pump, a pump housing and a lower-end cover member respectively include positioning retainers respectively formed on outer peripheries of the pump housing and the lower-end cover member. A case includes positioning retainers each protruding inward from an inner peripheral surface of the case. The positioning retainers are in contact with the positioning protrusions, thereby positioning the pump housing and the lower-end cover member with respect to the case. The positioning protrusions are formed with screw holes.

Abstract: Rotary-wing aircraft or fixed-wing aircraft consisting of one or a plurality of rotors and/or one or a plurality of airscrews being caused to rotate by means of at least one shaft, the said aircraft comprising a distributed electric motor unit configured to ensure the propulsion and/or the lifting of the said aircraft by causing the said shaft to rotate, the motor unit being a distributed electric motor unit connected directly to the rotating shaft, no mechanism for the transmission of movement being interposed between the said CND unit and the said shaft, the distributed electric motor unit being composed of a plurality of stacked electric motor elements, each said electric motor element being connected directly to the rotating shaft and consisting of at least one fixed stator and at least one moving rotor capable of connection to the said rotating shaft in order to transmit to it a mechanical power of the following kind where: Pr=the nominal mechanical power necessary for the propulsion and/or for the lifti

Abstract: The present invention refers to a linear engine for compressor, and to a compressor provided with a linear engine. The linear engine for compressor comprises at least a stator consisting of a first core (2) and a second core (3), and at least a cursor (4), wherein said first core (2), cursor (4) and second core (3) are concentrically disposed. Said first core (2) is substantially defined by at least two different bodies (21, 22) and provides attaching means (6, 7) between said two bodies (21, 22).

Abstract: In order to provide a motor rotor in which a permanent magnet is prevented from corroding, wherein a motor rotor for use in a motor for driving a pump rotor rotating shaft of a vacuum pump is provided which comprises a rotor core made up of a plurality of steel plates which are laminated in an axial direction and having a through hole, a permanent magnet which is disposed in the through hole, and end plates which are attached individually to axial end portions of the rotor core, wherein an adhesive is applied to a whole surface of each of the plurality of steel plates, and the plurality of steel plates are surface joined to each other and to the end plates via the adhesive.

Abstract: An electric fluid pump includes: a case including a recess portion into which a fluid flows; a rotor arranged in the recess portion; an axial member supporting the rotor; and a flange member insert-molded with the case and the axial member, secured to an end portion of the axial member, and buried in a bottom wall portion of the recess portion, wherein the flange member includes: a first flange portion; a reduced portion closer to an inner surface of the bottom wall portion than the first flange portion, and smaller than the first flange portion in a radial direction; and a second flange portion closer to the inner surface than the reduced portion, larger than the first flange portion in the radial direction, and partially exposed from the inner surface, and the inner surface is flat.

Abstract: An example includes an apparatus to pump a fluid. The apparatus includes a housing extending along a length defining an elongate interior, an actuator in the housing, conforming to the elongate interior, the actuator including a plurality of lumens, each having a length extending substantially parallel to the elongate interior, each from around 10 to 200 micrometers across and an actuator configured to oscillate the actuator in the actuator housing along the length of the elongate interior with a rate differential between movement in a first direction versus movement in a second direction opposite the first direction to pump the fluid.

Abstract: A stator is provided which exerts a combined electromagnetic force of a plurality of electromagnets on a drive shaft having a fluctuating load. A controller is provided which controls a current difference between a first coil current passed through a coil of the electromagnet generating an electromagnetic force in a direction opposite to that of the load and a second coil current passed through a coil of the electromagnet generating an electromagnetic force in the same direction as that of the load to perform a position control on the drive shaft. The controller adjusts the second coil current to reduce an average value of the second coil current.

Abstract: The pump is provided with a plurality of pumping chambers and electrically activatable valves. An elastic membrane is arranged in each pumping chamber and divides the same into a first and a second chamber section. Each valve is connected to the second chamber section of a pumping chamber. When a pressure drop is applied over the valve and the valve is activated (i.e. opened), the pressure in the second chamber section changes, which causes the membrane to move, which in turn leads to a change of the volumes of both chamber sections. This e.g. allows to pump well-defined amounts of fluid from the chamber sections to a drug dispensing device.

Abstract: A sealed compressor has an electric motor driving a compressor pump unit, and a shell enclosing the electric motor and compressor pump unit. An electrical connector with the shell supplies electrical power to the motor. A terminal housing is mounted to an outer surface of the shell, and a terminal plug is received within the terminal housing. The terminal plug has electric connections to connect into the electric connector within the shell. The housing includes a cover plate enclosing a chamber for the housing and which receives the terminal plug. A spring extends from the terminal plug, and reacts against a surface of the cover to bias the terminal plug to maintain the electric connection between the terminal plug and the electrical connector in the shell.

Abstract: A battery pack assembly includes a battery cell; a first case including a first surface support contacting a first surface of the battery cell and a first lateral surface support bent from the first surface support toward a lateral surface of the battery cell; a second case including a second surface support contacting a second surface of the battery cell, and a second lateral surface support bent from the second surface support toward the lateral surface of the battery cell, wherein at least a part of an external surface of the second lateral surface support overlaps the first lateral surface support and an internal surface of the second lateral surface support contacts the lateral surface of the battery cell; and a hook portion having a through hole and protruding from the external surface of the second lateral surface support, wherein the hook portion is spaced from the second surface support.

Abstract: A sealed compressor of the present invention comprises an electric component (103); a compression component (105); a sealed container (101); and a suction pipe (115); wherein the compression component (105) includes a compression chamber (141), and a suction muffler (115) through which a refrigerant gas flows; wherein the suction muffler (157) includes a muffler body (165) in which a muffling space (163) is formed, a tail pipe (159) through which a refrigerant gas is introduced into the muffling space (163); and a muffler cover (169) provided to surround the muffler body (165) such that a first space (167) is formed between the muffler cover (169) and the muffler body (165); wherein the muffler cover (169) is provided with a refrigerant inlet (175) in a portion which faces an outlet (117) of the suction pipe (115) and is in the vicinity of a suction port (171) of a tail pipe (159), the refrigerant inlet communicating the interior of the sealed container (101) with the first space (167).

Abstract: The compressor fittings, both suction and discharge, of a compressor can have braze rings positioned inside of the fittings as part of the compressor assembly. The braze ring can then be used by an installer to connect the compressor to corresponding suction and discharge lines of a system. The installer can insert the system tube or connection into the fitting and apply a torch until braze material can be seen exiting the joint around the system tube, which indicates the tube has been connected.

Abstract: An electric compressor (7) includes a compression mechanism (3); an electric motor (2) driving the compression mechanism (3), the electric motor having an axis of rotation (X); and an electric motor (2) power supply inverter (1), the inverter (1) being mounted in an inverter housing (10). The compression mechanism (3) is mounted in a compression housing (30), and the electric motor (2) is mounted in a motor housing (20) extending longitudinally along the axis of rotation (X) and having a first end (20P) connected to the inverter housing (10) by a plurality of securing devices (5) extending inside the motor housing (20). The motor housing (20) includes a second end (20S) located opposite the first end (20P) in relation to the electric motor (2) and connected to the compression housing (30) by a plurality of securing devices (6) different from the above-mentioned securing devices (5).

Abstract: An electrically driven compressor system for vehicles has a hollow shell, inside which there is a transmission set and a scroll set. The outer surrounding of the hollow shell is formed with a chamber. A control circuit board is disposed in the chamber. A processing chip is provided on the side of the control circuit board that faces the bottom of the chamber. A thermal paste is coated on the end surface of the processing chip towards the bottom of the chamber. The end surface of the processing chip with the thermal paste coating urges against the bottom surface of the chamber.

Abstract: An electric compressor is installed in a vehicle and includes a shell. The electric compressor includes an inverter, a cover, and a conductive component. The cover covers the shell and the inverter. The conductive component is electrically connected to the inverter and arranged outside the cover. The cover includes an outer guide surface inclined relative to a forward direction of the vehicle. The outer guide surface has a normal including a forward component directed in the forward direction. The outer guide surface is arranged closer to an outer side of the vehicle than the conductive component.

Abstract: A ceiling fan comprising: a fan motor and blade assembly, a mounting tube for suspending the fan motor and blade assembly from a ceiling, and a power supply mounted within the mounting tube configured to power the fan motor. Also a ceiling fan comprising a moulded stator frame, a raised turret integrally moulded within the frame configured to enclose and mount a motor controller, and an external user changeable auxiliary module. Also ceiling fan comprising: a totally enclosed safety extra low voltage fan motor assembly configured to be suspended from an upper side, and a sealing arrangement within the assembly providing a substantial degree of ingress protection against dust and water incident from at least an under side. Also a method comprising providing a ceiling fan comprising moulded stator frame, and mounting an external user changeable auxiliary module to a raised turret integrally moulded within the frame.

Abstract: An integrated-inverter electric compressor whose grounding effect and grounding reliability are increased by reliably grounding an inverter device to a housing and in which the size the inverter device are reduced by simplifying the grounding structure is provided. The integrated-inverter electric compressor includes an inverter device provided in an inverter container on the outer circumference of a housing.

Abstract: A portable propelling system including a driver removably coupled to a drive end portion of a shaft, and a propeller connected to a prop end portion of the shaft. The shaft may extend through an outer casing. The driver may be configured to rotate the shaft and the propeller about a rotational axis of the shaft relative to the outer casing. One or more water-buoyant components, such as one or more sections of polymeric closed-cell foam, may be disposed around the outer casing. A flexible strap may be coupled to the outer casing. A first end portion of the flexible strap may be operable between a connected position and a towing position. The system may be a telescoping system operable between collapsed and extended positions along the rotational axis.

Abstract: A dual clutch transmission, especially of a motor vehicle, includes a hydraulic circuit with a pump for delivering a hydraulic flow, a cooler for cooling the hydraulic flow, and a volume control valve for adjusting the hydraulic flow for a cooling system associated with two clutches of the dual clutch transmission. The volume control valve is constructed as a switching valve with at least two switching position ranges, supplying the hydraulic flow to a first cooling system associated with a first clutch in a first switching position range with a constant flow cross-section, and supplying the hydraulic flow to a second cooling system associated with a second clutch in a second switching position range with a constant flow cross-section, wherein the entire switching position range of the volume control valve is substantially formed by the first and second switching position ranges and only a narrow transition range therebetween.

Abstract: An electric oil pump includes an electric motor and an oil pump that is driven by the motive power from an electric motor, wherein; the oil pump has an introducing channel that guides a drain oil that has leaked from an interior of the oil pump to an interior of the electric motor; and the electric motor has a discharging channel that discharges the drain oil that has been guided to the interior of the electric motor to a tank.

Abstract: Power unit (101) comprising: a tank (104) for hydraulic oil; an electric motor (105); a power pack body (102) inside of which a hydraulic circuit extends; a hydraulic pump (103) integrated in a cavity (102a) of the power pack body (102).

Abstract: An electrical submersible pumping system (ESP) for pumping fluids from a wellbore is made of segments, which include a motor, a seal section, a pump, and a shaft assembly connected to an output of the motor drives the pump. The motor, seal section, and pump are elongate members and coupled end to end to one another by housing connectors and shaft connectors. At least one of the housing connectors and shaft connectors have portions that are pivotable with other portions, so that adjacent segments of the ESP system can pivot with respect to one another. The housing connector can be a ball and socket assembly, where the ball fits within a spherically shaped chamber in the socket assembly. Opposing ends of the housing connector can mount to respective segments by threads or bolt flanges. The pivotal shaft connector may be a universal joint.

Abstract: An electric drivetrain of a device, such as a gas compression device, includes an electric machine and a system for supplying power to the electric machine, the electric machine including a rotor and a stator. The electric machine is an asynchronous electric machine, and the power supply system is suitable for supplying voltage to the stator of the electric machine, the power supply system making up a source of voltage.

Abstract: A vacuum pump for use in the automotive sector includes a rotor element fixed on a rotor shaft and arranged in a rotor housing, an electric drive arranged in a motor housing, a housing wall comprising at least one passage opening, and a bearing device. The rotor housing comprises at least one inlet and at least one outlet. The electric drive directly or indirectly drives the rotor shaft. The housing wall interconnects the rotor housing and the motor housing so as to form a housing assembly. The at least one passage opening fluidically connects the rotor housing and the motor housing. The bearing device supports the rotor shaft in the housing wall.

Abstract: An electric motor assembly configured for use in a downhole pumping system includes a number of electrically conductive components that are insulated from fluids, mechanical abrasion, electrical current and electrical grounds using an advanced polyimide film. Preferred polyimide films include poly(4,4?-oxydiphenylene-pyromellitimide) and biphenyl-tetracarboxylic acid dianhydride (BPDA) type polyimide films. Magnet wire, stator laminates, stator coil end turns, motor leads and power cables can all be insulated with the selected polyimide film.

Abstract: Disclosed herein are a switched reluctance motor assembly and a method of assembling the same. The switched reluctance motor assembly includes: a shaft forming the center of rotation of a motor; a rotor part rotatably coupled on the shaft; a balancing part installed on upper and lower surfaces of the rotor part; and an impeller part installed on the balancing part, wherein the balancing part and the impeller part are formed integrally with or directly coupled to each other to prevent generation of unbalance at the time of attaching the impeller part, thereby making it possible to promote stable rotation.

Abstract: A seal assembly for an electrical submersible pumping system that communicates downhole pressure to a pump motor and seals wellbore fluids from the motor. The seal assembly includes a chamber circumscribing a pump shaft and a bladder in the chamber. The outer surface of the bladder is in fluid communication with the wellbore fluid. The inside of the bladder contains dielectric fluid that is ported to the pump motor in an annulus between the pump shaft and a sleeve. A water absorbing elastomer is disposed inside of the bladder for absorbing water that may migrate into the bladder from the wellbore.

Abstract: An induction motor includes a stator having a winding to be inserted to a plurality of stator slots formed along an inner circumferential edge of a stator iron core; and a rotor placed inside of the stator via a gap, the rotor includes a plurality of double squirrel-cage rotor slots formed along an outer circumferential edge of the rotor iron core and filled with conductive material and at least three air hole parts provided around a rotating shaft hole of the rotor iron core to which the rotating shaft is fitted and having an opening which is open to the rotating shaft hole; and an inner diameter part of the end ring which short circuits both edges of the conductive material filled to the double squirrel-cage rotor slot is placed to be adjacent to the air hole part in at least the end ring of one side.

Abstract: A snowmobile having an electronic oil pump fluidly connected to an oil tank thereof is disclosed. The electronic oil pump is fluidly connected to an engine of the snowmobile for delivering lubricant to the engine. An electronic control unit is electrically connected to the electronic oil pump for controlling actuation of the electronic oil pump. A method of operating an electronic oil pump is also disclosed.

Abstract: An object is to increase portions (increase the amount of correction), where the rotational balance of a rotary shaft of a turbocharging device incorporating an electric motor is adjusted, and to maintain sufficient motor driving force even under a high temperature condition. In a balance adjusting structure for the turbocharging device incorporating an electric motor, a rotor core 5 formed by laminating electromagnetic steel plates 51 is interposed between rotor blades provided on one end or both ends, a rotational balance adjusting member made of iron (magnetic induction member) having a thickens larger than the thickness of each electromagnetic steel plate 51 is disposed on an end of the laminated electromagnetic steel plates 51, or between the laminated layers.

Abstract: A variable capacity compressor assembly (20) configured for variable capacity modulation includes a housing (30), with a compressing mechanism (22) and a driving mechanism (24) disposed within the housing. The compressing mechanism includes compressing members (54, 56) that are shiftable relative to one another between loaded and unloaded states. The driving mechanism includes a line-start brushless permanent magnet motor (26). The line-start brushless permanent magnet motor includes a plurality of permanent magnets (102) that are mounted on, and extend generally axially along, a rotor core body (90) of the motor. Using the motor may reduce manufacture cost, maintain conveniently, and increase reliability.

Abstract: A reciprocating pump assembly for dispensing liquids is provided. The pump assembly comprises a pump housing providing an interior compartment and being provided with an inlet for providing a liquid to be dispensed, and an outlet for dispensing the liquid. The assembly further comprises a piston being movably mounted within the interior compartment of the pump housing and comprising ferromagnetic material. The assembly comprises a magnetic actuator for generating a linearly moving magnetic field acting on the piston. The magnetic actuator comprises a permanent magnet arranged to be moved in linear directions, whereby the piston is moved in the pump housing between a resting position and an actuated position under influence of the linearly moving magnetic field.

Abstract: A method for applying a metalized polymer film to a seal bag for use in a downhole submersible pumping system includes the steps of applying a metal layer to a polymer layer, applying an adhesive layer to the polymer layer, and rolling the adhesive layer onto a substrate of the seal bag. The method may also include the steps of rotating a first roller, which is located above the polymer layer of the metalized polymer film, and rotating a second roller, which is located on an interior surface of the substrate of the seal bag, in the opposite direction of the first roller. Also disclosed is a downhole pumping system that incorporates a seal bag manufactured from these techniques.

Abstract: A mobile power plant having an engine together with a main gear box (5) and a free wheel assembly (4) suitable for driving a rotary wing (7) by means of the main gear box (5) and further having an electric motor-generator (10), wherein the power plant includes an accessory gear box (12), an additional freewheel assembly (11) and a pump (8), said electric motor-generator (10) being mechanically connected in series via said additional freewheel assembly (12) to said main gear box (5) in order to be capable of being driven by said main gear box (5) and said electric motor-generator (10) being connected to said pump (8) in order to be capable of driving said pump (8). The invention relates as well to an application of such a mobile power plant and to a method of operating the mobile power plant.

Abstract: An electric motor with a casing in which a stator in coaxial arrangement with the motor shaft and a rotor are disposed, and a terminal box which is attached to a casing peripheral wall and in which electronic components are arranged. Between the terminal box and the casing a breakthrough is provided on the one hand and an auxiliary impeller firmly connected to the motor shaft is mounted inside the motor casing on the other hand such that an air stream can flow from the interior of the casing into the interior of the terminal box and/or vice versa when the electric motor is operating.

Abstract: The invention relates to an intake and delivery module for a fluid, in particular water for a swimming pool or more generally for a tank, and an associated system for treatment of said associated fluid. It makes it possible to facilitate the installation and the activation of the system for treatment of the fluid of a tank, to generate a sufficient output of fluid, to decrease the number of pieces of equipment and to prevent any damage to the treatment means. The fluid intake and delivery module comprises an intake port which co-operates with a proximal part of a fluid outlet conduit and a delivery port which co-operates with a proximal part of a fluid inlet conduit. It also includes a self-priming pump which co-operates with the fluid outlet conduit downstream of the intake port.

Abstract: A method of depositing a material on a substrate comprises placing a substrate into a process space in fluidic communication with a Gaede pump stage (GPS). A precursor gas is then injected into the process space while injecting a draw gas at a draw gas flow rate into the GPS such that the injected precursor gas achieves a precursor pressure and a precursor gas flow rate in the process space. Subsequently, substantially all of the precursor gas remaining in the process space is swept from the process space by injecting a sweep gas into the process space such that the injected sweep gas achieves a sweep pressure and sweep gas flow rate in the process space. The precursor pressure is higher than the sweep pressure, and the precursor gas flow rate is lower than the sweep gas flow rate.

Abstract: Systems and methods of driving a compressor are provided. The compressor can be driven by multiple electric motors, which can be controlled by an adjustable speed drive (ASD) to increase efficiency. A torque controller may also be included.

Abstract: A cyclic adsorption process is provided having pressurization and depressurization steps and driven by one or more centrifugal machines operating under acceleration and deceleration conditions wherein the deceleration rate of the machine is controlled to minimize power consumption and maximize the efficiency of the process. The operating speed of the centrifugal machine during deceleration is matched to the measured pressure ratio conditions so that the centrifugal machine arrives at its minimum operating speed near the point required to begin acceleration.

Abstract: A motor-driven compressor that includes a metal housing accommodating a compression unit and an electric motor, a cover coupled to the housing, wherein the cover includes a resin portion and a metal shield, and the shield blocks electromagnetic noise, and a bolt that couples the cover to the housing. The housing and the cover define an accommodating chamber that accommodates a motor driving circuit that drives the electric motor. The cover includes an insertion hole into which the bolt is insertable. The shield includes a seat that surrounds the insertion hole and is held between the bolt and the housing. The cover is configured to allow for an axial force of the bolt to be applied to the seat and not to the resin portion.

Abstract: An electrical submersible pumping system includes a pump assembly and a motor assembly. The motor assembly includes a plurality of stator coils and each of the plurality of stator coils comprises magnet wire. The magnet wire has an insulator surrounding a conductor and the insulator is manufactured from a polyether ether ketone film. In another aspect, the preferred embodiments provide a method for manufacturing a motor assembly for use in an electrical submersible pumping system. The method includes steps of preparing magnet wire having an electrical conductor and a polyether ether ketone film insulator.

Abstract: The systems and compressors for use with flammable refrigerants can include features that can reduce or address the generation of sparks or arcs internal or external to the compressor that could ignite the flammable refrigerant. The systems and compressors can also include features that can reduce or address leakage into or out of the hermetic compressor shell which could create a flammable atmosphere that could be ignited if the flammable atmosphere came into contact with an ignition source.

Abstract: An immersion pump is provided, the pump having an integral housing with an inlet opening on an intake side, an outlet opening on a delivery side, a passage for electrical lines, an electronic unit for processing power and optionally information signals, an electric motor, a pressure chamber and a pump unit. The electronic unit, the electric motor, the pressure chamber and the pump unit may be pre-assembled to an insert, with the pre-assembled insert being supported on one end of the housing. An axial clamping and/or fastening system, in particular a tapered locking arrangement, is provided on the opposite end of the housing.