Abstract: A discharge device for discharging electric currents from a rotor part of a machine, said rotor part having a shaft, the discharge device comprising an axially displaceable contact element, which is at least partly accommodated in a guide, for forming an electroconductive sliding contact between a sliding contact surface of the contact element and a shaft contact surface of the shaft, the sliding contact surface being provided for forming the sliding contact, the contact element being electroconductively connected to the guide and/or a retaining element of the machine, and the contact element being prestressed towards the shaft contact surface by means of a spring element, the contact element being at least partly wetted with an oily fluid, in particular at least in the area of its sliding contact surface.

Abstract: A choke coil is mechanically fixed without using an adhesive, and a fixed state is maintained for a long period of time. A fixing structure of a choke coil electrically connected to a brush that is in sliding contact with a commutator and housing a ferrite core inside includes: a bottom surface portion where the choke coil is placed; a housing wall portion erected from the bottom surface portion and forming a first space that houses the choke coil with the bottom surface portion; an elastic portion that is formed by notching a part of the housing wall portion and capable of elastic deformation; and a pressing portion that presses the choke coil via the elastic portion by biasing the elastic portion to an inside of the first space, and fixes the choke coil between the pressing portion and the inner surface of the housing wall portion.

Abstract: A drive unit for the motor-driven adjustment of a closure element of a motor vehicle, wherein the drive unit has mechanical drive connections, which are linearly adjustable relative to each other, and a drive train, which is coupled to the drive connections, with an electric drive motor, wherein the drive motor has a motor shaft and a motor housing, wherein the motor housing is composed of a plurality of housing parts and is mounted in the drive unit via a decoupling element. It is proposed that the decoupling element is designed electrically conductively at least in sections and covers a transition region between the housing parts.

Abstract: A motor includes a motor body including a bottom part and a motor terminal 26 provided at the bottom part, and a terminal unit 200 mounted at the bottom part of the motor body. The terminal unit 200 includes a holder 210, a PTC thermistor 180 and a terminal part 330b fixed to the holder 210, and a wiring part electrically connecting the motor terminal 26 and the terminal part 330b. The PTC thermistor 180 is provided at the wiring part. In the radial direction, the terminal part 330b and the PTC thermistor 180 are arranged and facing each other.

Abstract: A hand-held tool that includes a housing. The housing includes a handle. A tool also includes a motor assembly, a battery assembly and a circuit board. The motor assembly includes a motor, the motor including a rotatable motor output shaft, a motor positive terminal and a motor negative terminal. The motor assembly also includes a first rigid conductive electrical connector having a first end fixed to the motor positive terminal and a second end fixed to the circuit board. The battery assembly includes a battery cell with a battery cell positive terminal and a battery cell negative terminal. The battery assembly further includes a second rigid conductive electrical connector having a first end fixed to the battery cell positive terminal and a second end fixed to the circuit board.

Abstract: The present invention may provide a motor comprising: a housing; a stator disposed inside the housing; a rotor disposed inside the stator; and a shaft coupled to the rotor. The housing includes a first housing and a second housing. The first housing includes a first side wall having a first radius and a second side wall having a second radius smaller than the first radius, and the second housing includes a third side wall contacting the first side wall and a fourth side wall contacting the second side wall. The outer surface of the first side wall includes a first coupling means, and the inner surface of the third side wall includes a second coupling means coupled to the first coupling means.

Abstract: A hand-held massaging system includes a swivel coupling for removably attaching a massage tool to a reciprocating motor having a shaft having a stroke axis and a stroke length. The swivel coupling consists of a thrust journal and a cylindrical cup, an inner diameter of the cup providing a swivel bearing and bottom of the cup forming a thrust bearing. When the shaft reciprocates at a forced frequency, the thrust journal is retained within the cup by stick-slip friction that allows the thrust journal to swivel within the cup and to slip along the stroke axis. The thrust journal and cup attach between the massage tool and the shaft.

Abstract: A motor includes: a lid including an opening; a bracket including a projecting part; and a terminal extending from the projecting part. A part of the bracket is covered by the lid. The projecting part projects from the opening of the lid.

Abstract: A system for monitoring the wear state of a carbon brush of a brush holder assembly in which the length of the carbon brush is diminished from an initial length as an end of the carbon brush wears away during use. The system includes a wear state monitor, including a sensor, coupled to the carbon brush. The wear state monitor is configured to rotate as the length of the carbon brush diminishes. The sensor is configured to measure an angular displacement of the wear state monitor as the wear state monitor rotates. The measured angular displacement of the wear state monitor correlates to an amount of diminution in the length of the carbon brush.

Abstract: In a motor device, since a first conductive plate and a second conductive plate are provided to cover a housing, it is possible to prevent electrical noise from being radiated to the outside of the housing, and thus it is possible to take more sufficient countermeasures against electrical noise. Therefore, it is possible to further suppress adverse effects on in-vehicle equipment such as a car audio. In addition, since the first conductive plate and the second conductive plate are respectively electrically connected and collectively fixed by the first fixing member and the second fixing member, the assemblability of the sunroof motor can also be improved.

Abstract: A rotating brush assembly for an electric motor, including a commutator and a plurality of brushes, each of the brushes rotatingly mounted on an axle disposed between arms coupled to respective first and second brush holders, wherein the brush holders are urged toward said commutator with a spring, and wherein the brushes rotate in a direction opposite the direction in which the commutator rotates.

Abstract: The present invention involves in the technical field of resolver transformers, specifically in a motor-integrated resolver transformer simulation device and the simulation method thereof. The present invention obtains the current sinusoidal and cosinusoidal signals of a motor module through a resolver transformer module provided therein, and compare them with the excitation signals inputted by a motor controller, so as to determine whether the resolving circuit of the motor controller is faulty, and, by improving the brush device of the motor module, the service life of the motor module is increased and the testing cost is reduced.

Abstract: A power tool system includes a removable battery pack a first tool and a second tool. The first tool includes a first base housing that is selectively engageable with the removable battery pack and a first tool portion connected to the first base housing by a first connecting section. The second tool includes a second base housing that is selectively engageable with the removable battery pack and a second tool portion connected to the second base housing by a second connecting section. The second tool base housing houses a second controller that provides a proportional power delivery system for the second tool and second tool base housing also includes a second actuator for providing user control of the second tool.

Abstract: A power tool comprises a housing and an inner assembly mounted at least partially within the housing and configured to move between a first position and a second position with respect to the housing. The inner assembly comprises a motor assembly. The power tool also comprises a mounting frame for guiding the inner assembly between the first position and the second position and having a cable guide for guiding at least part of a cable connected between the motor assembly and a component fixed relative to the housing.

Abstract: A brush holder for holding at least two brushes for a sliding contact arrangement, including an intermediate element and two contact elements for electrically contacting at least one of the brushes, the contact elements being arranged on two opposite sides of the intermediate element and the intermediate element having a receptacle extending through the opposite sides for a rotating shaft.

Abstract: Provided are embodiments for deicing an aircraft propeller having a plurality of blades of an aircraft. An example method includes performing a first heating, by a first plurality of heating elements connected to a first portion of each of the plurality of blades, for a first period of time, the first portion of each of the plurality of blades of the propeller defining a first deicing zone. The method further includes, subsequent to expiration of the first period of time, performing a second heating, by a second plurality of heating elements connected to a second portion of each of the plurality of blades, for a second period of time, the second portion of each of the plurality of blades of the propeller defining a second deicing zone.

Abstract: Methods and systems for monitoring a brush holder assembly and/or detecting wear of a brush in a brush holder assembly are disclosed. One method includes sending data from a plurality of remote monitoring locations to a central control unit, where the data may be evaluated in order to monitor states of brushes at a plurality of remote electrical facilities. For example, multiple images of a marker tracking longitudinal movement of the brush may be acquired. A comparison of the images, for example, a comparative imaging technique, such as pixel-by-pixel comparison, may then be performed in order to evaluate a condition of the brush, such as the wear rate, wear state, or life expectancy of the brush.

Abstract: Example generator brush adapters include a plate configured to mount to a static support structure and to couple to a brush assembly, such that the brush assembly is mounted to the static support structure along a single degree of freedom.

Abstract: A circuit breaker includes a frame and first, second and third single-phase vacuum interrupters and first, second and third magnetic actuators connected to respective single-phase vacuum interrupters. Each of said magnetic actuators is configured to receive an open or close signal and in response, actuate the respective vacuum interrupter connected thereto into an open or closed circuit condition. Each magnetic actuator includes a fixed core, a plurality of permanent magnets surrounding the fixed core, and a movable core received within the fixed core. A controller is connected to each of the first, second and third magnetic actuators and generates the open or close signal to a respective magnetic actuator to open or close one or more of the first, second and third single phase interrupters.

Abstract: The invention relates to a wiper motor having a housing element connected to an electrical line that has an elastically deformable spring element in an end region projecting out of the housing element, wherein the spring element, in order to form an electrically conductive connection with a counterpart element on the housing element, is movable, with respect to a first, relaxed position of the spring element, into a second, elastically deformed position generating a contact force on the counterpart element.

Abstract: A flex circuit and a battery module including the flex circuit are provided. The flex circuit includes a first plurality of conductive traces and a second plurality of conductive traces. Each of the first plurality of conductive traces includes a first terminal configured to be electrically coupled to a first location of a respective one of a plurality of busbars that electrically connect battery cells of the battery module, and a second terminal configured to be electrically coupled to processing circuitry. Each of the second plurality of conductive traces includes a first terminal configured to be electrically coupled to a second location of a respective one of the plurality of busbars, and a second terminal configured to be electrically coupled to the processing circuitry. The processing circuitry is configured to measure a voltage level of each of the plurality of busbars using the first and second plurality of conductive traces.

Abstract: An electronic module includes a first supporting element, a second supporting element, and a plurality of components arranged on the first supporting element and the second supporting element. The first supporting element and the second supporting element are electrically conductively connected, and the second supporting element forms an intermediate chamber in which the first supporting element is arranged.

Abstract: A brush assembly for use in a brush holder assembly of an electrical machine is disclosed. The brush assembly includes a carbon brush, an electrically conductive terminal and an electrically conductive lead assembly attached to both the carbon brush and the electrically conductive terminal. In some instances, the electrically conductive lead assembly includes a spliced union located between the electrically conductive terminal and the carbon brush and spaced away from both the electrically conductive terminal and the carbon brush. In some instances, the electrically conductive terminal includes an inner core layer positioned between a first conductive metal layer and a second conductive metal layer.

Abstract: A direct drive drive actuator includes a base structure and a driven structure that is journally supported and translatable relative to the base structure. The driven structure is disposed in a fixed spatial relationship to the base structure. A plurality of first pole arrays is disposed on the driven structure. A plurality of second pole arrays, corresponding in number to the plurality of first pole arrays is disposed on the base structure. An electrical power source is provided. A controller is coupled to the power source and the first plurality of pole arrays and the second plurality of pole arrays, wherein the controller is configured to selectively electrically energized windings of the first plurality of pole arrays and the second plurality of pole arrays such that an electro-magnetic force is formed between poles of the first plurality of pole arrays and poles of the second plurality of pole arrays.

Abstract: Disclosed is an anti-pinch control system. The anti-pinch control system includes a motor configured to generate driving force for moving a seat of a vehicle, a current measurement sensor configured to measure a current value generated in the motor, a hall sensor configured to measure a revolution per minute (RPM) of the motor, and a controller configured to derive an average of current values measured by the current measurement sensor during an edge generating time during which a specific number of edges are generated by the hall sensor, and to set, to an anti-pinch value, a value obtained by adding a rising value, corresponding to current that increases when a pinch occurs in the seat, to the average, wherein the controller derives the average for each specific RPM and updates the anti-pinch value.

Abstract: A motor includes a grounding ring and a first sealing piece, or includes a grounding ring, a first sealing piece, and a second sealing piece. The grounding ring is electrically coupled to a rotating shaft and a housing. The grounding ring is made of a material with good conduction performance, hence, a shaft induced voltage transmitted on the rotating shaft is transmitted to the housing through the grounding ring, instead of being transmitted to the housing through a motor bearing.

Abstract: A brush assembly (100) for a slip ring assembly of a rotating electrical machine, having at a brush holder (120) defining a cage into which a brush (103) slides; and a rod (101) extending along a second axis (D2) parallel to the first axis, for supporting the brush holder. One of the rod and the brush holder defines a recess (121), the other has a portion sized to be received into the recess the mating portion (105), the recess defined by a first wall (123, 124) disposed for abutment against the mating portion when, the mating portion received in the recess, the brush holder is driven longitudinally along the rod parallel to the second axis. The recess is defined by a second wall (122) disposed for abutment against mating portion when, the mating portion received in the recess, the brush holder is driven tangentially around the second axis.

Abstract: Electrical contact assemblies for use in rotating video camera heads are disclosed. A contact assembly may include a first element movable relative to the camera head's housing on which an imager is disposed, a second element rotationally movable relative to the first element, and a slip ring including one or more PCB brush elements to transfer imager signals to an output connector.

Abstract: An electromagnetic brake to restrict or prevent movement of a motor in a vehicle brake system, the electromagnetic brake includes: a core; a static plate; a moving plate located between the core and the static plate; a rotor located between the core and the moving plate; one or more legs that extend from the core; and one or more fasteners that connect the one or more legs to the static plate, the core includes a cylindrical portion and a flange that extends around the cylindrical portion, the one or more legs extend from the flange radially around the cylindrical portion.

Abstract: The present disclosure relates to a busbar unit for a motor, the busbar unit including: a holder having an inner circumferential surface on which crest portions and trough portions connected to the crest portions are formed; and a terminal coupled to the holder and including first terminal portions disposed on the crest portions, such that it is possible to obtain an advantageous effect of simplifying a structure and reducing costs.

Abstract: An object of the present invention is to provide a structure capable of stably removing noise. A DC motor includes: a brush in sliding contact with a commutator; a brush holder base holding the brush; a flexible wiring connected to the brush; and a choke coil connected to the brush via the wiring, wherein the brush holder base has a clamping portion restraining the wiring to extend along a direction parallel to a direction of a magnetic flux generated in the choke coil.

Abstract: In an embodiment, a system for wear monitoring, includes a wear surface, a metallic reflector embedded in the wear surface, a radio-wave transmitter, and a radio-wave receiver. The metallic reflector reflects radio waves transmitted by the radio-wave transmitter for detection by the radio wave receiver. Attenuation of the radio waves between transmission by the radio-wave transmitter and detection by the radio-wave receiver indicates a degree of wear of the wear surface.

Abstract: Example brush holder assemblies of an electric machine are disclosed. An example brush holder assembly of an electric machine includes a carbon brush including an upper surface and a lower surface opposite the upper surface. The brush holder assembly also includes one or more lead wires extending out of the carbon brush at an insertion point on the upper surface and a first cavity extending into the carbon brush from the upper surface at a location spaced away from the insertion point of the one or more lead wires and unobstructed by the one or more lead wires.

Abstract: Disclosed is a hydraulic control apparatus of a brake system including a modulator block having a motor bore, and a motor including a cover that covers an opening of a case accommodating a stator and a rotor and is supported on one side of the modulator block, wherein a vent hole for air flow between the inside and the outside of the motor is formed on the cover and a communication passage for communicating the motor bore and the vent hole is formed in the modulator block.

Abstract: A system for transferring current between a rotating element and a fixed element, comprising—a support in the general shape of a sheet (10) comprising a conductive portion (11) electrically connected to the fixed element, —a brush holder (20) mounted on the support (10) and supporting a brush (30) that is pushed into contact against the rotating element, —electrical connection means (42) for connecting the conductive portion (11) of the support to a cable (40) that is joined to the brush (30), wherein a resistive element (12) is situated between the brush (30) and the conductive portion (11) of the support (10) and prevents current from flowing directly between the conductive portion and the brush.

Abstract: An actuator device for adjusting an adjusting element may include a housing, an actuator for driving the adjusting element, and a drive circuit for operating the actuator. The housing may include a support body that may include a drive receiving space and a gear receiving space. The drive circuit may include a plurality of electrically conductive conductor bodies for contacting a plurality of drive contacts of the actuator, for contacting a plurality of components of the drive circuit, and for contacting a supply device. At least one conductor body of the plurality of conductor bodies may be structured as a contact tongue, arranged on the drive circuit, and abut on an electrically conductive actuator housing in a pretensioned manner establishing an electrical contact between the drive circuit and the actuator housing. The actuator housing may be configured as at least one of a zero-ground potential and a reference potential.

Abstract: A torque motor assembly includes a shell which has a first wall and a second wall which defines a cavity. A torque motor is positioned at least partially within the cavity. At least one compliant pad is positioned between the first wall and the torque motor and is configured to trap at least one wire within the shell. A housing for a torque motor and a method of assembling a torque motor assembly are also disclosed.

Abstract: An electric actuator assembly is proposed. The electric actuator assembly includes: a brush card assembly provided with a brush card part in which a plurality of terminals is molded through insert injection molding; a motor assembly coupled to the brush card assembly and electrically connected thereto; a housing provided with a coupling part into which the brush card assembly is inserted, having a circuit board provided with a connector, and having a gear assembly for receiving power from the motor assembly and transmitting the power to outside, the circuit board and the gear assembly being installed in the housing, wherein terminal holes through which the plurality of terminals passes and a coupling hole into which a part of the brush card part is inserted are separately provided in the coupling part.

Abstract: An electric motor, in particular a separately excited synchronous motor, has a rotor shaft with at least one slip ring and at least one electrically conductive contact element, in particular a carbon brush, which bears against the slip ring and is accommodated in a channel-like guide formed in a housing and extending radially with respect to the rotor shaft and which carbon brush is radially tensioned against the slip ring by means of a spring element, wherein a roller is provided which is tensioned laterally against the contact element via a further spring element and via which the contact element is tensioned against a wall of the guide.

Abstract: A bar blender comprises a blender blade driven by a motor (16) in a main housing (10). The handle (12) of the housing has a motor speed control button (14). A separate visual display on the housing shows the user the speed setting corresponding to the current position of the control button. The visual display is based on a mechanical linkage between the control button and the visual display to cause a display element to follow the button as it is moved by the user. This is provides a simple and reliable feedback to the user.

Abstract: A rotary module includes a first outer tube, a first member in which a function of the channel is maintained when a first outer tube rotates relative to a first inner tube, the channel coupling an outside of the first outer tube and an inside of the first inner tube, and a second member in which electrical coupling between the first terminal provided on an inner circumference surface of a second outer tube and the second terminal provided on an outer circumference surface of a second inner tube is maintained when the second outer tube rotates relative to the second inner tube, wherein the first outer tube and the second outer tube are fixed, the first inner tube and the second inner tube are fixed, and the first member and the second member are arranged along the same axis as each other.

Abstract: The present disclosure describes an electrical machine. The Electrical machine includes a stator, a rotor, a winding fitted to the rotor, and an apparatus for supplying electrical energy to the winding. The apparatus includes a slip ring and a brush assembly including a brush holder and a brush. The slip ring and the brush assembly are arranged in a housing. An annular gap is disposed between the slip ring and the housing. The housing is fluidically substantially sealed in relation to an exterior, and a flow path of air is routed through the housing in a closed arrangement. The housing includes a housing part fluidically connected to the annular gap via a first flow opening and a second flow opening. A flow section of the flow path is routed through the housing part, and leads from the first flow opening to the second flow opening.

Abstract: A shunt extends from a brush received by a brush box of a brush holder. The first end of the shunt can be connected to the brush, and the second end of the shunt can connect to the brush holder. A lever connects to a back plate of the brush holder, and the lever may reversibly and selectively rotate between a first position and a second position; the lever can have a distal portion, and the second position of the lever secures a portion of the shunt between the distal portion of the lever and another component of the brush holder. The secured portion of the shunt can restrict downward movement of the brush in the brush box, while a spring pushes downward on the brush in the brush in the brush box, to thereby fixedly position the brush in the brush box.

Abstract: An edge trimming mechanism of an edge banding machine capable of removing scraps includes a cutting device and an air guiding cover. The cutting device includes a motor having a power outputting shaft, and a cutter mounted at an end of the power outputting shaft. The air guiding cover is hollow-shaped, installed outside the motor, and has air inlet and outlet. The power outputting shaft protrudes out of the air inlet and the cutter is at least partially located out of the air inlet. An air exhausting path is defined between the inner wall of the air guiding cover and the outer wall of the motor. Two opposite ends of the air exhausting path communicate with the air inlet and outlet respectively. By the above-described configuration of the edge trimming mechanism, it is effective in removing the scraps produced by the edge banding machine in the edge trimming process.

Abstract: A spindle drive assembly for opening or closing a vehicle flap, having a spindle drive assembly housing extending along a spindle drive axis and a spindle drive motor arranged in the spindle drive assembly housing. The motor shaft of the spindle drive motor is arranged substantially coaxially with the spindle drive axis. Furthermore, the spindle drive motor is supported in the spindle drive assembly housing in a rotationally fixed manner in relation to the spindle drive axis by an interlocking fit. In addition, a vehicle flap with such a spindle drive assembly.

Abstract: A motor includes a commutator, a bracket including a conductive brush, first and second wall parts, and first and second deformable parts. The conductive brush is in contact with the commutator. The first wall part includes a first surface extending along a first surface of the conductive brush. The second wall part includes a second surface extending along a second surface of the conductive brush located on a side opposite the first surface of the conductive brush. The first deformable part is in contact with both the first surface of the conductive brush and the first surface of the first wall part, and is deformable in response to movement of the conductive brush. The second deformable part is in contact with both the second surface of the conductive brush and the second surface of the second wall part, and is deformable in response to movement of the conductive brush.

Abstract: An electric pump includes a pump housing, a rotor assembly, a stator assembly, an isolation sleeve, a heat dissipation plate and an electric control board. The pump housing defines a pump inner chamber; the pump inner chamber is partitioned into a first cavity and a second cavity by the isolation sleeve; the rotor assembly is disposed in the first cavity; the stator assembly and the electric control board are disposed in the second cavity; the isolation sleeve comprises a bottom portion; at least a portion of the heat dissipation plate is disposed between the electric control board and the bottom portion; at least a portion of the bottom portion and at least a portion of the heat dissipation plate are in direct contact, or are filled with thermal silicone grease or thermal silica therebetween, or are provided with a thermal patch therebetween.

Abstract: The dual rotor electric machine comprises: a stator having one or more slots and one or more stator windings. The dual rotor electric machine further comprises a first rotor arranged to rotate relative to the stator with an airgap therebetween. The first rotor comprises a first rotor excitation element having one or more magnetic pole pairs arranged to interact with the stator windings, the first rotor configured to rotate about an axis (X). The dual rotor electric machine further comprises a second rotor arranged to rotate relative to the stator with an airgap therebetween. The second rotor comprises a second rotor excitation element having one or more magnetic pole pairs arranged to interact with the stator windings, the second rotor being configured to rotate about the axis (X).

Abstract: Disclosed is a hydraulic control apparatus of a brake system including a modulator block having a motor bore, and a motor including a cover that covers an opening of a case accommodating a stator and a rotor and is supported on one side of the modulator block, wherein a vent hole for air flow between the inside and the outside of the motor is formed on the cover and a communication passage for communicating the motor bore and the vent hole is formed in the modulator block.

Abstract: A drive device for a hydraulic pump of a braking system for a motor vehicle includes a housing, a rotor, a rotor shaft mounted in the housing and supporting the rotor, and a commutator arranged in the housing. The commutator includes at least one commutator brush held by a brush holder. The commutator brush cooperates with a commutator ring arranged on the rotor shaft in a non-rotatable manner. The brush holder includes a sealing ring assigned to the commutator which is arranged coaxially to the rotor shaft and interacts with the rotor shaft in a sealing manner.