Abstract: A distribution panel contains a housing defining a hollow interior having a back panel with a plate configured to be mounted thereto, where the frame is either slidable relative to the back panel and has an open position and a closed position, or includes a portion of a wire-holding mechanism and is configured to be coupled to the back panel, which includes another portion of the wire-holding mechanism.

Abstract: This invention relates to configurable electrical receptacles and more particularly to electrical receptacles that accept in-situ replacement of an insert providing a specific functionality within an electrical receptacle which is configurable to function or user accessible feature.

Abstract: A system for isolating a power conductor includes a power conductor that extends between first and second flanking support structures. First and second collars are connected respectively to the first and second flanking support structures. The first and second collars each at least partially surround the power conductor and including respective first and second open tracks that cooperate with each other to define a sheet-receiving slot. An electrically insulating/insulative sheet is located in the sheet-receiving slot and extends continuously between the first and second collars. The sheet is secured in covering relation with the power conductor.

Abstract: A vehicle is provided with a storage device for electrical energy that can be recharged from an external power supply and with a body which has at least one body opening that can be closed by a body flap, wherein a charging cable is provided, connected or connectable in an electrically conducting manner to the storage device and running at least partly inside the body. The body opening is a luggage-compartment opening or a door opening of the vehicle and the body flap is respectively a luggage-compartment lid or a door of the vehicle. The charging cable is formed as a flexible ribbon cable or has at least one flexible ribbon cable portion. The flexible ribbon cable or the at least one flexible ribbon cable portion can be led through a body gap present between a periphery of the body opening and the body flap.

Abstract: A tubular stress control article having an axial bore with a length comprises a first and innermost layer formed from an electrical stress control composition having a filler material comprising nanosilica-modified inorganic particles and a discontinuous arrangement of conductive material dispersed in an elastomeric material. At least a portion of the conductive material is in durable electrical contact with the inorganic particles. The article further comprises a second layer disposed on the first layer, the second layer comprising an electrical insulation material. The article also comprises a third layer disposed on the second layer, the third layer comprising an elastomeric stress control material. The article further comprises a fourth layer disposed on the third layer, the fourth layer comprising a track-resistant elastomeric material. Each of the first, second, third, and fourth layers are substantially continuous along the length of the axial bore.

Abstract: An electronic circuit breaker having a control unit and a controllable semiconductor switch which is connected in a current path between a voltage input and a load output, wherein the semiconductor switch is integrated into a voltage-controlled current source circuit, the output current of said current source circuit when the load is connected being adjusted by means of the control unit in such a way that the power of the semiconductor switch is lower than or equal to a maximum power value, and wherein the control unit outputs a setpoint value to the voltage-controlled current source circuit and receives a difference value from said voltage-controlled current source circuit, which difference value is formed from a deviation of an actual value, which represents the output current, from the setpoint value and is supplied to the semiconductor switch as a control signal for driving said semiconductor switch.

Abstract: An example power supply for supplying electrical power to an electronic device includes an AC to DC converter, power factor correction (PFC) circuitry, and a controller. The AC to DC converter is configured to convert an input AC power signal into a DC power signal. The PFC circuitry is configured to correct a power factor of the DC power signal. The controller is configured to monitor an amount of correction (?) being applied to the DC power signal by the PFC circuitry and to shut down supply of power to the electronic device in response to ? being within a first threshold of zero degrees for a second threshold amount of time.

Abstract: The disclosure provides a power supply circuit including an external power source, an ID pin provided in a universal serial bus (USB) port on a printed circuit board (PCB), and an internal power and signal management subsystem. The external power source is configured to power the internal power and signal management subsystem via the ID pin. A power supply method and a portable device are also disclosed.

Abstract: A current/voltage control apparatus capable of following power changes in a DC system. A current/voltage control apparatus includes a central monitoring control device that controls V-I characteristics of a terminal converter based on power consumption consumed by a load facility and generated power generated by a power generation facility, and the central monitoring control device includes a load state setting unit that predicts a change range of the power consumption in a predetermined period and also predicts a change range of the generated power in the period and a V-I characteristic determination unit that determines the V-I characteristics of the terminal converter based on the change range of the power consumption and the change range of the generated power predicted by the load state setting unit.

Abstract: A filtering arrangement for a system including a power electronics device and an external power storage/discharge element, which power electronics device includes a power module and a three-phase filter between the AC power terminals of the power module and the supplying AC power grid, and which power module includes a DC intermediate power bus, and which three-phase filter between the AC power terminals and the supplying AC power grid includes two three-phase inductors, and which external power storage/discharge element has two DC power terminals which are connected to the DC intermediate power bus of the power electronics device. The filtering arrangement includes a common mode inductor which is connected between the DC power terminals of the external power storage/discharge element and the terminals of the DC intermediate power bus of the power module.

Abstract: An electric circuit for regulating power transfer in a power grid includes a compensator circuit arranged to be connected between outputs of one or more power sources and a point of common coupling in the power grid. The compensator circuit is arranged to detect one or more electrical properties associated with the outputs and one or more electrical properties associated with the point of common coupling; and provide, based on the detection, a voltage output to emulate a resistor for suppressing filter resonance associated with the one or more power sources and to reduce equivalent impedance of the power grid.

Abstract: Various embodiments include a hybrid energy system that includes a gas-turbine generator (GTG), an energy storage device configured to store energy that is coupled to an inverter, with the GTG and energy storage device coupled to a low side of a step-up transformer, and methods of operating such hybrid energy systems to meet power output contract requirements or provide power for industrial power applications that exhibit load swings. Some methods of operation include controlling power output from and charging of the storage device so as to satisfy a contract schedule of electric power output. Some methods of operation include discharging a portion of stored energy of the energy storage device to satisfy swing loads of the industrial application and charging the energy storage device by the GTG between swing loads.

Abstract: A converter module for converting electrical power by means of a converter circuit having at least one power electronic semiconductor switch driven in a clocked manner is disclosed. The converter module includes a housing, a first DC link circuit terminal, and a capacitance arranged in the housing and connected to the first DC link circuit terminal and to the converter circuit and serving for stabilizing a DC voltage present at the first DC link circuit terminal. The converter module includes a second DC link circuit terminal, which is connected to the capacitance and to the first DC link circuit terminal, wherein the first and second DC link circuit terminals are designed for connection to DC link circuit terminals of further converter modules for converting electrical power. An inverter can be formed by at least two converter modules which are connected to one another via a respective one of their DC link circuit terminals.

Abstract: A control apparatus controls an optimizer that steps up a DC input voltage from a solar photovoltaic power generation panel to a predetermined DC high voltage and converts the stepped-up DC voltage into a grid connection voltage, and includes a microprocessor; a sensor group; and a MOS driver group. The microprocessor includes: a control logic unit; a maximum power point tracking control unit; a PWM control unit; a PFM control unit; an I/O port; a timer control unit; and an initial measurement unit. The sensor group includes a solar photovoltaic panel voltage detection circuit; a solar photovoltaic panel current detection circuit; an optimizer output voltage detection circuit; and an optimizer output current detection unit. Thus, even when the solar photovoltaic power generation panel is at a low power in a low output state, stable operation can be continued, and transistors can be protected from a surge voltage.

Abstract: A power generation system is disclosed that includes a photovoltaic (PV) array having a number of strings of PV modules switchably connected to a respective input node, an inverter comprising a plurality of inputs each coupled to each respective input node, each respective input node being coupled to a respective input of a DC-to-DC converter. An output of the DC-to-DC converter is switchably connected to an energy storage source, wherein the DC-to-DC converter charges the energy storage source with a portion of an output power of the PV array that exceeds a maximum inverter power. A controller incrementally disconnects subsets of the plurality of strings of PV modules from the respective input nodes to decrease an input current and input power to the inverter in response to an output voltage or output current of the PV array exceeding a threshold and the energy storage source being un-chargeable or unavailable.

Abstract: A power adapter, a cable, and an electronic device capable of delivering data or electric current to another electronic device via at least two different types of cables include: an internal power source and a first resistor, and the internal power source is electrically connected to an electronic interface of the electronic device via the first resistor. A method for identifying a type of a cable and is executable by the electronic device includes: determining a measured voltage when the electronic interface of the electronic device is connected to an electronic interface of a target cable; and identifying the type of the target cable based on the measured voltage.

Abstract: The present disclosure provides a charging system, a terminal, a power adapter and a charging line. The terminal includes a first controller and M charging input interfaces. The power adapter includes a second controller and N charging output interfaces. When at least one of the N charging output interface is coupled to the charging input interfaces of the terminal, the second controller and the first controller communicate with each other to determine the number of charging output interfaces of the power adapter coupled to the terminal, and a charging current outputted from the power adapter to the terminal is adjusted according to the number of charging output interfaces of the power adapter coupled to the terminal.

Abstract: A battery authentication system includes a battery pack, and a host device connected to the battery pack to charge the battery pack. The battery pack includes a battery, a discharge switch that turns on and off discharging of the battery, a charge switch that turns on and off charging of the battery, and a control integrated circuit (IC) that controls the battery. The control IC includes a charge/discharge control circuit that controls the discharge switch and the charge switch, and an authentication circuit that performs a process for performing an authentication with the host device. The authentication circuit is configured to perform a process associated with a first authentication. The charge/discharge control circuit is configured to control the discharge switch to be turned on when the first authentication is established. The authentication circuit is configured to perform a process associated with a second authentication.

Abstract: Embodiments of the present invention are directed to a cell protection system that may be employed in high voltage systems such as grid scale energy storage systems. In some embodiments, the advanced cell protection system includes a proactive balancing system for balancing one or more battery units of the energy storage systems. In some embodiments, the advanced cell protection system includes a switching protection system for safely connecting and disconnecting the one or more battery units of the energy storage systems to other systems. In some embodiments, the advanced cell protection system includes an isolated communication system for allowing the one or more battery units to safely communicate with each other and at least one controller of the energy storage system.

Abstract: Particular embodiments described herein provide for an electronic device, that includes a first housing and a wireless charging stand. The first housing can include a display. The wireless charging stand can include a power receiving unit and is configured to wireless charge the electronic device and support the first housing at different viewing angles of the display.

Abstract: A charging stand of this invention includes: a terminal placing section; a terminal mounting portion, which is provided in the terminal placing section, and to which contact pins serving as charging terminals are mounted; a left-side top surface portion provided on a left side of the terminal mounting portion; and a right-side top surface portion provided on a right side of the terminal mounting portion. The terminal mounting portion includes a mounting portion ridge line and two mounting portion inclined surfaces. The left-side top surface portion includes: a left-side top surface portion ridge line extending at a height lower than a height of the mounting portion ridge line; and two left-side top surface portion inclined surfaces. The right-side top surface portion includes: a right-side top surface portion ridge line extending at a height lower than the height of the mounting portion ridge line; and two right-side top surface portion inclined surfaces.

Abstract: A floor stand for supporting one or more mobile device charging stations for charging one or more mobile devices, including a vertical support member having an upper end and a lower end, wherein the one or more mobile device charging stations are supported on the vertical support member.

Abstract: A battery charging method and apparatus are provided. The battery charging apparatus receives a desired charging time of a battery, generates charging currents of charging steps to charge the battery based on the desired charging time, acquires a charging limit condition including an internal state condition and a maximum charging time for each of the charging steps based on the desired charging time and an electrochemical model of the battery, and generates a charging profile including the charging currents and charging times of the charging currents based on the charging limit condition.

Abstract: An apparatus and method employs a rectifier, switches, and power converter that comprises a first stage, a second stage and a direct current (DC) bus between the first and second stages, to: in a first state supply rectified DC current to the first stage and a voltage adjusted current from the second stage to a load, for example a power storage device (e.g., secondary battery, ultra-capacitor(s)) at a relatively high voltage (e.g., 48 V for traction motor), and in a second state supply DC current to the first stage from the power storage device and supply a voltage adjusted current from the second stage, for example to a lower voltage DC bus or load (e.g., 12 V). The rectifier can, for example, receive grid or mains AC power.

Abstract: Wireless charging devices, methods of manufacture thereof, and methods of charging electronic devices are disclosed. In some embodiments, a wireless charging device includes a controller, a molding material disposed around the controller, and an interconnect structure disposed over the molding material and coupled to the controller. The wireless charging device includes a wireless charging coil coupled to the controller. The wireless charging coil comprises a first portion disposed in the interconnect structure and a second portion disposed in the molding material. The wireless charging coil is adapted to provide an inductance to charge an electronic device.

Abstract: A wireless charging system including a transmitter and a receiver. The transmitter is formed of a coil of wire that includes a first loop portion, a second loop portion, and a crossing portion. The crossing portion electrically couples the first loop portion and the second loop portion such that when current is generated in the coil, electrical current flows through the first loop portion in a different rotational direction than in the second loop portion. The receiver is formed of a ferromagnetic core and multiple (e.g., three) coils disposed about the ferromagnetic core. Each coil may be disposed about a different axis of the core such that current may be induced in at least one of the coils by a magnetic field in any direction.

Abstract: The present disclosure discloses a charging device, a charging method, a power adapter and a terminal. The charging device includes a charging receiving terminal, a voltage adjusting circuit and a central control module. The charging receiving terminal is configured to receive an alternating current. The voltage adjusting circuit includes a first rectifier, a switch unit, a transformer and a second rectifier. The first rectifier is configured to rectify the alternating current and output a first voltage. The switch unit is configured to modulate the first voltage to output a modulated first voltage. The transformer is configured to output a second voltage according to the modulated first voltage. The second rectifier is configured to rectify the second voltage to output a third voltage. The voltage adjusting circuit applies the third voltage to a battery directly.

Abstract: Embodiments of the present disclosure provide a charging method, a charging device and a terminal. According to the embodiments of the present disclosure, a current battery voltage of a battery of a terminal is obtained. A current remaining electric quantity of the battery is obtained according to the current battery voltage. A charging duration of the battery at each charging stage is obtained according to the remaining electric quantity. The battery is charged according to the charging duration of the battery at each charging stage. This solution can increase a charging speed of the terminal.

Abstract: System and method for a portable propane-fueled battery charger. One system includes a battery charger including a propane fuel line and an engine including an output shaft. The engine is configured to receive propane via the propane fuel line and rotationally drive the output shaft. The battery charger further includes an alternator including a rotor and stator coils. The output shaft is mechanically coupled to the rotor, and the rotor is rotationally driven by the output shaft. An electrical current is induced in the stator coils by rotation of the rotor. The battery charger further includes an electrical circuit that receives the electrical current and is configured to determine when a battery pack is coupled to a battery connector, and charge the battery pack.

Abstract: A commercial package assembly that retains a battery for sale to a consumer includes a battery chamber and a control assembly. The battery chamber retains the battery. The battery is visible to the consumer while the battery is retained within the battery chamber. The control assembly is coupled to the battery chamber. Additionally, the control assembly is configured to transmit power from the battery to an electronic device while the battery is retained within the battery chamber.

Abstract: Methods and systems for controlling electrical distribution grids. The method includes determining premises in an electrical distribution grid that include an energy resource. The method further includes determining a configuration of the electrical distribution grid including a micro-grid, the micro-grid including the one or more premises. The method further includes electrically isolating, monitoring and controlling the micro-grid from the electrical distribution grid through the use of a micro-grid manager.

Abstract: An electrical power unit is positionable at a work surface and includes an upper housing including an upper surface and a lower surface spaced below the upper surface to define an upper housing chamber. A wireless power transmitter is disposed in the upper housing chamber and is operable to convey electrical energy to a wireless power receiver positioned at or above the upper surface. A base is coupled to the upper housing and extends downwardly therefrom, the base being configured for insertion into an opening formed in the work surface or into a space defined between two adjacent work surfaces. The base is further configured to facilitate securing the electrical power unit to the work surface or the adjacent work surfaces.

Abstract: In described examples, an apparatus includes: at least one resonant circuit for receiving a radio frequency signal; a rectifier coupled to the resonant circuit to output a first rectified signal with a constant level portion and a portion matching a first portion of the radio frequency signal, and to output a second rectified signal having a constant level portion and a portion that matches a second portion of the radio frequency signal; a first limiter circuit to limit a voltage of the first rectified signal to a predetermined maximum voltage level; a second limiter circuit to limit the voltage of the second rectified signal to the predetermined maximum voltage level; a third limiter circuit to limit a voltage of the first rectified signal to a predetermined minimum voltage level; and a fourth limiter circuit to limit the voltage of the second rectified signal to the predetermined minimum voltage level.

Abstract: A method of determining the phases of a multitude of transmitting elements of an RF power generating unit, includes, in part, activating one of transmitting element during the first time period, turning off the remaining transmitting elements during the first time period, transmitting an RF signal from the activated transmitting element to a device to be charged during the first time period, detecting a first phase value associated with the RF signal at the device during the first time period, transmitting the detected first phase value from the device to the generating unit during the first time period, and adjusting the phase of the activated transmitting element in response to the detected first phase value.

Abstract: Techniques for coil configuration in a wireless power transmitter in a system, method, and apparatus are described herein. An apparatus for coil configuration in a wireless power transmitter may include a transmitting coil comprising an inner portion and an outer portion, and a switch configured to initiate current on the inner portion based on a detected condition.

Abstract: A stator is for a rotary electric machine. The stator includes a stator core includes a stator yoke having an annular shape, teeth being projected to an inner diameter side from the stator yoke, coils wound around the teeth, and a reinforcing member. The reinforcing member has a ring shape, and fixed to an axial end surface at a tip of each of the teeth. The tip is a portion on the inner diameter side of an arrangement range of the coil. The reinforcing member is a non-magnetic body.

Abstract: A stator core has first, second, and third pole teeth disposed circumferentially and projecting radially outward, the first pole teeth face rotor magnets and have symmetric tooth tips, the second and third pole teeth are circumferentially disposed adjacent to the first pole teeth and have asymmetric tooth tips, and a distance between the tooth tips of the second and third pole teeth is smaller than a distance between the tooth tips of the first and second pole teeth and the distance between the tooth tips of the first and third pole teeth. This apparently reduces the facing ratio between the stator pole teeth and the rotor magnetic poles and increases the cogging torque while preventing increase in cost and reduction in workability.

Abstract: The invention relates to an electric machine comprising a stator and a rotor moveable relative to the stator. The stator has slots for accommodating electrical windings, wherein teeth of the stator are formed between adjacent slots. During operation of the machine, an operating wave of the magnetomotive force is different from a fundamental wave of the magnetic flux. The stator comprises at least one recess which is arranged in the tooth region and extends substantially in the radial direction.

Abstract: The laminated core (12) comprises laminations (10), which are arranged one over the other and which are each connected to each other by means of a first connection (9, 15). In addition, at least some of the laminations (10) are connected to each other by means of a second connection (11). By using two connections, the advantages thereof can be bundled, whereby the number and/or size of the connection points can be reduced while the requirement for the laminated core (12) remains the same or very high requirements for the laminated core (12) can be met or even increased. Advantageously, an adhesive is used as one of the connections (11), while the other connection (9, 15) can be a form-fitting connection. The adhesive (11) is applied to the lower side (13) and/or upper side (14) of the laminations (10) before or after the punching of the laminations (10). However, the two connections can also be formed by two adhesive systems.

Abstract: A multiple of communication hole pairs each including two communication holes are formed in a rotor in a rotor rotation direction. A region between the two communication holes of each communication hole pair is a center bridge that connects a core portion of the rotor and an umbrella form portion on an outer side in the rotor radial direction, and each communication hole communicates with an outer periphery of the rotor. A multiple of radiating projections protrude in the rotor radial direction from a central axis of rotation between respective pairs of the communication hole pairs. The radiating projections have side surface projections protruding to the umbrella form portion side neighboring in the rotor rotation direction. The side surface projections cover a whole or one portion of the umbrella form portion from the outer peripheral side of the rotor.

Abstract: A permanent magnet machine and a rotor assembly for the permanent magnet machine. The permanent magnet machine includes a stator assembly including a stator core including a stator winding to produce electrical currents. The stator assembly extending along a longitudinal axis with an inner surface defining a cavity. The rotor assembly including a rotor core and a rotor shaft. The rotor core is disposed inside the stator cavity and rotates about the longitudinal axis. The rotor assembly including a plurality of permanent magnets for generating a magnetic field which interacts with the stator winding to produce the electrical currents in response to rotation of the rotor assembly. within one or more cavities formed in a sleeve component. The sleeve component is configured to include a plurality of cavities or voids into which the permanent magnets are disposed to retain the permanent magnets therein and form an interior permanent magnet generator.

Abstract: An embedded permanent magnet type motor, which has one pole configured of two permanent magnets and has a plurality of poles of permanent magnets embedded in a rotor, includes a rotor whose magnet embedding holes communicate with a rotor outer periphery. The rotor has between adjacent poles a q-axis projection projecting in a direction away from a rotor rotation center. The magnet embedding holes are disposed so as to form an inverted V shape. An outer peripheral edge portion on the outer side of the permanent magnets has a curvature radius smaller than the distance from a rotation center axis to a rotor outermost peripheral portion. The outer peripheral edge portion is provided with permanent magnet positioning projections which restrain a movement of the permanent magnets toward between adjacent poles.

Abstract: An electric machine assembly for a vehicle is provided. The electric machine is in operational communication with a traction battery and includes a stator core defining a cavity and a rotor disposed within the cavity having an inner region defined by sets of triangle-shaped holes tessellated about respective central regions to form a truss structure such that the holes of the truss structure, during operational rotation, do not influence magnetic flux paths generated by magnets of the rotor. The rotor may have a strain energy value less than or equal to 16,100 Joules. The truss structure may include pairs of symmetrical portions each including segments arranged with adjacent rotor portions to define the triangle-shaped holes.

Abstract: Provided is a permanent magnet-type rotary electric machine which reduces torque ripples which are generated when powered up and cause noises and vibrations of a rotary electric machine. The rotary electric machine includes a stator having a stator winding and a rotor which is rotatably disposed to the stator and provided with a plurality of magnets. In a magnetic auxiliary salient pole formed between poles of the magnets provided in the rotor, a cogging torque is reduced and torque ripples generated when powered up are reduced by combining a magnetic cavity provided on a q axis passing through the center of the salient pole and a skewing in which a plurality of block cores are stacked and connected as a unit while deviating by a predetermined angle in a peripheral direction of the axis of the rotor.

Abstract: A method of making a permanent magnet rotor includes interference fitting pressure tools into bores in a rotor core as to deform material of the rotor core outwardly to bias permanent magnets mounted thereon in a radially outward direction against a fixation sleeve.

Abstract: A wedge for securing windings in a slot in the rotor poles of a rotor core of an electrical machine includes an elongate wedge body extending in an axial direction along a longitudinal axis. The wedge body includes layers perpendicular to the axial direction. The layers vary in electrical conductivity from layer to layer to inhibit eddy currents within the wedge body.

Abstract: A positioning actuator includes a stator assembly and a rotor, a printed circuit provided with electronic components, as well as a reduction gear for driving a rotary member. It includes two complementary blocks, the first block being made up of a shell having thermal conductivity no lower than 1 W/m/K, the first block including the reduction gear and having a passage for the output shaft of the reducing gear as well as an open opposing surface; the second block being formed by overmoulding the stator assembly and having a rear bearing recess for the rotor, the second block having a joining surface which complements a joining surface of the first block. The actuator also includes the electronic circuit which is positioned in a space defined between the first and second blocks. The disclosure also relates to a method for manufacturing such an actuator.

Abstract: An electric motor for vehicle including a stator; a stator support member; a rotation shaft; a rotor including a bottom wall and a peripheral wall, in which the peripheral wall is provided with a magnet and the bottom wall is configured to be combined with the rotation shaft; and a bearing holder including a tube part, and a water drip hole is formed on a vertically lower side of the tube part, the stator support member being provided with a bearing holder insertion part including a boss part into which the tube part is configured to be inserted, wherein a water drain structure configured to drain a water drop from the water drip hole is provided along a circumferential direction of an inner circumferential surface of the boss part in a vertically lower area of the inner circumferential surface of the boss part.

Abstract: Provided is an electric motor assembly and method for assembling an electric motor assembly within an appliance. The electric motor assembly eliminates the use of a rigid or flexible circuit board. It also eliminates the need for soldering contacts between the electrical switches, circuit board and motor which can increase the possibility of operational failures. The electric motor assembly further provides a single power point wiring connection between the switch and motor terminals and connector port allowing the motorized device to communicate with an appliance controller. Furthermore, by positioning certain mechanical components for operating electrical switches on the baseplate of the electric motor assembly and eliminating secondary components on adjacent brackets, a reduction in the dimensional tolerance stack-up among the electrical switches can be obtained.

Abstract: A rotary apparatus includes a motor including a rotary shaft, a plurality of gears including an output gear, and a housing accommodating the motor and the plurality of gears. The housing is separable into a first housing and a second housing. The motor includes a first end portion and a second end portion located on an opposite side of the first end portion. The rotary shaft is derived from the first end portion. The second housing includes a first regulating portion regulating a position of a part of the motor on the first end portion. The first housing includes a projecting portion projecting toward the second housing side. The projecting portion urges the second end portion of the motor toward the first regulating portion side directly or via another member.