Abstract: A bus bar unit includes a bus bar holder, a bus bar extending in a direction perpendicular to an axial direction and fixed to the bus bar holder, and an external connection terminal connected to the bus bar and extending to one side in the axial direction from the bus bar. The external connection terminal has a plate shape. The external connection terminal includes a first plate portion extending toward one side in the axial direction and a second plate portion that is positioned on a base end side of the first plate portion, is provided with a connection portion connected to the bus bar, and faces a direction different from the first plate portion. The first plate portion and the second plate portion are connected to each other in a bending line extending in the axial direction, and the second plate portion extends from one surface side to the other surface side of the first plate portion when viewed in the axial direction.

Abstract: A rotor includes a shaft arranged along a central axis extending in a vertical direction, a rotor core fixed on the shaft, magnets provided at an outer side of the rotor core in a radial direction, a rotor cover to accommodate the rotor core and the magnets, and a resin to fix the rotor cover and the magnets to each other. The rotor cover includes a cylindrical portion extending in an axial direction and surrounding outer sides of the rotor core and the magnets in the radial direction, and a bottom plate extending inward in the radial direction from a lower end portion of the cylindrical portion. The resin includes a filler provided at an inner side of the cylindrical portion in the radial direction and filled between the cylindrical portion and the magnets, an anti-separation portion, at least a portion of which is located below the bottom plate, and a connector overlapping the bottom plate in the axial direction. The filler and the anti-separation portion are connected via the connector.

Abstract: A stator comprises: a stator core placed in a circular ring shape around a central axis that extends vertically, onto which coil wires are wound; a first support member placed over the stator core; and a second support member placed over the first support member, the first support member having receiving grooves for guiding the coil wires coming out of the stator core, wherein the receiving grooves are grooves that open to the top and extend in a direction along the top surface of the first support member, the second support member having through-holes that axially support the coil wires, wherein the second support member at least partially overlaps the receiving grooves of the first support member in an axial view.

Abstract: A motor includes a motor main body including a rotor rotatable about a central axis extending in an up-down direction, a controller to control rotation of the rotor and disposed on an upper side of the motor main body, and a cover surrounding the controller from an outward diameter direction and an upper side of the controller, the controller including a substrate disposed along a direction orthogonal to the central axis and connected with a coil wire extending from the stator, a press fitting pin electrically connected to the substrate and extending along an up-down direction, and a support fitting and contacting a first contact surface facing the upper side of the motor main body and a second contact surface facing a lower side of the cover.

Abstract: A motor includes a motor main body including a rotor rotatable about on a central axis extending in an up-down direction, a controller to control the rotation of the rotor the controller being disposed on an upper side of the motor main body, a cover surrounding the controller from an outward diameter direction, the motor main body including a sealing surface with a groove portion opened upward, the cover including a lower end portion inserted into the groove portion, an outer flange portion located above the lower end portion and extending in an outward diameter direction, and an inner flange portion located above the lower end portion and extending in an inward diameter direction, the outer flange portion faces the sealing surface through a first space, the inner flange portion facing the sealing surface through a second space, and insides of the groove, the first space, and the second space are filled with an adhesive.

Abstract: A motor includes a motor main body including a rotor rotatable about a central axis extending in an up-down direction a controller to control rotation of the rotor, the controller being disposed on an upper side of the motor body, a cover surrounding the controller from an outward diameter direction, the motor main body including a sealing surface with a groove portion opened to the upper side, the cover including a lower end portion inserted into the groove portion, an outer flange portion is located above the lower end portion, the outer flange portion extends in the outward diameter direction, the outer flange portion faces the sealing surface through the first space in the up-down direction, an inside of the groove portion and the first space are filled with an adhesive, a distance along the up-down direction between a diameter direction outer end portion of the outer flange portion and the sealing surface is larger than a distance along the up-down direction between the outer flange portion and the seali

Abstract: An aspect of a motor of the invention includes a rotor having a shaft, a stator, a bearing supporting the shaft, a cylindrical motor housing holding the stator and opening to one side, a bearing holder positioned on one side of the stator and holding the bearing, a control circuit board positioned on one side of the bearing holder, a rotation sensor attached to the control circuit board, a control circuit board housing positioned on one side of the motor housing and housing the control circuit board, a sensor magnet positioned closer to one side than the bearing and attached to the shaft, and a nonmagnetic contamination cover at least a part of which is positioned between the control circuit board and the bearing holder in the axial direction and which covers one side of the shaft, the bearing, and the sensor magnet.

Abstract: A motor mounted on a vehicle includes a motor with a shaft placed along the central axis, a rotor radially opposed to the rotor through a gap, and a circuit board placed on one side of the axis of the stator and electrically connected to the stator. The stator includes a stator core, and a plurality of coils each including a winding portion which is defined by winding a coil wire onto the stator core. At least one of the plurality of coils is a first coil including a first extension which is defined by a portion of the coil wire extending to one side of the central axis from the winding portion. The first extension includes a connected portion connected to the winding portion, and a fixed portion fixed to the circuit board.

Abstract: A motor body includes a motor housing accommodating a rotor and a stator, a cover disposed above the motor body, a connector including a connector covering portion disposed between the motor body and the cover, and a substrate electrically connected to the motor body. The motor includes a first sealing portion that seals an upper portion of the motor housing and the connector covering portion, and a second sealing portion disposed on an upper side of the first sealing portion, the second sealing portion sealing is disposed between the cover and the connector covering portion, and the first sealing portion is disposed below an upper end of the motor housing.

Abstract: A motor includes a rotor with a shaft that extends axially, a stator that surrounds a radial outer side of the rotor, a heat sink that is axially above the stator and provided with cavities that pass conductors therethrough and extend axially, and a substrate that is axially above the heat sink and includes an electronic component mounted thereon, wherein the heat sink includes a contact surface that contacts the substrate or electronic component directly or via a heat dissipating member and an exposed surface that does not come into contact with other members, wherein the exposed surface is located closer to an outer edge than the cavities.

Abstract: A motor includes a rotor including a shaft that extends axially, a stator that surrounds the radial outer side of the rotor and includes coils defined by windings of coil wires, a holder with through-holes that is axially above the stator for insertion of the coil wires therethrough and extends axially, and a substrate that is axially above the holder and includes an electronic component mounted thereon. Only some of the coil wires with the same phase are inserted into each of the through-holes, and the through-holes are separate holes provided to different phases of the coil wires.

Abstract: A motor includes a heat sink including an inner region, and an outer region located radially outward from the inner region. An axial thickness of the inner region is larger than an axial thickness of the outer region, the bottom surface of the outer region is located axially above the bottom surface of the inner region, and the inner region and the electronic component at least partially overlap in an axial direction. A bus bar holder is located axially below the outer region and overlaps the inner region in a radial direction.

Abstract: A motor includes a rotor including a shaft extending axially, a stator surrounding a radial outside of the rotor and including a coil defined by a wound coil wire, a holder disposed on an axially upper side of the stator, the coil wire being inserted into the holder, the holder including through-holes extending axially, and a circuit board disposed on the axially upper side of the holder, an electronic component being mounted on the circuit board. When the holder is viewed from the axially upper side, the through-holes are located in a region where a center angle (?) centered on the shaft is less than or equal to 180 degrees.

Abstract: A motor control device includes a frame including a metal material, a substrate disposed on an upper side of the frame with a gap between the substrate and the upper side of the frame member, the substrate including a hole penetrating an upper surface and a lower surface, a wiring that is inserted into the hole from a side of the upper surface of the substrate, and a tip portion connected to the substrate, and an insulating spacer interposed between the frame and the substrate. The spacer includes a side wall portion that surrounds the tip portion of the wiring in a plan view.

Abstract: A motor may include a rotor including a shaft; a stator arranged radially outside of the rotor; a bearing arranged on an upper side of the stator; a tubular housing; a bearing holder arranged on the upper side of the stator; and a busbar unit arranged on an upper side of the bearing holder. The rotor may include a rotor magnet fixed to the shaft. The stator may include an annular core back; teeth arranged to extend radially inward from the core back; and coils wound around the teeth. The housing may include a housing inner circumferential surface arranged to hold the stator. The bearing holder may be arranged to be in contact with the housing inner circumferential surface. The busbar unit may be arranged to be in contact with the housing inner circumferential surface.

Abstract: A motor may include a rotor having a rotating shaft extending in an up-down direction, a stator that opposes the rotor, a housing that holds the stator, a heat sink that is attached to the housing, and a circuit board on which electronic components are mounted and which is disposed on a lower surface of the heat sink. The electronic components may include a heat-generating element. The housing may include a cylindrical portion and a flange portion extending outward in a radial direction from an upper end of the cylindrical portion. The heat sink may have a protruding portion protruding downward in an axial direction and is attached to an upper surface of the flange portion in the axial direction using a fixing member. The heat-generating element may be in contact with the heat sink via a heat-conducting member.

Abstract: A motor includes: a motor main body; a power board including a switching element and electrically connected to the motor main body; a control board electrically connected to the power board and disposed on an axial counter output side of the motor main body; a control board holder attached to the motor main body to hold the control board; a sensor magnet located on a counter output side of a stator and fixed to a shaft; a rotation sensor attached to the control board to face the sensor magnet; and a power board case directly or indirectly attached to the motor main body to hold the power board. The power board is positioned radially outward of the motor main body. Board surfaces of the power board are inclined with respect to board surfaces of the control board.

Abstract: An aspect of a motor of the invention includes a rotor having a shaft, a stator, a bearing supporting the shaft, a cylindrical motor housing holding the stator and opening to one side, a bearing holder positioned on one side of the stator and holding the bearing, a control circuit board positioned on one side of the bearing holder, a rotation sensor attached to the control circuit board, a control circuit board housing positioned on one side of the motor housing and housing the control circuit board, a sensor magnet positioned closer to one side than the bearing and attached to the shaft, and a nonmagnetic contamination cover at least a part of which is positioned between the control circuit board and the bearing holder in the axial direction and which covers one side of the shaft, the bearing, and the sensor magnet.

Abstract: A motor includes a rotor that includes a shaft centered on a central axis extending in an upward and downward direction; a stator that is disposed to face the rotor in a radial direction; a bearing that supports the shaft; a bearing holder that holds the bearing; and a housing that accommodates the rotor, the stator, and the bearing holder, and opens to an upper side. The housing includes a controller accommodating region that accommodates at least a portion of a controller electrically connected to the stator on an upper side from the bearing holder. An inner diameter of the housing in the controller accommodating region is larger than an inner diameter of the housing at a position to which the bearing holder is attached. The bearing holder is held on an inner peripheral surface of the housing by interference fitting.

Abstract: A motor body includes a motor housing accommodating a rotor and a stator, a cover disposed above the motor body, a connector including a connector covering portion disposed between the motor body and the cover, and a substrate electrically connected to the motor body. The motor includes a first sealing portion that seals an upper portion of the motor housing and the connector covering portion, and a second sealing portion disposed on an upper side of the first sealing portion, the second sealing portion sealing is disposed between the cover and the connector covering portion, and the first sealing portion is disposed below an upper end of the motor housing.