Abstract: A gear side feeding terminal (73U, 73V, 73W) connected to a motor side feeding terminal (36U, 36V, 36W) provided to the end portion of a stator (32) in the axial direction of the stator (32) from the axial direction of a rotor (38) is provided on a control board (70) for controlling the rotor (38), housed in a gear case (61) so as to be stacked on a speed reduction mechanism (SD) from the direction crossing the axial direction of the rotor (38). In this manner, the wiper motor is composed of a brushless wiper motor (20), and it is unnecessary to provide the gear side feeding terminal (73U, 73V, 73W) so as to avoid the control board (70). Accordingly, it is possible to prevent electric noises, and provide a wiper motor reduced in size and weight, and since it is unnecessary to form a clearance in the control board (70), it is possible to provide a wiper motor further improved in degree of freedom for designing the control board (70).

Abstract: In a brushless wiper motor, a rotor (33) is rotatably provided inside a stator (32) provided with a coil (32b), one end side of a rotation shaft (34) in the axial direction is fixed to the axial center of the rotor (33), a worm (35) is provided on the other end side of the rotation shaft (34) in the axial direction, the first and second bearings (36, 37) are respectively provided on one end side of the rotation shaft (34) in the axial direction and the other end side of the rotation shaft (34) in the axial direction than the worm (35) of the rotation shaft (34), the rotation shaft (34) is rotatably supported by only the first and second bearings (36, 37), and with the position of the first bearing (36) being defined as a reference position, a length thereof in the axial direction to the second bearing (37) is longer than a length thereof in the axial direction to the rotor (33).

Abstract: In a driving apparatus (10) in which a position of a rotating shaft (27) of an electric motor (16) in a direction of an axis (B1) is determined, the driving apparatus (10) has: a stopper (77) which determines a position of the rotating shaft (27) in the direction of the axis (B1), and a terminal holder (31) which holds a first terminal for supplying an electric current to the electric motor (16), wherein a layout region of the stopper (77) in the direction of the axis (B1) and a layout region of the terminal holder (31) in the direction of the axis (B1) are overlapped with each other.

Abstract: In a driving apparatus having a casing 10A in which an electric motor 16 is housed, the driving apparatus further has: a rotating shaft 27 through which a torque of the electric motor 16 is transmitted, the rotating shaft 27 being formed with a worm 40; a worm wheel 41 which is disposed in the casing 10A, the worm wheel 41 having a worm gear 42 which is engaged with the worm 40; a terminal holder 31 which is disposed in the casing 10A, and which supports a terminal carrying a current to be supplied to the electric motor 16; and an air hole 78 which extends so as to penetrate the casing 10A, an inside of the casing 10A and an outside of the casing 10A communicating with each other through the air hole 78, wherein in a plan view perpendicular to an axis C1 serving as a rotation center of the worm wheel 41, the air hole 78 is disposed in an area defined by projection of an area occupied by the terminal holder 31 in a direction along an axis B1, and between the electric motor and an engaging part E1 of the worm 4

Abstract: In a brushless wiper motor, first and second pressing claws (43a and 43b) are formed on an outer periphery (OP) of steel sheets (34a) forming a stator core (34), and press-fitted to an inner periphery (IP) of the motor housing unit (31) so that the stator core (34) is fixed to the motor housing unit (31), base end portions of the first and second pressing claws (43a and 43b) are respectively connected to first and second walls formed on the outer periphery (OP) of the steel sheets (34a), and tip end portions of the first and second pressing claws (43a and 43b) each serves as a free end, and are directed in a circumferential direction of the stator core (34).

Abstract: A driving apparatus having an electric motor configured to rotate a rotating shaft (27) by a supplied current, the driving apparatus comprising: a control board (49) which is positioned relative to the electric motor, and on which electronic components for controlling the electric motor is mounted; a plurality of first terminals (58, 59, 60) which are mounted on the control board (49), the first terminals (58, 59, 60) carrying a current; a plurality of second terminals (44, 45, 46) connected to the respective first terminals (58, 59, 60), the second terminals (44, 45, 46) carrying a current, the second terminals (44, 45, 46) being disposed outside the rotating shaft (27) in a radial direction of the rotating shaft (27) and arranged along a circumferential direction of the rotating shaft (27).

Abstract: The swing member (63) to be subjected to swinging drive is integrally provided to the output shaft (56) outside the speed reducer case (52), the speed reducer case (52) is provided with a pair of swing regulating portions (61, 62) which prevents the swing member (63) from being moved beyond the wiping-allowable limit angle (b°) by contacting the swing member (63). As a result, the swing member (63) and the swing regulating portions (61, 62) can collectively form the regulating member (60). As a result, essential components (such as fixing plate) can be omitted from the conventional wiper apparatus. Therefore, the wiper apparatus can be improved in assembly workability, size and weight by reducing the number of components thereof, and provided with a regulating member (60) which prevents the wiper member being moved beyond the wiping-allowable limit angle (b°).

Abstract: In a driving apparatus having a casing 10A in which an electric motor 16 is housed, the driving apparatus further has: a rotating shaft 27 through which a torque of the electric motor 16 is transmitted, the rotating shaft 27 being formed with a worm 40; a worm wheel 41 which is disposed in the casing 10A, the worm wheel 41 having a worm gear 42 which is engaged with the worm 40; a terminal holder 31 which is disposed in the casing 10A, and which supports a terminal carrying a current to be supplied to the electric motor 16; and an air hole 78 which extends so as to penetrate the casing 10A, an inside of the casing 10A and an outside of the casing 10A communicating with each other through the air hole 78, wherein in a plan view perpendicular to an axis C1 serving as a rotation center of the worm wheel 41, the air hole 78 is disposed in an area defined by projection of an area occupied by the terminal holder 31 in a direction along an axis B1, and between the electric motor and an engaging part E1 of the worm 4

Abstract: In a driving apparatus (10) in which a position of a rotating shaft (27) of an electric motor (16) in a direction of an axis (B1) is determined, the driving apparatus (10) has: a stopper (77) which determines a position of the rotating shaft (27) in the direction of the axis (B1), and a terminal holder (31) which holds a first terminal for supplying an electric current to the electric motor (16), wherein a layout region of the stopper (77) in the direction of the axis (B1) and a layout region of the terminal holder (31) in the direction of the axis (B1) are overlapped with each other.

Abstract: In a brushless wiper motor, first and second pressing claws (43a and 43b) are formed on an outer periphery (OP) of steel sheets (34a) forming a stator core (34), and press-fitted to an inner periphery (IP) of the motor housing unit (31) so that the stator core (34) is fixed to the motor housing unit (31), base end portions of the first and second pressing claws (43a and 43b) are respectively connected to first and second walls formed on the outer periphery (OP) of the steel sheets (34a), and tip end portions of the first and second pressing claws (43a and 43b) each serves as a free end, and are directed in a circumferential direction of the stator core (34).

Abstract: A driving apparatus having an electric motor configured to rotate a rotating shaft (27) by a supplied current, the driving apparatus comprising: a control board (49) which is positioned relative to the electric motor, and on which electronic components for controlling the electric motor is mounted; a plurality of first terminals (58, 59, 60) which are mounted on the control board (49), the first terminals (58, 59, 60) carrying a current; a plurality of second terminals (44, 45, 46) connected to the respective first terminals (58, 59, 60), the second terminals (44, 45, 46) carrying a current, the second terminals (44, 45, 46) being disposed outside the rotating shaft (27) in a radial direction of the rotating shaft (27) and arranged along a circumferential direction of the rotating shaft (27).

Abstract: A gear side feeding terminal (73U, 73V, 73W) connected to a motor side feeding terminal (36U, 36V, 36W) provided to the end portion of a stator (32) in the axial direction of the stator (32) from the axial direction of a rotor (38) is provided on a control board (70) for controlling the rotor (38), housed in a gear case (61) so as to be stacked on a speed reduction mechanism (SD) from the direction crossing the axial direction of the rotor (38). In this manner, the wiper motor is composed of a brushless wiper motor (20), and it is unnecessary to provide the gear side feeding terminal (73U, 73V, 73W) so as to avoid the control board (70). Accordingly, it is possible to prevent electric noises, and provide a wiper motor reduced in size and weight, and since it is unnecessary to form a clearance in the control board (70), it is possible to provide a wiper motor further improved in degree of freedom for designing the control board (70).

Abstract: A motor case part (30) having a stator (36) and a gear case part (50) having a reduction mechanism (SD) are integrally formed of the same material. In this manner, heat is directly dissipated from the motor case part (30) to the outside without the gear case part (30). Therefore, a brushless wiper motor (20) can be improved in heat radiation performance so as to enhance strength in high temperature can be realized. By manufacturing the motor case part (30) and the gear case part (50) from aluminum, while sufficient radiation performance is secured, a thickness thereof is made thin and lack in rigidity can be overcome. Furthermore, It is unnecessary to manufacture the motor case part (30) and the gear case part (50) individually and it is also unnecessary to perform pressing to a steel plate like the conventional art. Therefore, workability of the motor case part (30) and the gear case part (50) can be improved.

Abstract: In a brushless wiper motor, a rotor (33) is rotatably provided inside a stator (32) provided with a coil (32b), one end side of a rotation shaft (34) in the axial direction is fixed to the axial center of the rotor (33), a worm (35) is provided on the other end side of the rotation shaft (34) in the axial direction, the first and second bearings (36, 37) are respectively provided on one end side of the rotation shaft (34) in the axial direction and the other end side of the rotation shaft (34) in the axial direction than the worm (35) of the rotation shaft (34), the rotation shaft (34) is rotatably supported by only the first and second bearings (36, 37), and with the position of the first bearing (36) being defined as a reference position, a length thereof in the axial direction to the second bearing (37) is longer than a length thereof in the axial direction to the rotor (33).

Abstract: The swing member (63) to be subjected to swinging drive is integrally provided to the output shaft (56) outside the speed reducer case (52), the speed reducer case (52) is provided with a pair of swing regulating portions (61, 62) which prevents the swing member (63) from being moved beyond the wiping-allowable limit angle (b°) by contacting the swing member (63). As a result, the swing member (63) and the swing regulating portions (61, 62) can collectively form the regulating member (60). As a result, essential components (such as fixing plate) can be omitted from the conventional wiper apparatus. Therefore, the wiper apparatus can be improved in assembly workability, size and weight by reducing the number of components thereof, and provided with a regulating member (60) which prevents the wiper member being moved beyond the wiping-allowable limit angle (b°).

Abstract: A thermally-conductive member (60) is provided between a housing (53) and a FET module (54f) constituting a controller (54b), and used to release heat of the FET module (54f) to the housing (53). Therefore, heat of the FET module (54f) can be dissipated to outside via the thermally-conductive member (60) and the housing (53). Since the housing (53) is made of aluminum, a surface area of the housing (53) can be increased to become larger than the conventional cooling fin member, and heat of the FET module (54f) can be dissipated to outside, the DR-side wiper motor (21) can be reduced in size and improved in cooling efficiency. Furthermore, since a cooling fin member is not inserted in the case cover (54) in a conventional manner. Therefore, the case cover (54) can be molded with ease, and the wiper motor can be improved in assembly workability.

Abstract: An object of the invention is to improve a layout property of members arranged on the brush holder. Power feeding terminals are formed in a flat shape extending in an axial direction of an armature shaft, and the power feeding terminal is arranged side by side in a width direction with respect to the power feeding terminal in one end portion of a brush holder. A condenser is provided between the power feeding terminals and the armature shaft. Further, a power supply circuit for electrically connecting the power feeding terminals to a leaf spring brush is electrically connected to a motor housing via a grounding stay, and a choke coil for reducing a noise generated in the power supply circuit is arranged so as to be lapped over a screw member fixing the leaf spring brush to the brush holder in the axial direction of the armature shaft.

Abstract: Improving layout characteristics of a detecting switch with respect to a control board to miniaturize an electric actuator. Switch-side connecting terminals are provided in a limit switch constituting a panel-position detecting mechanism, which is fixed to an outer face of a motor cover. Meanwhile, board-side connecting terminals having connecting portions to be terminal-connected to the switch-side connecting terminals are fixed to the control board, and the control board is disposed inside the motor cover and is fixed in a board case. By moving the limit switch toward the connecting portions, the switch-side connecting terminals and the connecting portions are connected, whereby the limit switch and the control board are connected.

Abstract: An object of the invention is to improve a layout property of members arranged on the brush holder. Power feeding terminals are formed in a flat shape extending in an axial direction of an armature shaft, and the power feeding terminal is arranged side by side in a width direction with respect to the power feeding terminal in one end portion of a brush holder. A condenser is provided between the power feeding terminals and the armature shaft. Further, a power supply circuit for electrically connecting the power feeding terminals to a leaf spring brush is electrically connected to a motor housing via a grounding stay, and a chock coil for reducing a noise generated in the power supply circuit is arranged so as to be lapped over a screw member fixing the leaf spring brush to the brush holder in the axial direction of the armature shaft.

Abstract: Improving layout characteristics of a detecting switch with respect to a control board to miniaturize an electric actuator. Switch-side connecting terminals are provided in a limit switch constituting a panel-position detecting mechanism, which is fixed to an outer face of a motor cover. Meanwhile, board-side connecting terminals having connecting portions to be terminal-connected to the switch-side connecting terminals are fixed to the control board, and the control board is disposed inside the motor cover and is fixed in a board case. By moving the limit switch toward the connecting portions, the switch-side connecting terminals and the connecting portions are connected, whereby the limit switch and the control board are connected.