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    • 1. 发明专利
    • Starting motor
    • 启动马达
    • JPS61135345A
    • 1986-06-23
    • JP25865384
    • 1984-12-05
    • Mitsubishi Electric Corp
    • YABUNAKA KIYOSHI
    • H02K23/04F02N11/00F02N11/10H02K7/10H02K7/14H02K23/48
    • H02K23/48F02N11/10H02K7/14
    • PURPOSE:To prevent an apparatus from being damaged due to excessive torque, by means of a simple mechanism which enables the positions of the armature and the commutator of a commutator-type motor to be relatively and structurally variable in the turning direction, and varies the relative positions automatically on the generation of excessive torque. CONSTITUTION:On a commutator-type motor combining an over-running clutch 13 and a pinion gear 13c for starting an engine with a helical spline section 12 fitted on an output rotary shaft 11, the relative positions between an armature 3 and a commutator 12 are arranged to be variable in the turning direction. Accordingly, for example, a hollow rotary shaft 81 should be fitted on the armature 3, and a torsion bar 82 should be inserted into the hollow section, and the output rotary shaft 11 should be fitted on the end section of the torsion bar 82. And when excessive torque is applied to the output rotary shaft 11, the relative positions between the armature 3 and the commutator 12 are automatically changed to positions for suppressing the reaction of the armature.
    • 目的:为了防止装置由于过大的扭矩而损坏,通过使换向器式电动机的电枢和换向器的位置在转动方向上相对而且结构可变的简单机构, 相对位置自动产生过大扭矩。 构成:在组合过载离合器13的换向器型电动机和用于起动发动机的小齿轮13c上,该小齿轮13c装配在输出旋转轴11上的螺旋花键部12,电枢3和换向器12之间的相对位置是 布置成在转动方向上可变。 因此,例如,中空旋转轴81应该装配在衔铁3上,并且扭杆82应插入中空部分中,并且输出旋转轴11应该装配在扭杆82的端部上。 并且当对输出转轴11施加过大的扭矩时,电枢3与换向器12之间的相对位置自动地变为用于抑制电枢的反作用的位置。
    • 2. 发明专利
    • RADIAL DIRECTION VOID TYPE VIBRATING MOTOR
    • JP2002001216A
    • 2002-01-08
    • JP2000190985
    • 2000-06-26
    • TOKYO PARTS KOGYO KK
    • KAI SUKEO
    • B06B1/04H02K5/167H02K23/48
    • PROBLEM TO BE SOLVED: To generate proper vibration by simple structure by devising a bearing part without needing an external eccentric weight or the eccentric mechanism of a rotor itself. SOLUTION: In a motor in which radially projecting pole type rotors (R1 and R2) and field magnets (7 and 77) are housed in a housing (H) to make the magnets face the circumferences of the rotors through a void, a bearing hole is made to be a long hole (A) in which the longitudinal direction is the magnetic pole direction so that the rotors can be radially moved within the range of the size of the void by the magnetic force of the magnets during the rotation of the rotors, the bearing hole is made to be a large hole (B) to make the shaft movable on the whole circumference, or the bearing hole (C) is made to be a slightly larger hole concentric with the shaft, and a space part (K) is formed on the periphery of the bearings (222a and 222b) to make the bearings radially movable within the range of the void.
    • 4. 发明专利
    • FUEL PUMP
    • JP2002242785A
    • 2002-08-28
    • JP2001044384
    • 2001-02-21
    • DENSO CORP
    • ITO MOTOYA
    • F02M37/08F04D13/08F04D29/00F16C17/10F16C35/02F16D1/06H02K23/48
    • PROBLEM TO BE SOLVED: To improve pump efficiency by reducing the axial size of a fuel pump and decreasing slide resistance for positioning the axial direction of an armature. SOLUTION: The armature 38 of a motor part 33 is supported on a fixed shaft 41 fixed at the central part of a housing 31 and held in a state to bring a brush 51 into contact with a commutator segment 50, situated on the end face on the opposite side to a pump part 32 of the armature 38, through the force of a spring 52. A bearing member 46 interposed between the fixed shaft 41 and the end part on the commutator segment 50 side of the armature 38 is fixed on the armature 38 side, the bearing member 46 is rotatably and axially slidably inserted in the fixed shaft 41. By bringing the end face in the axial direction of the bearing member 46 into contact with the slide surface 53 of a brush holder 43 in a position where the axial center of the armature 38 is offset to the pump part 33 side from the axial center of a magnet 39, positioning in the axial direction of the armature 38 is effected.
    • 7. 发明专利
    • 直流モータ
    • 直流电动机
    • JP2016059262A
    • 2016-04-21
    • JP2015166027
    • 2015-08-25
    • アスモ株式会社
    • 森本 敏弘
    • H02K23/48H02K23/66H02K23/26
    • H02K1/24H02K13/04H02K23/36H02K3/18H02K23/40
    • 【課題】出力特性を維持しながら、火花摩耗によるブラシ寿命の低下を防止し得る直流モータを提供する。 【解決手段】多数のティース11を備えたコア10と、各ティースの先端部に設けられた二股状の分岐部12と、各ティースの基端部に巻回される内側巻線13と、各ティースの分岐部と隣り合うティースの分岐部との間に巻回される外側巻線14とを備えた直流モータにおいて、内側巻線13の巻数と外側巻線14の巻数を、内側巻線と外側巻線のインダクタンスが揃うように調整した。 【選択図】図1
    • 要解决的问题:提供一种直流电动机,其可以防止由于火花磨损而导致的刷子寿命的降低,同时保持输出特性。解决方案:直流电动机包括具有大量齿11,叉状 设置在每个齿的末端部分中的分叉部分12,缠绕在每个齿的基端部的内部绕组13和缠绕在每个齿的分叉部分和相邻牙齿的分叉部分之间的外部绕组14。 调节内绕组13的绕组数和外绕组14的绕组数,使得内绕组的电感和外绕组的电感相等。图示:图1