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    • 72. 发明授权
    • Starter for an internal combustion engine
    • 内燃机起动器
    • US4944192A
    • 1990-07-31
    • US392504
    • 1989-08-11
    • Akira MorishitaShuzoo Isozumi
    • Akira MorishitaShuzoo Isozumi
    • F02N15/06F02N11/02
    • F02N15/062F02N15/023Y10T74/13Y10T74/131Y10T74/19972
    • A starter for an internal combustion engine is disclosed which comprises a motor, an output shaft operatively coupled to the armature shaft of the motor, and an axially slidable assembly splined to the output shaft and including an overrunning clutch and a hollow shaft having a pinion formed at the front end thereof.According to a first aspect of the invention, at least a portion of the pinion, the teeth of which have a top surface of substantial circumferential width, is, when the hollow shaft is at the extreme rear position, received into and supported by an annular ball bearing which is mounted to the front frame to rotatably and axially slidably support the hollow shaft. According to a second aspect, the rear side surface of the ball bearing mounted to the front frame to support rotatably the hollow shaft abuts against the front side of the clutch to stop the forward movement of the axially slidably assembly. According to a third aspect, the output shaft forms an integral front extension of the armature shaft of the motor, and a stopper, i.e. an outwardly extending flange formed on the outer circumferential surface of the hollow shaft, abuts against the rear side of the annular bearing to stop the forward movement of the axially slidably assembly. The axially backward reaction acting on the output shaft at the splined portion from the axially slidable assembly is couteracted by an axially forward force generated by the axial backward deviated position of the armature of the motor with respect to the field magnets, or, alternatively, by an annular frustoconical leaf spring which is mounted to the rear bracket and bears against an annular disk mounted to a rear end portion of the armature shaft.
    • 公开了一种用于内燃机的起动器,其包括电动机,可操作地联接到电动机的电枢轴的输出轴和花键连接到输出轴的轴向可滑动组件,并且包括超越离合器和形成有小齿轮的空心轴 在其前端。 根据本发明的第一方面,小齿轮的至少一部分具有大体圆周宽度的顶表面,当空心轴位于最后端位置时,该小齿轮的至少一部分被一个环形 滚珠轴承,其安装到前框架以可旋转并轴向可滑动地支撑中空轴。 根据第二方面,安装到前框架以可旋转地支撑空心轴的球轴承的后侧表面抵靠离合器的前侧以阻止轴向可滑动组件的向前运动。 根据第三方面,输出轴形成电动机的电枢轴的整体前部延伸部,并且止动件(即,形成在中空轴的外周表面上的向外延伸的凸缘)抵靠环形的后侧 用于阻止轴向可滑动组件的向前运动。 作用在轴向滑动组件的花键部分处的输出轴上的轴向反向反作用通过由马达的电枢的轴向向后偏移位置相对于磁场磁体产生的轴向向前的力而被施加,或者,或者由 环形截头圆锥形板簧,其安装在后支架上并且抵靠安装到电枢轴的后端部分上的环形盘。
    • 73. 发明授权
    • Starter for an internal combustion engine
    • 内燃机起动器
    • US4938084A
    • 1990-07-03
    • US392317
    • 1989-08-11
    • Akira MorishitaShuzoo Isozumi
    • Akira MorishitaShuzoo Isozumi
    • F02N15/06F02N11/00
    • F02N15/062F02N15/023Y10T74/13Y10T74/131Y10T74/19972
    • A starter for an internal combustion engine is disclosed which comprises a motor, an output shaft operatively coupled to the armature shaft of the motor, and an axially slidable assembly splined to the output shaft and including an overrunning clutch and a hollow shaft having a pinion formed at the front end thereof.According to a first aspect of the invention, at least a portion of the pinion, the teeth of which have a top surface of substantial circumferential width, is, when the hollow shaft is at the extreme rear position, received into and supported by an annular ball bearing which is mounted to the front frame to rotatably and axially slidably support the hollow shaft. According to a second aspect, the rear side surface of the ball bearing mounted to the front frame to support rotatably the hollow shaft abuts against the front side of the clutch to stop the forward movement of the axially slidably assembly. According to a third aspect, the output shaft forms an integral front extension of the armature shaft of the motor, and a stopper, i.e. an outwardly extending flange formed on the outer circumferential surface of the hollow shaft, abuts against the rear side of the annular bearing to stop the forward movement of the axially slidably assembly. The axially backward reaction acting on the output shaft at the splined portion from the axially slidable assembly is countered by an axially forward force generated by the axially backward deviated position of the armature of the motor with respect to the field magnets, or, alternatively, by an annular frustoconical leaf spring which is mounted to the rear bracket and bears against an annular disk mounted to a rear end portion of the armature shaft.
    • 公开了一种用于内燃机的起动器,其包括电动机,可操作地联接到电动机的电枢轴的输出轴和花键连接到输出轴的轴向可滑动组件,并且包括超越离合器和形成有小齿轮的空心轴 在其前端。 根据本发明的第一方面,小齿轮的至少一部分具有大体圆周宽度的顶表面,当空心轴位于最后端位置时,该小齿轮的至少一部分被一个环形 滚珠轴承,其安装到前框架以可旋转并轴向可滑动地支撑中空轴。 根据第二方面,安装到前框架以可旋转地支撑空心轴的球轴承的后侧表面抵靠离合器的前侧以阻止轴向可滑动组件的向前运动。 根据第三方面,输出轴形成电动机的电枢轴的整体前部延伸部,并且止动件(即,形成在中空轴的外周表面上的向外延伸的凸缘)抵靠环形的后侧 用于阻止轴向可滑动组件的向前运动。 在轴向滑动组件的作用在花键部分处的输出轴上的轴向反向反作用相对于磁场磁体由马达的电枢的轴向向后偏移位置产生的轴向向前的力抵消,或者替代地,由 环形截头圆锥形板簧,其安装在后支架上并且抵靠安装到电枢轴的后端部分上的环形盘。
    • 77. 发明授权
    • Stator for a magnet motor
    • 磁铁定子
    • US4554474A
    • 1985-11-19
    • US619988
    • 1984-06-12
    • Akira MorishitaKyoichi Okamoto
    • Akira MorishitaKyoichi Okamoto
    • H02K1/06H02K1/12H02K23/04H02K21/26
    • H02K23/04
    • A stator for a magnetic motor comprising a cylindrical yoke, at least one pair of main magnetic poles formed of permanent magnets fixed to the inner peripheral surface of the yoke, at least one pair of auxiliary magnetic poles made of a soft iron material each placed at a side portion of each of the main magnetic poles, wherein an air gap formed between the inner peripheral surface of each of the main magnetic poles and the outer peripheral surface of an armature rotatably placed at the axial center of the yoke is made greater than an air gap formed between the inner peripheral surface of each of the auxiliary magnetic poles and the outer peripheral surface of the armature.
    • 一种用于磁电机的定子,包括圆柱形磁轭,至少一对固定在磁轭内周表面上的永久磁铁形成的主磁极,至少一对由软铁材料构成的辅助磁极, 每个主磁极的侧部分,其中形成在每个主磁极的内周表面和可旋转地设置在磁轭的轴向中心的电枢的外周面之间形成的气隙大于 每个辅助磁极的内周面与电枢的外周面之间形成气隙。