公开(公告)号：US4989467A

公开(公告)日：1991-02-05

申请号：US425526

申请日：1989-10-24

申请人： Akira Morishita ,  Kazuhiro Odahara ,  Shuzoo Isozumi

发明人： Akira Morishita ,  Kazuhiro Odahara ,  Shuzoo Isozumi

IPC分类号： F02N15/06 ,  F02N11/00 ,  F02N15/02 ,  F02N15/04

CPC分类号： F02N15/023 ,  F02N15/04 ,  F02N15/046 ,  Y10T74/13 ,  Y10T74/131 ,  Y10T74/134 ,  Y10T74/137

摘要： A coaxial type starter device comprises a motor having a dubular armature rotary shaft 22a, a rotary output shaft 3 partially inserted in the tubular armature shaft from its one side, the rotary output shaft being provided with a pinion 4 to be engaged with a ring gear of an engine, a driving force transmitting unit, disposed at one side of the motor and between the armature rotary shaft and the rotary output shaft, comprising a roller type overrunning clutch 30 and a planet gear wheel type speed reducing mechanism 10 for reducing a revolutional speed of the armature rotary shaft, and an electromagnetic switch, disposed at the other side of the motor, which causes the pinion of the rotary output shaft to engage with or disengage from the ring gear of the engine. The number of rollers 30b in the overrunning clutch is the same as or an integral multiple of the number of the planet gear wheels 10b in the planet gear wheel type speed reducing mechanism; a plurality of through holes 39 corresponding in number to pins 31 for supporting the planet gear wheels are formed in the clutch outer member in the overrunning clutch to be fitted with the pins, and the clutch outer member is supported at an end portion of the armature rotary shaft through a bearing.

公开(公告)号：US4987786A

公开(公告)日：1991-01-29

申请号：US430540

申请日：1989-11-02

申请人： Akira Morishita ,  Shuzoo Isozumi

发明人： Akira Morishita ,  Shuzoo Isozumi

IPC分类号： F02N15/06

CPC分类号： F02N15/066 ,  Y10T74/132 ,  Y10T74/134 ,  Y10T74/137

摘要： An output rotary shaft 12 of a coaxial engine starter has at one end thereof a pinion 19 engageable with an engine ring gear and is inserted at the other end into a tubular armature rotary shaft 11a of a motor. A clutch inner member 15b of a unidirectional clutch having helical splines formed in its inner circumference is engaged with a helical spline portion 12a formed on the armature rotary shaft. The engine starter further comprises a bearing surface 21a; 26 on the clutch inner member and a bearing 13 fitted within the inner circumferential surface of the tublar armature rotary shaft, and the output rotary shaft is supported by the bearing surface of the clutch inner member and the bearing. The output rotary shaft may have an enlarged-diameter portion 12b at the position inserted within the armature rotary shaft, which axially extends substantially between the helical spline portion and the bearing and defines a small annular clearance 24 between it and the inner circumferential surface of the armature rotary shaft.

摘要翻译： 同轴发动机起动器的输出旋转轴12的一端具有可与发动机环形齿轮接合的小齿轮19，并且在另一端插入电动机的管状电枢旋转轴11a中。 具有在其内周形成的螺旋花键的单向离合器的离合器内部构件15b与形成在电枢旋转轴上的螺旋花键部12a接合。 发动机起动器还包括轴承面21a; 26和离合器内侧构件的内周面上嵌合的轴承13，输出旋转轴由离合器内侧构件和轴承的支承面支承。 输出旋转轴可以在插入电枢旋转轴内的位置处具有扩大直径部分12b，该直径部分12b基本上在螺旋花键部分和轴承之间轴向延伸，并且在其与内周面之间限定小的环形间隙24 电枢旋转轴。

公开(公告)号：US4986140A

公开(公告)日：1991-01-22

申请号：US444264

申请日：1989-12-01

申请人： Akira Morishita ,  Shuzoo Isozumi

发明人： Akira Morishita ,  Shuzoo Isozumi

IPC分类号： F02N15/02

CPC分类号： F02N15/023 ,  Y10T74/132 ,  Y10T74/134 ,  Y10T74/137

摘要： An engine starter motor comprising an electric motor, a unidirectional clutch connected to the motor and having an output shaft, the unidirectional clutch exhibiting a drag torque appearing when the unidirectional clutch is being rotated in an idle direction, a speed reduction unit connected to the unidirectional clutch, and a pinion shaft having a pinion gear for engaging and driving an engine ring gear and connected to the speed reduction unit through helical splines. The drag torque T of the unidirectional clutch is determined to be equal to or smaller than a drag torque To, at which a return force F on the pinion shaft with an over-running clutch mounted thereon does not exceed an operating force on the pinion shaft by a solenoid, divided by a speed reduction ratio g between the over-running clutch and the pinion shaft.

摘要翻译： 一种发动机起动电动机，包括电动机，连接到所述电动机并具有输出轴的单向离合器，所述单向离合器在所述单向离合器在空转方向上转动时出现拖曳转矩;减速单元，连接到所述单向 离合器和小齿轮轴，其具有小齿轮，用于接合和驱动发动机环形齿轮，并通过螺旋花键连接到减速单元。 单向离合器的阻力矩T被确定为等于或小于其上安装有超行驶离合器的小齿轮轴上的返回力F不超过小齿轮轴上的操作力的拖曳扭矩To 通过螺线管除以过载离合器和小齿轮轴之间的减速比g。

公开(公告)号：US4924126A

公开(公告)日：1990-05-08

申请号：US356164

申请日：1989-05-24

申请人： Shuzoo Isozumi

发明人： Shuzoo Isozumi

IPC分类号： F02N15/06

CPC分类号： F02N15/066

摘要： A coaxial type starter device comprises an armature rotary shaft disposed in a dc motor, a rotary output shaft having a pinion at its one end and supported so as to be slidable in the axial direction, a solenoid-type an electromagnetic switch disposed in alignment with the axial line of the rotary output shaft, wherein the electromagnetic switch comprises a cylindrical casing surrounding through bolts extending in the axial direction along the inner circumferential surface of the casing, an exciting coil disposed in the casing and a plunger disposed at the inner part of the casing so as to be slidable in the axial direction. The exciting coil is in the shape of a race track in cross section and has a portion extending near the inner circumferential surface of the casing except for areas where the through bolts extend.In another embodiment, through bolts are extended inside the yoke of the dc motor along its axial direction to thereby assemble the yoke, a housing covering the commutator of the motor and a front machine frame by fastening, and the electromagnetic switch is attached to the housing by means of fitting bolts which extend in a space between the exciting coil and the plunger of the electromagnetic switch.

摘要翻译： 一种同轴式起动装置，包括设置在直流电动机中的电枢旋转轴，旋转输出轴，其一端具有小齿轮并被支撑为能够沿轴向滑动;螺线管型电磁开关，其与 所述旋转输出轴的轴线，其中所述电磁开关包括圆筒形壳体，所述圆柱形壳体围绕沿着所述壳体的内周面沿轴向延伸的螺栓，设置在所述壳体中的励磁线圈和设置在所述壳体的内部的柱塞 所述壳体能够沿轴向滑动。 励磁线圈的横截面为赛道的形状，除了贯穿螺栓延伸的区域外，还具有在壳体的内周面附近延伸的部分。 在另一个实施例中，贯穿螺栓沿其轴向方向延伸到直流电动机的轭架内部，从而组装轭架，通过紧固件覆盖电动机的换向器和前机架的壳体，并且电磁开关附接到壳体 通过在电磁开关的励磁线圈和柱塞之间的空间中延伸的配合螺栓。

公开(公告)号：US4918324A

公开(公告)日：1990-04-17

申请号：US296104

申请日：1989-01-12

申请人： Shuzoo Isozumi

发明人： Shuzoo Isozumi

IPC分类号： F02N11/00 ,  F02N15/02 ,  F02N15/04 ,  H02K7/10

CPC分类号： F02N15/046 ,  Y10T74/132

摘要： A coaxial engine starter in which a solenoid switch is disposed behind an electric motor, a planetary speed reduction gear is disposed in front of the electric motor, and an ouptut rotary shaft is driven by the electric motor through the planetary speed reduction gear, a housing to which a bearing for receiving radial loads from the output rotary shaft is secured is integrally formed by a synthetic resin with an inner gear of the planetary speed reduction gear. A metallic flange for attaching the starter to an engine may be mounted to the housing by an electrically conductive securing member, and an electrical conductor for electrically connecting the flange to a motor yoke through the securing member may also be provided.

摘要翻译： 一种同轴发动机起动器，其中螺线管开关设置在电动机的后面，行星减速齿轮设置在电动机的前方，并且喷头旋转轴由电动机通过行星减速齿轮驱动，壳体 固定有用于从输出旋转轴接收径向载荷的轴承由具有行星减速齿轮的内齿轮的合成树脂一体地形成。 用于将起动器附接到发动机的金属法兰可以通过导电固定构件安装到壳体，并且还可以提供用于通过固定构件将凸缘电动连接到电动机轭的电导体。

公开(公告)号：US4862027A

公开(公告)日：1989-08-29

申请号：US288930

申请日：1988-12-23

申请人： Shuzoo Isozumi ,  Keiichi Konishi

发明人： Shuzoo Isozumi ,  Keiichi Konishi

IPC分类号： F02N11/00 ,  F02N15/06

CPC分类号： F02N15/066 ,  F02N15/023 ,  Y10T74/13 ,  Y10T74/131 ,  Y10T74/132 ,  Y10T74/134 ,  Y10T74/137

摘要： A coaxial starter motor comprising a d.c. motor having a hollow rotary shaft extended forward and a planetary speed reduction gear having a sun gear disposed on the outer periphery of the rotary shaft. The starter motor comprises an over-runing clutch of which inner sleeve rotates in one direction and is provided at the inner circumference with helical splines, the over-runing clutch being disposed on the front side of the rotary shaft and rotated at a reduced speed by the planetary gear speed reduction gear. Also provided is an output sleeve mounted on the front end portion of the rotary shaft and having a pinion at its front end portion and axially movably and relatively rotatably supported by a bearing, in which helical splines formed close to the rear portion of the outer periphery is in mesh with helical splines of the inner sleeve. A solenoid switch is disposed on the rear end portion of the d. c. motor, the solenoid switch having an excitation coil, a plunger electromagnetically moved forward when a current flows through the excitation coil, a movable rod connected to the plunger and extending into a hollow bore of the rotary shaft to oppose the front wall inner surface of the output sleeve at its front end, the movable rod being moved forward by the forward movement of the plunger to move forward the output sleeve, and a movable contact engagable with a stationary contact by the forward movement of the movable rod for supplying an electrical power to the armature.

摘要翻译： 一种同轴起动马达，包括直流 电动机具有向前延伸的中空旋转轴和具有设置在旋转轴的外周上的太阳齿轮的行星减速齿轮。 起动马达包括内套筒沿一个方向旋转并且在内圆周上设置有螺旋花键的超行程离合器，超跑离合器设置在旋转轴的前侧，并以降低的速度旋转 行星齿轮减速装置。 还提供了一种安装在旋转轴的前端部分上的输出套筒，其前端部具有小齿轮，并且由轴承可轴向移动和相对可旋转地支撑，其中形成为靠近外周的后部的螺旋花键 与内套筒的螺旋花键啮合。 螺线管开关设置在d的后端部分上。 C。 电动机，具有励磁线圈的电磁开关，当电流流过励磁线圈时向前电动的柱塞;连接到柱塞并延伸到旋转轴的中空孔的可动杆，以与旋转轴的前壁内表面相对; 输出套筒在其前端，可动杆通过柱塞的向前运动而向前移动以向前移动输出套筒，以及通过活动杆的向前运动可接合的固定触点的可动触头，用于将电力供应到 电枢。

公开(公告)号：US5086244A

公开(公告)日：1992-02-04

申请号：US660929

申请日：1991-02-28

申请人： Shuzoo Isozumi

发明人： Shuzoo Isozumi

IPC分类号： F02N15/00 ,  H02K5/14 ,  H02K5/15

CPC分类号： H02K5/148 ,  F02N15/00 ,  H02K5/15

摘要： A starter having an electric motor which has a yoke constituting the magnetic circuit of the motor and the outside portion of the starter, and a bowl-shaped rear cover made of a resin and secured to the rear end of the yoke by longitudinal bolts, wherein each of said bolts comprises a slender portion which extends in parallel with the axis of the starter through a support plate borne at the rear end of the yoke and extending inward in the radial direction of said yoke and has a front part engaged with the front cover of the starter and a rear threaded part projecting out through the insertion hole of the rear cover, and a spacer provided on the slender portion and located in contact with the plate and the inside surface of the end wall of the rear cover at both the ends of the the spacer; and nuts are engaged with the rear threaded parts of the slender portions of the bolts to attach the rear cover to the rear end to the yoke.

摘要翻译： 一种具有电动机的起动器，其具有构成电动机的磁路的轭和起动器的外部，以及由树脂制成的碗形后盖，并且通过纵向螺栓固定到轭的后端，其中 每个所述螺栓包括细长部分，所述细长部分通过支撑板平行地延伸，所述支撑板支撑在所述轭的后端，并且在所述轭的径向方向上向内延伸，并且具有与所述前盖接合的前部 以及通过所述后盖的插入孔突出的后螺纹部分，以及设置在所述细长部分上并且位于所述板的两个端部处的与所述板和所述后盖的端壁的内表面接触的间隔件 的间隔物; 并且螺母与螺栓的细长部分的后螺纹部分接合，以将后盖连接到轭的后端。

公开(公告)号：US5044212A

公开(公告)日：1991-09-03

申请号：US481077

申请日：1990-02-16

申请人： Shuzoo Isozumi ,  Keiichi Konishi

发明人： Shuzoo Isozumi ,  Keiichi Konishi

IPC分类号： F02N15/04 ,  F02N15/06

CPC分类号： F02N15/066 ,  F02N15/046 ,  Y10T403/48 ,  Y10T403/7039 ,  Y10T74/13 ,  Y10T74/131 ,  Y10T74/132 ,  Y10T74/134 ,  Y10T74/137

摘要： An engine starter comprising an electric motor having a hollow armature rotary shaft, a solenoid switch for energizing the electric motor and having a push rod extending into the hollow armatur rotary shaft, an output rotary shaft having a pinion disposed on a front end thereof, the output rotary shaft being axially slidable relative to the armature rotary shaft to move the pinion into and out of engagement with an engine ring gear. A clutch outer member of an over-running clutch unit is mounted on the output rotary shaft and is connected to the electric motor for being rotated thereby, and a clutch inner member driven by the clutch outer member through a plurality of rollers is provided with helical splines on its inner circumferential surface. In order to transmit a rotational force from the clutch inner member to the output rotary shaft through splines, a ring member having teeth on its outer circumference and in engagement with the helical splines of the clutch inner member, and a stopper for limiting axial movement of the ring member on the output rotary shaft beyond the stopper are disposed. The pinion may be integral with the output rotary shaft, and the output rotary shaft may be axially slidably and relatively rotatably supported within the hollow armature shaft through a bearing. The output rotary shaft may have a large-diameter portion having formed on its outer circumference outer helical splines which are in mesh with inner helical splines in the clutch inner member of the over-running clutch. Alternatively, the pinion may be snuggly fitted and secured to a small-diameter end portion of the output rotary shaft.

摘要翻译： 一种发动机起动器，包括具有中空电枢旋转轴的电动机，用于对电动机通电并具有延伸到中空臂旋转轴中的推杆的电磁开关，具有设置在其前端的小齿轮的输出旋转轴， 输出旋转轴相对于电枢旋转轴可轴向滑动以将小齿轮移动到与发动机环形齿轮接合的位置。 超跑离合器单元的离合器外部构件安装在输出旋转轴上并连接到电动马达以由此旋转，并且通过多个滚子由离合器外部构件驱动的离合器内部构件设置有螺旋 花键在其内圆周表面上。 为了通过花键将离合器内部构件的旋转力传递到输出旋转轴，具有在其外周上具有齿并与离合器内构件的螺旋花键接合的环构件和用于限制轴向运动的止动件 输出旋转轴上的超过止动件的环构件被设置。 小齿轮可以与输出旋转轴成一体，并且输出旋转轴可以通过轴承轴向可滑动并相对可旋转地支撑在空心电枢轴内。 输出旋转轴可以具有大直径部分，该直径部分在其外圆周上形成有与超跑离合器的离合器内部构件中的内螺旋花键啮合的外螺旋花键。 或者，小齿轮可以紧密地装配并固定到输出旋转轴的小直径端部。

公开(公告)号：US5036213A

公开(公告)日：1991-07-30

申请号：US481259

申请日：1990-02-20

申请人： Shuzoo Isozumi

发明人： Shuzoo Isozumi

IPC分类号： F02N11/00 ,  F02N15/04 ,  F02N15/06

CPC分类号： F02N15/066 ,  F02N15/046 ,  Y10T74/13 ,  Y10T74/131

摘要： The coaxial engine starter of the present invention comprises an electric motor having a rotary armature shaft and a yoke, a solenoid switch disposed behind the electric motor, an output rotary shaft disposed in front of the electric motor in an axially aligned relationship, and a planetary speed reduction gear disposed in front of and in axial alignment with the electric motor. The planetary speed reduction gear comprises a sun gear disposed on the motor armature shaft, a plurality of planetary gears disposed around the sun gear and an inner gear disposed around the planetary gears. The output rotary shaft has mounted thereon a pinion gear for engaging with an engine ring gear to be driven. The coaxial engine starter further comprises a front bracket assembly including a housing made of a resin material, the housing rotatably supporting the output rotary shaft and having integrally formed therein the inner gear of the planetary speed reduction gear, and a metallic mounting flange disposed around the housing for mounting the coaxial engine starter to the engine, the mounting flange being in direct electrical contact with the motor yoke.

摘要翻译： 本发明的同轴发动机起动器包括具有旋转电枢轴和磁轭的电动机，设置在电动机后面的电磁开关，以轴向对准的关系设置在电动机前面的输出旋转轴，以及行星 减速齿轮设置在与电动机的前方并与其对齐。 行星减速装置包括设置在电机电枢轴上的太阳齿轮，围绕太阳齿轮设置的多个行星齿轮和围绕行星齿轮设置的内齿轮。 输出旋转轴安装有用于与待驱动的发动机齿圈啮合的小齿轮。 同轴发动机起动器还包括前支架组件，其包括由树脂材料制成的壳体，所述壳体可旋转地支撑输出旋转轴并且在其中整体地形成有行星减速齿轮的内齿轮，以及金属安装凸缘， 用于将同轴发动机起动器安装到发动机的壳体，安装凸缘与电动机轭直接电接触。

公开(公告)号：US5032736A

公开(公告)日：1991-07-16

申请号：US424048

申请日：1989-10-19

申请人： Shuzoo Isozumi ,  Keiichi Konishi

发明人： Shuzoo Isozumi ,  Keiichi Konishi

IPC分类号： F02N11/00 ,  F02N15/06

CPC分类号： F02N15/066 ,  F02N11/00

摘要： A coaxial type starter device comprises, in axial alignment, an armature rotary shaft for a motor, a rotary output shaft with a pinion at its front end which is supported so as to be slidable in its axial direction, and an electromagnetic switch device attached to the rear end of the motor. Two windows are formed in the end wall of a rear bracket attached to the rear end of the yoke of the motor; two stationary contacts at the power source side and the brush side are arranged at the rear end portion of the motor and project inside of the electromagnetic switch device through the windows; an exciting coil is disposed in the electromagnetic switch device; and a cup-shaped plunger is slidably arranged in the electromagnetic switch device. A rod is axially movable with the plunger and supports movable contacts to be brought into engagement with the stationary contacts, and a cylindrical body is formed at the end wall of the rear bracket to surround the movable contacts. The cylindrical body is extended such that its free end overlaps with a part of the inner circumferential surface when the plunger is at the fully retracted position.