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1. 发明授权

US09020723B2 Driving force distribution controller and four-wheel drive vehicle 有权
标题翻译：驱动力分配控制器和四轮驱动车辆
公开(公告)号：US09020723B2
公开(公告)日：2015-04-28
申请号：US14008803
申请日：2012-03-19
申请人： Ryohei Shigeta , Akiyoshi Kakita , Masaki Mita , Akira Kodama , Yasushi Yagi
发明人： Ryohei Shigeta , Akiyoshi Kakita , Masaki Mita , Akira Kodama , Yasushi Yagi
IPC分类号： G06F7/00 , G06F17/00 , G06F19/00 , B60K17/348 , B60K17/35 , B60K23/08 , B60W30/18
CPC分类号： B60K17/348 , B60K17/35 , B60K23/0808 , B60W30/18 , B60W2510/0638 , B60W2520/10 , B60W2520/263 , B60W2720/403
摘要： A driving force distribution controller comprises: a control device determining the value of torque which must be transmitted to a rear wheel; and a driving force transmission device transmitting torque corresponding to the torque value determined by the control device to the rear wheel. The control device reduces a torque value calculated based on an opening degree of an accelerator and a rotational speed difference when the rotational speed of an engine is lower than a first threshold value but higher than a second threshold value.
摘要翻译：驱动力分配控制器包括：控制装置，其确定必须传递到后轮的扭矩值; 以及驱动力传递装置，其将与由所述控制装置确定的扭矩值相对应的转矩传递到所述后轮。当发动机的转速低于第一阈值但高于第二阈值时，控制装置减少基于加速器的开度计算出的转矩值和转速差。

2. 发明申请

US20140129105A1 DRIVING FORCE DISTRIBUTION CONTROLLER AND FOUR-WHEEL DRIVE VEHICLE 有权
标题翻译：驱动力分配控制器和四轮驱动车辆
公开(公告)号：US20140129105A1
公开(公告)日：2014-05-08
申请号：US14008803
申请日：2012-03-19
申请人： Ryohei Shigeta , Akiyoshi Kakita , Masaki Mita , Akira Kodama , Yasushi Yagi
发明人： Ryohei Shigeta , Akiyoshi Kakita , Masaki Mita , Akira Kodama , Yasushi Yagi
IPC分类号： B60K17/348
CPC分类号： B60K17/348 , B60K17/35 , B60K23/0808 , B60W30/18 , B60W2510/0638 , B60W2520/10 , B60W2520/263 , B60W2720/403
摘要： A driving force distribution controller comprises: a control device determining the value of torque which must be transmitted to a rear wheel; and a driving force transmission device transmitting torque corresponding to the torque value determined by the control device to the rear wheel. The control device reduces a torque value calculated based on an opening degree of an accelerator and a rotational speed difference when the rotational speed of an engine is lower than a first threshold value but higher than a second threshold value.
摘要翻译：驱动力分配控制器包括：控制装置，其确定必须传递到后轮的扭矩值; 以及驱动力传递装置，其将与由所述控制装置确定的扭矩值相对应的转矩传递到所述后轮。当发动机的转速低于第一阈值但高于第二阈值时，控制装置减少基于加速器的开度计算出的转矩值和转速差。

3. 发明授权

US08412429B2 Driving power distribution apparatus and method for controlling torque coupling 有权
标题翻译：驱动配电装置及其控制方法
公开(公告)号：US08412429B2
公开(公告)日：2013-04-02
申请号：US12603867
申请日：2009-10-22
申请人： Masaki Mita , Ryohei Shigeta , Tomoaki Kato
发明人： Masaki Mita , Ryohei Shigeta , Tomoaki Kato
IPC分类号： B60W10/12 , B60W10/02 , G06F17/00
CPC分类号： F16D48/06 , B60K17/35 , F16D2500/10431 , F16D2500/30404 , F16D2500/3065 , F16D2500/30803 , F16D2500/3107 , F16D2500/3109 , F16D2500/50296 , F16D2500/7044 , Y10T477/6395 , Y10T477/6418 , Y10T477/75
摘要： A vehicle 1 has a torque coupling 8, which is located in a driving power transmission system for transmitting the torque of an engine 2 to front and rear wheels 13f, 13r. The torque coupling 8 changes the torque distribution by adjusting the frictional engaging force of an electromagnetic clutch 16. The vehicle 1 also has a 4WD ECU 21 (CPU), which controls the operation of the torque coupling 8 based on the driving state. The 4WD ECU 21 (CPU) estimates a transfer case oil temperature Tptu. When the transfer case oil temperature Tptu is higher than or equal to a first predetermined transfer case oil temperature KTptu1, the 4WD ECU 21 executes overheat prevention control. When the deviation ΔA between an estimated vehicle acceleration Ae, which is computed based on a predetermined vehicle weight M and a driveline torque τd of the engine 2, and the actual vehicle acceleration Av is greater than or equal to a first predetermined deviation KΔA1, the 4WD ECU 21 (CPU) estimates the transfer case oil temperature Tptu to be higher. This allows the control mode of the torque coupling 8 to be smoothly switched to the overheat prevention control.
摘要翻译：车辆1具有扭矩联接器8，该联接器8位于用于将发动机2的扭矩传递到前轮13f和后轮13r的驱动动力传动系统中。转矩联轴器8通过调节电磁离合器16的摩擦接合力而改变扭矩分配。车辆1还具有4WD ECU 21（CPU），其基于驾驶状态来控制扭矩联接器8的操作。 4WD ECU 21（CPU）估计转运箱油温Tptu。当转印箱油温Tptu高于或等于第一预定转印箱油温KTptu1时，4WD ECU21执行过热防止控制。当基于预定车辆重量M计算的估计车辆加速度Ae和发动机2的传动系扭矩τd与实际车辆速度Av之间的偏差＆Dgr; A大于或等于第一预定偏差K＆Dgr ; A1，4WD ECU21（CPU）将传送箱油温Tptu估计为较高。由此，能够将转矩联轴器8的控制模式平滑地切换到过热防止控制。

4. 发明申请

US20110167944A1 DRIVING FORCE TRANSMISSION APPARATUS AND CONTROL METHOD THEREFOR 审中-公开
标题翻译：驱动力传动装置及其控制方法
公开(公告)号：US20110167944A1
公开(公告)日：2011-07-14
申请号：US13006116
申请日：2011-01-13
申请人： Koudi YOSHINAMI , Toshifumi Sakai , Akihiro Ohno , Hiroshi Takuno , Masahiro Horaguchi , Masaki Mita , Ryohei Shigeta
发明人： Koudi YOSHINAMI , Toshifumi Sakai , Akihiro Ohno , Hiroshi Takuno , Masahiro Horaguchi , Masaki Mita , Ryohei Shigeta
IPC分类号： F16H59/00
CPC分类号： B60K23/08 , B60K17/34 , B60K23/0808 , B60W30/20 , B60W2510/0241 , B60W2510/0275 , B60W2510/104 , B60Y2400/428 , F16H61/04 , Y10T74/20018
摘要： A driving force transmission apparatus includes: a driving force transmission shaft receiving driving force of a driving source from a rotating member and transmitting the driving force from a main driving wheel side to an auxiliary driving wheel side; a first driving force interruption unit connects/disconnects the driving force transmission shaft to/from the rotating member; a second driving force interruption unit connects/disconnects the driving force transmission shaft to/from at least one of two auxiliary driving wheels so that transmitted torque is variable; and a control unit controls connection and disconnection of the first and second driving force interruption units. The control unit causes the second driving force interruption unit to connect/disconnect the driving force transmission shaft to/from the at least one of the auxiliary driving wheels before causing the first driving force interruption unit to connect/disconnect the driving force transmission shaft to/from the rotating member.
摘要翻译：驱动力传递装置包括：驱动力传递轴，其从旋转构件接收驱动源的驱动力，并将驱动力从主驱动轮侧传递到辅助驱动轮侧; 第一驱动力中断单元将驱动力传递轴与旋转构件连接/断开; 第二驱动力中断单元将驱动力传递轴与两个辅助驱动轮中的至少一个连接/断开，使得传递的扭矩是可变的; 并且控制单元控制第一和第二驱动力中断单元的连接和断开。控制单元使得第二驱动力中断单元在使第一驱动力中断单元将驱动力传递轴连接/断开之前连接/断开至少一个辅助驱动轮的驱动力传递轴，从旋转构件。

5. 发明申请

US20100164333A1 MOTOR WITH SPEED REDUCTION MECHANISM 有权
标题翻译：具有减速机构的电动机
公开(公告)号：US20100164333A1
公开(公告)日：2010-07-01
申请号：US12645699
申请日：2009-12-23
申请人： Hiroyuki Uchimura , Hiroyuki Shibusawa , Masaki Mita
发明人： Hiroyuki Uchimura , Hiroyuki Shibusawa , Masaki Mita
IPC分类号： H02K11/00
CPC分类号： H02K7/1166 , H02K5/143 , H02K11/215
摘要： Detecting a rotation state of a worm wheel side with good accuracy while allowing play between an armature-shaft-side coupling member and a worm-shaft-side coupling member. The armature-shaft-side coupling member is provided together rotatably to the other end of an armature shaft; the worm-shaft-side coupling member is provided together rotatably to one end of a worm shaft; the armature-shaft-side coupling member and the worm-shaft-side coupling member are coupled together rotatably; and a sensor magnet is provided together rotatably to the worm-shaft-side coupling member. Therefore, the rotation state of the worm shaft can be detected with good accuracy. Even if the play is provided between the armature-shaft-side coupling member and the worm-shaft-side coupling member, this play does not affect the accuracy of detection of the rotation state of the worm shaft, thereby bringing no problem regarding accuracy of detection of a rotation state of a worm wheel side.
摘要翻译：以良好的精度检测蜗轮侧的旋转状态，同时允许电枢 - 轴侧联接构件和蜗杆 - 轴侧联接构件之间的间隙。电枢轴侧联接构件一起可旋转地设置在电枢轴的另一端; 蜗杆轴联接构件可旋转地设置在蜗杆轴的一端; 电枢轴侧联接构件和蜗杆 - 轴侧联接构件可旋转地联接在一起; 并且传感器磁体可旋转地设置在蜗杆轴侧联接构件上。因此，可以高精度地检测蜗杆轴的旋转状态。即使在电枢轴侧联接构件和蜗杆 - 轴侧联接构件之间设置游隙，该游隙也不影响蜗杆轴的旋转状态的检测精度，因此不会产生关于检测蜗轮侧的旋转状态。

6. 发明授权

US08825324B2 Four-wheel-drive vehicle and control unit 有权
标题翻译：四轮驱动车辆和控制单元
公开(公告)号：US08825324B2
公开(公告)日：2014-09-02
申请号：US13824086
申请日：2011-09-02
申请人： Masahiro Horaguchi , Akihiro Ohno , Masaki Mita
发明人： Masahiro Horaguchi , Akihiro Ohno , Masaki Mita
IPC分类号： B60W10/02 , B60K17/344 , B60K17/35 , B60K17/346 , B60K17/34 , B60K17/348 , B60K23/08
CPC分类号： B60K23/0808 , B60K17/34 , B60K17/344 , B60K17/346 , B60K17/348 , B60K17/35 , B60K17/3515 , B60W2520/26 , B60W2520/263 , B60W2550/148
摘要： A four-wheel-drive vehicle includes: a drive source which generates torque forming a driving force of the vehicle; a driving force transmission system which transmits the torque of the drive source to main driven wheels and auxiliary driven wheels; and a dog clutch provided in the driving force transmission system and capable of transmitting the torque to an auxiliary driven wheel side by engagement of a recess portion and a protruding portion. The vehicle further includes: a determination unit which determines whether a friction coefficient of a road surface is lower than a predetermined value based on an index value relating to the friction coefficient of the road surface; and a control unit which generates a control signal which causes engagement of the dog clutch before the vehicle starts when the determination unit determines that the friction coefficient of the road surface is lower than the predetermined value.
摘要翻译：四轮驱动车辆包括：驱动源，其产生形成车辆的驱动力的扭矩; 驱动力传递系统，其将驱动源的扭矩传递到主从动轮和辅助从动轮; 以及设置在驱动力传递系统中并且能够通过凹部和突出部的接合而将扭矩传递到辅助从动轮侧的爪式离合器。车辆还包括：确定单元，其基于与路面的摩擦系数相关的指标值来确定路面的摩擦系数是否低于预定值; 以及控制单元，当所述确定单元确定所述路面的摩擦系数低于所述预定值时，产生控制信号，所述控制信号使得所述狗离合器在车辆开始之前的接合。

7. 发明申请

US20130220073A1 MOTOR APPARATUS AND MANUFACTURING METHOD THEREOF 有权
标题翻译：电机装置及其制造方法
公开(公告)号：US20130220073A1
公开(公告)日：2013-08-29
申请号：US13824249
申请日：2011-08-22
申请人： Masashi Suto , Yuichi Takamura , Masaki Mita , Hiroyuki Uchimura , Isao Abe , Makoto Ogiwara , Naruhito Ogino , Yukio Okada , Junichi Sekiguchi
发明人： Masashi Suto , Yuichi Takamura , Masaki Mita , Hiroyuki Uchimura , Isao Abe , Makoto Ogiwara , Naruhito Ogino , Yukio Okada , Junichi Sekiguchi
IPC分类号： F16H57/029 , B29C70/00
CPC分类号： F16H57/029 , B29C70/00 , F16H1/16 , F16H57/031 , F16H57/039 , F16H2057/02082 , H02K5/10 , H02K7/1166 , Y10T74/2186
摘要： A seal member is attached to a cover which occludes a gear case as a housing unit. The seal member is formed of elastomer and integrally formed with: a plate-shaped portion formed into a disc shape which covers the inner surface of the cover; an inner seal portion which is positioned on the inner peripheral edge of a through-hole, and comes into sliding contact with the outer peripheral surface of an output member; an outer seal portion which is positioned on the periphery of the cover, and comes into contact with the opening end of the housing unit; and anchor portions which latch onto the front surface of the cover via mounting holes provided to the cover. The boundary between the seal member and the cover extends only to the outside of the gear case, and does not extend to the inside of the gear case.
摘要翻译：密封构件附接到封闭作为壳体单元的齿轮箱的盖。密封部件由弹性体形成，一体地形成有：形成为覆盖盖的内表面的盘状的板状部分; 内密封部，其位于通孔的内周缘部，与输出部件的外周面滑动接触; 外密封部，其位于所述盖的周围，并与所述壳体单元的开口端接触; 以及通过设置在所述盖上的安装孔将所述固定部分锁定在所述盖的前表面上。密封构件和盖之间的边界仅延伸到齿轮箱的外部，并且不延伸到齿轮箱的内部。

8. 发明授权

US08229640B2 Drive force transmission apparatus, control method of drive force transmission apparatus, and limited slip differential 有权
标题翻译：驱动力传递装置，驱动力传动装置的控制方法和限滑差速器
公开(公告)号：US08229640B2
公开(公告)日：2012-07-24
申请号：US12408851
申请日：2009-03-23
申请人： Ryouhei Shigeta , Akihiro Ohno , Hiroyuki Ando , Masaki Mita , Tomohiro Nozu
发明人： Ryouhei Shigeta , Akihiro Ohno , Hiroyuki Ando , Masaki Mita , Tomohiro Nozu
IPC分类号： B60T8/24 , G05D3/00
CPC分类号： B60K23/0808
摘要： When determining that a vehicle is not skidding, the ECU carries out tight corner control if vehicle speed is smaller than the upper limit value of the vehicle speed range corresponding to the starting state of the vehicle and the steering wheel turning angle of a steering wheel is greater than or equal to the minimum value of the steering wheel turning angle at which the tight corner braking phenomenon may occur. When determining that the vehicle is skidding, the ECU inhibits the tight corner control even if the vehicle speed is smaller than the upper limit value and the steering wheel turning angle is greater than or equal to the minimum value of the steering wheel turning angle at which the tight corner braking phenomenon may occur.
摘要翻译：当判定车辆不滑动时，如果车速小于对应于车辆的起始状态的车速范围的上限值，则ECU执行紧密转角控制，并且方向盘的方向盘转向角度为大于或等于可能发生紧密拐角制动现象的方向盘转向角度的最小值。当确定车辆打滑时，即使车速小于上限值，并且方向盘转动角度大于或等于方向盘转向角度的最小值，ECU也可以抑制紧密的转角控制可能会发生紧密的拐角制动现象。

9. 发明授权

US08193668B2 Motor with speed reduction mechanism capable of absorbing axial deviation between armature shaft and worm shaft 有权
标题翻译：带减速机构的电机能够吸收电枢轴和蜗杆轴之间的轴向偏差
公开(公告)号：US08193668B2
公开(公告)日：2012-06-05
申请号：US12645699
申请日：2009-12-23
申请人： Hiroyuki Uchimura , Hiroyuki Shibusawa , Masaki Mita
发明人： Hiroyuki Uchimura , Hiroyuki Shibusawa , Masaki Mita
IPC分类号： H02K23/66 , H02K7/10
CPC分类号： H02K7/1166 , H02K5/143 , H02K11/215
摘要： Detecting a rotation state of a worm wheel side with good accuracy while allowing play between an armature-shaft-side coupling member and a worm-shaft-side coupling member. The armature-shaft-side coupling member is provided together rotatably to the other end of an armature shaft; the worm-shaft-side coupling member is provided together rotatably to one end of a worm shaft; the armature-shaft-side coupling member and the worm-shaft-side coupling member are coupled together rotatably; and a sensor magnet is provided together rotatably to the worm-shaft-side coupling member. Therefore, the rotation state of the worm shaft can be detected with good accuracy. Even if the play is provided between the armature-shaft-side coupling member and the worm-shaft-side coupling member, this play does not affect the accuracy of detection of the rotation state of the worm shaft, thereby bringing no problem regarding accuracy of detection of a rotation state of a worm wheel side.
摘要翻译：以良好的精度检测蜗轮侧的旋转状态，同时允许电枢 - 轴侧联接构件和蜗杆 - 轴侧联接构件之间的间隙。电枢轴侧联接构件一起可旋转地设置在电枢轴的另一端; 蜗杆轴联接构件可旋转地设置在蜗杆轴的一端; 电枢轴侧联接构件和蜗杆 - 轴侧联接构件可旋转地联接在一起; 并且传感器磁体可旋转地设置在蜗杆轴侧联接构件上。因此，可以高精度地检测蜗杆轴的旋转状态。即使在电枢轴侧联接构件和蜗杆 - 轴侧联接构件之间设置游隙，该游隙也不影响蜗杆轴的旋转状态的检测精度，因此不会产生关于检测蜗轮侧的旋转状态。

10. 发明授权

US5873786A Speed reducer with shock absorbing mechanism 失效
标题翻译：减速机具有减震机构
公开(公告)号：US5873786A
公开(公告)日：1999-02-23
申请号：US856993
申请日：1997-05-15
申请人： Osamu Hosoya , Masaki Mita
发明人： Osamu Hosoya , Masaki Mita
IPC分类号： F16F7/00 , F16H55/14 , F16D3/50
CPC分类号： F16H55/14 , F16F7/00
摘要： A speed reducer is provided with a shock absorbing rubber damper disposed in a power transmission path from a first wheel to which a driving force of a motor is input to a second wheel from which the power is output. First projecting portions 3e and auxiliary projecting portions 3f are provided on a first wheel. Second projecting portions 5b are provided on a second wheel 5. The projecting portions are disposed together in intervals T defined between segmented rubber dampers 6. Receiver plates 7, 8 are attached to the end surfaces 6a, 6b of the rubber dampers 6 and serve as load bearing surfaces confronting the projections 3e, 3f and 5b so as to approximately distribute the loads over the entire end surfaces. Two receiver plates 7, 8 disposed across the end surfaces 6a, 6b can be arranged as an integral receiver plate unit U. With this arrangement, a shock absorbing capability is enhanced as well as the number of parts can be reduced.
摘要翻译：减速机设置有减震橡胶缓冲器，其设置在从第一车轮的动力传递路径中，电动机的驱动力被输入到输出功率的第二车轮。第一突出部3e和辅助突出部3f设置在第一轮上。第二突出部分5b设置在第二轮5上。突出部分以限定在分段的橡胶阻尼器6之间的间隔T布置在一起。接收板7,8附接到橡胶阻尼器6的端面6a，6b，并用作面对突起3e，3f和5b的承载表面，以便将负载大致分布在整个端面上。横跨端面6a，6b设置的两个接收板7,8可以被布置为整体的接收板单元U.通过这种布置，增强了减震能力，并且可以减少部件的数量。

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