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51. 发明授权

US4617840A System for controlling a power transmission of a four-wheel drive vehicle 失效
标题翻译：用于控制四轮驱动车辆的动力传递的系统
公开(公告)号：US4617840A
公开(公告)日：1986-10-21
申请号：US561717
申请日：1983-12-15
申请人： Toru Yamakawa , Fujio Makita , Mitsuo Umezawa , Ryuzo Sakakiyama
发明人： Toru Yamakawa , Fujio Makita , Mitsuo Umezawa , Ryuzo Sakakiyama
IPC分类号： B60K23/08 , B60K41/02
CPC分类号： B60K23/08 , Y10T477/613 , Y10T477/647 , Y10T477/691 , Y10T74/19079
摘要： A system for controlling power transmission of a four-wheel drive vehicle powered by an engine. The vehicle is provided with a transmission for transmitting a power of the engine to main wheels and a clutch for selectively transmitting the power to auxiliary wheels. In order to detect sudden braking of the vehicle, a vehicle speed sensor and a control circuit for detecting deceleration of the vehicle greater than a predetermined value are provided, the control circuit producing an output signal. A switch is provided responsive to the output signal for engaging the clutch, whereby the four-wheel driving power transmission is established.
摘要翻译：用于控制由发动机驱动的四轮驱动车辆的动力传递的系统。车辆设置有用于将发动机的动力传递到主轮的变速器和用于选择性地将动力传递到辅助轮的离合器。为了检测车辆的突然制动，提供车速传感器和用于检测大于预定值的车辆减速度的控制电路，该控制电路产生输出信号。响应于用于接合离合器的输出信号提供开关，从而建立四轮驱动动力传递。

52. 发明授权

US4586583A System for controlling a power transmission of a four-wheel drive vehicle 失效
标题翻译：用于控制四轮驱动车辆的动力传递的系统
公开(公告)号：US4586583A
公开(公告)日：1986-05-06
申请号：US651545
申请日：1984-09-17
申请人： Toru Yamakawa , Fujio Makita , Mitsuo Umezawa , Ryuzo Sakakiyama
发明人： Toru Yamakawa , Fujio Makita , Mitsuo Umezawa , Ryuzo Sakakiyama
IPC分类号： B60K23/08
CPC分类号： B60K23/08 , B60W2540/16
摘要： A system for controlling a power transmission of a four-wheel drive vehicle powered by an engine has a transmission for transmitting the power of the engine to main driving wheels of the four-wheel drive vehicle, and a clutch for transmitting the power to auxiliary driving wheels. A hydraulic circuit and a solenoid operated valve are provided for operating the clutch.First sensors are provided for detecting the speed of the main and auxiliary driving wheels, respectively, and second sensors are provided for detecting depression of an accelerator pedal and depression of a brake pedal of the vehicle respectively. When a large difference between the speed of the wheels is detected, the clutch is engaged, and when a large acceleration and large deceleration dependent on the output of the first sensors are detected, the clutch is engaged for establishing the four-wheel drive.
摘要翻译：用于控制由发动机供电的四轮驱动车辆的动力传递的系统具有用于将发动机的动力传递到四轮驱动车辆的主驱动轮的变速器，以及用于将动力传递到辅助驾驶的离合器车轮。设有液压回路和电磁阀，用于操作离合器。第一传感器分别用于检测主驱动轮和辅助驱动轮的速度，第二传感器分别用于检测加速踏板的下压和车辆的制动踏板的下压。当检测到车轮的速度之间的大的差异时，离合器接合，并且当检测到依赖于第一传感器的输出的大的加速度和大的减速度时，离合器接合以建立四轮驱动。

53. 发明授权

US4484672A System for controlling an electro-magnetic clutch for automobiles 失效
标题翻译：用于控制汽车用电磁离合器的系统
公开(公告)号：US4484672A
公开(公告)日：1984-11-27
申请号：US263319
申请日：1981-05-11
申请人： Toshio Takano , Ryuzo Sakakiyama
发明人： Toshio Takano , Ryuzo Sakakiyama
IPC分类号： F16D37/02 , F16D48/06 , F16H59/02 , B60K41/22
CPC分类号： F16D37/02 , F16D48/064 , F16D48/068 , F16D2037/001 , F16D2037/002 , F16D2500/1022 , F16D2500/10412 , F16D2500/30806 , F16D2500/30808 , F16D2500/31466 , F16D2500/525 , F16D2500/70418 , F16H59/0217
摘要： A system for controlling an electro-magnetic clutch of an internal combustion engine mounted on a vehicle, which is capable of eliminating residual magnetism during operation of a shift lever of a transmission. The electro-magnetic clutch has a drive member secured to a crankshaft of the internal combustion engine, a magnetizing coil provided in the drive member and a driven member adjacent said drive member. A neutral switch is provided for detecting when the shift lever is in a neutral position and a shift lever switch is provided for producing a signal during operation of the shift lever for the transmission. Both signals of the neutral switch and the shift lever switch are fed to a control circuit. The control circuit is so arranged that the current flowing through the magnetizing coil is inverted in dependency on the output signals of the neutral switch and shift lever switch, so that the residual magnetism in the clutch may be eliminated.
摘要翻译：一种用于控制安装在车辆上的内燃机的电磁离合器的系统，其能够在变速器的变速杆的操作期间消除残余磁力。电磁离合器具有固定在内燃机的曲轴上的驱动构件，设置在驱动构件中的磁化线圈和与驱动构件相邻的从动构件。提供了一个中性开关，用于检测变速杆何时处于中立位置，并且设有变速杆开关用于在用于变速器的换档杆的操作期间产生信号。中性开关和换档杆开关的两个信号都被馈送到控制电路。控制电路被布置为使得流过磁化线圈的电流依赖于中性开关和变速杆开关的输出信号而反转，从而可以消除离合器中的剩余磁力。

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