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21. 发明专利

JP2006144581A Lift adjusting device and lift adjusting method for valve train 有权
标题翻译：提升阀门调节装置和提升调压方法
公开(公告)号：JP2006144581A
公开(公告)日：2006-06-08
申请号：JP2004332623
申请日：2004-11-17
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： AKASAKA YUZO
IPC分类号： F01L13/00 , F01L1/18
CPC分类号： F01L13/0026 , F01L13/0021 , F01L2013/0073 , F01L2103/01 , Y10T74/2107
摘要： PROBLEM TO BE SOLVED: To reduce man-hours and working hours required for adjustment of the lift by adjusting the position of a connecting pin 22 and thereby to improve productivity. SOLUTION: A lift adjusting device has a plurality of links 16 to 18 linking a driving shaft 11 interlocked and rotated with a crankshaft having a valve cam 13 lifting intake and exhaust valves. The connecting pin 22 penetrates two links 16 and 18 and connects them to be relatively rotatable. The position of the connecting pin 22 is adjusted so as to adjust valve lift amounts of the intake and exhaust valves. The connecting pin 22 can be adjusted from a just one adjustment direction 34 by using predetermined adjusting tools 41, 42. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过调整连接销22的位置来减少调节升降所需的工时和工作时间，从而提高生产率。解决方案：升降机调节装置具有多个连杆16至18，其连接驱动轴11，该驱动轴11与具有提升进气和排气阀的阀凸轮13的曲轴互锁并旋转。连接销22穿过两个连杆16和18并将它们连接成可相对旋转的。调节连接销22的位置，以调节进气门和排气门的气门升程量。连接销22可以通过使用预定的调节工具41,42从仅仅一个调节方向34调节。版权所有：（C）2006，JPO＆NCIPI

22. 发明专利

JP2005351232A Control device for variable valve system 有权
标题翻译：可变阀系统的控制装置
公开(公告)号：JP2005351232A
公开(公告)日：2005-12-22
申请号：JP2004175062
申请日：2004-06-14
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： NOHARA TSUNEYASU , KAWAMURA KATSUHIKO , AKASAKA YUZO
IPC分类号： F01L1/18 , F01L1/46 , F01L13/00 , F02D41/04 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To accurately correct output value of a sensor detecting valve lift characteristics. SOLUTION: The control device for the variable valve system calculates first suction air quantity V1 from output value of an air flow meter S1, calculates second suction air quantity V2 from outputs of a pressure sensor in a suction collector detecting inside pressure of the suction collector and a throttle sensor detecting valve opening of the throttle valve S2, calculates third suction air quantity V3 from output of the pressure sensor in the suction collector, an engine rotation speed sensor and a control shaft sensor detecting valve lift characteristics of the suction valve, and compares the first to the third suction air quantity S4, S5 to correct output value of the control shaft sensor S7. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：精确校正传感器检测气门升程特性的输出值。解决方案：可变阀门系统的控制装置根据空气流量计S1的输出值计算第一吸入空气量V1，从检测内部压力的吸入收集器中的压力传感器的输出计算出第二吸入空气量V2 抽吸收集器和节流阀S2的节气门传感器检测阀开度，从抽吸收集器中的压力传感器的输出计算第三吸入空气量V3，发动机转速传感器和控制轴传感器检测吸入阀的气门升程特性并比较第一吸入空气量S4和第三吸入空气量S5，以校正控制轴传感器S7的输出值。版权所有（C）2006，JPO＆NCIPI

23. 发明专利

JP2005226543A Learning device for variable valve system 有权
标题翻译：可变阀系统的学习装置
公开(公告)号：JP2005226543A
公开(公告)日：2005-08-25
申请号：JP2004036128
申请日：2004-02-13
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： NOHARA TSUNEYASU , AKASAKA YUZO , KAWAMURA KATSUHIKO , MIURA SO , NISHII SATOSHI
IPC分类号： F01L13/00 , F01L1/34 , F02D13/00 , F02D13/02 , F02N11/08 , F16H53/06
CPC分类号： F01L13/0026 , F01L1/267 , F01L13/0021 , F01L2013/0073 , F01L2800/09 , F01L2800/14 , F01L2820/045 , F02D13/0226 , Y02T10/18
摘要： PROBLEM TO BE SOLVED: To well perform rotary drive of a control shaft to a reference position, when a sensor output reference value is learned/stored. SOLUTION: A variable valve system is operated in conjunction with rotation of a crankshaft, drives and opens/closes an intake valve or an exhaust valve, and changes a lift characteristic of the intake valve along with rotation of the control shaft. When an ignition switch is switched to OFF (S11), firstly fuel supply is stopped (S12), and then rotary drive of the control shaft is performed toward the reference position while the crankshaft still has been rotated. When the control shaft reaches the reference position, an output value Vn of the control sensor is stored/learned as a sensor output reference value Vn0 (S18). COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：当传感器输出参考值被学习/存储时，要很好地执行控制轴到基准位置的旋转驱动。解决方案：可变阀系统与曲轴的旋转一起操作，驱动并打开/关闭进气门或排气阀，并随着控制轴的旋转改变进气门的升程特性。当点火开关切换到OFF（S11）时，首先停止燃料供给（S12），然后在曲轴仍然旋转的同时对基准位置进行控制轴的旋转驱动。当控制轴到达基准位置时，存储/学习控制传感器的输出值Vn作为传感器输出基准值Vn0（S18）。版权所有（C）2005，JPO＆NCIPI

24. 发明专利

JP2005188285A Variable valve system of internal combustion engine, its lift adjusting device and lift adjusting method 审中-公开
标题翻译：内燃机可变阀系统及其提升装置和提升方法
公开(公告)号：JP2005188285A
公开(公告)日：2005-07-14
申请号：JP2003426621
申请日：2003-12-24
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： NOHARA TSUNEYASU , AKASAKA YUZO , TOMOGANE KAZUTO , TAKAGI YUSUKE , ISODA KAZUTAKA , ARIMA KAZUKI
IPC分类号： F01L1/18 , F01L3/24 , F01L13/00 , F02D13/02
摘要： PROBLEM TO BE SOLVED: To automate adjusting work of lift characteristics of a variable valve system 1 and to improve its precision.
SOLUTION: This internal combustion engine is furnished with the variable valve system 1 to vary the lift characteristics of intake valves of a plurality of cylinders in accordance with a change of a rotating position of a control shaft 12. The control shaft 12 is constituted by dividing itself into a plurality of control shaft divided bodies 21A, 21B in correspondence with each of the cylinders. The lift characteristics of each of the cylinders are adjusted by adjusting a rotating angle of each of the control shaft divided bodies 21A, 21B toward a standard value by rotating angle adjustment devices 25A, 25B in accordance with measured values of the lift characteristics by lift measurement devices 26A, 26B while rotating a driving shaft 2 by a driving shaft rotation device 27.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：自动调整可变气门系统1的升降特性的工作并提高其精度。解决方案：该内燃机配有可变气门系统1，以根据控制轴12的旋转位置的变化来改变多个气缸的进气门的升程特性。控制轴12是通过将其分成与每个气缸相对应的多个控制轴分隔体21A，21B构成。通过根据升程特性的测量值通过升程测量，通过旋转角度调节装置25A，25B将每个控制轴分割体21A，21B的旋转角度调整到标准值来调节每个气缸的升程特性装置26A，26B，同时通过驱动轴旋转装置27旋转驱动轴2. 版权所有（C）2005，JPO＆NCIPI

25. 发明专利

JP2004308568A Piston for internal combustion engine 审中-公开
公开(公告)号：JP2004308568A
公开(公告)日：2004-11-04
申请号：JP2003103856
申请日：2003-04-08
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： AKASAKA YUZO
IPC分类号： F02F3/00 , F16J9/00
摘要： PROBLEM TO BE SOLVED: To provide a piston for an internal combustion engine effectively reducing and eliminating both of deterioration of assemblability and interference of a piston ring and a ring groove bottom surface due to back clearance.
SOLUTION: A ring groove 16 in which the piston ring is fitted is provided on an outer circumference of the piston 10. The grove bottom surface 18 of the ring groove 16 is made in an ellipse shape having an major axis in a thrust-anti thrust direction F2.
COPYRIGHT: (C)2005,JPO&NCIPI

26. 发明专利

JP2003049616A Valve timing control device for internal combustion engine 审中-公开
标题翻译：用于内燃机的阀定时控制装置
公开(公告)号：JP2003049616A
公开(公告)日：2003-02-21
申请号：JP2001238669
申请日：2001-08-07
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： AKASAKA YUZO
IPC分类号： F01L1/34
CPC分类号： F01L2001/34479
摘要： PROBLEM TO BE SOLVED: To smoothly release a lock after the starting and to prevent a vane 5 from being enlarged for the sake of a lock pin.
SOLUTION: This valve timing control device is composed of a disc-shaped housing rotated in synchronization with a crank shaft, and a rotor 2 fixed to a cam shaft. The vane 5 extended in the radial direction of a rotor 2 is engaged in a recessed part inside of the housing 1, and a timing advance-side hydraulic chamber and a timing retard-side hydraulic chamber are defined at both sides of the vane 5. A tip part of the vane 5 is provided with an apex seal 11 for sealing a part between both hydraulic chambers with a seal spring 13. At the most retardant position of the rotor 2, the apex seal 11 is pressed to a plunger 19 and engaged with a lock hole 18. When the oil pressure supplied to a hydraulic port 23 becomes high after starting, the lock is released. Since both hydraulic chambers are communicated at that time by a channel 22 around a plunger 19, the rotor 2 is not energized in the rotating direction and smoothly released.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了在起动之后平稳地释放锁定，并且为了锁定销而防止叶片5扩大。解决方案：该气门正时控制装置由与曲轴同步旋转的盘形壳体和固定在凸轮轴上的转子2组成。在转子2的径向上延伸的叶片5与壳体1内的凹部卡合，在叶片5的两侧形成有定时提前侧液压室和定时延迟侧液压室。叶片5的尖端部分设置有用密封弹簧13在两个液压室之间密封一部分的顶点密封11.在转子2的最阻挡位置，顶点密封件11被压到柱塞19上，具有锁定孔18.当启动后供给到液压口23的油压变高时，锁定被解除。由于两个液压室通过通道22在柱塞19周围连通，所以转子2不沿旋转方向通电并且平稳地释放。

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