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1. 发明专利

JP2005039990A Piezoactuator drive circuit 审中-公开
标题翻译： PIEZOACTUATOR驱动电路
公开(公告)号：JP2005039990A
公开(公告)日：2005-02-10
申请号：JP2004123718
申请日：2004-04-20
申请人： Denso Corp , Nippon Soken Inc , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： FUKAGAWA YASUHIRO , SAKAKIBARA YASUYUKI , TAKEMOTO HIDETSUGU
IPC分类号： F02M51/00 , F02D41/20 , F02D45/00 , F02M51/06 , H01L41/04 , H02N2/00 , H02N2/06
CPC分类号： F02D41/2096 , F02D2041/2051 , F02D2041/2058 , H02N2/067
摘要： PROBLEM TO BE SOLVED: To reduce variation in behavior of a piezoactuator, i.e. elongation through charge or contraction through discharge, by making charge/discharge process of the actuator uniform. SOLUTION: The piezoactuator drive circuit comprises means 4a and 4b for regulating currents flowing through the conduction passages 31 and 32 between a capacitor 12 and a piezoactuator 2 as a source or destination of supply, a means 5 for detecting drive power of the piezoactuator 2, a means 6 for outputting a target drive power preset in correspondence with each moment in time, and a charge/discharge control means 7 for controlling the regulating means 4a and 4b such that a target drive power is detected. Consequently, charging process and discharging process of the piezoactuator 2 are made uniform. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过使致动器的充电/放电过程均匀，来减少压电致动器的行为变化，即通过放电进行充电或收缩的伸长。压电致动器驱动电路包括用于调节流过作为电源或目的地的电容器12和压电致动器2之间的导电通道31和32的电流的装置4a和4b，用于检测电源压电致动器2，用于输出对应于每个时刻预先设定的目标驱动功率的装置6以及用于控制调节装置4a和4b以使得检测到目标驱动功率的充放电控制装置7。因此，使压电致动器2的充电过程和放电过程均匀。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2004282988A Piezoelectric-actuator drive circuit 有权
公开(公告)号：JP2004282988A
公开(公告)日：2004-10-07
申请号：JP2003410907
申请日：2003-12-09
申请人： Denso Corp , Nippon Soken Inc , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： FUKAGAWA YASUHIRO , SAKAKIBARA YASUYUKI , TAKEMOTO HIDETSUGU
IPC分类号： F02M51/00 , F02D41/20 , F02M51/06 , H01L41/04 , H01L41/083 , H02N2/00 , H02N2/06
CPC分类号： H01L41/042 , F02D41/2096
摘要： PROBLEM TO BE SOLVED: To provide a piezoelectric-actuator drive circuit capable of controlling a piezoelectric-stack with high precision irrespective of fluctuation in quality between individual elements or the like. SOLUTION: This drive circuit is provided with charging means 12a, 12b that charge a piezoelectric-stack that is driven by charging and discharging within a prescribed charging period Tt, an operation means 19a that calculates volume of charge that is charged by the charging means 12a, 12b during a prescribed charging period Tt, and a drive controlling means 19 that compares the volume of charge calculated by the operation means 19a with the target volume of charge and corrects the volume of charge in the next charging process according to the difference. The volume of charge calculated by the operation means 19a is preferred to be charge energy that is obtained by measuring a charging current and a charging voltage that flow into the piezoelectric-stack 7 during the charging process, and by integrating the product of the measured charging current and charging voltage over time. COPYRIGHT: (C)2005,JPO&NCIPI

3. 发明专利

JP2006233957A Valve control device 有权
标题翻译：阀门控制装置
公开(公告)号：JP2006233957A
公开(公告)日：2006-09-07
申请号：JP2005314252
申请日：2005-10-28
申请人： Denso Corp , Nippon Soken Inc , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： TAKEMOTO HIDETSUGU , KATSUNO MURAHITO , FUJITA TATSUYA , NANBA KUNIO , NAKAYAMA YOSHINORI
IPC分类号： F02D9/02 , F02D11/10 , F02M25/07
CPC分类号： F02D41/0055 , F02D11/10 , F02M26/49 , F02M26/50 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To reduce uncomfortable feeling of noise at a time of removal of deposit on a flow passage wall in a valve control device arranged in the flow passage for intake and exhaust of an engine. SOLUTION: A period suitable for removal of deposit, namely a period when influence of valve opening fluctuation is extremely small in relation to an operation condition of the engine is, for example, a period when engine speed is low and engine noise is low like a time of engine stop and noise accompanying deposit removal is easily heard by an occupant. Accordingly, valve opening change rate at a time of deposit removal, namely slope from plus side maximum opening toward minus side maximum opening (or from the minus side maximum opening toward the plus side maximum opening) is corrected according to engine speed. Consequently, at a time of low engine speed when noise accompanying deposit removal is conspicuous, valve opening change rate is kept small to reduce noise accompanying deposit removal and to ease uncomfortable feeling of the occupant. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了减少在布置在用于进气和排气的流动通道中的阀控制装置中的流路壁上的沉积物的沉积时的不舒服的感觉。解决方案：适用于去除沉积物的时间，即相对于发动机的操作条件，阀门开度变动的影响极小的时间段，例如是发动机转速低，发动机噪音为较低的发动机停止时间和伴随存放物的噪音容易被乘客听到。因此，根据发动机转速来校正卸料时的阀开度变化率，即从正侧最大开度向负侧最大开度（或从负侧最大开度朝向正侧最大开度）的斜率。因此，当伴随着沉积物去除的噪声显着时，发动机转速低时，阀开启变化率保持较小，以减少伴随沉积物去除的噪音，并且减轻乘员的不适感。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2005016431A Piezo actuator driving circuit 有权
标题翻译： PIEZO执行器驱动电路
公开(公告)号：JP2005016431A
公开(公告)日：2005-01-20
申请号：JP2003182997
申请日：2003-06-26
申请人： Denso Corp , Nippon Soken Inc , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： FUKAGAWA YASUHIRO , SAKAKIBARA YASUYUKI , MORITSUGU MICHIYASU , TAKEMOTO HIDETSUGU
IPC分类号： F02M51/00 , F02D41/20 , F02D41/38 , H01L41/04 , H01L41/09 , H02N2/06
CPC分类号： H02N2/067 , F02D41/2096
摘要： PROBLEM TO BE SOLVED: To provide a piezo actuator driving circuit excellent in controllability on charge energy.
SOLUTION: The piezo actuator driving circuit comprises a power carrying path 31 for charging a piezo actuator 2 via an inductor 301 and a switch 4a from a capacitor 12 during the time when the switch 4a is turned on, a second power carrying path 32 for charging the piezo actuator 2 via the inductor 301 by bypassing the switch 4a and the capacitor 12 during the time when the switch 4a is turned off, a current detecting means 51 for detecting a current flowing from the capacitor 12 through part of the power carrying path 31 not shared with the power carrying path 32, and a switch control means 7 for controlling the switch 4a to regulate a detected current value to a target value during a specified charging period so that a sufficient current is supplied during an ON time even if the increasing speed of the current becomes low due to a deterioration in the capacity of the piezo actuator. Energy can be easily and accurately regulated by detecting the amount of discharge on a capacitor 12 side having a small voltage fluctuation.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种在电荷能量方面具有优异的控制性的压电致动器驱动电路。解决方案：压电致动器驱动电路包括用于在开关4a导通的时间期间经由电感器301和来自电容器12的开关4a对压电致动器2充电的供电路径31，第二供电路径 32，用于在开关4a断开时通过旁路开关4a和电容器12经由电感器301对压电致动器2充电;电流检测装置51，用于检测从电容器12流过电力部分的电流承载路径31不与供电路径32共用的开关控制装置7，以及用于控制开关4a在指定的充电周期内将检测到的电流值调节到目标值的开关控制装置7，使得在接通时间期间甚至提供足够的电流如果由于压电致动器的容量的劣化，电流的增加速度变低。通过检测具有小电压波动的电容器12侧的放电量，能够容易且准确地调节能量。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2011032929A Low-pressure egr apparatus 有权
标题翻译：低压EGR装置
公开(公告)号：JP2011032929A
公开(公告)日：2011-02-17
申请号：JP2009179537
申请日：2009-07-31
申请人： Denso Corp , 株式会社デンソー
发明人： MIYAZAKI SHINSUKE , FURUKAWA AKIRA , SHIMANE OSAMU , SASAKI ICHIJI , TAKEMOTO HIDETSUGU
IPC分类号： F02M25/07 , F02D9/02
CPC分类号： F02M26/51 , F02M26/05 , F02M26/06 , F02M26/25 , F02M26/28 , F02M26/49 , F02M26/64 , F02M26/70
摘要： PROBLEM TO BE SOLVED: To determine a failure of an intake throttle valve 7 without using a dedicated opening sensor for the intake throttle valve 7. SOLUTION: A low-pressure EGR regulating valve 6 is driven by one motor-driven actuator 8, and an output of the one motor-driven actuator 8 is transmitted via a link device 9 to an intake throttle valve 7. Then, a failure is determined in the case that, upon operating after the stop of the energization of the motor-driven actuator 8 accompanied by the stop of an engine, a "detected opening degree of a low-pressure EGR opening sensor which detects an opening degree of a low-pressure EGR regulating valve 6" is not "an opening degree corresponding to a maximum opening degree in which an opening degree of an intake throttle valve 7 is regulated by a mechanical stopper 12". Accordingly, it is not necessary to provide the dedicated opening sensor for the intake throttle valve 7, and thus costs can be reduced. Furthermore, since the presence or absence of the failure of the intake throttle valve 7 is detected based on insufficient supercharging or an intake flow rate, during the operation of the engine, a vehicle can continue traveling on retreating traveling even if the intake throttle valve 7 is failed in a direction to throttle an intake passage 4. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了确定进气节气门7的故障，而不使用用于进气节流阀7的专门的开度传感器。解决方案：低压EGR调节阀6由一个电动机 - 驱动致动器8，并且一个电动致动器8的输出通过连杆装置9传递到进气节流阀7.然后，在停止通电后的操作的情况下，确定故障伴随着发动机停止的电动致动器8，检测到低压EGR调节阀6的开度的低压EGR开度传感器的检测开度不是“对应于通过机械止动件12“调节进气节流阀7的开度的最大开度。因此，不需要设置用于进气节气门7的专用开度传感器，因此可以降低成本。此外，由于基于不充分的增压或进气流量来检测进气节流阀7的故障的存在与否，所以在发动机的运转中，即使进气节流阀7 在方向节流进气通道4时失败。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2011012556A Intake pressure control device 审中-公开
标题翻译：进气压力控制装置
公开(公告)号：JP2011012556A
公开(公告)日：2011-01-20
申请号：JP2009155050
申请日：2009-06-30
申请人： Denso Corp , 株式会社デンソー
发明人： MORITA MASAHIRO , TAKEMOTO HIDETSUGU
IPC分类号： F02B39/16 , F02B37/22
CPC分类号： Y02T10/144
摘要： PROBLEM TO BE SOLVED: To detect a failure for inhibiting deterioration of controllability due to the failure.SOLUTION: An intake pressure control device is provided with a variable capacity turbocharger 12 including an exhaust gas flow control valve 12c and supercharging intake air of an internal combustion engine, and a control means 16 controlling opening of the exhaust gas flow control valve 12c. The control means 16 performs a first feed back process for calculating correction quantity based on an intake pressure deviation which is a deviation of actual intake pressure from target intake pressure, performs a second feed back process for calculating target exhaust pressure based on the correction quantity and calculating target opening of the exhaust gas flow control valve 12c based on a deviation of actual exhaust pressure from target exhaust pressure, and determines based on the correction quantity whether the second feed back process is in an abnormal state or not.
摘要翻译：要解决的问题：检测出由于故障导致的控制性劣化的失败。解决方案：进气压力控制装置设置有可变容量涡轮增压器12，其包括排气流量控制阀12c和内燃增压进气发动机，以及控制排气流量控制阀12c的打开的控制装置16。控制装置16基于作为实际进气压力与目标进气压力的偏差的进气压力偏差来进行用于计算校正量的第一反馈处理，基于校正量进行用于计算目标排气压力的第二反馈处理，以及基于实际排气压力与目标排气压力的偏差来计算废气流量控制阀12c的目标开度，并且基于校正量来确定第二反馈处理是否处于异常状态。

7. 发明专利

JP2010196570A Controller of internal combustion engine and engine control system 有权
标题翻译：内燃机和发动机控制系统控制器
公开(公告)号：JP2010196570A
公开(公告)日：2010-09-09
申请号：JP2009041757
申请日：2009-02-25
申请人： Denso Corp , 株式会社デンソー
发明人： KATSUNO MURAHITO , TAKEMOTO HIDETSUGU
IPC分类号： F02D21/08 , F02D41/12 , F02M25/07
CPC分类号： Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide a controller of an internal combustion engine capable of suppressing deterioration of the exhaust emission in case a flow rate adjusting means to adjust the flow rate of EGR gas and a temperature adjusting means to adjust the temperature of EGR gas are arranged to be driven interlocking by a single actuator. SOLUTION: In a constitution in which an EGR valve 13 (flow rate adjusting means) and a selector valve 16 (temperature adjusting means) are driven interlocking by a single electric motor 131, driving the valve 16 is admitted on condition that it is in the fuel cut state. Driving the valve 16 is exceptionally admitted if the fuel cut is not executed for a period over a prescribed time period after a request to drive the valve 16 was placed. However in this case, such a compensation control is conducted that the EGR amount is corrected incrementally (or corrected decreasing) so as to reduce the NOx generation amount (or PM generation amount) after the exceptional drive is completed. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种内燃机的控制器，其能够抑制在调节EGR气体的流量的流量调节装置和调节温度调节装置的温度调节装置的情况下排气排放的劣化 EGR气体被布置成由单个致动器驱动互锁。解决方案：在通过单个电动机131联动的EGR阀13（流量调节装置）和选择阀16（温度调节装置）的驱动的结构中，驱动阀16被允许，条件是处于燃油切断状态。如果在放置阀16的驱动要求之后在规定的时间段内燃油切断不被执行一段时间，则异常地允许阀16的驱动。然而，在这种情况下，进行这样的补偿控制，即，在异常驱动完成之后，增量地（或校正下降）来校正EGR量，以减少NOx生成量（或PM生成量）。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2008014264A Fuel injection control device for diesel engine 有权
标题翻译：柴油发动机燃油喷射控制装置
公开(公告)号：JP2008014264A
公开(公告)日：2008-01-24
申请号：JP2006187609
申请日：2006-07-07
申请人： Denso Corp , 株式会社デンソー
发明人： ASANO MASAHIRO , TAKEMOTO HIDETSUGU
IPC分类号： F02D45/00 , F02D41/38 , F02D41/40
CPC分类号： F02D41/2438 , F02D41/045 , F02D41/1497 , F02D41/2467 , F02D41/2483 , F02D41/40 , F02D41/403 , Y02T10/44
摘要： PROBLEM TO BE SOLVED: To prevent or inhibit drop of learning accuracy due to disturbance, in a fuel injection control device executing injection quantity learning for a diesel engine.
SOLUTION: This fuel injection control device calculates difference between speed of the diesel engine in a case of executing injection for learning and speed of the diesel engine in a case of not executing injection for learning as speed rise quantity δ1-δ4, calculates actual injection quantity actually injected from an injector based on a rotation state of the diesel engine, calculates difference between the calculated actual injection quantity and command injection quantity commanded to the injector as characteristic slippage quantity, and corrects command injection quantity to reduce the characteristic slippage quantity. In this case, correction of command injection quantity is inhibited when dispersion of the speed rise quantity δ1-δ4 is a predetermined value or higher.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了防止或抑制由于干扰引起的学习精度下降，在执行柴油发动机的喷射量学习的燃料喷射控制装置中。解决方案：在不执行用于学习的喷射作为速度上升量δ1-δ4的情况下，在执行学习喷射和柴油发动机的速度的情况下，该燃料喷射控制装置计算柴油发动机的速度之差，计算基于柴油发动机的旋转状态从喷射器实际喷射的实际喷射量，计算出计算出的实际喷射量与指示喷射器的指令喷射量之间的差作为特征滑移量，并且校正指令喷射量以降低特性滑动量。在这种情况下，当速度上升量δ1-δ4的偏差为预定值或更高时，禁止指令喷射量的校正。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2007113498A Exhaust gas recirculation control device 有权
标题翻译：排气回送控制装置
公开(公告)号：JP2007113498A
公开(公告)日：2007-05-10
申请号：JP2005306287
申请日：2005-10-20
申请人： Denso Corp , 株式会社デンソー
发明人： KATSUNO MURAHITO , HARAGUCHI HIROSHI , TAKEMOTO HIDETSUGU , FUJITA TATSUYA
IPC分类号： F02M25/07
CPC分类号： F02D41/0077 , F02M26/48 , F02M26/50 , F02M26/54 , F02M26/70 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To secure stable operation of an actuator without making gas flow rate zero by stop of power supply to an actuator even if quantity of power supplied to the actuator of a valve element reaches an upper limit value in an exhaust gas recirculation control device. SOLUTION: ECU divides a numerical value range which duty value can take into a permissible range and a nonpermissible range determined from a point of view of stable operation of the actuator, stores a first threshold value dividing the permissible range and the nonpermissible range, and limits duty value to a second threshold value and moves the same to the permissible range not to make gas flow rate zero when difference between a target valve position and an actual valve position gets to a predetermined value or less and duty value moves to the first threshold value or the nonpermissible range from the permissible range. Consequently, duty value changes mostly in the permissible range even if the same temporarily moves in the nonpermissible range. Thus stable operation of the actuator can be secured without making gas flow rate zero. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了确保致动器的稳定运行，而不会通过停止向致动器的电力供应而使气体流量为零，即使供应给阀元件的致动器的功率量达到排气中的上限值气体再循环控制装置。解决方案：ECU将占空比值可以占用的数值范围划分到允许的范围内，并且从执行器的稳定运行的角度确定的非允许范围，存储除允许范围和不可允许范围之外的第一阈值并且将作用值限制为第二阈值，并且将目标阀位置与实际阀位置之间的差达到预定值以下，并将其移动到允许范围而不使气体流量为零，并且占空值向第一个阈值或从允许范围的不可允许的范围。因此，即使相同的临时移动在不可允许的范围内，占空比也大部分在容许范围内变化。因此，可以确保致动器的稳定操作而不使气体流量为零。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2005133678A Injection quantity controller of diesel engine 有权
标题翻译：柴油发动机喷油量控制器
公开(公告)号：JP2005133678A
公开(公告)日：2005-05-26
申请号：JP2003372281
申请日：2003-10-31
申请人： Denso Corp , 株式会社デンソー
发明人： ASANO MASAHIRO , TAKEMOTO HIDETSUGU , UMEHARA HIROSHI
IPC分类号： F02D21/08 , F02D23/00 , F02D41/00 , F02D41/14 , F02D41/24 , F02D41/38 , F02D41/40
CPC分类号： F02D41/0055 , F02D41/0007 , F02D41/1498 , F02D41/187 , F02D41/2438 , F02D41/2441 , F02D41/2467 , F02D41/38 , F02D2200/0406 , Y02T10/144 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide a characteristic value one-to-one corresponding to a real injection quantity by preparing a learning environment when an injection quantity learning is performed, and to thus perform the injection quantity learning at a high accuracy.
SOLUTION: An ECU 11 performs single-engine injection for learning with respect to a specific cylinder of the engine 1 with an injector 2 when a predetermined learning condition is established, and performs the injection quantity learning for correcting a commanded injection quantity with respect to the single-engine injection based on a rotation speed variation of the engine 1 generated by the single-engine injection. After the establishment of the predetermined learning condition, before performing the single-engine injection, the opening of an EGR valve 9 is controlled to the closed side of a predetermined opening, the opening of a D throttle 6 is controlled to the opened side of the predetermined opening, and the opening of a variable turbo 5 is controlled to the opened side of the predetermined opening. Thus, the air amount flowing into a combustion chamber 3 of the engine 1 and its composition becomes stable, so that the characteristic value detected after the single-engine injection corresponds to the real injection quantity one-to-one, and the injection quantity learning can be performed at the high accuracy.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过在执行喷射量学习时通过准备学习环境来提供与实际喷射量相对应的一对一的特征值，从而以高精度执行喷射量学习。解决方案：当建立预定的学习条件时，ECU11用喷射器2对发动机1的特定气缸进行学习的单发动机喷射，并且执行用于校正指令喷射量的喷射量学习，基于通过单发动机喷射而产生的发动机1的转速变化的单发动机喷射。在建立预定学习条件之后，在执行单发动机喷射之前，将EGR阀9的打开控制到预定开口的封闭侧，将D节流阀6的开度控制到预定开口，并且可变涡轮5的开度被控制到预定开口的开口侧。因此，流入发动机1的燃烧室3的空气量及其组成变得稳定，从而在单次发动机喷射之后检测到的特性值一次对应于实际喷射量，喷射量学习可以高精度地执行。版权所有（C）2005，JPO＆NCIPI

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