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    • 1. 发明专利
    • Oxygen concentration detection device and alcohol detection device
    • 氧气浓度检测装置和酒精检测装置
    • JP2012251975A
    • 2012-12-20
    • JP2011127128
    • 2011-06-07
    • Yazaki Corp矢崎総業株式会社Toyota Motor Corpトヨタ自動車株式会社
    • SATO TAKASHIYABE HIROOSUZUKI TAKAYUKIMATSUSHIMA TOMOHIROATSUMI BUNJISASUGA TAKESHI
    • G01N27/41G01N27/416
    • PROBLEM TO BE SOLVED: To provide a technique which is capable of properly correcting an alcohol concentration by using an oxygen concentration.SOLUTION: A heater device 40 includes a Wheatstone bridge circuit 45, a power source V1, a current control transistor Q1, and an operational amplifier OP1. The Wheatstone bridge circuit 45 forms two bridge paths between a collector of the current control transistor Q1 and the ground. One bridge path is provided with a micro heater MH and a third resistance R3. The micro heater MH is disposed in the vicinity of an O2 output part 35 and holds an oxygen detection region at a desired temperature. The operational amplifier OP1 detects and amplifies an unbalance voltage of the Wheatstone bridge circuit 45 to control the operation of the current control transistor Q1. A main control unit monitors a voltage at a contact B and, when the voltage reaches a prescribed maximum voltage, determines the detection accuracy of an oxygen concentration to be improper.
    • 要解决的问题:提供能够通过使用氧浓度适当地校正醇浓度的技术。 解决方案:加热器装置40包括惠斯通电桥电路45,电源V1,电流控制晶体管Q1和运算放大器OP1。 惠斯登电桥电路45在电流控制晶体管Q1的集电极和地之间形成两个桥接路径。 一个桥路设置有微加热器MH和第三电阻R3。 微加热器MH设置在O2输出部分35附近,并将氧检测区域保持在所需温度。 运算放大器OP1检测并放大惠斯通电桥电路45的不平衡电压,以控制电流控制晶体管Q1的工作。 主控制单元监视触点B的电压,并且当电压达到规定的最大电压时,确定氧气浓度的检测精度不正确。 版权所有(C)2013,JPO&INPIT
    • 2. 发明专利
    • Encoder and vehicle
    • 编码器和车辆
    • JP2010181330A
    • 2010-08-19
    • JP2009026305
    • 2009-02-06
    • Nok CorpNok株式会社Toyota Motor Corpトヨタ自動車株式会社
    • SATO TAKASHIHONDA HIROYASUMIYATA HIDEKISUGIYAMA YASUSHI
    • G01D5/244B60K6/365B60K6/445B60K6/547F16H59/42F16H61/00F16H61/686G01D5/245G01P13/04
    • Y02T10/6239
    • PROBLEM TO BE SOLVED: To provide a technology for detecting correctly a rotation direction of a rotator by using an encoder including two detection elements.
      SOLUTION: This encoder 10 includes the detection elements 2a, 2b for output of a detection signal showing a detected magnetic field, a magnetic pole 3, and a rotation detection unit 6 for detecting which direction between a normal direction and a reverse direction is the rotation direction of the rotator. The magnetic pole 3 includes a plurality of N-pole domains 4 and a plurality of S-pole domains 5. The plurality of N-pole domains 4 and the plurality of S-pole domains 5 are alternately arranged along the rotation direction of the rotator. The width of the N-pole domain 4 (length along the rotation direction of the rotator) is wider than the width of the S-pole domain 5.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种通过使用包括两个检测元件的编码器正确地检测旋转体的旋转方向的技术。 解决方案:该编码器10包括用于输出表示检测磁场的检测信号的检测元件2a,2b,用于检测正向和反方向之间的方向的磁极3和旋转检测单元6 是旋转体的旋转方向。 磁极3包括多个N极畴4和多个S极畴5.多个N极畴4和多个S极畴5沿旋转体的旋转方向交替布置 。 N极畴4的宽度(沿着旋转体的旋转方向的长度)比S极域5的宽度宽。版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Shift indicator
    • 移动指示器
    • JP2009073416A
    • 2009-04-09
    • JP2007246009
    • 2007-09-21
    • Toyota Motor Corpトヨタ自動車株式会社
    • NISHIMURA NAOKISATO TAKASHI
    • B60K23/00F16H61/12F16H61/22F16H63/42
    • PROBLEM TO BE SOLVED: To provide a shift indicator applied to a vehicle on which a by-wire system shifting device is loaded and capable of taking countermeasures to erroneous indication of a shift range in inexpensive constitution.
      SOLUTION: An SBW_ECU 200 to which a malfunction preventive countermeasure is applied controls indication of an R range lamp 32 and a meter ECU 300 to which no malfunction preventive countermeasure is applied controls indication of a D range lamp 34 in indicating (lighting) each of the P, R, N, D range lamps 31 to 34 arranged on a shift indication part 30. Consequently, it is possible for a driver to recognize erroneous indication of the shift range from simultaneous indication as the two shift ranges of the R range and the D range are simultaneously indicated on the shift indication part 30 by controlling indication of the shift range by the two ECUs in this way when the meter ECU 300 erroneously indicates the D range in spite of the fact that, for example, a real range is the R range as abnormality occurs in the meter ECU 300.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种应用于其上加载有线系统换档装置的车辆的换档指示器,并且能够以廉价的构造对误差指示的错误指示采取对策。 解决方案:应用了故障预防措施的SBW_ECU 200控制R范围灯32和未应用故障预防措施的仪表ECU 300的指示控制D范围灯34在指示(点亮)中的指示, 布置在换档指示部30上的P,R,N,D范围灯31至34中的每一个。因此,驾驶员可以从R的两个移动范围中识别出同步指示的移动范围的错误指示 通过以这种方式控制两个ECU的移动范围的指示,同时在换挡指示部30上指示范围和D范围,但是当仪表ECU300错误地指示D范围时,尽管事实上例如是真实的 范围是在仪表ECU 300中出现异常时的R范围。版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Encoder and vehicle
    • 编码器和车辆
    • JP2011112427A
    • 2011-06-09
    • JP2009267205
    • 2009-11-25
    • Nok CorpNok株式会社Toyota Motor Corpトヨタ自動車株式会社
    • SATO TAKASHIHONDA HIROYASUSUGIYAMA YASUSHI
    • G01D5/245
    • PROBLEM TO BE SOLVED: To provide an encoder for stably detecting the rotation direction of a rotor even if a gap between the rotor and detection elements is varied, and a vehicle with the same. SOLUTION: The encoder 10, used for detecting the rotation number and the rotation direction of an output shaft of an automatic transmission, includes: the detection elements 2a, 2b for outputting detection signals indicating a detected magnetic field; a magnetic pole section 3; and a rotation detection section 6 for detecting whether the rotation direction of the rotor is forward or backward. The magnetic pole section 3 includes a plurality of N-pole regions 4, a plurality of S-pole regions 5, and S-pole regions 7 inserted in the N-pole regions 4. Since the S-pole regions 7 are inserted in the N-pole regions 4, a flat section is generated in a differential waveform between the signals from the detection elements 2a, 2b. The rotation direction of the rotor is accurately detected even if the gap is extended between the rotor (a plate 1) and the detection elements. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种用于稳定地检测转子的旋转方向的编码器,即使在转子和检测元件之间的间隙变化的情况下,也可以提供具有这样的编码器。 解决方案:用于检测自动变速器的输出轴的旋转数和旋转方向的编码器10包括:用于输出表示检测到的磁场的检测信号的检测元件2a,2b; 磁极部3; 以及旋转检测部6,用于检测转子的旋转方向是向前还是向后。 磁极部分3包括插入在N极区域4中的多个N极区域4,多个S极区域5和S极区域7.由于S极区域7被插入到 在N极区域4中,在来自检测元件2a,2b的信号之间的差分波形中产生平坦部分。 即使间隙在转子(板1)和检测元件之间延伸,也可精确地检测转子的旋转方向。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Vehicle control device
    • 车辆控制装置
    • JP2009127841A
    • 2009-06-11
    • JP2007307053
    • 2007-11-28
    • Toyota Motor Corpトヨタ自動車株式会社
    • SATO TAKASHI
    • F16H61/02F02D29/00F02D29/02F16H59/10F16H59/72F16H61/12F16H61/68F16H61/684F16H61/686F16H63/28F16H63/40F16H63/50
    • F16H61/12F16H59/105F16H2061/124F16H2061/1284
    • PROBLEM TO BE SOLVED: To provide a vehicle control device (3, 40) mounted with a range change-over device 10 of a by-wire type using an actuator 60 for range change-over of an automatic transmission 2, for minimizing or preventing the movement of a vehicle even when range change-over fail occurs in the process of the range change-over in a specified pattern (R→D, D→R, e.g.) to reverse a current driving force direction. SOLUTION: The control device (3, 40) comprises a dealing-with means for lowering the generated output of a driving source 1 to a lower limit side when a request for change-over into a forward travel range or a reverse travel range is recognized as the specified pattern (Steps S1, S5), and an executing means for controlling the range change-over device 10 to establish the requested range (Steps S2, S4, S6). COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种车载控制装置(3,40),其安装有用于自动变速器2的范围转换的致动器60的线控式换档装置10,用于 即使当在指定模式(R→D,D→R,例如)中的范围转换的过程中发生范围转换失败时,也能最小化或防止车辆的移动,以逆转当前的驱动力方向。 解决方案:控制装置(3,40)包括处理装置,用于当切换到前进行程范围或反向行程的请求时将驱动源1的产生的输出降低到下限侧 区间被识别为指定模式(步骤S1,S5),以及执行装置,用于控制范围转换装置10建立请求范围(步骤S2,S4,S6)。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Vehicle controller
    • 车辆控制器
    • JP2009068540A
    • 2009-04-02
    • JP2007235373
    • 2007-09-11
    • Toyota Motor Corpトヨタ自動車株式会社
    • INOUE YUJINISHIMURA NAOKISATO TAKASHI
    • F16H59/08F16H59/72F16H61/12F16H61/68F16H61/684F16H61/686
    • F16H61/12F16H59/72F16H61/686
    • PROBLEM TO BE SOLVED: To interrupt power transmission at failure in changing shift positions with appropriate timing, in a vehicle equipped with a by-wire type shifting device for changing shift positions of an automatic transmission by an actuator.
      SOLUTION: The fail-safe control interrupts the power transmission from a driving source to a driving wheel by releasing the clutch of the automatic transmission at the time of a failure in shifting. When the hydraulic fluid of the automatic transmission is at a low temperature (for example, below freezing), the viscosity of the hydraulic fluid is too high, and the response of the power interruption becomes low. By taking this into consideration, when the oil temperature at the time of a request for shifting is at low temperature (steps ST2 to ST3), the clutch of the automatic transmission is released simultaneously with the request for shifting, and power transmission is interrupted (step ST11). Thus, a delay in the release of the clutch at the time of a failure in shifting with a low oil temperature can be prevented.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:在配备有用于通过致动器改变自动变速器的换档位置的绕线式换档装置的车辆中,在适当的定时改变换档位置时中断断电时的动力传递。 解决方案:故障安全控制通过在变速器故障时释放自动变速器的离合器来中断从驱动源到驱动轮的动力传递。 当自动变速器的液压油处于低温(例如,低于冰点)时,液压油的粘度过高,并且电力中断的响应变低。 考虑到这一点,当要求换档时的油温处于低温时(步骤ST2〜ST3),自动变速器的离合器与移动请求同时被释放,并且动力传递被中断( 步骤ST11)。 因此,可以防止在油温低的换档失败时离合器的释放延迟。 版权所有(C)2009,JPO&INPIT