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1. 发明专利

JP2009092385A Thermal flow meter, thermal flow meter control method, and sensor element of thermal flow meter 有权
标题翻译：热流量计，热流量计控制方法和热流量计传感器元件
公开(公告)号：JP2009092385A
公开(公告)日：2009-04-30
申请号：JP2007260187
申请日：2007-10-03
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUKEGAWA YOSHIHIRO , TOKUYASU NOBORU , HOSHIKA HIROAKI , KASHIO KAORI
IPC分类号： G01F1/696
CPC分类号： G01F1/684 , G01F1/698 , G01F1/74 , G01F15/02 , G01F15/04
摘要： PROBLEM TO BE SOLVED: To correct flow rate detection errors produced by vaporization of liquid phase components included in a gas to be measured in a thermal flow meter. SOLUTION: The thermal flow meter includes a correction circuit 500 that applies respectively different predetermined voltages to heating resistors consisting of first heating resistor Rh1 and second heating resistor Rh2 of a sensor element disposed in the gas to be measured to set a first temperature state and a second temperature state, calculates a first flow rate value Q1 of the gas to be measured in the first temperature state and a second flow rate value Q2 of the gas to be measured in the second temperature state, and calculates a flow rate correction value ΔQ based on a ratio (Q1/Q2) between the first flow rate value and second flow rate value or a fourth-power value (Q1/Q2) 4 of the ratio to correct a flow rate of the gas to be measured. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了校正在热流量计中被测量的气体中包含的液相成分的蒸发产生的流量检测误差。解决方案：热流量计包括校正电路500，该校正电路500分别对设置在要测量的气体中的传感器元件的第一加热电阻器Rh1和第二加热电阻器Rh2组成的加热电阻器施加不同的预定电压，以将第一温度状态和第二温度状态，计算第一温度状态下的被测量气体的第一流量值Q1和在第二温度状态下的待测气体的第二流量值Q2，并计算流量校正基于第一流量值和第二流量值之间的比值（Q1 / Q2）或第四功率值（Q1 / Q2） 4 的值ΔQ，以校正流量要测量的气体。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2008032501A Thermal type gas flowmeter 有权
标题翻译：热式气体流量计
公开(公告)号：JP2008032501A
公开(公告)日：2008-02-14
申请号：JP2006205536
申请日：2006-07-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TOKUYASU NOBORU , HOSHIKA HIROAKI , KASHIO KAORI , AISAKA MITSUHARU , OTSUKI TOSHIKI , SUKEGAWA YOSHIHIRO
IPC分类号： G01F1/68
CPC分类号： G01F1/69 , F02D41/187 , F02M26/47 , F02M2026/003 , G01F1/692 , G01F1/696 , G01F1/699
摘要： PROBLEM TO BE SOLVED: To solve the problem of a thermal type gas flowmeter for exhaust gas from an internal combustion engine wherein measurement accuracy is deteriorated in a short time by deposition of a pollutant mainly composed of soot included in the exhaust gas. SOLUTION: In this gas flowmeter having a sensor element comprising at least one first heating resistor, two or more resistors in fluid, and a second heating resistor disposed between the first heating resistor and a housing supporting the sensor element and arranged in another electrical system than the first heating resistor, a temperature detection means is provided between the first heating resistor and the second heating resistor, and the temperature of the first heating resistor or the second heating resistor is controlled based on a temperature measured by the temperature detection means. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：为了解决来自内燃机的废气的热式气体流量计的问题，其中通过沉积主要由排气中包含的烟灰的污染物，在短时间内劣化测量精度。解决方案：在具有传感器元件的气体流量计中，传感器元件包括至少一个第一加热电阻器，流体中的两个或更多个电阻器，以及设置在第一加热电阻器和支撑传感器元件并且布置在另一个中的第二加热电阻器电气系统比第一加热电阻器温度检测装置设置在第一加热电阻器和第二加热电阻器之间，并且基于由温度检测装置测量的温度来控制第一加热电阻器或第二加热电阻器的温度。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007101426A Thermal type flowmeter 审中-公开
标题翻译：热式流量计
公开(公告)号：JP2007101426A
公开(公告)日：2007-04-19
申请号：JP2005293122
申请日：2005-10-06
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TOKUYASU NOBORU , TERADA DAISUKE , KASHIO KAORI , KONUKI HIROSHI , FUKATSU KATSUAKI
IPC分类号： G01F1/684
摘要： PROBLEM TO BE SOLVED: To solve the problem, wherein deposition of a soilure substance to a lead part and a terminal part supporting a heating resistor, in particular, produces to cause measurement accuracy deterioration in a short time, accompanying passage of time in a thermal type flowmeter for automobiles. SOLUTION: The thermal type flowmeter is set so that the lower limit of a heating temperature of the heating resistor is 350°C or higher, and a part periphery in which the absolute temperature is 400°C or lower is surrounded, when the lead part, the terminal part or the heating resistor is energized and used by a fixing part. In particular, the thermal type flowmeter has a first structure where the leakage of a soilure substance to the lead part and the terminal part on the fixing part is prevented, and a second structure where the deposition of the soilure substance to a surrounding part positioned at the upstream of the heating resistor is prevented, and is coated by a water or oil repellent film on the surface. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题为了解决这样一个问题，特别是在导致部件和支撑加热电阻器的端子部分上沉积污物，导致测量精度在短时间内劣化，伴随着时间的推移在汽车的热式流量计中。解决方案：热式流量计的设定使得加热电阻器的加热温度的下限为350℃以上，绝缘温度为400℃以下的部分周边被包围，当引线部分，端子部分或加热电阻器被固定部分通电并使用。特别地，热式流量计具有第一结构，其中防止了污物到引线部分和固定部件上的端子部分的泄漏，以及第二结构，其中将污物物质沉积到位于防止加热电阻器的上游，并且在表面上由防水或防油膜涂覆。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006317296A Thermal flowmeter and system 审中-公开
标题翻译：热流量计和系统
公开(公告)号：JP2006317296A
公开(公告)日：2006-11-24
申请号：JP2005140556
申请日：2005-05-13
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TOKUYASU NOBORU , IGARASHI SHINYA , FUKATSU KATSUAKI , KASHIO KAORI , TERADA DAISUKE , YAMAOKA SHIRO
IPC分类号： G01F1/68 , F02D35/00 , F02D41/18 , F02D45/00 , F02M25/07 , G01F1/00
CPC分类号： F02M26/47 , F02M26/05 , F02M26/49
摘要： PROBLEM TO BE SOLVED: To solve the problem that thermal flowmeters for automobiles can be broken when gases to be measured are anomalous. SOLUTION: A temperature detection element is installed to a thermal flowmeter to measure the temperature of gases to be measured. Detection results of the temperature of gases to be measured are fed back to this system or device control to enable the prevention of the breakage of the thermal flowmeter and diagnosis in the case of its breakage. It is possible by this invention to devise measures to prevent failure of the thermal flowmeter in a flowmeter for mainly measuring the quantity of flow of exhaust gases. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了解决当要测量的气体异常时汽车热流量计可以被破坏的问题。
解决方案：温度检测元件安装在热流量计上，以测量被测气体的温度。将要测量的气体的温度的检测结果反馈到该系统或装置控制器，以防止热流量计的断裂和在其破裂的情况下进行诊断。通过本发明，可以设计防止用于主要测量废气流量的流量计中的热流量计的故障的措施。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2005213817A Personal authentication apparatus 审中-公开
标题翻译：个人认证装置
公开(公告)号：JP2005213817A
公开(公告)日：2005-08-11
申请号：JP2004020261
申请日：2004-01-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KASHIMURA YUICHI , MATSUMURA TAKASHI , HASUNUMA TAKASHI , AKIYAMA YOSHIYUKI , OSAKA ICHIRO , KASHIO KAORI
IPC分类号： E05B49/00 , A61B5/117 , B60R25/01 , B60R25/10 , B60R25/102 , B60R25/25 , B60R25/33 , H04L9/32
摘要： PROBLEM TO BE SOLVED: To provide a personal authentication apparatus which not only determines whether or not a user is authenticated but also enables the user to know that the personal authentication apparatus determines that the user is not authenticated, when it is determined. SOLUTION: This personal authentication apparatus determines whether or not the user is authenticated, according to biological information of an authentication object person, and stores the biological information in a storage means when determining that the user is not authenticated. The biological information is transmitted to a control center. Furthermore, an image of the authentication object person is taken by an imaging device, and a position is detected by a position detecting means. These pieces of information are transmitted to the control center. The control center can take a necessary action. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种个人认证装置，其不仅确定用户是否被认证，而且还使得用户能够知道个人认证装置确定用户未被认证，当确定时。解决方案：该个人认证装置根据认证对象人的生物信息确定用户是否被认证，并且在确定用户未被认证时将生物体信息存储在存储装置中。生物信息被传送到控制中心。此外，由成像装置拍摄认证对象人的图像，并且通过位置检测装置检测位置。这些信息被传送到控制中心。控制中心可以采取必要的措施。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2009145218A Fluid flow measuring device 有权
标题翻译：流体流量测量装置
公开(公告)号：JP2009145218A
公开(公告)日：2009-07-02
申请号：JP2007323292
申请日：2007-12-14
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HOSHIKA HIROAKI , TOKUYASU NOBORU , KOKUBU HISANORI , KASHIO KAORI
IPC分类号： G01F1/684
CPC分类号： G01F1/6842 , G01F1/692
摘要： PROBLEM TO BE SOLVED: To provide a fluid flow measuring device capable of measuring fluid flow with high accuracy by preventing deposition of pollutant in a sub-passage. SOLUTION: A heater pattern 34 is formed on the surface of a cylindrical rod 3. When electricity is conducted in the heater pattern 34 and heat is generated, the heat is transmitted to the sub-passage 26 through an insulating layer. The heat is gradually transmitted up to the leading end of the sub-passage 26, and burns out pollutant adhering to the sub-passage 26. In this way, deposition in the sub-passage 26 of pollutant can be prevented, thus achieving a fluid flow measuring device capable of measuring the fluid flow with high accuracy. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种流体流量测量装置，其能够通过防止污染物在副通道中的沉积而以高精度测量流体流动。解决方案：在圆柱形棒3的表面上形成加热器图案34.当在加热器图案34中传导电力并产生热量时，热量通过绝缘层传递到子通道26。热量逐渐传递到副通路26的前端，燃烧附着在副通道26上的污染物。这样就可以防止污染物的副通道26的沉积，从而达到流体流量测量装置能够高精度地测量流体流动。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2008298425A Gas flowmeter and engine control system 有权
标题翻译：气体流量计和发动机控制系统
公开(公告)号：JP2008298425A
公开(公告)日：2008-12-11
申请号：JP2007141263
申请日：2007-05-29
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TOKUYASU NOBORU , HOSHIKA HIROAKI , KASHIO KAORI , HANZAWA KEIJI
IPC分类号： G01F1/684 , F02M25/07 , G01F1/68 , G01F1/698
CPC分类号： G01F1/699 , G01F1/688
摘要： PROBLEM TO BE SOLVED: To solve the problems, wherein in a structure integrated with a rod and a sensor element, heat of the sensor element flows into a sensor probe via a substrate (rod), and thereby considerable waste of the power is inevitable, and sensitivity with respect to flow rate or the temperature change of gas to be measured is lowered caused by the phenomenon, and the required response speed cannot be acquired. SOLUTION: Flow rate is measured with a gas flowmeter, by using a column (rod) made of an insulating material on the center axis of the sensing probe and having a conductor pattern for conduction formed on the surface, and the sensing probe, characterized by connecting the sensor element disposed in a pipe running the gas to be measured and a harness terminal through the conductor on the rod surface. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题为了解决这样的问题，其中在与杆和传感器元件集成的结构中，传感器元件的热经由基板（棒）流入传感器探针，从而大大浪费了功率是不可避免的，并且由于这种现象而导致的被测气体的流量或温度变化的灵敏度降低，并且不能获得所需的响应速度。
解决方案：使用气体流量计测量流量，通过在感测探头的中心轴上使用由绝缘材料制成的柱（棒）并且具有形成在表面上的导电导体图案，并且感测探针其特征在于，将设置在待测量气体的管道中的传感器元件和通过杆表面上的导体的线束端子连接起来。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008101498A Exhaust gas recirculation device of internal combustion engine 有权
标题翻译：内燃机排气回收装置
公开(公告)号：JP2008101498A
公开(公告)日：2008-05-01
申请号：JP2006283240
申请日：2006-10-18
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： OHATA EIICHIRO , YAMAOKA SHIRO , SUKEGAWA YOSHIHIRO , HOSHIKA HIROAKI , KASHIO KAORI
IPC分类号： F02M25/07
CPC分类号： F02D41/0055 , F02D41/0072 , F02D41/187 , F02D41/22 , F02D2041/0067 , F02D2041/0075 , F02D2200/0414 , F02M26/25 , F02M26/43 , F02M26/44 , F02M26/47 , F02M26/48 , F02M26/49 , F02M2026/003 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To solve the problem of continuing a backflow state in determining time by calculation processing and driving time of an EGR control valve, in addition to response delay time of a detector, when the EGR gas flowing direction changes to a backflow from a downflow, for performing valve closing control of an EGR valve, after sensing the backflow of EGR gas, in a conventional technology. SOLUTION: The EGR control valve comprises the EGR control valve arranged in an exhaust gas recirculating passage for circulating exhaust gas of an internal combustion engine to an intake passage from an exhaust passage, a measuring means for measuring a flow rate of the EGR gas flowing in the exhaust gas recirculating passage, and a control means for closing the EGR control valve, when the flow rate of the EGR gas is smaller than a predetermined threshold value, in a state of flowing to the intake side from the exhaust side of the internal combustion engine on the EGR gas flowing direction, by receiving input from the measuring means. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了解决在通过EGR控制阀的计算处理和驱动时间确定时间中继续回流状态的问题，除了检测器的响应延迟时间之外，当EGR气体流动方向变为在常规技术中，在感测到EGR气体的回流之后，用于执行EGR阀的阀关闭控制的向下流的回流。解决方案：EGR控制阀包括布置在废气再循环通道中的EGR控制阀，用于使内燃机的排气从排气通道循环到进气通道;测量装置，用于测量EGR的流量在废气再循环通道中流动的气体，以及当EGR气体的流量小于预定阈值时关闭EGR控制阀的控制装置处于从排气侧的排气侧流入进气侧的状态内燃机在EGR气体流动方向上，通过接收来自测量装置的输入。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2007285756A Thermal flow sensor 有权
标题翻译：热流量传感器
公开(公告)号：JP2007285756A
公开(公告)日：2007-11-01
申请号：JP2006110849
申请日：2006-04-13
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUKEGAWA YOSHIHIRO , TOKUYASU NOBORU , KASHIO KAORI , TERADA DAISUKE
IPC分类号： G01F1/698
CPC分类号： G01F1/69 , G01F1/692 , G01F1/696 , G01F1/6983 , G01F1/699
摘要： PROBLEM TO BE SOLVED: To reduce a flaw detection error when the sensor is dirty regarding the thermal flow sensor. SOLUTION: The measurement element 1 of the thermal flow sensor is arranged in the flow to be measured. The element 1 is composed of the first heating resistor 7 for detecting the flow rate, the second heating resistor 9 for heating the support 5 for the first heating resistor 7, and the current control circuits 101 and 102 for controlling the supply current so as the temperature of the second heating resistor 9 is higher than that of the first heating resistor 7. COPYRIGHT: (C)2008,JPO&INPIT

10. 发明专利

JP2005235049A Personal identification device 有权
标题翻译：个人识别装置
公开(公告)号：JP2005235049A
公开(公告)日：2005-09-02
申请号：JP2004045922
申请日：2004-02-23
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MATSUMURA TAKASHI , KASHIO KAORI
IPC分类号： G06T1/00
摘要： PROBLEM TO BE SOLVED: To provide a personal identification device which detects whether there is a finger or not and does not irradiate an infra-red light source when there is no finger.
SOLUTION: The personal identification device 100 with the infra-red light source 102 and a picturing means 104 for identifies a person by irradiating infra-red light from the infra-red light source 102 to a finger F and verifying biological information obtained by picturing infra-red light re-irradiated from a surface of the finger F by the picturing means 104 reflecting after impinging in the finger F and biological information registered beforehand. The personal identification device 100 is equipped with a supplementary light source 108 for irradiating infra-red light to a picturing direction side of the picturing means 104 for the finger F and has a biological body deciding function for measuring light intensity FTBRon when turning on the supplementary light source 108 and light intensity FTBRoff when turning off the supplementary light source 108 by the picturing means 104 and determining that there is the finger F in the case that FTBRon > FTBRoff + a is true.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种在没有手指时检测是否存在手指并且不照射红外光源的个人识别装置。
解决方案：具有红外光源102的个人识别装置100和用于通过将红外光源102的红外光照射到手指F来识别人的图案装置104，并验证获得的生物信息通过在入射到手指F之后反射的图形装置104和预先登记的生物信息来对从手指F的表面再次照射的红外线进行照射。个人识别装置100配备有辅助光源108，用于将红外线照射到用于手指F的图示装置104的图示方向侧，并且具有用于在打开附加物时测量光强度FTBRon的生物体决定功能光源108和由强制装置104关闭辅助光源108时的光强度FTBRoff，并且在FTBRon> FTBRoff + a为真的情况下确定存在手指F。版权所有（C）2005，JPO＆NCIPI

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