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1. 发明申请

US20100140113A1 GAS SENSOR CONTROL APPARATUS AND METHOD 有权
标题翻译：气体传感器控制装置和方法
公开(公告)号：US20100140113A1
公开(公告)日：2010-06-10
申请号：US12630423
申请日：2009-12-03
申请人： Satoshi TERAMOTO , Hirotaka Onogi , Koji Shiotani , Kenji Kato , Takashi Kawai
发明人： Satoshi TERAMOTO , Hirotaka Onogi , Koji Shiotani , Kenji Kato , Takashi Kawai
IPC分类号： G01N27/26
CPC分类号： G01N27/419
摘要： There is provided a control apparatus for a gas sensor, which has a sensor element equipped with first and second oxygen pumping cells. The sensor control apparatus is configured to drive the first oxygen pumping cell to adjust the oxygen concentration of gas under measurement, drive the second oxygen pumping cell to produce a flow of electric current according to the amount of oxygen pumped out of the oxygen concentration adjusted gas by the second oxygen pumping cell, perform specific drive control to control the amount of oxygen pumped by the second oxygen pumping cell to a predetermined level after startup of the sensor element and before the application of the drive voltage between the electrodes of the second oxygen pumping cell.
摘要翻译：提供了一种用于气体传感器的控制装置，其具有配备有第一和第二氧气泵浦单元的传感器元件。传感器控制装置被配置为驱动第一氧气泵送单元以调节测量气体的氧气浓度，驱动第二氧气泵送单元，根据从氧浓度调节气体中抽出的氧气的量产生电流通过第二氧气泵送单元，执行特定的驱动控制，以在启动传感器元件之后并且在第二氧气泵送电极之间施加驱动电压之前，将第二氧气泵浦单元泵浦的氧气量控制到预定水平细胞。

2. 发明授权

US08361306B2 Gas sensor control apparatus and method 有权
标题翻译：气体传感器控制装置及方法
公开(公告)号：US08361306B2
公开(公告)日：2013-01-29
申请号：US12630423
申请日：2009-12-03
申请人： Satoshi Teramoto , Hirotaka Onogi , Koji Shiotani , Kenji Kato , Takashi Kawai
发明人： Satoshi Teramoto , Hirotaka Onogi , Koji Shiotani , Kenji Kato , Takashi Kawai
IPC分类号： G01N27/26 , G01N27/417
CPC分类号： G01N27/419
摘要： There is provided a control apparatus for a gas sensor, which has a sensor element equipped with first and second oxygen pumping cells. The sensor control apparatus is configured to drive the first oxygen pumping cell to adjust the oxygen concentration of gas under measurement, drive the second oxygen pumping cell to produce a flow of electric current according to the amount of oxygen pumped out of the oxygen concentration adjusted gas by the second oxygen pumping cell, perform specific drive control to control the amount of oxygen pumped by the second oxygen pumping cell to a predetermined level after startup of the sensor element and before the application of the drive voltage between the electrodes of the second oxygen pumping cell.
摘要翻译：提供了一种用于气体传感器的控制装置，其具有配备有第一和第二氧气泵浦单元的传感器元件。传感器控制装置被配置为驱动第一氧气泵送单元以调节测量气体的氧气浓度，驱动第二氧气泵送单元，根据从氧浓度调节气体中抽出的氧气的量产生电流通过第二氧气泵送单元，执行特定的驱动控制，以在启动传感器元件之后并且在第二氧气泵送电极之间施加驱动电压之前，将第二氧气泵浦单元泵浦的氧气量控制到预定水平细胞。

3. 发明授权

US09297778B2 Sensor control apparatus, sensor control system, and sensor control method 有权
标题翻译：传感器控制装置，传感器控制系统和传感器控制方法
公开(公告)号：US09297778B2
公开(公告)日：2016-03-29
申请号：US13418903
申请日：2012-03-13
申请人： Hirotaka Onogi , Kenji Kato , Satoshi Teramoto
发明人： Hirotaka Onogi , Kenji Kato , Satoshi Teramoto
IPC分类号： G01N27/407
CPC分类号： G01N27/4074
摘要： A sensor control apparatus is disclosed, including a preliminary control for supplying a constant current to a second oxygen pump cell of a gas sensor for a constant period of time so as to control to a constant level the amount of oxygen pumped out from a second measurement chamber (S40 to S50). At the beginning of drive control (S55 to S80), oxygen is pumped back into the second measurement chamber. During the pumping back operation, an NOX concentration correspondence value has a large time course change and is not stable. The NOX concentration correspondence value is corrected using correction data common among gas sensors, wherein the timing for applying the correction data is adjusted by making use of an application time determined in accordance with individual differences of each gas sensor.
摘要翻译：公开了一种传感器控制装置，其包括用于向恒定时间段的气体传感器的第二氧气泵室提供恒定电流的初步控制，以便将从第二测量泵出的氧气量控制在恒定水平（S40〜S50）。在驱动控制开始时（S55〜S80），氧被泵回第二测量室。在抽吸操作期间，NOX浓度对应值具有大的时程变化并且不稳定。使用在气体传感器中公知的校正数据来校正NO x浓度对应值，其中通过利用根据每个气体传感器的个体差异确定的施加时间来调整用于应用校正数据的定时。

4. 发明授权

US08377274B2 Gas sensor and method for manufacturing the same 有权
标题翻译：气体传感器及其制造方法
公开(公告)号：US08377274B2
公开(公告)日：2013-02-19
申请号：US12463625
申请日：2009-05-11
申请人： Seiji Ohya , Tomohiro Wakazono , Kenji Kato , Koji Shiotani
发明人： Seiji Ohya , Tomohiro Wakazono , Kenji Kato , Koji Shiotani
IPC分类号： G01N27/407
CPC分类号： G01N27/4075
摘要： A gas sensor including a gas sensor element having a first measurement chamber (16); a first pumping cell (11); a second measurement chamber (18) into which a gas to be measured having a controlled oxygen partial pressure is introduced; and a second pumping cell (13) having a second inner pump electrode (13b) and a second counterpart electrode (13c) pump electrode configured to detect a specific gas component. The second inner pump electrode is made of a material that contains, as a principal ingredient, two kinds of Pt particles having different particle sizes and whose particle size ratio measured by a sedimentation particle-size distribution ranges from 1.75 to 14.2. A mixing ratio between large Pt particles and small Pt particles has a mass ratio of 10/90 to 50/50. A 10 kHz-1 Hz resistance value across the second pumping cell at 600° C. is 150Ω or less.
摘要翻译：一种气体传感器，包括具有第一测量室（16）的气体传感器元件; 第一泵送单元（11）; 引入具有受控氧分压的待测气体的第二测量室（18）; 以及具有第二内泵电极（13b）和配置成检测特定气体成分的第二配对电极（13c）泵浦电极的第二泵浦电池（13）。第二内泵电极由含有不同粒径的两种Pt颗粒作为主要成分的材料制成，其沉降粒度分布测定的粒径比为1.75〜14.2。大Pt颗粒和小Pt颗粒之间的混合比的质量比为10/90至50/50。在600℃下跨越第二抽滤单元的10kHz-1Hz电阻值为150＆OHgr; 或更少。

5. 发明申请

US20090051373A1 GAS SENSOR CONTROL APPARATUS 有权
标题翻译：气体传感器控制装置
公开(公告)号：US20090051373A1
公开(公告)日：2009-02-26
申请号：US12197495
申请日：2008-08-25
申请人： Kenji Kato , Hisashi Sasaki , Koji Shiotani
发明人： Kenji Kato , Hisashi Sasaki , Koji Shiotani
IPC分类号： G01N27/04
CPC分类号： G01N27/4067 , F02D41/1494 , G01N27/4065
摘要： A gas sensor control apparatus for controlling a gas sensor includes a resistance detection unit and a heater control unit. The resistance detection unit detects a resistance of an object cell of the gas sensor. When the resistance of the object cell is lower than a predetermined threshold, the heater control unit controls energization of a heater such that the resistance detected by the resistance detection unit is a first predetermined resistance. Subsequently, after elapse of a predetermined time, the heater control unit further controls energization of the heater in such a manner that the resistance detected by the resistance detection unit is a second predetermined resistance of a resistance value that is higher than that of the first predetermined resistance.
摘要翻译：用于控制气体传感器的气体传感器控制装置包括电阻检测单元和加热器控制单元。电阻检测单元检测气体传感器的对象单元的电阻。当对象单元的电阻低于预定阈值时，加热器控制单元控制加热器的通电，使得由电阻检测单元检测的电阻为第一预定电阻。随后，在经过预定时间之后，加热器控制单元进一步控制加热器的通电，使得由电阻检测单元检测到的电阻是比第一预定值高的电阻值的第二预定电阻抵抗性。

6. 发明授权

US08266953B2 Method and apparatus for detecting abnormality of nitrogen oxide purifying catalyst 有权
标题翻译：用于检测氮氧化物净化催化剂异常的方法和装置
公开(公告)号：US08266953B2
公开(公告)日：2012-09-18
申请号：US12607106
申请日：2009-10-28
申请人： Hisashi Sasaki , Kenji Kato , Koji Shiotani , Takeshi Kawai
发明人： Hisashi Sasaki , Kenji Kato , Koji Shiotani , Takeshi Kawai
IPC分类号： G01M15/04
CPC分类号： B01D53/9495 , B01D53/9418 , B01D53/944 , B01D53/9477 , B01D2251/2067 , B01D2257/404 , F01N3/208 , F01N2560/026 , Y02T10/24
摘要： A method and apparatus for detecting an abnormality of a nitrogen oxide purifying catalyst using an NOx sensor, the method including: calculating a detection integrated value by integrating corresponding values corresponding to the NOx sensor output signal obtained until a first predetermined detection period has elapsed after the NOx sensor begins to generate an output signal and subtracting a variation integrated value. The variation integrated value is calculated by integrating corresponding values obtained until a predetermined second detection period has elapsed after the NOx sensor beings to generate an output signal when driven in a gas atmosphere having a constant nitrogen oxide concentration.
摘要翻译：一种使用NOx传感器检测氮氧化物净化催化剂的异常的方法和装置，所述方法包括：通过对与所获得的NOx传感器输出信号相对应的对应值进行积分，计算检测积分值，直到经过所述第一预定检测周期 NOx传感器开始产生输出信号并减去变化积分值。通过积分所获得的相应值，在NOx传感器出现之后经过预定的第二检测周期以产生在具有恒定的氮氧化物浓度的气体气氛中驱动的输出信号，来计算变化积分值。

7. 发明授权

US08512536B2 NOx sensor and production method thereof 有权
标题翻译： NOx传感器及其生产方法
公开(公告)号：US08512536B2
公开(公告)日：2013-08-20
申请号：US12358678
申请日：2009-01-23
申请人： Kenji Kato , Hisashi Sasaki , Koji Shiotani
发明人： Kenji Kato , Hisashi Sasaki , Koji Shiotani
IPC分类号： G01N27/407 , G01N27/409 , G01N27/41
CPC分类号： G01N33/0037 , G01N27/4074 , G01N27/4075 , G01N27/417 , Y02A50/245
摘要： A NOx sensor includes a sensor element equipped with first and second pumping cells to define first and second measurement chambers. The first pumping cell exerts an oxygen pumping action against the first measurement chamber to adjust the oxygen concentration in the gas under measurement within the first measurement chamber to a given level. The second pumping cell exerts an oxygen pumping action against the second measurement chamber to produce a pumping cell current according to the NOx concentration in the gas under measurement. When the moisture content of the gas under measurement changes from 2 vol % to 8 vol %, the NOx sensor allows a variation of NOx concentration detection value based on the pumping cell current in such a manner that the NOx concentration detection value reaches a transient peak value of 20 ppm or smaller and converges to ±5 ppm of a reference value within 5 seconds.
摘要翻译： NOx传感器包括配备有第一和第二泵浦单元以限定第一和第二测量室的传感器元件。第一泵送单元对第一测量室施加氧气抽吸作用，以将在第一测量室内测量的气体中的氧浓度调节到给定的水平。第二泵送单元对第二测量室施加氧气抽吸作用，以根据测量气体中的NOx浓度产生泵浦电池电流。当测量气体的水分含量从2vol％变化到8vol％时，NOx传感器允许基于泵浦单元电流的NOx浓度检测值的变化，使得NOx浓度检测值达到瞬时峰值值在20ppm以下，并且在5秒内收敛到参考值的±5ppm。

8. 发明授权

US07872480B2 Gas sensor control apparatus 有权
标题翻译：气体传感器控制装置
公开(公告)号：US07872480B2
公开(公告)日：2011-01-18
申请号：US12197495
申请日：2008-08-25
申请人： Kenji Kato , Hisashi Sasaki , Koji Shiotani
发明人： Kenji Kato , Hisashi Sasaki , Koji Shiotani
IPC分类号： G01N27/04
CPC分类号： G01N27/4067 , F02D41/1494 , G01N27/4065
摘要： A gas sensor control apparatus for controlling a gas sensor includes a resistance detection unit and a heater control unit. The resistance detection unit detects a resistance of an object cell of the gas sensor. When the resistance of the object cell is lower than a predetermined threshold, the heater control unit controls energization of a heater such that the resistance detected by the resistance detection unit is a first predetermined resistance. Subsequently, after elapse of a predetermined time, the heater control unit further controls energization of the heater in such a manner that the resistance detected by the resistance detection unit is a second predetermined resistance of a resistance value that is higher than that of the first predetermined resistance.
摘要翻译：用于控制气体传感器的气体传感器控制装置包括电阻检测单元和加热器控制单元。电阻检测单元检测气体传感器的对象单元的电阻。当对象单元的电阻低于预定阈值时，加热器控制单元控制加热器的通电，使得由电阻检测单元检测的电阻为第一预定电阻。随后，在经过预定时间之后，加热器控制单元进一步控制加热器的通电，使得由电阻检测单元检测到的电阻是比第一预定值高的电阻值的第二预定电阻抵抗性。

9. 发明申请

US20090188813A1 NOx SENSOR AND PRODUCTION METHOD THEREOF 有权
标题翻译： NOx传感器及其生产方法
公开(公告)号：US20090188813A1
公开(公告)日：2009-07-30
申请号：US12358678
申请日：2009-01-23
申请人： Kenji Kato , Hisashi Sasaki , Koji Shiotani
发明人： Kenji Kato , Hisashi Sasaki , Koji Shiotani
IPC分类号： G01N27/26
CPC分类号： G01N33/0037 , G01N27/4074 , G01N27/4075 , G01N27/417 , Y02A50/245
摘要： A NOx sensor includes a sensor element equipped with first and second pumping cells to define first and second measurement chambers. The first pumping cell exerts an oxygen pumping action against the first measurement chamber to adjust the oxygen concentration in the gas under measurement within the first measurement chamber to a given level. The second pumping cell exerts an oxygen pumping action against the second measurement chamber to produce a pumping cell current according to the NOx concentration in the gas under measurement. When the moisture content of the gas under measurement changes from 2 vol % to 8 vol %, the NOx sensor allows a variation of NOx concentration detection value based on the pumping cell current in such a manner that the NOx concentration detection value reaches a transient peak value of 20 ppm or smaller and converges to ±5 ppm of a reference value within 5 seconds.
摘要翻译： NOx传感器包括配备有第一和第二泵浦单元以限定第一和第二测量室的传感器元件。第一泵送单元对第一测量室施加氧气抽吸作用，以将在第一测量室内测量的气体中的氧浓度调节到给定的水平。第二泵送单元对第二测量室施加氧气抽吸作用，以根据测量气体中的NOx浓度产生泵浦电池电流。当测量气体的水分含量从2vol％变化到8vol％时，NOx传感器允许基于泵浦单元电流的NOx浓度检测值的变化，使得NOx浓度检测值达到瞬时峰值值在20ppm以下，并且在5秒内收敛到参考值的±5ppm。

10. 发明授权

US09823220B2 NOx concentration detection apparatus and NOx concentration detection method 有权
公开(公告)号：US09823220B2
公开(公告)日：2017-11-21
申请号：US13398095
申请日：2012-02-16
申请人： Kenji Kato , Kouji Shiotani , Takeshi Kawai , Satoshi Teramoto
发明人： Kenji Kato , Kouji Shiotani , Takeshi Kawai , Satoshi Teramoto
IPC分类号： G01N27/419
CPC分类号： G01N27/419
摘要： An apparatus and method for individually detecting NO and NO2 concentrations as NOX components of an object gas. An NO concentration corresponding value is obtained from a first detection element not having a reduction section. An NO concentration corresponding value is obtained from a second detection element having a reduction section, and having an NO2/NO sensitivity ratio greater than that of the first detection element. The difference ΔC between the NO concentration corresponding values of the two detection elements is obtained, and divided by the difference ΔS between the NO2/NO sensitivity ratios of the two detection elements, whereby an NO2 concentration corresponding value is obtained. A value obtained by multiplying the NO2 concentration corresponding value by the NO2/NO sensitivity ratio of the second detection element is subtracted from the NO concentration corresponding value of the second detection element, whereby an NO concentration corresponding value is obtained.

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