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1. 发明授权

US07210333B2 Humidity sensor and method of using the humidity sensor 有权
标题翻译：湿度传感器和使用湿度传感器的方法
公开(公告)号：US07210333B2
公开(公告)日：2007-05-01
申请号：US10857495
申请日：2004-06-01
申请人： Hiroki Fujita , Koichi Fujita , Satoshi Sugaya , Kenji Kato , Ryuji Inoue , Noboru Ishida
发明人： Hiroki Fujita , Koichi Fujita , Satoshi Sugaya , Kenji Kato , Ryuji Inoue , Noboru Ishida
IPC分类号： G01N7/00
CPC分类号： G01N27/121
摘要： A humidity-sensitive porous layer (13) of a humidity-sensitive element section (3) of a humidity sensor (1) is formed of a crystalline phase oxide grains such as Al2O3—SnO2—TiO2 and of a glass phase such as silicate glass covering the crystalline phase. The glass phase contains an alkali metal oxide and/or alkaline earth metal oxide such as Li2O. The humidity sensitive porous layer (13) assumes a skeletal structure that is formed of crystalline phase oxide grains covered or coated with the glass phase. A heater (17) of the humidity sensor is controlled to heat the humidity-sensitive element section (3) at a temperature ranging from 500° C. to 800° C. so as to clean off the humidity-sensitive element section while an internal combustion engine is running and exhausting fouling substances. Measurement of Humidity in an exhaust gas exhausted from an exhaust gas purifying apparatus of an internal combustion engine is carried out by using the humidity sensor (1), so long as the exhaust gas temperature does not exceed 100° C. regardless of whether or not the engine is running.
摘要翻译：湿度传感器（1）的湿度敏感元件部分（3）的湿度敏感多孔层（13）由诸如Al 2 O 3的结晶相氧化物晶粒形成和玻璃相如覆盖结晶相的硅酸盐玻璃。玻璃相含有碱金属氧化物和/或碱土金属氧化物如Li 2 O。湿度敏感多孔层（13）呈现由覆盖或涂覆有玻璃相的结晶相氧化物颗粒形成的骨架结构。控制湿度传感器的加热器（17），以在500℃至800℃的温度范围内加热湿度敏感元件部分（3），从而清洁湿度敏感元件部分，同时内部内燃机正在运行并排出污垢物质。通过使用湿度传感器（1）进行从内燃机的排气净化装置排出的废气中的湿度的测定，只要排气温度不超过100℃即可发动机正在运行。

2. 发明授权

US06812821B2 Humidity sensor 失效
标题翻译：湿度传感器
公开(公告)号：US06812821B2
公开(公告)日：2004-11-02
申请号：US10157134
申请日：2002-05-30
申请人： Hiroki Fujita , Tetsuo Yamada , Satoshi Sugaya , Kenji Kato , Noboru Ishida , Takafumi Oshima
发明人： Hiroki Fujita , Tetsuo Yamada , Satoshi Sugaya , Kenji Kato , Noboru Ishida , Takafumi Oshima
IPC分类号： H01C700
CPC分类号： G01N27/121
摘要： A humidity sensor comprising an insulating substrate, a detection electrodes and a moisture-sensitive layer, wherein the moisture-sensitive layer is a porous layer and has a thickness not greater than 200 &mgr;m.
摘要翻译：一种湿度传感器，包括绝缘基板，检测电极和湿度敏感层，其中所述湿度敏感层是多孔层，并且具有不大于200μm的厚度。

3. 发明授权

US07341694B2 Ammonia sensor 有权
标题翻译：氨传感器
公开(公告)号：US07341694B2
公开(公告)日：2008-03-11
申请号：US10669660
申请日：2003-09-25
申请人： Hiroyuki Nishiyama , Shiro Kakimoto , Ryuji Inoue , Hitoshi Yokoi , Noboru Ishida , Takafumi Oshima , Satoshi Sugaya , Koichi Imaeda , Tadashi Hattori , Atsushi Satsuma
发明人： Hiroyuki Nishiyama , Shiro Kakimoto , Ryuji Inoue , Hitoshi Yokoi , Noboru Ishida , Takafumi Oshima , Satoshi Sugaya , Koichi Imaeda , Tadashi Hattori , Atsushi Satsuma
IPC分类号： G01N27/04 , G01N33/00
CPC分类号： G01N33/0054 , G01N27/4075 , Y02A50/246 , Y10T436/173845 , Y10T436/175383 , Y10T436/25875
摘要： In an ammonia sensor (1), lead portions (7) and (9) are provided on an insulating substrate (5); a pair of comb-shaped electrodes (11) and (13) are connected to the lead portions (7) and (9), respectively; a sensitive layer (15) is provided on the comb-shaped electrodes (11) and (13); and a protective layer (17) is provided on the sensitive layer (15). Particularly, the sensitive layer (15) is formed of a gas-sensitive raw material predominantly containing ZrO2 and containing at least W in an amount of 2 to 40 wt. % as reduced to WO3.
摘要翻译：在氨传感器（1）中，引线部分（7）和（9）设置在绝缘基板（5）上; 一对梳状电极（11）和（13）分别连接到引线部分（7）和（9）; 敏感层（15）设置在梳状电极（11）和（13）上; 并且在敏感层（15）上设置保护层（17）。特别地，敏感层（15）由主要含有ZrO 2的气敏原料形成，至少含有W为2〜40wt。％降低至WO 3。

4. 发明授权

US06695964B1 Method and apparatus for measuring NOx gas concentration 有权
标题翻译：测量NOx气体浓度的方法和装置
公开(公告)号：US06695964B1
公开(公告)日：2004-02-24
申请号：US09588504
申请日：2000-06-07
申请人： Masashi Ando , Noboru Ishida , Satoshi Sugaya , Takafumi Oshima , Norihiko Nadanami , Takaki Ootuka , Yoshikuni Sato , Tatsuo Okumura
发明人： Masashi Ando , Noboru Ishida , Satoshi Sugaya , Takafumi Oshima , Norihiko Nadanami , Takaki Ootuka , Yoshikuni Sato , Tatsuo Okumura
IPC分类号： G01N27407
CPC分类号： G01N27/4074
摘要： Method and sensor for measuring accurate measurement of NOx concentration in an exhaust gas containing O2,H2O, CO2 and NOx and a NOx gas concentration sensor. A first oxygen pump cell sufficiently pumps out oxygen in a measurement gas such as not to decompose NOx. A pair of electrodes is provided on an inner side and an outer side of a second measurement chamber into which the gas is introduced from a first measurement chamber via a diffusion resistance. A voltage is impressed across the paired electrodes for decomposing NOx in the second measurement chamber to dissociate oxygen which causes the current to flow in a second oxygen ion pump cell. The NOx gas concentration is measured for this current. The voltage impressed across the paired electrodes of the second oxygen ion pump cell is set so as not to dissociate H2O and CO2 present in the second measurement chamber.
摘要翻译：用于测量含有O 2，H 2 O，CO 2和NO x以及NOx气体浓度传感器的废气中的NOx浓度的精确测量的方法和传感器。第一氧气泵电池在测量气体中充分抽出氧气，例如不分解NOx。一对电极设置在第二测量室的内侧和外侧，气体通过扩散阻力从第一测量室引入到该第二测量室中。在一对电极上施加电压，用于分解第二测量室中的NOx，以解离氧，这导致电流在第二氧离子泵电池中流动。测量该电流的NOx气体浓度。设置在第二氧离子泵电池的成对电极上施加的电压，以使第二测量室中不存在H 2 O和CO 2。

5. 发明授权

US06344134B1 Method for measuring NOx concentration and NOx concentration sensor 有权
标题翻译： NOx浓度和NOx浓度传感器的测量方法
公开(公告)号：US06344134B1
公开(公告)日：2002-02-05
申请号：US09232001
申请日：1999-01-15
申请人： Tessho Yamada , Noboru Ishida , Toshitaka Matsuura , Yoshiro Noda , Nobuhiro Hayakawa , Norihiko Nadanami , Satoshi Sugaya , Takaki Otsuka , Masashi Ando , Takafumi Oshima
发明人： Tessho Yamada , Noboru Ishida , Toshitaka Matsuura , Yoshiro Noda , Nobuhiro Hayakawa , Norihiko Nadanami , Satoshi Sugaya , Takaki Otsuka , Masashi Ando , Takafumi Oshima
IPC分类号： G01N27407
CPC分类号： G01N27/417
摘要： An apparatus and method using a two-serial space sensor (having first and second internal spaces 2,3) for accurately measuring NOx concentration in gas, e.g., exhausted from an internal combustion engine. Both NOx (nitrogen oxide) and oxygen are forced to be partially dissociated in the first space 2 to an oxygen concentration level of 2×10−7 to 2×10−10 atm by pumping out oxygen from the first space 2. The NOx concentration is determined based on the second current measured in the second space 4 and based on the NO dissociation percentage in the first chamber which is 0.5-50%, or preferably 2-20%. The NOx measurement accuracy is further improved when the above oxygen concentration level is maintained from 2×10−8 to 2×10−9 and the temperature drift of the sensor is maintained within ±5° C. under a sensor temperature range of 700-900° C.
摘要翻译：一种使用两串联空间传感器（具有第一和第二内部空间2,3）的装置和方法，用于精确测量例如从内燃机排出的气体中的NOx浓度。通过从第一空间2中抽出氧，迫使NOx（氮氧化物）和氧在第一空间2中部分地离解为2x10-7至2×10-10大气压的氧浓度水平。基于在第二空间4中测量的第二电流，并且基于第一室中的NO解离百分比为0.5-50％，或优选2-20％。在700-900℃的传感器温度范围内，当上述氧气浓度水平保持在2×10 -8至2×10 -9，并且传感器的温度漂移保持在±5℃以内时，NOx测量精度进一步提高。

6. 发明授权

US5993625A Exhaust gas sensor 失效
标题翻译：废气传感器
公开(公告)号：US5993625A
公开(公告)日：1999-11-30
申请号：US820522
申请日：1997-03-19
申请人： Ryuji Inoue , Yumi Kuroki , Tomohiro Fuma , Shoji Kitanoya , Satoshi Sugaya , Takafumi Oshima
发明人： Ryuji Inoue , Yumi Kuroki , Tomohiro Fuma , Shoji Kitanoya , Satoshi Sugaya , Takafumi Oshima
IPC分类号： G01N27/41 , G01N27/12 , G01N27/407 , G01N27/416 , G01N27/419
CPC分类号： G01N27/4074 , G01N27/419
摘要： In accordance with the present invention, there is provided an exhaust gas sensor which comprises an oxygen pump cell made of solid electrolyte having an oxygen ion conductivity, an oxygen sensor cell made of solid electrolyte having an oxygen ion conductivity and disposed in opposition to the pump cell in such a manner as to define therebetween a detection space, and a semiconductor detection element made of oxide semiconductor and disposed in the detection space for detecting a predetermined detected substance in the exhaust gas introduced to the detection space. The concentration of oxygen in the detection space is regulated so as to be included within a predetermined range through control of charge or discharge of oxygen into or from the detection space by means of the oxygen pump cell on the basis of the concentration of oxygen in the exhaust gas, which is detected by the oxygen sensor cell.
摘要翻译：根据本发明，提供了一种废气传感器，其包括由具有氧离子传导性的固体电解质制成的氧气泵电池，由具有氧离子传导性的固体电解质制成的氧传感器电池并且与泵以在其间限定检测空间的方式，以及由氧化物半导体制成的半导体检测元件，并设置在检测空间中，用于检测引入检测空间的排气中的预定检测物质。调节检测空间中的氧浓度以便通过基于氧泵的浓度通过氧泵电池的控制将氧气进入或从检测空间排出来进入到预定范围内废气，其由氧传感器单元检测。

7. 发明授权

US06883371B2 Humidity sensor 失效
标题翻译：湿度传感器
公开(公告)号：US06883371B2
公开(公告)日：2005-04-26
申请号：US09971711
申请日：2001-10-09
申请人： Satoshi Sugaya , Tetsuo Yamada , Noboru Ishida
发明人： Satoshi Sugaya , Tetsuo Yamada , Noboru Ishida
IPC分类号： G01N27/04 , G01N27/12 , G01N7/00
CPC分类号： G01N27/121
摘要： A humidity sensor including an insulating substrate, and a lower electrode formed from a noble metal, a moisture sensitive layer formed of a porous body predominantly containing alumina and containing predetermined amounts of TiO2 and SnO2 and an upper electrode formed of a noble metal porous body successively formed on the insulating substrate. The upper electrode is connected to the moisture sensitive layer and a portion of the insulating substrate. Preferably, the lower electrode is formed of a porous body. More preferably, the lower and upper electrodes are formed from Pt. Furthermore, preferably, a heater and a temperature measurement resistor are provided in the insulating substrate and are located directly below the moisture sensitive layer.
摘要翻译：一种湿度传感器，包括绝缘基板和由贵金属形成的下电极，由主要含有氧化铝并含有预定量的TiO 2和SnO 2的多孔体形成的湿度敏感层和由绝缘基板上依次形成的贵金属多孔体形成的上电极。上电极连接到湿敏层和绝缘基板的一部分。优选地，下电极由多孔体形成。更优选地，下电极和上电极由Pt形成。此外，优选地，在绝缘基板中设置加热器和温度测量电阻器，并且位于湿敏层的正下方。

8. 发明授权

US06743352B2 Method and apparatus for correcting a gas sensor response for moisture in exhaust gas 有权
标题翻译：用于校正废气中的湿气的气体传感器响应的方法和装置
公开(公告)号：US06743352B2
公开(公告)日：2004-06-01
申请号：US10066684
申请日：2002-02-06
申请人： Masashi Ando , Noboru Ishida , Satoshi Sugaya , Takafumi Oshima , Norihiko Nadanami , Takaki Otsuka , Yoshikuni Sato , Tatsuo Okumura , Yasuhisa Kuzuya
发明人： Masashi Ando , Noboru Ishida , Satoshi Sugaya , Takafumi Oshima , Norihiko Nadanami , Takaki Otsuka , Yoshikuni Sato , Tatsuo Okumura , Yasuhisa Kuzuya
IPC分类号： G01N27407
CPC分类号： F01N3/2066 , F01N3/0842 , F01N3/0871 , F01N11/00 , F01N2550/02 , F01N2550/03 , F01N2560/026 , F01N2570/14 , F01N2610/03 , F02D41/146 , F02D41/2474 , F02D41/28 , G01N27/4175 , G01N27/419 , G01N33/0037 , Y02A50/2344 , Y02A50/245 , Y02T10/24 , Y02T10/47
摘要： A method for detecting the concentration of a specific gas (NOx) in an engine exhaust gas using a gas sensor and a process of correcting the gas sensor. According to the correcting process, the amount of moisture in the exhaust gas is estimated, then a a gas concentration detection signal output by the gas sensor on the basis of an estimated amount of moisture is corrected. Finally, the effect of the amount of moisture in the exhaust gas is removed or reduced from the detected value of gas concentration.
摘要翻译：一种使用气体传感器检测发动机排气中的特定气体（NOx）的浓度的方法和校正气体传感器的处理。根据校正处理，对废气中的水分量进行推定，校正气体传感器基于估计的水分量输出的气体浓度检测信号。最后，对湿度的影响废气从气体浓度的检测值中除去或减少。

9. 发明授权

US06375828B2 Methods and apparatus for measuring NOx gas concentration, for detecting exhaust gas concentration and for calibrating and controlling gas sensor 失效
标题翻译：用于测量NOx气体浓度的方法和装置，用于检测废气浓度和校准和控制气体传感器
公开(公告)号：US06375828B2
公开(公告)日：2002-04-23
申请号：US09045938
申请日：1998-03-23
申请人： Masashi Ando , Noboru Ishida , Satoshi Sugaya , Takafumi Oshima , Norihiko Nadanami , Takaki Otsuka , Yoshikuni Sato , Tatsuo Okumura , Yasuhisa Kuzuya
发明人： Masashi Ando , Noboru Ishida , Satoshi Sugaya , Takafumi Oshima , Norihiko Nadanami , Takaki Otsuka , Yoshikuni Sato , Tatsuo Okumura , Yasuhisa Kuzuya
IPC分类号： G01N27407
CPC分类号： F01N3/2066 , F01N3/0842 , F01N3/0871 , F01N11/00 , F01N2550/02 , F01N2550/03 , F01N2560/026 , F01N2570/14 , F01N2610/03 , F02D41/146 , F02D41/2474 , F02D41/28 , G01N27/4175 , G01N27/419 , G01N33/0037 , Y02A50/2344 , Y02A50/245 , Y02T10/24 , Y02T10/47
摘要： A nitrogen oxide concentration detector has a first measurement chamber 2 into which is introduced a measurement gas via a first diffusion resistance 1; an oxygen concentration detection electrode 7a for measuring the oxygen concentration in the measurement gas in said first measurement chamber 1; a first oxygen ion pump cell 6 for pumping out oxygen in the measurement gas from said first measurement chamber 2 based on the potential of said oxygen concentration detection electrode 7a; a second measurement chamber 8 into which the gas is introduced from said first measurement chamber 2 via a second diffusion resistance 3; and a second oxygen ion pump cell 8 having a pair of electrodes 8a,8b across which a voltage is applied to decompose NOx in the second measurement chamber 4 to pump out dissociated oxygen to cause a circuit Ip2 corresponding to the NOx concentration to flow in the second oxygen ion pump cell 8. Variation of NOx concentration is a function of variation of Ip2. The concentration obtained based on the Ip2 is corrected responsive to the oxygen concentration in the measurement gas. Particularly, a coefficient of the variation of the Ip2, gain, in said function is corrected responsive to the oxygen concentration in the measurement gas.
摘要翻译：氮氧化物浓度检测器具有通过第一扩散电阻1引入测量气体的第一测量室2; 用于测量所述第一测量室1中的测量气体中的氧浓度的氧浓度检测电极7a; 第一氧离子泵电池6，用于根据所述氧浓度检测电极7a的电位从所述第一测量室2抽出测量气体中的氧; 第二测量室8，通过第二扩散电阻3从所述第一测量室2引入气体; 以及第二氧离子泵电池8，具有一对电极8a，8b，施加电压以分解第二测量室4中的NOx，以排出解离的氧，使得与NOx浓度对应的电路Ip2流入第二氧离子泵电池8. NOx浓度的变化是Ip2变化的函数。响应于测量气体中的氧浓度校正基于Ip2获得的浓度。特别地，响应于测量气体中的氧浓度来校正所述功能中的Ip2增益的变化系数。

10. 发明授权

US06635162B2 Gas sensor 有权
标题翻译：气体传感器
公开(公告)号：US06635162B2
公开(公告)日：2003-10-21
申请号：US09397931
申请日：1999-09-17
申请人： Satoshi Sugaya , Norihiko Nadanami , Noboru Ishida , Takafumi Oshima
发明人： Satoshi Sugaya , Norihiko Nadanami , Noboru Ishida , Takafumi Oshima
IPC分类号： G01N27407
CPC分类号： G01N27/417
摘要： A gas sensor having a laminate structure composed of thin sheets of solid electrolyte and including a cavity portion 21 and an oxygen concentration cell 5. The oxygen concentration in the cavity portion 21 is held constant. The oxygen concentration cell 5 includes an active electrode 12 having a relatively high catalytic capability with respect to NOx or combustible gas and an inner common electrode 13/15 (serving as an inactive electrode and an oxygen-concentration-sensing electrode) having a relatively low catalytic capability with respect to NOx or combustible gas. The oxygen concentration cell 5 is disposed in the gas sensor so as to be exposed to the interior of the cavity portion 21. The concentration of NOx or combustible gas is determined based on an electromotive force (of the order of mV) generated between the active electrode 12 and the inner common electrode 13/15 by a concentration cell effect.
摘要翻译：具有由固体电解质薄片构成的层叠结构的气体传感器，包括空腔部21和氧浓度电池5.空腔部21中的氧浓度保持恒定。氧浓度单元5包括相对于NOx或可燃性气体具有相对较高的催化能力的有源电极12和具有相对低的可燃气体的内部公共电极13/15（用作非活性电极和氧浓度感测电极）相对于NOx或可燃气体的催化能力。氧气浓度单元5设置在气体传感器中以暴露于空腔部分21的内部。NOx或可燃气体的浓度基于在活性物质之间产生的电动势（大约mV）电极12和内部公共电极13/15。

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