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11.发明授权Methods and apparatus for measuring NOx gas concentration, for detecting exhaust gas concentration and for calibrating and controlling gas sensor 失效用于测量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：US06923902B2
公开(公告)日：2005-08-02
申请号：US10066638
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： F01N3/08 , F01N3/20 , F01N11/00 , F02D41/14 , F02D41/24 , G01N27/417 , G01N27/419 , G01N33/00 , G01N27/41
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 component in gas discharged from an internal combustion engine, which includes detecting the concentration of the specific component under certain driving conditions to determine a zero point, which indicates a zero concentration of the specific component, of the detection output; calibrating the detection output of the gas sensor based on the determined zero point; and detecting the concentration of the specific component in exhaust gas based on the calibrated detection output.
摘要翻译： 一种检测从内燃机排出的气体中的特定成分的浓度的方法，其特征在于，在特定的驱动条件下，检测特定成分的浓度，以确定表示该特定成分的零浓度的零点 检测输出; 基于确定的零点校准气体传感器的检测输出; 并基于校准的检测输出来检测废气中特定成分的浓度。
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公开(公告)号：US06214208B1
公开(公告)日：2001-04-10
申请号：US08982869
申请日：1997-12-02
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 , Y10T436/179228
摘要： This is a method and apparatus for accurately determining a NOx concentration of a measurement gas that contains H2O and/or CO2, without being affected by a dissociation of H2O and/or CO2. In this method and apparatus, (1) the NOx-measurement gas containing H2O and/or CO2 is introduced to travel through a heated flow channel formed by an oxygen ion conductive solid ceramic electrolyte body that electrically control amount of O2 from the flow channel, (2) while said measurement gas travels, a residual gas including NO and H2O and/or CO2 is formed from the measurement gas, (3) said residual gas is flowed to contact a catalytic electrode to which a negative polarity of a low voltage that does not dissociate H2O and/or CO2 but dissociates NO is applied, so that said electrode dissociates a NO gas of the residual gas into N ions and O ions and flows an electric current through the electrolyte body in proportion to an amount of the O ions dissociated from said residual gas at the electrode, and (4) the NOx concentration in the measurement gas is determined based on the current. The low voltage preferably applied in the above (3) is about 350-450 mV.
摘要翻译： 这是一种用于精确地测定含有H 2 O和/或CO 2的测量气体的NOx浓度而不受H 2 O和/或CO 2离解影响的方法和装置。在该方法和装置中，（1）NOx测量 引入含有H 2 O和/或CO 2的气体通过由氧离子导电固体陶瓷电解质体形成的加热流动通道，该氧气离子传导性固体陶瓷电解质体从流动通道电气控制O2的量，（2）当所述测量气体行进时，残留气体包括 从测量气体形成NO和H 2 O和/或CO 2，（3）所述残留气体流动以接触催化电极，在该催化电极处施加不分离H 2 O和/或CO 2但解离NO的低电压的负极性 使得所述电极将残留气体的NO气体分解为N离子和O离子，并且与电极处的所述残留气体分离的O离子的量成比例地流过电解质体，并且（ 4）测定气体中的NOx浓度基于电流来确定。上述（3）中优选施加的低电压为约350〜450mV。
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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。
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公开(公告)号：US06892565B2
公开(公告)日：2005-05-17
申请号：US10379202
申请日：2003-03-06
申请人： Yoshikuni Sato , Hideki Ishikawa , Morio Onoda , Takeshi Morita , Noboru Ishida
发明人： Yoshikuni Sato , Hideki Ishikawa , Morio Onoda , Takeshi Morita , Noboru Ishida
IPC分类号： G01N29/02 , G01N29/032 , G01N29/22
CPC分类号： G01N29/032 , G01N29/02 , G01N29/222 , G01N2291/0215 , G01N2291/02809 , G01N2291/02845 , G01N2291/045
摘要： A gas sensor includes an element case 42 with an internal peripheral surface formed as a taper surface 100. A portion of a housing section 43 surrounded by the taper surface 100 and a protective film 48 is filled with a filler 49. When the filler 49 thermally expands at high temperature, the filler 49 is subjected to a component of force in an upward direction by the taper surface 100. Therefore, projection of an element portion 44 involving deformation of the protective film 48 is suppressed, a change ΔL of a propagation distance L to a reflecting section 33 is also suppressed, and a detection accuracy never decreases. In addition, reverberation is reduced.
摘要翻译： 气体传感器包括具有形成为锥形表面100的内周面的元件壳体42。 被锥形表面100包围的容纳部分43的一部分和保护膜48填充有填充物49。 当填料49在高温下热膨胀时，通过锥形表面100使填料49向上的方向受到力的分量。 因此，抑制涉及保护膜48的变形的元件部44的突出，也抑制了与反射部33的传播距离L的变化量ΔL，并且检测精度不会降低。 此外，混响减少。
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公开(公告)号：US08558441B2
公开(公告)日：2013-10-15
申请号：US12749656
申请日：2010-03-30
IPC分类号： H01T13/20
摘要： A plasma jet ignition plug including a wire-wound resistor for restraining the radiation of noise while allowing application of a sufficiently large current for generation of plasma to a spark discharge gap at the time of ignition. The wire-wound resistor having an inductance of 1 μH to 100 μH inclusive and a resistance of 1Ω or less, and is provided on at least one of a center electrode and a ground electrode. The wire-wound resistor restrains current which is generated by the influence of stray capacitance present in the plasma jet ignition plug, thereby reducing noise.
摘要翻译： 一种等离子喷射火花塞，其包括用于抑制噪声辐射的绕线电阻器，同时允许在点火时施加足够大的电流以产生等离子体到火花放电间隙。 所述绕线电阻体的电感为1〜100μH，电阻为10meg以下，并且设置在中心电极和接地电极中的至少一方。 绕线电阻器抑制由等离子喷射火花塞中存在的杂散电容的影响而产生的电流，从而降低噪声。
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公开(公告)号：US08196557B2
公开(公告)日：2012-06-12
申请号：US13038442
申请日：2011-03-02
摘要： A plasma jet ignition plug including an insulator having an axial hole extending therethrough in the direction of an axis CL1, a center electrode inserted into the axial hole, and a ground electrode disposed frontward of the front end of the insulator. The insulator has a cavity defined by the wall surface of the axial hole and the front end surface of the center electrode and opens frontward. The ground electrode has a through hole for establishing communication between the cavity and an ambient atmosphere. A front end portion of the center electrode is formed into a taper portion whose diameter reduces frontward in the direction of the axis CL1. The outside diameter of a front end of the taper portion is smaller than the diameter of the through hole. The cavity has a substantially constant diameter with respect to the direction of the axis CL1.
摘要翻译： 一种等离子体火花塞，包括具有沿轴线CL1的方向延伸穿过的轴向孔的绝缘体，插入到轴向孔中的中心电极和设置在绝缘体前端的接地电极。 绝缘体具有由轴孔的壁面和中心电极的前端面形成的空腔，向前开口。 接地电极具有用于在空腔和周围环境之间建立连通的通孔。 中心电极的前端部形成为直径在轴线CL1的方向上向前减小的锥形部。 锥形部分的前端的外径小于通孔的直径。 空腔相对于轴线CL1的方向具有基本恒定的直径。
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17.发明申请公开(公告)号：US20120013262A1
公开(公告)日：2012-01-19
申请号：US13176988
申请日：2011-07-06
IPC分类号： F02P3/09
摘要： An ignition apparatus for an ignition plug which uses a positive polarity power supply, which can cause the ignition plug to generate spark discharge while using its center electrode as a negative electrode, and which can adjust the timing of supply of electric energy to the ignition plug and the timing of charging of capacitors. The ignition apparatus is adapted to cause the ignition plug to generate spark discharge while using its center electrode as a negative electrode, and includes a positive power supply, and energy supply units. Each energy supply unit includes a capacitor connected at one end to the power supply and connected at the other end to the ignition plug; a switching unit for charging; and a switching unit for energy supply.
摘要翻译： 一种使用正极性电源的火花塞点火装置，其可以使火花塞在使用其中心电极作为负极时产生火花放电，并且可以调节向火花塞供电的时间 和电容充电的时间。 点火装置适于使火花塞在使用其中心电极作为负极时产生火花放电，并且包括正电源和能量供应单元。 每个能量供应单元包括在一端连接到电源并且在另一端连接到火花塞的电容器; 用于充电的开关单元; 以及用于能量供应的开关单元。
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公开(公告)号：US20110221327A1
公开(公告)日：2011-09-15
申请号：US13038442
申请日：2011-03-02
IPC分类号： H01T13/20
摘要： A plasma jet ignition plug including an insulator having an axial hole extending therethrough in the direction of an axis CL1, a center electrode inserted into the axial hole, and a ground electrode disposed frontward of the front end of the insulator. The insulator has a cavity defined by the wall surface of the axial hole and the front end surface of the center electrode and opens frontward. The ground electrode has a through hole for establishing communication between the cavity and an ambient atmosphere. A front end portion of the center electrode is formed into a taper portion whose diameter reduces frontward in the direction of the axis CL1. The outside diameter of a front end of the taper portion is smaller than the diameter of the through hole. The cavity has a substantially constant diameter with respect to the direction of the axis CL1.
摘要翻译： 一种等离子体火花塞，包括具有沿轴线CL1的方向延伸穿过的轴向孔的绝缘体，插入到轴向孔中的中心电极和设置在绝缘体前端的接地电极。 绝缘体具有由轴孔的壁面和中心电极的前端面形成的空腔，向前开口。 接地电极具有用于在空腔和周围环境之间建立连通的通孔。 中心电极的前端部形成为直径在轴线CL1的方向上向前减小的锥形部。 锥形部分的前端的外径小于通孔的直径。 空腔相对于轴线CL1的方向具有基本上恒定的直径。
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19.发明申请公开(公告)号：US20090302733A1
公开(公告)日：2009-12-10
申请号：US12474558
申请日：2009-05-29
申请人： Kenji Nunome , Yoshikuni Sato
发明人： Kenji Nunome , Yoshikuni Sato
摘要： A spark plug having a center electrode; an insulator having an axial hole extending in the direction of an axis; a metallic shell; a ground electrode extending from a front end portion of the metallic shell; a center-electrode-side noble metal chip joined to a distal end surface of the center electrode; and a ground-electrode-side noble metal chip joined to a distal end surface of the ground electrode, the ground-electrode-side noble metal chip having a distal end surface facing toward a side surface portion of the center-electrode-side noble metal chip, and the ground electrode being bent at an angle that falls within a range of 120° to 140° inclusive.
摘要翻译： 具有中心电极的火花塞; 具有沿轴线方向延伸的轴向孔的绝缘体; 金属壳; 从所述金属壳的前端部延伸的接地电极; 接合到所述中心电极的远端表面的中心电极侧贵金属芯片; 以及与接地电极的前端面接合的接地电极侧贵金属芯片，所述接地电极侧贵金属芯片具有与中心电极侧贵金属的侧面部相对的前端面 芯片，并且接地电极以包含120°至140°的范围内的角度弯曲。
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公开(公告)号：US20070125663A1
公开(公告)日：2007-06-07
申请号：US11605257
申请日：2006-11-29
申请人： Takeo Sasanuma , Yoshikuni Sato , Yuki Mizuno
发明人： Takeo Sasanuma , Yoshikuni Sato , Yuki Mizuno
CPC分类号： G01N27/14 , F01N3/2066 , F01N11/00 , F01N2610/02 , F01N2900/1818
摘要： A liquid-condition detection element is provided which exhibits good sensitivity while having appropriate strength. The detector element forms part of a liquid-condition detection sensor in which breakage of the detection element is combated and which can accurately detect the condition of liquid. The detection element includes first and second ceramic insulating layers formed by simultaneous firing and a heat-generating resistor sealed in a liquid tight manner between the insulating layers. The resistor has a resistance varying with temperature, and is, in use, immersed in liquid. The first insulating layer is thinner than the second layer. A detection section of the liquid-condition detection sensor detects the condition of a liquid (e.g., the concentration of a particular component in the liquid) on the basis of an output signal from the heat-generating resistor.
摘要翻译： 提供了具有良好的灵敏度同时具有适当强度的液体状态检测元件。 检测器元件形成液体状态检测传感器的一部分，其中检测元件的断裂被打击并且可以精确地检测液体的状况。 检测元件包括通过同时烧制形成的第一和第二陶瓷绝缘层和在绝缘层之间以液密方式密封的发热电阻器。 电阻器具有随温度变化的电阻，并且在使用中浸没在液体中。 第一绝缘层比第二层薄。 液体状态检测传感器的检测部根据来自发热电阻器的输出信号来检测液体的状态（例如液体中特定成分的浓度）。
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