公开(公告)号：US20100229724A1

公开(公告)日：2010-09-16

申请号：US12715598

申请日：2010-03-02

Applicant: Masahiro TOKUDA ,  Atsuo Kondo ,  Takeshi Sakuma ,  Takashi Egami

Inventor： Masahiro TOKUDA ,  Atsuo Kondo ,  Takeshi Sakuma ,  Takashi Egami

IPC: B03C3/45 ,  B03C3/68

CPC classification number: G01N27/68 ,  G01N15/0656

Abstract: A particulate matter detection device (100) includes a first electrode (10) that includes a conductive section (12) and a dielectric (14) that covers the conductive section (12), and a second electrode (20) that is disposed opposite to the first electrode (10) at an interval of 0.3 to 3.0 mm. Charged particulate matter contained in a fluid that passes through the space between the first electrode (10) and the second electrode (20), or particulate matter that is contained in a fluid and charged by a discharge that occurs due to application of a voltage between the electrodes (10) and (20) is electrically adsorbed on at least one of the electrodes (10) and (20), and the particulate matter adsorbed on the electrodes (10) and (20) is detected by measuring a change in electrical properties of the first electrode (10), or a change in electrical properties of the electrodes (10) and (20).

Abstract translation: 一种颗粒物质检测装置（100）包括：第一电极（10），其包括导电部分（12）和覆盖所述导电部分（12）的电介质（14）;和第二电极（20） 第一电极（10）以0.3至3.0mm的间隔。 包含在通过第一电极（10）和第二电极（20）之间的空间的流体中的带电粒子物质或由流体中包含的颗粒物质引起的放电，由于施加电压而发生的放电 电极（10）和（20）被电吸附在至少一个电极（10）和（20）上，并且通过测量电极（10）和（20）的电位 第一电极（10）的特性，或电极（10）和（20）的电性能变化。

公开(公告)号：US08382884B2

公开(公告)日：2013-02-26

申请号：US12705271

申请日：2010-02-12

Applicant: Tatsuya Okayama ,  Masanobu Miki ,  Keizo Iwama ,  Hidetaka Ozawa ,  Makoto Hattori ,  Atsuo Kondo ,  Takeshi Sakuma ,  Takashi Egami ,  Masahiro Tokuda

Inventor： Tatsuya Okayama ,  Masanobu Miki ,  Keizo Iwama ,  Hidetaka Ozawa ,  Makoto Hattori ,  Atsuo Kondo ,  Takeshi Sakuma ,  Takashi Egami ,  Masahiro Tokuda

IPC: B03C3/68

CPC classification number: G01N27/226 ,  F02D41/1466 ,  G01N15/0656

Abstract: A PM sensor is provided having high responsiveness and capable of long term detection. A PM sensor includes a sensor element that has particulate collection electrodes to which a particulate collection voltage for causing particulate matter contained in exhaust to adhere to a sensor element is applied, and measurement electrodes to which a measurement voltage for measuring an electrical characteristic of the sensor element is applied, in which, after a particulate collection voltage is applied to the particulate collection electrodes application of the particulate collection voltage is stopped in response to a predetermined condition being satisfied, the measurement voltage is applied to the measurement electrodes and the electrical characteristic of the sensor element is measured.

Abstract translation: 提供具有高响应性并能够进行长期检测的PM传感器。 PM传感器包括具有颗粒收集电极的传感器元件，用于使包含在排气中的颗粒物质附着到传感器元件的颗粒收集电压被施加到该测量电极，测量电极用于测量传感器的电特性 在颗粒收集电压施加到颗粒收集电极之后，响应于满足预定条件停止颗粒收集电压的应用，将测量电压施加到测量电极和电气特性 测量传感器元件。

公开(公告)号：US08307532B2

公开(公告)日：2012-11-13

申请号：US12694502

申请日：2010-01-27

Applicant: Takashi Egami ,  Takeshi Sakuma ,  Masahiro Tokuda ,  Atsuo Kondo

Inventor： Takashi Egami ,  Takeshi Sakuma ,  Masahiro Tokuda ,  Atsuo Kondo

IPC: G01R31/28 ,  B23Q17/00

CPC classification number: F01N13/008 ,  G01N1/2247 ,  G01N1/2252 ,  Y10T29/49002 ,  Y10T29/49004 ,  Y10T29/49771 ,  Y10T29/5313

Abstract: A tubular structure for fixing a particulate matter detection device including a tubular first holding tube having a fixing structure portion at a first end; and a tubular second holding tube having one end fixed to a second end so that the second holding tube is coaxial with the first holding tube. The particulate matter detection device is prolonged in one direction and having a detecting portion for particulate matter, with a takeout portion of a wiring line disposed in the tubular structure so that the detecting portion projects to the outside from the first end and so that the takeout portion is positioned in the second holding tube, and with the particulate matter detection device fixed to a pipe by the fixing structure portion so that the detecting portion is positioned in the pipe.

Abstract translation: 一种用于固定颗粒物检测装置的管状结构，所述颗粒物检测装置包括在第一端具有固定结构部分的管状第一保持管; 以及管状的第二保持管，其一端固定到第二端，使得第二保持管与第一保持管同轴。 颗粒物检测装置在一个方向上延长并具有用于颗粒物质的检测部分，其中布线的取出部分设置在管状结构中，使得检测部分从第一端突出到外部，并且使得外包 部分定位在第二保持管中，并且通过固定结构部分将颗粒物质检测装置固定到管道，使得检测部分位于管中。

公开(公告)号：US08230721B2

公开(公告)日：2012-07-31

申请号：US12715617

申请日：2010-03-02

Applicant: Masahiro Tokuda ,  Takashi Egami ,  Takeshi Sakuma ,  Atsuo Kondo

Inventor： Masahiro Tokuda ,  Takashi Egami ,  Takeshi Sakuma ,  Atsuo Kondo

IPC: G01N37/00

CPC classification number: G01N27/68 ,  G01N15/0656

Abstract: A particulate matter detection device (100) includes a detection device body (1) extending in one direction and having at least one through-hole (2) that is formed at one end (1a), at least one pair of electrodes buried in the wall of the body (1) that defines the through-hole (2), and covered with a dielectric, lines respectively extending from the pair of electrodes toward the other end (1b), a takeout lead terminal (12a) of one electrode of the pair of electrodes disposed on the surface of the other end (1b), a takeout lead terminal (11a) of the other electrode of the pair of electrodes between one end (1a) and the other end (1b), and an electric wire (21) provided with an electric wire securing member (31) at its tip portion, and bonded to the takeout lead terminal (11a) through the electric wire securing member (31).

Abstract translation: 一种颗粒物检测装置（100），包括：检测装置主体（1），其在一个方向上延伸并且具有至少一个形成在一端（1a）的通孔（2），至少一对电极埋在 限定通孔（2）的主体（1）的壁，并且被电介质覆盖，所述电介质分别从所述一对电极延伸到另一端（1b）;一个电极的取出引线端子（12a） 设置在另一端（1b）的表面上的一对电极，一端（1a）和另一端（1b）之间的一对电极的另一电极的取出引线端子（11a）和电线 （21），其前端设有电线固定部件（31），并通过电线固定部件（31）与取出引线端子（11a）接合。

公开(公告)号：US20120055233A1

公开(公告)日：2012-03-08

申请号：US13221979

申请日：2011-08-31

Applicant: Atsuo Kondo ,  Takeshi Sakuma ,  Masahiro Tokuda ,  Takashi Egami ,  Keizo Iwama ,  Masanobu Miki

Inventor： Atsuo Kondo ,  Takeshi Sakuma ,  Masahiro Tokuda ,  Takashi Egami ,  Keizo Iwama ,  Masanobu Miki

IPC: G01N37/00

CPC classification number: G01N15/0656 ,  F01N9/002 ,  F01N2560/05 ,  F01N2560/20

Abstract: A particulate matter detection device includes a plate-like element base material including, on one surface thereof, a formed recess portion to collect a particulate matter; a pair of measurement electrodes arranged on the bottom surface side of the recess portion of the element base material; and a high-voltage dust collection electrode embedded in a wall which forms the recess portion of the element base material on the one surface side of the element base material from a position where the pair of measurement electrodes are arranged. An electric field is generated from the high-voltage dust collection electrode to the pair of measurement electrodes, to collect, on the bottom surface side of the recess portion, the particulate matter flowing along the element base material, and a change of electric characteristics between the pair of measurement electrodes is measured to detect the particulate matter collected on the recess portion.

Abstract translation: 颗粒物检测装置包括：板状元件基材，在其一个表面上具有形成的凹部以收集颗粒物质; 一对测量电极，设置在元件基材的凹部的底面侧; 以及埋设在壁上的高电压集尘电极，其从配置有该对测量电极的位置在元件基材的一个表面侧形成元件基材的凹部。 从高压集尘电极到一对测量电极产生电场，在凹部的底面侧收集沿着元件基材流动的颗粒状物质， 测量该对测量电极以检测在凹部上收集的颗粒物质。

公开(公告)号：US20110252865A1

公开(公告)日：2011-10-20

申请号：US13084809

申请日：2011-04-12

Applicant: Masahiro TOKUDA ,  Satoshi NISHIKAWA ,  Takeshi SAKUMA ,  Takashi EGAMI ,  Atsuo KONDO

Inventor： Masahiro TOKUDA ,  Satoshi NISHIKAWA ,  Takeshi SAKUMA ,  Takashi EGAMI ,  Atsuo KONDO

IPC: G01N27/00

CPC classification number: G01N15/0656

Abstract: The particulate matter detecting device of the present invention includes: a sensor element having a plate-shaped element substrate, at least one pair of measurement electrodes arranged on one end face of this element substrate, a heater electrode arranged on either of end faces or inside of the element substrate, and a plurality of lead terminals arranged on the other end face of the element substrate and electrically connected to each of the measurement electrodes and the heater electrode; and an outer sheath body having a columnar barrel portion and a barrel-portion end face arranged on one end face of the barrel portion, in which the sensor element is arranged in the barrel portion of the outer sheath body such that the pair of measurement electrodes is exposed from an open frontal area of the barrel-portion end face.

Abstract translation: 本发明的颗粒物检测装置包括：具有板状元件基板的传感器元件，布置在该元件基板的一个端面上的至少一对测量电极，设置在端面或内侧的加热器电极 以及多个引线端子，其配置在所述元件基板的另一端面上，与所述测量电极和所述加热电极电连接; 以及外筒体，其具有柱状筒部和设置在筒部的一端面上的筒部端面，其中，传感器元件布置在外护套主体的筒部中，使得一对测量电极 从筒部端面的开放的正面区域露出。

公开(公告)号：US20100229632A1

公开(公告)日：2010-09-16

申请号：US12715644

申请日：2010-03-02

Applicant: Masahiro Tokuda ,  Takeshi Sakuma ,  Takashi Egami ,  Atsuo Kondo

Inventor： Masahiro Tokuda ,  Takeshi Sakuma ,  Takashi Egami ,  Atsuo Kondo

IPC: G01N37/00

CPC classification number: G01N27/60 ,  G01N15/0656 ,  G01N27/68

Abstract: A particulate matter detection device (100) includes a detection device body (1) that has at least one through-hole (2) that is formed at one end of the body (1), a high-voltage electrode (11) and a low-voltage electrode (12) that are buried in the wall of the body (1), a high-voltage takeout lead terminal (11a) that is disposed on the surface of the body (1), a high-voltage takeout lead terminal insulating member (20) that is disposed to cover at least an area in which the lead terminal (11a) is disposed, and a detection device outer tube (30) that is disposed to cover the lead terminal insulating member (20), the device (100) being configured so that particulate matter can be electrically adsorbed on the wall surface of the through-hole (2), and this particulate matter can be detected by measuring a change in electrical properties of the wall that defines the through-hole (2).

Abstract translation: 一种颗粒物检测装置（100），具备检测装置本体（1），该检测装置主体（1）具有形成在主体（1）的一端的至少一个通孔（2），高压电极（11）和 埋置在本体（1）的壁上的低压电极（12），设置在主体（1）的表面上的高压取出引线端子（11a），高压取出引线端子 绝缘构件（20），其设置成至少覆盖设置有引线端子（11a）的区域;以及检测装置外管（30），其设置成覆盖所述引线端子绝缘构件（20），所述装置 （100）被配置为使得颗粒物质可以电吸附在通孔（2）的壁表面上，并且可以通过测量限定通孔的壁的电特性的变化来检测该颗粒物质（ 2）。

公开(公告)号：US20100229631A1

公开(公告)日：2010-09-16

申请号：US12715661

申请日：2010-03-02

Applicant: Masahiro TOKUDA ,  Atsuo Kondo ,  Takeshi Sakuma ,  Takashi Egami

Inventor： Masahiro TOKUDA ,  Atsuo Kondo ,  Takeshi Sakuma ,  Takashi Egami

IPC: G01N37/00

CPC classification number: G01N27/60 ,  G01N15/0656 ,  G01N27/043 ,  G01N27/68

Abstract: A particulate matter detection device (100) includes a detection device body (1) having at least one through-hole (2) formed at one end of the body (1), a pair of electrodes (11, 12) buried in the wall of the body (1) defining the through-hole (2), and covered with a dielectric, and a heating section (13) disposed in the body (1), and adjusting the temperature of the wall defining the through-hole (2), the heating section (13) being covered with a protective layer (15) formed of alumina having a purity of 95% or more, and the particulate matter detection device allowing a particulate matter contained in a fluid that flows into the through-hole (2) to be electrically adsorbed on the wall surface of the through-hole (2), and detecting the mass of the particulate matter adsorbed on the wall surface by measuring a change in electrical properties of the wall.

Abstract translation: 一种颗粒物质检测装置（100），包括：检测装置本体（1），其具有形成在所述主体（1）的一端的至少一个通孔（2）;一对电极（11,12） 限定通孔（2）并被电介质覆盖的主体（1）和设置在主体（1）中的加热部分（13），并且调节限定通孔（2）的壁的温度 ），所述加热部（13）被由纯度为95％以上的氧化铝形成的保护层（15）覆盖，并且所述颗粒物质检测装置允许包含在流入所述通孔的流体中的颗粒物质 （2）被电吸附在通孔（2）的壁表面上，并且通过测量壁的电性能的变化来检测吸附在壁表面上的颗粒物质的质量。

公开(公告)号：US20100229629A1

公开(公告)日：2010-09-16

申请号：US12701774

申请日：2010-02-08

Applicant: Takashi Egami ,  Takeshi Sakuma ,  Masahiro Tokuda ,  Atsuo Kondo

Inventor： Takashi Egami ,  Takeshi Sakuma ,  Masahiro Tokuda ,  Atsuo Kondo

IPC: G01N37/00

CPC classification number: G01N27/68 ,  G01N15/0656

Abstract: A particulate matter detection device 100 includes a first electrode 1 and having one surface covered with a dielectric material; a second electrode 2 which is disposed on the side of the one surface of the first electrode 1 via a space where a gas including a particulate matter flows and which performs one or both of the formation of discharge and an electric field by a voltage applied between the first electrode 1 and the second electrode; a pair of measurement electrodes 5, 15 disposed on the surface of the dielectric material so as to face each other; and a protective film 21 disposed on the surfaces of the pair of measurement electrodes and having a volume resistivity of 10 Ωcm to 1012 Ωcm, and the variate of electric properties between the pair of measurement electrodes is measured, whereby the amount of the collected particulate matter can be obtained.

Abstract translation: 颗粒物质检测装置100包括第一电极1并且具有用电介质材料覆盖的一个表面; 第二电极2，其经由包含颗粒物质的气体流过的空间设置在第一电极1的一个表面侧，并且通过施加在第一电极1的表面之间的电压进行放电和电场之中的一个或两个 第一电极1和第二电极; 设置在电介质材料的表面上彼此面对的一对测量电极5,15; 以及设置在一对测量电极的表面上并具有10Ω·cm·cm〜1012Ω·cm·cm的体积电阻率的保护膜21，并且测量该对测量电极之间的电特性变化，由此， 可以获得收集的颗粒物质。

公开(公告)号：US20100206167A1

公开(公告)日：2010-08-19

申请号：US12705271

申请日：2010-02-12

Applicant: Tatsuya Okayama ,  Masanobu Miki ,  Keizo Iwama ,  Hidetaka Ozawa ,  Makoto Hattori ,  Atsuo Kondo ,  Takeshi Sakuma ,  Takashi Egami ,  Masahiro Tokuda

Inventor： Tatsuya Okayama ,  Masanobu Miki ,  Keizo Iwama ,  Hidetaka Ozawa ,  Makoto Hattori ,  Atsuo Kondo ,  Takeshi Sakuma ,  Takashi Egami ,  Masahiro Tokuda

IPC: B03C3/68

CPC classification number: G01N27/226 ,  F02D41/1466 ,  G01N15/0656

Abstract: A PM sensor is provided having high responsiveness and capable of long term detection. A PM sensor 11 includes a sensor element 12 that has particulate collection electrodes 123A, 128A to which a particulate collection voltage for causing particulate matter contained in exhaust to adhere to a sensor element 12 is applied, and measurement electrodes 127A, 127B to which a measurement voltage for measuring an electrical characteristic of the sensor element 12 is applied, in which, after a particulate collection voltage is applied to the particulate collection electrodes 123A, 128A, application of the particulate collection voltage is stopped in response to a predetermined condition being satisfied, the measurement voltage is applied to the measurement electrodes 127A, 127B, and the electrical characteristic of the sensor element 12 is measured.

Abstract translation: 提供具有高响应性并能够进行长期检测的PM传感器。 PM传感器11包括：传感器元件12，其具有颗粒收集电极123A，128A，用于使排气中所含的颗粒物质附着到传感器元件12上的颗粒收集电压向该微粒收集电极123A，128A;测量电极127A，127B， 施加用于测量传感器元件12的电气特性的电压，其中在颗粒收集电压施加到颗粒收集电极123A，128A之后，响应于满足预定条件停止施加颗粒收集电压， 测量电压被施加到测量电极127A，127B，并且测量传感器元件12的电特性。