公开(公告)号：US5736809A

公开(公告)日：1998-04-07

申请号：US676840

申请日：1996-07-08

Applicant: Wataru Matsutani ,  Kozo Amano

Inventor： Wataru Matsutani ,  Kozo Amano

IPC: H01T13/20 ,  H01T13/39 ,  H01T13/46 ,  H01T21/02

CPC classification number: H01T13/39 ,  H01T21/02

Abstract: In a spark plug having a noble metal layer disposed on a firing end of an electrode, the noble metal layer being laser welded to the firing end of the electrode, and subsequently heat treated to increase a crystallized granulation particle size of the noble metal layer.

Abstract translation: 在具有设置在电极的烧成端上的贵金属层的火花塞中，将贵金属层激光焊接到电极的烧成端，然后进行热处理，以提高贵金属层的结晶造粒粒径。

公开(公告)号：US5607605A

公开(公告)日：1997-03-04

申请号：US499217

申请日：1995-07-07

Applicant: Mamoru Musasa ,  Wataru Matsutani

Inventor： Mamoru Musasa ,  Wataru Matsutani

IPC: B23K26/00 ,  B23K26/02 ,  B23K26/03 ,  B23K26/32 ,  G06T1/00

CPC classification number: B23K26/032

Abstract: In a laser welding member, a photographing device is provided to photograph plasma caused by exposing laser beams to an object. An image processing member is provided to measure at least one of an area and height of a plasma image photographed by the photographing member. A distinction member is provided to compare a value measured by the image processing member with an allowable value so as to asses the laser welding condition.

Abstract translation: 在激光焊接部件中，设置拍摄装置以将激光束照射到物体上来照射等离子体。 提供一种图像处理部件，用于测量由拍摄部件拍摄的等离子体图像的面积和高度中的至少一个。 提供了一种区别部件，用于将由图像处理部件测量的值与允许值进行比较，以便评估激光焊接条件。

公开(公告)号：US5395273A

公开(公告)日：1995-03-07

申请号：US118623

申请日：1993-09-10

Applicant: Wataru Matsutani

Inventor： Wataru Matsutani

IPC: H01T13/20 ,  H01T21/02

CPC classification number: H01T21/02

Abstract: In a method of making a spark plug electrode, an electrode blank is prepared to have a firing portion at one end of the electrode blank. A recess is provided at the firing portion of the electrode blank. A noble metal material is placed in the recess. Laser beams are applied on the noble metal material in the recess to melt 70%.about.100% by weight of the noble metal material to form a noble metal tip. A component of the electrode blank is formed from a clad metal wherein the clad metal is thermally fused to the noble metal tip to form a fused portion, such that the clad metal comprises 0.5%.about.80% of the total weight of the fused portion.

Abstract translation: 在制造火花塞电极的方法中，制备电极坯以在电极坯的一端具有烧制部分。 在电极坯的点火部分设有凹部。 将贵金属材料放置在凹槽中。 将激光束施加在凹部中的贵金属材料上，以熔化贵重金属材料的重量百分比70％的差异，形成贵金属尖端。 电极坯料的一个部件由复合金属形成，其中复合金属被热熔合到贵金属电极头以形成熔融部分，使得复合金属包含熔融部分总重量的0.5％的差异。

公开(公告)号：US08465636B2

公开(公告)日：2013-06-18

申请号：US12390567

申请日：2009-02-23

Applicant: Satoshi Sugaya ,  Shiro Kakimoto ,  Hiroyuki Nishiyama ,  Wataru Matsutani

Inventor： Satoshi Sugaya ,  Shiro Kakimoto ,  Hiroyuki Nishiyama ,  Wataru Matsutani

IPC: G01N27/407

CPC classification number: G01N27/4077 ,  G01N27/4075 ,  G01N33/0054 ,  Y02A50/246

Abstract: An ammonium gas sensor is provided. The ammonium gas sensor includes: a solid electrolyte layer having oxygen ion conductivity; a detection electrode formed on one surface of the solid electrolyte layer; a reference electrode that is a counter electrode of the detection electrode; a selective reaction layer covering the detection electrode; and a protection layer covering the selective reaction layer and made from a porous material; wherein the detection electrode includes a noble metal as a main component; the selective reaction layer includes oxide represented by AxMyOz as a main component, where A is one or more kind(s) of metal, M is vanadium, tungsten, or molybdenum and x, y, z are atomic ratios; and the protection layer includes the oxide that is in an amount smaller than a content of the oxide included in the selective reaction layer.

Abstract translation: 提供了一种铵气体传感器。 铵气体传感器包括：具有氧离子传导性的固体电解质层; 形成在所述固体电解质层的一个表面上的检测电极; 作为检测电极的对电极的参考电极; 覆盖检测电极的选择性反应层; 以及覆盖选择性反应层并由多孔材料制成的保护层; 其中所述检测电极包括贵金属作为主要成分; 选择性反应层包括由AxMyOz表示的氧化物作为主要成分，其中A是一种或多种金属，M是钒，钨或钼，x，y，z是原子比; 并且保护层包括的量小于选择性反应层中包含的氧化物的含量的氧化物。

公开(公告)号：USRE43758E1

公开(公告)日：2012-10-23

申请号：US11495524

申请日：2006-07-31

Applicant: Wataru Matsutani ,  Junichi Kagawa

Inventor： Wataru Matsutani ,  Junichi Kagawa

IPC: H01T13/20 ,  H01T13/39

Abstract: Spark plug has a central electrode, an insulator provided exterior to the central electrode, main metallic shell provided exterior to the insulator in such a way that the central electrode protrudes from one end, and a ground electrode coupled at one end to the main metallic shell and which has the other end disposed to face the central electrode 3, with a chip being secured to either the central electrode or the ground electrode or both to form spark discharge gap g. The chip is made of a metal based on Ir which contains Rh in an amount ranging from 3 to 50 wt (50 wt % being not inclusive).

Abstract translation: 火花塞具有中心电极，设置在中心电极外部的绝缘体，主金属外壳设置在绝缘体的外部，使得中心电极从一端突出，并且接地电极在一端连接到主金属外壳 并且其另一端设置为面对中心电极3，其中芯片固定到中心电极或接地电极或两者以形成火花放电间隙g。 该芯片由Ir含量为3〜50重量％（不包括50重量％）的Rh构成。

公开(公告)号：US07847472B2

公开(公告)日：2010-12-07

申请号：US11882360

申请日：2007-08-01

Applicant: Akira Suzuki ,  Wataru Matsutani

Inventor： Akira Suzuki ,  Wataru Matsutani

IPC: H01T13/20

CPC classification number: H01T21/02 ,  H01T13/39

Abstract: A spark plug including: a center electrode; an insulator which holds the center electrode therein in a state where a tip end portion of the center electrode protrudes therefrom; a metal shell which holds the insulator therein; a ground electrode which is fixed to the metal shell, the ground electrode having an inner side face having a width that is smaller as it advances toward a tip end side, in a portion of the inner side face positioned between a pair of tapered faces; and a discharge portion which is bonded to the inner side face of the ground electrode by laser welding so as to attain a diameter of 0.8 mm or less and a height of 0.5 mm or more, and a discharge gap being formed between the discharge portion and the tip end portion of said center electrode.

Abstract translation: 一种火花塞，包括：中心电极; 在中心电极的前端部突出的状态下将中心电极保持在其中的绝缘体; 一个将绝缘体固定在其中的金属外壳; 所述接地电极固定在所述金属壳体上，所述接地电极具有内侧面，所述接地电极的内侧面位于一对锥面之间，所述内侧面的前端朝向前端侧具有较小的宽度; 以及通过激光焊接结合到接地电极的内侧面的排出部分，以获得0.8mm以下的直径和0.5mm以上的高度，并且在排出部和 所述中心电极的前端部。

公开(公告)号：US07550906B2

公开(公告)日：2009-06-23

申请号：US11071202

申请日：2005-03-04

Applicant: Osamu Yoshimoto ,  Wataru Matsutani

Inventor： Osamu Yoshimoto ,  Wataru Matsutani

IPC: H01T13/20 ,  H01T21/02

CPC classification number: H01T13/39 ,  H01T21/02

Abstract: A noble-metal chip (30, 90) joined to at least either a center electrode or a ground electrode, the center and ground electrodes forming a spark discharge gap, and having a circumferential edge of its facing end surface (31, 91) removed so as to form an edge-removed portion (32, 92). The edge-removal length is 0.01 mm or more and a ratio of the edge-removal length to a radius of the noble-metal chip is less than 0.3. The noble-metal chip is made of iridium or an alloy that contains iridium man amount of 70% by weight or more, and crystal grains constituting the noble-metal chip (30, 90) extends in the axial direction. Also disclosed is a method for manufacturing the spark plug.

Abstract translation: 已经连接到中心电极或接地电极中的至少一个的贵金属芯片（30,90），形成火花放电间隙的中心接地电极和接地电极，并且具有其相对端面（31,91）的周向边缘被去除 以形成边缘去除部分（32,92）。 边缘去除长度为0.01mm以上，边缘去除长度与贵金属芯片的半径的比例小于0.3。 贵金属片由铱或含有铱人数为70重量％以上的合金构成，构成贵金属片（30,90）的晶粒沿轴向延伸。 还公开了一种用于制造火花塞的方法。

公开(公告)号：US20090014331A1

公开(公告)日：2009-01-15

申请号：US12170707

申请日：2008-07-10

Applicant: Satoshi SUGAYA ,  Hiroyuki Nishiyama ,  Wataru Matsutani ,  Shiro Kakimoto ,  Hitoshi Yokoi

Inventor： Satoshi SUGAYA ,  Hiroyuki Nishiyama ,  Wataru Matsutani ,  Shiro Kakimoto ,  Hitoshi Yokoi

IPC: G01N27/26

CPC classification number: G01N33/0054 ,  G01N27/4075 ,  Y02A50/246

Abstract: An ammonia gas sensor which includes a solid electrolyte member (310) extending in an axial direction; a reference electrode (320) provided on the solid electrolyte member (310); and a detection electrode (331) and a selective reaction layer (340) provided on the solid electrolyte member (310). The detection electrode serves as a counterpart of the reference electrode (320). The detection electrode (331) contains a noble metal as a predominant component, and the selective reaction layer (340) contains a metal oxide as a predominant component.

Abstract translation: 一种氨气传感器，包括沿轴向延伸的固体电解质构件（310） 设置在固体电解质构件（310）上的参考电极（320）; 以及设置在固体电解质构件（310）上的检测电极（331）和选择性反应层（340）。 检测电极用作参考电极（320）的对应物。 检测电极（331）含有贵金属作为主要成分，选择性反应层（340）含有作为主要成分的金属氧化物。

公开(公告)号：US20090014330A1

公开(公告)日：2009-01-15

申请号：US12170824

申请日：2008-07-10

Applicant: Satoshi SUGAYA ,  Hiroyuki NISHIYAMA ,  Wataru MATSUTANI ,  Shiro KAKIMOTO

Inventor： Satoshi SUGAYA ,  Hiroyuki NISHIYAMA ,  Wataru MATSUTANI ,  Shiro KAKIMOTO

IPC: G01N27/26

CPC classification number: G01N27/4075 ,  G01N33/0054 ,  Y02A50/246

Abstract: An ammonia gas sensor including a reference electrode (320) is formed on the back surface of a solid electrolyte member (310), and a detection electrode (335) is formed on the front surface of the solid electrolyte member (310). A detection lead (350) is provided on the front surface of the solid electrolyte member (310) such that the detection lead (350) is connected to the detection electrode (335). An insulating layer (340), (380) is provided between the detection lead (350) and the solid electrolyte member (310), or on the detection lead (350).

Abstract translation: 在固体电解质构件（310）的背面形成有包括参考电极（320）的氨气传感器，在固体电解质构件（310）的前表面上形成有检测电极（335）。 检测引线（350）设置在固体电解质部件（310）的前表面上，使得检测引线（350）连接到检测电极（335）。 在检测引线（350）和固体电解质部件（310）之间或检测引线（350）上设置绝缘层（340）（380）。

公开(公告)号：US20080278053A1

公开(公告)日：2008-11-13

申请号：US10571690

申请日：2005-01-27

Applicant: Kenichi Kumagai ,  Wataru Matsutani ,  Kenji Kobayashi

Inventor： Kenichi Kumagai ,  Wataru Matsutani ,  Kenji Kobayashi

IPC: H01T13/20

CPC classification number: C22C19/056 ,  H01T13/39

Abstract: To provide a spark plug in which separation of a tip can be prevented and enough wear resistance can be obtained without increasing the content of nickel in the tip portion, and a use method of the spark plug.In a spark plug (100) including an outside electrode (10) including an electrode body portion (11) and a tip (12) bonded to the electrode body portion (11), and a center electrode (20), and the tip (12) is opposed to the front end portion of the center electrode (20) through a spark discharge gap (G), the electrode body portion (11) is made of a nickel alloy containing 13 to 18% by mass of Cr, 0.03 to 0.08% by mass of C, 1 to 3.5% by mass of Mo, 0 to 0.8% by mass of Si, Al, Mn and Ti, and 68% by mass or more of Ni, and the tip (12) is made of a platinum alloy containing 0 to 4% by mass of Ni.

Abstract translation: 为了提供火花塞，其中可以防止尖端的分离，并且可以获得足够的耐磨性而不增加尖端部分中的镍含量，以及火花塞的使用方法。 在包括外部电极（10）的火花塞（100）中，包括电极主体部分（11）和接合到电极体部分（11）的端部（12），以及中心电极（20）和尖端 12）通过火花放电间隙（G）与中心电极（20）的前端部相对，电极体部（11）由含有13〜18质量％的Cr，0.03〜 0.08质量％的C，1〜3.5质量％的Mo，0〜0.8质量％的Si，Al，Mn和Ti，以及68质量％以上的Ni，前端（12）由 含有0〜4质量％的Ni的铂合金。