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1. 发明授权

US07420139B2 Glow plug 有权
标题翻译：辉光插头
公开(公告)号：US07420139B2
公开(公告)日：2008-09-02
申请号：US10556053
申请日：2005-02-18
申请人： Takaya Yoshikawa , Shinya Murakoshi
发明人： Takaya Yoshikawa , Shinya Murakoshi
IPC分类号： F23Q7/22 , H01T13/20
CPC分类号： F23Q7/001 , H05B3/141 , H05B2203/027
摘要： An object is to provide a glow plug in which a gap can be prevented from being generated between a ceramic heater and a cylindrical member even at the time of use in an internal combustion engine, etc. so that electrical conduction of the glow plug can be prevented from being lowered. A glow plug includes: a rod-shaped ceramic heater 2; a rod-shaped center pole 5 extending axially so as to electrically connect to the outside; and a cylindrical member 100 having a front end portion 101 bonded to an outer circumferential surface 2a of a rear end side of the ceramic heater 2, and a rear end portion 102 bonded to an outer circumferential surface of a front end side of the center pole 5, the cylindrical member 100 being made by a metal material for electrically connecting one of a pair of lead portions and the center pole 5 to each other, the glow plug characterized in that the cylindrical member 100 has a Vickers hardness of not lower than 200 HV at 25° C.
摘要翻译：目的是提供一种电热塞，其中即使在内燃机等中使用时也可以防止在陶瓷加热器和圆柱形部件之间产生间隙，使得电热塞的导电可以防止被降低。电热塞包括：棒状陶瓷加热器2; 杆状中心杆5，其轴向延伸以电连接到外部; 以及具有与陶瓷加热器2的后端侧的外周面2a连接的前端部101和与该中心的前端侧的外周面接合的后端部102的圆筒部件100 圆柱形构件100由用于将一对引线部分和中心极5中的一个彼此电连接的金属材料制成，该电热塞的特征在于，圆柱形构件100的维氏硬度不低于 200 HV在25°C

2. 发明授权

US06881930B2 Glow plug and method of manufacturing the same 失效
标题翻译：辉光插头及其制造方法
公开(公告)号：US06881930B2
公开(公告)日：2005-04-19
申请号：US10764089
申请日：2004-01-23
申请人： Takaya Yoshikawa , Nobutuki Hotta , Shinya Murakoshi , Hiroyuki Suzuki
发明人： Takaya Yoshikawa , Nobutuki Hotta , Shinya Murakoshi , Hiroyuki Suzuki
IPC分类号： F23Q7/00
CPC分类号： F23Q7/001 , F23Q2007/004
摘要： A glow plug includes a ceramic heater having a resistance-heating element embedded at its end portion. In order to supply electricity to the resistance-heating element, first and second heater terminals are exposed on the surface of the ceramic heater. First and second terminal rings, which serve as metallic fitting members, are shrink-fitted to the surface of the ceramic heater in such a manner as to cover and be electrically connected to the exposed first and second heater terminals. A metal layer not higher than Ni in ionization tendency is formed on the inner circumferential surface of each of the first and second terminal rings.
摘要翻译：电热塞包括陶瓷加热器，其陶瓷加热器具有嵌入其端部的电阻加热元件。为了向电阻加热元件供电，第一和第二加热器端子暴露在陶瓷加热器的表面上。用作金属配件的第一和第二端子环以覆盖和暴露的第一和第二加热器端子的方式被收缩配合到陶瓷加热器的表面。在第一和第二端子环的每一个的内圆周表面上形成离子化趋势中不高于Ni的金属层。

3. 发明申请

US20070056949A1 Glow plug 有权
标题翻译：辉光插头
公开(公告)号：US20070056949A1
公开(公告)日：2007-03-15
申请号：US10556053
申请日：2005-02-18
申请人： Takaya Yoshikawa , Shinya Murakoshi
发明人： Takaya Yoshikawa , Shinya Murakoshi
IPC分类号： F23Q7/22
CPC分类号： F23Q7/001 , H05B3/141 , H05B2203/027
摘要： An object is to provide a glow plug in which a gap can be prevented from being generated between a ceramic heater and a cylindrical member even at the time of use in an internal combustion engine, etc. so that electrical conduction of the glow plug can be prevented from being lowered. A glow plug includes: a rod-shaped ceramic heater 2; a rod-shaped center pole 5 extending axially so as to electrically connect to the outside; and a cylindrical member 100 having a front end portion 101 bonded to an outer circumferential surface 2a of a rear end side of the ceramic heater 2, and a rear end portion 102 bonded to an outer circumferential surface of a front end side of the center pole 5, the cylindrical member 100 being made by a metal material for electrically connecting one of a pair of lead portions and the center pole 5 to each other, the glow plug characterized in that the cylindrical member 100 has a Vickers hardness of not lower than 200HV at 25° C.
摘要翻译：目的是提供一种电热塞，其中即使在内燃机等中使用时也可以防止在陶瓷加热器和圆柱形部件之间产生间隙，使得电热塞的导电可以防止被降低。电热塞包括：棒状陶瓷加热器2; 杆状中心杆5，其轴向延伸以电连接到外部; 以及具有与陶瓷加热器2的后端侧的外周面2a连接的前端部101和与该中心的前端侧的外周面接合的后端部102的圆筒部件100 圆柱形构件100由用于将一对引线部分和中心极5中的一个彼此电连接的金属材料制成，该电热塞的特征在于，圆柱形构件100的维氏硬度不低于在25°C时200HV

4. 发明授权

US07115836B2 Glow plug 有权
标题翻译：辉光插头
公开(公告)号：US07115836B2
公开(公告)日：2006-10-03
申请号：US11166280
申请日：2005-06-27
申请人： Takaya Yoshikawa , Shinya Murakoshi
发明人： Takaya Yoshikawa , Shinya Murakoshi
IPC分类号： F23Q7/22
CPC分类号： F23Q7/001
摘要： A glow plug comprising: a ceramic heater which houses a heating element defined herein in a tip end side of said ceramic heater, and which elongates in an axial direction; a cylindrical metal shell which has a shaft hole, which houses a rear end portion of said ceramic heater in said shaft hole, and which holds said ceramic heater in said shaft hole directly or via another member; and a center pole including a center-pole rear end portion as defined herein and a center-pole tip end portion as defined herein, said ceramic heater being mechanically rigidly joined to said heater connecting portion, wherein a stress releasing portion in which a diameter is smallest in an area between said heater connecting portion and said center-pole rear end portion is formed in said center pole.
摘要翻译：一种电热塞，包括：陶瓷加热器，其容纳本文定义在所述陶瓷加热器的末端侧并沿轴向延伸的加热元件; 圆柱形金属外壳，其具有轴孔，所述轴孔容纳所述陶瓷加热器的后端部，所述后端部位于所述轴孔中，并且将所述陶瓷加热器直接或经由另一构件保持在所述轴孔中; 以及包括如本文所定义的中心极后端部分和如本文所定义的中心极末端部分的中心极，所述陶瓷加热器机械地刚性地接合到所述加热器连接部分，其中应力释放部分的直径为所述加热器连接部和所述中心极后端部之间的区域中最小的部分形成在所述中心极。

5. 发明授权

US07034253B2 Ceramic heater with ring member electrically connecting the heater to lead terminal core rod 有权
标题翻译：陶瓷加热器带有环形构件将加热器电连接到引线端子芯棒
公开(公告)号：US07034253B2
公开(公告)日：2006-04-25
申请号：US10819183
申请日：2004-04-07
申请人： Takaya Yoshikawa , Hiroyuki Suzuki , Shinsuke Ito , Shinya Murakoshi
发明人： Takaya Yoshikawa , Hiroyuki Suzuki , Shinsuke Ito , Shinya Murakoshi
IPC分类号： F23Q7/00 , H05B3/00
CPC分类号： F23Q7/001 , H05B3/141 , H05B2203/027
摘要： A heater including: a rod-shaped ceramic heater including: a ceramic heater body extending in an axial direction and having a heating-element at its leading end portion for generating heat when energized; and first and second energizing lead terminals extending from the heating element and exposed to an outer circumference of a trailing end side of the ceramic heater body; a cylindrical outer cylinder for holding the ceramic heater while protruding a leading end portion and a trailing end portion of the ceramic heater; and a core rod arranged on said trailing end side of the ceramic heater in an axial direction and connected electrically with the first lead terminal, wherein the heater further includes: a ring member including: a ring leading end portion fixed by a tight fitting on an outer circumference of a trailing end side of the ceramic heater and connected electrically with the first lead terminal; and a ring trailing end portion protruding backward from a trailing end of the ceramic heater; and a metallic lead for connecting the ring trailing end portion and the core rod electrically.
摘要翻译：一种加热器，包括：棒状陶瓷加热器，包括：陶瓷加热器主体，其在轴向方向上延伸并且在其前端部具有用于在通电时产生热量的加热元件; 以及第一和第二激励引线端子，其从所述加热元件延伸并暴露于所述陶瓷加热器主体的后端侧的外周; 一个用于保持陶瓷加热器的圆柱形外筒，同时突出陶瓷加热器的前端部分和后端部分; 以及芯棒，其沿着轴向设置在所述陶瓷加热器的所述后端侧并与所述第一引线端子电连接，其中所述加热器还包括：环形构件，其包括：环形引导端部，其通过紧密配合固定在陶瓷加热器后端侧的外圆周与第一引线端子电连接; 以及从所述陶瓷加热器的后端向后突出的环后端部; 以及用于电连接环后端部和芯棒的金属引线。

6. 发明申请

US20050284860A1 Glow plug 有权
标题翻译：辉光插头
公开(公告)号：US20050284860A1
公开(公告)日：2005-12-29
申请号：US11166280
申请日：2005-06-27
申请人： Takaya Yoshikawa , Shinya Murakoshi
发明人： Takaya Yoshikawa , Shinya Murakoshi
IPC分类号： F23Q7/00 , F23Q7/22
CPC分类号： F23Q7/001
摘要： A glow plug comprising: a ceramic heater which houses a heating element defined herein in a tip end side of said ceramic heater, and which elongates in an axial direction; a cylindrical metal shell which has a shaft hole, which houses a rear end portion of said ceramic heater in said shaft hole, and which holds said ceramic heater in said shaft hole directly or via another member; and a center pole including a center-pole rear end portion as defined herein and a center-pole tip end portion as defined herein, said ceramic heater being mechanically rigidly joined to said heater connecting portion, wherein a stress releasing portion in which a diameter is smallest in an area between said heater connecting portion and said center-pole rear end portion is formed in said center pole.
摘要翻译：一种电热塞，包括：陶瓷加热器，其容纳本文定义在所述陶瓷加热器的末端侧并沿轴向延伸的加热元件; 圆柱形金属外壳，其具有轴孔，所述轴孔容纳所述陶瓷加热器的后端部，所述后端部位于所述轴孔中，并且将所述陶瓷加热器直接或经由另一构件保持在所述轴孔中; 以及包括如本文所定义的中心极后端部分和如本文所定义的中心极末端部分的中心极，所述陶瓷加热器机械地刚性地接合到所述加热器连接部分，其中应力释放部分的直径为所述加热器连接部和所述中心极后端部之间的区域中最小的部分形成在所述中心极。

7. 发明授权

US6082175A Electronic component having terminal connecting leads with a high temperature ceramic element and a method of making the same 失效
标题翻译：具有带高温陶瓷元件的端子连接引线的电子部件及其制造方法
公开(公告)号：US6082175A
公开(公告)日：2000-07-04
申请号：US950136
申请日：1997-10-14
申请人： Takaya Yoshikawa , Katsuhisa Yabuta , Masaya Ito , Hisaharu Nishino
发明人： Takaya Yoshikawa , Katsuhisa Yabuta , Masaya Ito , Hisaharu Nishino
IPC分类号： G01N27/409 , G01N27/12 , G01N27/407 , H01R4/62
CPC分类号： G01N27/407 , G01N27/4062
摘要： This discloses an electronic component of a miniature size to be used as e.g. automobile engine peripheral components, such as an exhaust gas oxygen sensor, a heat sensor, and a heater. More specifically, the invention provides an electronic component integral with a heat resistant terminal that is pressure-fitting or shrink-fitted on a ceramic element of the electronic component. This electronic components shows great mechanical and electrical performance, withstanding the high temperature environment over 400 and up to 800.degree. C. to which the ceramic element of the component required expose.The terminal incorporated in this high temperature electronic component comprises a plurality of metal wire leads that electrically connect to a surface of a bar-like ceramic element, at least two ceramic insulators that surround the leads, and a thermal resistant metal ring that shrink-fits or pressure-fits around the ceramic insulators so that the metal leads press in a radial direction holding the element firmly.The thermal resistant metal ring to be used for this shrink fit or pressure fit is preferably made of an alloy, such as Incoloy 909, Inconel 650, and Waspaloy, and the like, thereby preventing the metal leads from coming off at high temperature.The terminal integrated with the ceramic element by the shrink fitting method according to the invention, minimizes the number of parts, attaining a miniaturization of such high temperature electronic component at a low cost.
摘要翻译：这公开了一种微型尺寸的电子部件，例如用作电子部件。汽车发动机周边部件，例如废气氧传感器，热传感器和加热器。更具体地说，本发明提供了一种与耐热端子一体化的电子部件，该耐热端子压配合或收缩配合在电子部件的陶瓷元件上。该电子部件显示出很好的机械和电气性能，耐受高于400℃和高达800℃的高温环境，所述组件的陶瓷元件暴露于该温度环境。结合在该高温电子部件中的端子包括电连接到棒状陶瓷元件的表面的多个金属引线引线，围绕引线的至少两个陶瓷绝缘体和热收缩金属环或压配合在陶瓷绝缘体周围，使得金属引线沿径向保持元件牢固地按压。用于这种收缩配合或压配合的耐热金属环优选由诸如Incoloy 909，Inconel 650和Waspaloy等的合金制成，从而防止金属引线在高温下脱落。通过根据本发明的收缩配合方法与陶瓷元件集成的端子使部件数量最小化，从而以低成本实现了这种高温电子部件的小型化。

8. 发明授权

US09032779B2 Gas sensor 有权
标题翻译：气体传感器
公开(公告)号：US09032779B2
公开(公告)日：2015-05-19
申请号：US13126611
申请日：2009-10-20
申请人： Masanori Otsubo , Takaya Yoshikawa , Tomohiro Tajima , Masao Tsuzuki
发明人： Masanori Otsubo , Takaya Yoshikawa , Tomohiro Tajima , Masao Tsuzuki
IPC分类号： G01N7/00 , G01N27/407
CPC分类号： G01N27/4077
摘要： A gas sensor (1) has an inner protector (120) and an outer protector (110); the inner protector (120) has an inner wall portion (160) having an inner gas inlet (170) for introducing gas to be measured into the interior of the inner protector (120); the outer protector (110) has an outer wall portion (130) having an outer gas inlet (140) for introducing the gas to be measured into the interior of the outer protector (110); a clearance of 1.35 mm or less is provided between the detection portion (11) and at least a portion of the inner wall portion (160); and when the gas sensor (1) is in use, the inner protector (120) is higher in temperature than the outer protector (110).
摘要翻译：气体传感器（1）具有内部保护器（120）和外部保护器（110）; 所述内部保护器（120）具有内壁部分（160），所述内壁部分具有内部气体入口（170），用于将待测量的气体引入所述内部保护器（120）的内部; 外保护器（110）具有外壁部分（130），该外壁部分具有外部气体入口（140），用于将要测量的气体引入外保护器（110）的内部; 在检测部（11）与内壁部（160）的至少一部分之间设置有1.35mm以下的间隙。并且当使用气体传感器（1）时，内部保护器（120）的温度高于外部保护器（110）。

9. 发明授权

US08702934B2 Gas sensor 失效
标题翻译：气体传感器
公开(公告)号：US08702934B2
公开(公告)日：2014-04-22
申请号：US13008294
申请日：2011-01-18
申请人： Masao Tsuzuki , Tomohiro Tajima , Tomoki Fujii , Hisaharu Nishio , Takaya Yoshikawa , Kunihiko Yonezu
发明人： Masao Tsuzuki , Tomohiro Tajima , Tomoki Fujii , Hisaharu Nishio , Takaya Yoshikawa , Kunihiko Yonezu
IPC分类号： G01N27/407
CPC分类号： G01N27/407
摘要： A gas sensor including a gas sensor element that extends in an axial direction and has a detection section at a front-end side thereof, and an electrode pad at a rear-end side thereof; a connection terminal that is electrically connected to the electrode pad; and an insulated separator that extends along the axial direction and has an inserting hole into which the connection terminal is inserted. An element side section is arranged within the inserting hole and is connected the electrode pad, and an external circuit side section extends further to the outside in a diametrical direction than an outer surface of the separator through one or more first bending sections from the element side section.
摘要翻译：一种气体传感器，包括沿轴向延伸并且在其前端具有检测部分的气体传感器元件和其后端侧的电极焊盘; 电连接到所述电极焊盘的连接端子; 以及沿着轴向延伸并具有插入孔的绝缘隔板，连接端子插入该插入孔中。元件侧部分布置在插入孔内并且连接电极焊盘，并且外部电路侧部分通过来自元件侧的一个或多个第一弯曲部分沿着分隔件的外表面沿直径方向进一步延伸到外部部分。

10. 发明申请

US20090200164A1 GAS SENSOR 审中-公开
标题翻译：气体传感器
公开(公告)号：US20090200164A1
公开(公告)日：2009-08-13
申请号：US12364087
申请日：2009-02-02
申请人： Takaya Yoshikawa , Masaru Kondo , Hiroshi Isomura , Hisaharu Nishio , Tomohiro Tajima
发明人： Takaya Yoshikawa , Masaru Kondo , Hiroshi Isomura , Hisaharu Nishio , Tomohiro Tajima
IPC分类号： G01N27/26
CPC分类号： G01N27/407 , G01N27/4062
摘要： A gas sensor includes a plate-like sensor element having solid electrolyte layers; a circuit board having a processing circuit for processing an output signal from the sensor element; terminals connected to the sensor element and to the circuit board and serving as electric junctions therebetween; and a metallic casing which encloses the sensor element, the circuit board, and the terminals and has attachment portions for attachment to an external object. The attachment portions are attached to an inlet pipe at a position located downstream of an EGR gas inlet or to a cylinder head.
摘要翻译：气体传感器包括具有固体电解质层的板状传感器元件; 电路板，具有用于处理来自传感器元件的输出信号的处理电路; 连接到传感器元件和电路板并且用作它们之间的电接头的端子; 以及金属壳体，其包围传感器元件，电路板和端子，并具有用于附接到外部物体的附接部分。附接部分附接到位于EGR气体入口下游的位置的入口管或气缸盖。

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