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公开(公告)号：US08939808B2
公开(公告)日：2015-01-27
申请号：US13880088
申请日：2011-11-11
申请人： Jiro Kyuno , Keiji Ozeki , Tomoaki Kato , Akiko Maruno
发明人： Jiro Kyuno , Keiji Ozeki , Tomoaki Kato , Akiko Maruno
摘要： A spark plug includes a ceramic insulator extending in the direction of an axis (CL1) and a metallic shell provided around the ceramic insulator. Talc is pressed charged between the ceramic insulator and the metallic shell and a crimp portion is formed for fixing the metallic shell and the ceramic insulator while the metallic shell having the ceramic insulator inserted thereinto is supported by a tubular receiving member. The receiving member is made movable in relation to a pressing jig in its radial direction. Thus, at the time of pressing of the talc, etc., the eccentricity between the center axis (CL2), (CL3) of the pressing jig and the axis (CL1) in the radial direction can be reduced, whereby the misalignment between the axis (CL1) and the center axis of the metallic shell or the like assembly error can be suppressed.
摘要翻译： 火花塞包括沿轴线（CL1）延伸的陶瓷绝缘体和设置在陶瓷绝缘体周围的金属壳。 在陶瓷绝缘体和金属壳之间压制滑石，并且形成用于固定金属壳和陶瓷绝缘体的卷曲部分，而具有插入陶瓷绝缘体的金属壳由管状接收构件支撑。 接收构件相对于按压夹具在其径向方向上可移动。 因此，在挤压滑石等时，可以减小按压夹具的中心轴线（CL2），（CL3）与径向轴线（CL1）之间的偏心率，由此， 轴（CL1）和金属壳等的中心轴的组装误差可以被抑制。
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公开(公告)号：US20130225029A1
公开(公告)日：2013-08-29
申请号：US13880088
申请日：2011-11-11
申请人： Jiro Kyuno , Keiji Ozeki , Tomoaki Kato , Akiko Maruno
发明人： Jiro Kyuno , Keiji Ozeki , Tomoaki Kato , Akiko Maruno
IPC分类号： H01T21/02
摘要： A spark plug includes a ceramic insulator extending in the direction of an axis (CL1) and a metallic shell provided around the ceramic insulator. Talc is pressed charged between the ceramic insulator and the metallic shell and a crimp portion is formed for fixing the metallic shell and the ceramic insulator while the metallic shell having the ceramic insulator inserted thereinto is supported by a tubular receiving member. The receiving member is made movable in relation to a pressing jig in its radial direction. Thus, at the time of pressing of the talc, etc., the eccentricity between the center axis (CL2), (CL3) of the pressing jig and the axis (CL1) in the radial direction can be reduced, whereby the misalignment between the axis (CL1) and the center axis of the metallic shell or the like assembly error can be suppressed.
摘要翻译： 火花塞包括沿轴线（CL1）延伸的陶瓷绝缘体和设置在陶瓷绝缘体周围的金属壳。 在陶瓷绝缘体和金属壳之间压制滑石，并且形成用于固定金属壳和陶瓷绝缘体的卷曲部分，而具有插入陶瓷绝缘体的金属壳由管状接收构件支撑。 接收构件相对于按压夹具在其径向方向上可移动。 因此，在挤压滑石等时，可以减小按压夹具的中心轴线（CL2），（CL3）与径向轴线（CL1）之间的偏心率，由此， 轴（CL1）和金属壳等的中心轴的组装误差可以被抑制。
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公开(公告)号：US09496687B2
公开(公告)日：2016-11-15
申请号：US14003954
申请日：2012-03-26
申请人： Jiro Kyuno , Keiji Ozeki , Tomoaki Kato
发明人： Jiro Kyuno , Keiji Ozeki , Tomoaki Kato
摘要： A method for manufacturing a spark plug includes an assembling step of assembling an insulator into a metallic shell by insertion of the insulator into the metallic shell from an axially rear end opening portion of the metallic shell. The assembling step includes a displacement restricting step of restricting a relative positional displacement between the metallic shell and the insulator in a radial direction intersecting with the axial direction so as to reduce eccentricity between the axis of the metallic shell and the axis of the insulator to a predetermined value or less, while allowing a relative positional displacement between the metallic shell and the insulator in the axial direction. In the assembling step, whether or not the insulator is cracked in the assembling step is judged by detecting acoustic emission from the insulator.
摘要翻译： 一种火花塞的制造方法，其特征在于，包括将所述绝缘体从所述金属壳的轴向后端开口部插入所述金属壳内而将绝缘体组装成金属壳的组装工序。 组装步骤包括一个位移限制步骤，该位移限制步骤在与轴向相交的径向方向上限制金属壳和绝缘体之间的相对位置偏移，以便减小金属壳的轴线与绝缘体的轴线之间的偏心度 同时允许金属壳和绝缘体之间在轴向方向上的相对位置位移。 在组装步骤中，通过检测来自绝缘体的声发射来判断绝缘子是否在组装步骤中破裂。
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公开(公告)号：US20140065915A1
公开(公告)日：2014-03-06
申请号：US14003954
申请日：2012-03-26
申请人： Jiro Kyuno , Keiji Ozeki , Tomoaki Kato
发明人： Jiro Kyuno , Keiji Ozeki , Tomoaki Kato
IPC分类号： H01T21/02
摘要： A method for manufacturing a spark plug includes an assembling step of assembling an insulator into a metallic shell by insertion of the insulator into the metallic shell from an axially rear end opening portion of the metallic shell. The assembling step includes a displacement restricting step of restricting a relative positional displacement between the metallic shell and the insulator in a radial direction intersecting with the axial direction so as to reduce eccentricity between the axis of the metallic shell and the axis of the insulator to a predetermined value or less, while allowing a relative positional displacement between the metallic shell and the insulator in the axial direction. In the assembling step, whether or not the insulator is cracked in the assembling step is judged by detecting acoustic emission from the insulator.
摘要翻译： 一种火花塞的制造方法，其特征在于，包括将所述绝缘体从所述金属壳的轴向后端开口部插入所述金属壳内而将绝缘体组装成金属壳的组装工序。 组装步骤包括一个位移限制步骤，该位移限制步骤在与轴向相交的径向方向上限制金属壳和绝缘体之间的相对位置偏移，以便减小金属壳的轴线与绝缘体的轴线之间的偏心度 同时允许金属壳和绝缘体之间在轴向方向上的相对位置位移。 在组装步骤中，通过检测来自绝缘体的声发射来判断绝缘子是否在组装步骤中破裂。
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公开(公告)号：US07272970B2
公开(公告)日：2007-09-25
申请号：US11392622
申请日：2006-03-30
申请人： Keiji Ozeki , Koji Okazaki
发明人： Keiji Ozeki , Koji Okazaki
IPC分类号： G01L23/22
CPC分类号： G01L23/22
摘要： A spark plug having a combustion pressure detecting function, including a tip end portion in an axial direction of the spark plug capable of generating a spark discharge, a male thread adapted for attaching the spark plug to an internal combustion engine and a metal shell including, at a rear end side of the male thread, a brim portion projecting perpendicularly to the axial direction; an annular, flat gasket provided on a tip side of the brim portion; and a pressure sensor including a pressure-sensitive element, wherein the gasket has a Young's modulus E (kN/mm2) satisfying a relationship, 100≦E≦170.
摘要翻译： 一种具有燃烧压力检测功能的火花塞，包括能够产生火花放电的火花塞的轴向前端部，适于将火花塞安装在内燃机上的外螺纹和金属壳， 在外螺纹的后端侧，具有垂直于轴向突出的凸缘部; 设置在所述边缘部的前端侧的环状的平垫圈; 以及包括压敏元件的压力传感器，其中所述垫圈的杨氏模量E（kN / mm 2）满足关系，100≤E<= 170。
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公开(公告)号：US20060032472A1
公开(公告)日：2006-02-16
申请号：US11196448
申请日：2005-08-04
申请人： Tatsunori Yamada , Yuichi Yamada , Koji Okazaki , Masayoshi Matsui , Keiji Ozeki , Takahiro Suzuki
发明人： Tatsunori Yamada , Yuichi Yamada , Koji Okazaki , Masayoshi Matsui , Keiji Ozeki , Takahiro Suzuki
CPC分类号： F23Q7/001 , F02P19/028 , F23Q2007/002 , G01L23/22
摘要： A glow plug comprising: a cylindrical housing; a heater member as defined herein; a conductive center pole as defined herein; a first piezoelectric element as defined herein; and a second piezoelectric element as defined herein, wherein each of said first piezoelectric element and said second piezoelectric element is subjected to a preload for compressing it in said axial direction and is arranged such that, when said center pole is displaced to a root-end side, a load to be applied to one of said first piezoelectric element and said second piezoelectric element for compressing the same in said axial direction increases whereas a load to be applied to the other for compressing the same in said axial direction decreases.
摘要翻译： 一种电热塞，包括：圆柱形壳体; 如本文所定义的加热器构件; 如本文所定义的导电中心极; 如本文所定义的第一压电元件; 以及如本文所定义的第二压电元件，其中，所述第一压电元件和所述第二压电元件中的每一个都经受预载以在所述轴向方向上压缩，并且被布置成使得当所述中心极位移到根端 在所述轴向上施加到所述第一压电元件和所述第二压电元件中的一个压缩元件上的负载的负载增加，而在所述轴向上施加到另一个压缩元件的负载减小。
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公开(公告)号：US07185621B2
公开(公告)日：2007-03-06
申请号：US11196448
申请日：2005-08-04
申请人： Tatsunori Yamada , Yuichi Yamada , Koji Okazaki , Masayoshi Matsui , Keiji Ozeki , Takahiro Suzuki
发明人： Tatsunori Yamada , Yuichi Yamada , Koji Okazaki , Masayoshi Matsui , Keiji Ozeki , Takahiro Suzuki
CPC分类号： F23Q7/001 , F02P19/028 , F23Q2007/002 , G01L23/22
摘要： A glow plug comprising: a cylindrical housing; a heater member as defined herein; a conductive center pole as defined herein; a first piezoelectric element as defined herein; and a second piezoelectric element as defined herein, wherein each of said first piezoelectric element and said second piezoelectric element is subjected to a preload for compressing it in said axial direction and is arranged such that, when said center pole is displaced to a root-end side, a load to be applied to one of said first piezoelectric element and said second piezoelectric element for compressing the same in said axial direction increases whereas a load to be applied to the other for compressing the same in said axial direction decreases.
摘要翻译： 一种电热塞，包括：圆柱形壳体; 如本文所定义的加热器构件; 如本文所定义的导电中心极; 如本文所定义的第一压电元件; 以及如本文所定义的第二压电元件，其中，所述第一压电元件和所述第二压电元件中的每一个都经受预负载以在所述轴向方向上压缩，并且被布置成使得当所述中心极位移到根端 在所述轴向上施加到所述第一压电元件和所述第二压电元件中的一个压缩元件上的负载的负载增加，而在所述轴向上施加到另一个压缩元件的负载减小。
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公开(公告)号：US20060284535A1
公开(公告)日：2006-12-21
申请号：US11392622
申请日：2006-03-30
申请人： Keiji Ozeki , Koji Okazaki
发明人： Keiji Ozeki , Koji Okazaki
IPC分类号： H01T13/20
CPC分类号： G01L23/22
摘要： A spark plug having a combustion pressure detecting function, including a tip end portion in an axial direction of the spark plug capable of generating a spark discharge, a male thread adapted for attaching the spark plug to an internal combustion engine and a metal shell including, at a rear end side of the male thread, a brim portion projecting perpendicularly to the axial direction; an annular, flat gasket provided on a tip side of the brim portion; and a pressure sensor including a pressure-sensitive element, wherein the gasket has a Young's modulus E (kN/mm2) satisfying a relationship, 100≦E≦170.
摘要翻译： 一种具有燃烧压力检测功能的火花塞，包括能够产生火花放电的火花塞的轴向前端部，适于将火花塞安装在内燃机上的外螺纹和金属壳， 在外螺纹的后端侧，具有垂直于轴向突出的凸缘部; 设置在所述边缘部的前端侧的环状的平垫圈; 以及包括压敏元件的压力传感器，其中所述垫圈的杨氏模量E（kN / mm 2）满足关系，100≤E<= 170。
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