公开(公告)号：US10393715B2

公开(公告)日：2019-08-27

申请号：US15481197

申请日：2017-04-06

Applicant: NGK SPARK PLUG CO., LTD.

Inventor： Kunihiko Yonezu ,  Takehiro Oba

IPC: G01N33/00

Abstract: A gas sensor includes a gas sensor element having a detection portion, a metallic shell holding the gas sensor element, and a tubular body made of metal, which is welded in a state of being externally fitted to a front side or a rear side of the metallic shell. In the present invention, the tubular body is tightly fitted to a tapered portion that is provided at an outer surface of the metallic shell and is radially narrowed toward the tubular body. The tubular body is welded at the tapered portion.

公开(公告)号：US09857343B2

公开(公告)日：2018-01-02

申请号：US14990605

申请日：2016-01-07

Applicant: NGK Spark Plug Co., LTD.

Inventor： Kunihiko Yonezu ,  Takehiro Oba

IPC: G01N33/00 ,  G01N27/406 ,  G01N27/407 ,  G01M15/10

CPC classification number: G01N33/0009 ,  G01M15/102 ,  G01N27/4062 ,  G01N27/4077 ,  G01N27/4078

Abstract: A gas sensor includes a protective cover having a resin cylindrical cover portion at a rear end thereof, that can be airtightly attached to an attachment hole, and that can prevent a decrease in quality and a molding defect. A plurality of vertical ribs, which extend substantially parallel to an axis of a cylindrical cover portion, are formed on an outer peripheral surface of the cylindrical cover portion so that protrusions and recesses are provided in a circumferential direction. Due to the presence of the vertical ribs, as compared with an existing cylindrical cover portion that has a smooth outer peripheral surface without the vertical ribs, defects of the outer peripheral surface are not likely to occur in a molding process. Moreover, because slipping is not likely to occur when an operator holds and twists the cylindrical cover portion with his/her fingers, an attachment operation can be smoothly performed.

公开(公告)号：US09976934B2

公开(公告)日：2018-05-22

申请号：US14991572

申请日：2016-01-08

Applicant: NGK Spark Plug Co., LTD.

Inventor： Takehiro Oba ,  Yuichi Yamada ,  Kunihiko Yonezu

IPC: G01M15/02 ,  F02D41/14 ,  G01N27/409 ,  G01N27/41 ,  G01N27/407

CPC classification number: G01M15/02 ,  F02D41/1454 ,  G01N27/407 ,  G01N27/409 ,  G01N27/41

Abstract: A sensor includes: a detection element; a separator including an insertion portion into which a rear side of the detection element is inserted, and a plurality of terminal housing portions that are disposed surrounding a circumference of the insertion portion around an axial direction, and extend in the axial direction; and a connection terminal that is electrically connected to an electrical connection terminal portion to form a current path. The connection terminal includes a frame body portion and an element contact portion. The sensor further includes a first regulation portion that is located at a position closer to the detection element relative to the frame body portion, in a direction in which a first main surface and a second main surface oppose each other, and regulates the movement of the frame body portion in a direction approaching the detection element.

公开(公告)号：US09335311B2

公开(公告)日：2016-05-10

申请号：US13944273

申请日：2013-07-17

Applicant: NGK SPARK PLUG CO., LTD.

Inventor： Kunihiko Yonezu ,  Norimasa Osawa ,  Hisaharu Nishio

IPC: G01N7/00 ,  G01N33/00 ,  G01N27/406

CPC classification number: G01N33/0009 ,  G01N27/4062

Abstract: A gas sensor (200) in which individual ones of connection terminals (30) have, at a rear end portion, a first connection portion (31) connected to a corresponding connector terminal (60). Individual ones of the connector terminals have, at an end portion on a side toward separator (40), a second connection portion (61) connected to the first connection portion. One of the first and second connection portions assumes the form of an insertion piece (61g), and the other assumes the form of a female portion (31g) into which the insertion piece is inserted. At least one of the insertion piece and the female portion has an elastic portion (31a). The insertion piece is fitted into the female portion, and the elastic portion thereby elastically bends, whereby the first and second connection portions are elastically connected.

Abstract translation: 一种气体传感器（200），其中各个连接端子（30）在后端部分具有连接到相应连接器端子（60）的第一连接部分（31）。 各个连接器端子在朝向分离器（40）的一侧的端部具有连接到第一连接部分的第二连接部分（61）。 第一和第二连接部分中的一个呈现为插入件（61g）的形式，另一个呈现插入件插入其中的阴部分（31g）的形式。 插入片和阴部中的至少一个具有弹性部（31a）。 插入件装配到阴部分中，弹性部分弹性弯曲，由此第一和第二连接部分弹性连接。

公开(公告)号：US09970910B2

公开(公告)日：2018-05-15

申请号：US15009081

申请日：2016-01-28

Applicant: NGK Spark Plug Co., LTD.

Inventor： Kunihiko Yonezu ,  Takehiro Oba ,  Hisaharu Nishio ,  Ginjiro Ito ,  Yuichi Yamada

IPC: G01N33/00

CPC classification number: G01N33/0009

Abstract: A gas sensor includes a gas sensor element that extends in an axial direction and that includes a detector, which detects a specific gas in a mixed gas; a metal shell that surrounds a periphery of the gas sensor element to hold the gas sensor element; a base that is disposed on a rear side of the metal shell and that covers a rear end portion of the gas sensor element, the base being made of a polymer material; and a metal tube that connects the metal shell and the base to each other and that includes a rear portion and a front portion, the rear portion being integrated with the base, the front portion forming an exposed portion that is exposed from the base. A part of the exposed portion of the tube is connected to the metal shell, and the base is disposed apart from the metal shell.

公开(公告)号：US10067106B2

公开(公告)日：2018-09-04

申请号：US14991017

申请日：2016-01-08

Applicant: NGK SPARK PLUG CO., LTD.

Inventor： Kunihiko Yonezu ,  Takehiro Oba ,  Hisaharu Nishio ,  Ginjiro Ito ,  Yuichi Yamada

IPC: G01N33/00 ,  F01N13/00 ,  F02M35/10

Abstract: A sensor includes a detector element, a connection terminal, and a separator. The contacting portion is in contact with a conductive member so as to overlap the conductive member in a thickness direction, which is a direction of thickness of the detector element between the principal surfaces. The separator includes an element accommodation space that accommodates a portion of an element contact portion and an element back portion, and a partition wall that separates the element accommodation space from a terminal accommodation space that accommodates the contacting portion and a portion of the conductive member and that is adjacent to the element accommodation space in the thickness direction. A frame main body is disposed in an element-side region, which is a region on an element-accommodation-space side in the thickness direction in a region obtained by extending the terminal accommodation space toward the front side in the axial direction.

公开(公告)号：US09957873B2

公开(公告)日：2018-05-01

申请号：US14990947

申请日：2016-01-08

Applicant: NGK SPARK PLUG CO., LTD.

Inventor： Kunihiko Yonezu ,  Takehiro Oba ,  Hisaharu Nishio ,  Ginjiro Ito ,  Yuichi Yamada

IPC: G01N27/407 ,  F01N11/00 ,  G01N27/406 ,  F02M35/10 ,  F02M57/00

CPC classification number: F01N11/007 ,  F02M35/10373 ,  F02M57/005 ,  G01N27/406 ,  G01N27/4062 ,  G01N27/4078

Abstract: A sensor includes a detector element including a detecting portion and an element back portion on which two or more electrical connection terminal portions are formed; two or more connection terminals which each include an oblong frame main body that extends in an axial direction and an element contact portion that is electrically connected to a corresponding one of the electrical connection terminal portions; a separator that accommodates the connection terminals and the element back portion; and a base that surrounds an outer periphery of the separator. The separator includes a partition wall that is made of a resin material and partitions a plurality of accommodation spaces from each other. The accommodation spaces include an element accommodation space that accommodates portions of the element contact portions and the element back portion, and a plurality of terminal accommodation spaces which each accommodate one of the two or more frame main bodies.

公开(公告)号：US20160223504A1

公开(公告)日：2016-08-04

申请号：US14990605

申请日：2016-01-07

Applicant: NGK Spark Plug Co., LTD.

Inventor： Kunihiko Yonezu ,  Takehiro Oba

IPC: G01N33/00 ,  G01M15/10

CPC classification number: G01N33/0009 ,  G01M15/102 ,  G01N27/4062 ,  G01N27/4077 ,  G01N27/4078

Abstract: A gas sensor includes a protective cover having a resin cylindrical cover portion at a rear end thereof, that can be airtightly attached to an attachment hole, and that can prevent a decrease in quality and a molding defect. A plurality of vertical ribs, which extend substantially parallel to an axis of a cylindrical cover portion, are formed on an outer peripheral surface of the cylindrical cover portion so that protrusions and recesses are provided in a circumferential direction. Due to the presence of the vertical ribs, as compared with an existing cylindrical cover portion that has a smooth outer peripheral surface without the vertical ribs, defects of the outer peripheral surface are not likely to occur in a molding process. Moreover, because slipping is not likely to occur when an operator holds and twists the cylindrical cover portion with his/her fingers, an attachment operation can be smoothly performed.

Abstract translation: 气体传感器包括其后端具有树脂圆筒形盖部分的保护罩，其能够气密地附接到安装孔，并且可以防止质量下降和模制缺陷。 在圆筒形盖部的外周面上形成有大致平行于圆筒形盖部的轴线延伸的多个纵向肋，使得在圆周方向上设置有突起和凹部。 由于存在垂直肋，与具有没有垂直肋的光滑的外周面的现有圆筒形盖部相比，在成型工艺中不容易发生外周面的缺陷。 此外，由于当操作者用手指握住并扭转圆筒盖部分时不易发生滑动，所以可以平稳地进行安装操作。

公开(公告)号：US09322680B2

公开(公告)日：2016-04-26

申请号：US13901179

申请日：2013-05-23

Applicant: NGK SPARK PLUG CO., LTD.

Inventor： Kunihiko Yonezu ,  Toshiya Matsuoka ,  Norimasa Osawa ,  Hisaharu Nishio ,  Tomohiro Tajima

IPC: G01D11/30 ,  G01N27/407

CPC classification number: G01D11/30 ,  G01N27/4078

Abstract: A thin plate member which has a groove portion recessed toward the inside in a radial direction with a gap interposed between the thin plate member and the outer surface of a site on the front end side of a main body section. At least one end of the thin plate member is joined to the outer surface of the main body section and is provided radially outside the site on the front end side of the main body section. A seal member is disposed in the groove portion and has elasticity due to resin. Since the gap functions as a heat-insulating layer and is interposed between the seal member and the main body section, heat conduction from the main body section, that is, heat conduction through a first pathway is reduced, and thus deterioration of the seal member due to heat is suppressed.

Abstract translation: 一种薄板构件，其具有在径向方向上向内侧凹陷的槽部，并且间隙插入在薄板构件与主体部的前端侧的位置的外表面之间。 薄板构件的至少一端与主体部的外表面接合，并且设置在主体部的前端侧的位置的径向外侧。 密封构件设置在槽部中并且由于树脂而具有弹性。 由于该间隙作为绝热层而发挥作用，并且设置在密封部件与主体部之间，所以来自主体部的热传导，即通过第一路径的热传导减少，密封部件的劣化 由于热量被抑制。