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1. 发明授权

US10244583B2 Glow plug with combustion pressure sensor 有权
公开(公告)号：US10244583B2
公开(公告)日：2019-03-26
申请号：US14710939
申请日：2015-05-13
申请人： NGK SPARK PLUG CO., LTD.
发明人： Akimitsu Sassa , Yoshihiro Yamamoto , Hiroshi Harada
IPC分类号： H05B3/00 , G01L9/00 , F23Q7/00
摘要： A glow plug including a heater (200) having a rear heat-generating element (260) formed of a resistance heat-generating element, and provided in an axial region thereof between a forward end (136) of a housing and a rear end (315) of a displacement member (300) located rearward of the forward end (136). The heat-generating element (260) is arranged separately from a forward heat-generating element (205) provided at a forward end portion of the heater.

2. 发明授权

US09891138B2 Pressure sensor 有权
公开(公告)号：US09891138B2
公开(公告)日：2018-02-13
申请号：US14836515
申请日：2015-08-26
申请人： NGK SPARK PLUG CO., LTD.
发明人： Toshiki Hirokawa , Hiroshi Harada
IPC分类号： G01M15/08 , F23Q7/00
CPC分类号： G01M15/08 , F23Q7/001 , F23Q2007/005
摘要： A pressure sensor including a rod-shaped member, a tubular housing, a variable member and a pressure measuring element. The variable member is entirely disposed within the housing, is connected to the housing and the rod-shaped member, and deforms when the rod-shaped member is displaced relative to the housing along an axial direction. The variable member includes a first portion connected to the rod-shaped member, a second portion connected to the housing, and a bent portion which connects the first portion and the second portion to each other and has a bent shape. A portion of the second portion is a pressure receiving portion which displaces the rod-shaped member in the axial direction when receiving a pressure. The pressure receiving portion of the second portion has a substantially uniform thickness, and the thickness of the pressure receiving portion of the second portion is larger than that of the first portion.

3. 发明申请

US20150292739A1 GLOW PLUG 审中-公开
标题翻译： GLOW插头
公开(公告)号：US20150292739A1
公开(公告)日：2015-10-15
申请号：US14418316
申请日：2013-08-07
申请人： NGK SPARK PLUG CO., LTD.
发明人： Hiroshi Harada
IPC分类号： F23Q7/00 , H05B3/48 , H05B3/03
CPC分类号： F23Q7/001 , H05B3/03 , H05B3/06 , H05B3/48 , H05B2203/027
摘要： A glow plug having a rod-shaped heater including a resistance heating element; a tubular metallic shell; a rod-shaped inner shaft accommodated in the metallic shell and to which electric current is applied externally; and a conductive tubular member disposed inside the metallic shell. The tubular member has openings at its opposite ends. The rear end of the heater is press-fitted into one of the openings, and the front end portion of the inner shaft is inserted into the other opening, whereby the resistance heating element and the inner shaft are electrically connected. The heater includes an electrode terminal portion formed on the outer circumferential surface thereof. The tubular member includes an intermediate portion located between the one end and the other end and in contact with the electrode terminal portion, and the wall thickness at the one end is smaller than the wall thickness at the intermediate portion.
摘要翻译：一种电热塞，其具有包括电阻加热元件的棒状加热器; 管状金属外壳; 容纳在金属外壳中并且外部施加电流的杆状内轴; 以及设置在所述金属壳内的导电管状构件。管状构件在其相对端具有开口。加热器的后端被压配合到一个开口中，并且内轴的前端部插入到另一个开口中，由此电阻加热元件和内轴电连接。加热器包括形成在其外周面上的电极端子部。管状构件包括位于一端和另一端之间并与电极端子部分接触的中间部分，并且一端的壁厚小于中间部分处的壁厚度。

4. 发明授权

US10352565B2 Glow plug 有权
公开(公告)号：US10352565B2
公开(公告)日：2019-07-16
申请号：US14418316
申请日：2013-08-07
申请人： NGK SPARK PLUG CO., LTD.
发明人： Hiroshi Harada
IPC分类号： F23Q7/00 , H05B3/06 , H05B3/48 , H05B3/03
摘要： A glow plug having a rod-shaped heater including a resistance heating element; a tubular metallic shell; a rod-shaped inner shaft accommodated in the metallic shell and to which electric current is applied externally; and a conductive tubular member disposed inside the metallic shell. The tubular member has openings at its opposite ends. The rear end of the heater is press-fitted into one of the openings, and the front end portion of the inner shaft is inserted into the other opening, whereby the resistance heating element and the inner shaft are electrically connected. The heater includes an electrode terminal portion formed on the outer circumferential surface thereof. The tubular member includes an intermediate portion located between the one end and the other end and in contact with the electrode terminal portion, and the wall thickness at the one end is smaller than the wall thickness at the intermediate portion.

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