利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

2852 条记录 (耗时 0.038 秒)

    STRAIN SENSOR
    47.
    发明公开
    STRAIN SENSOR 审中-公开

    公开(公告)号：EP3505895A1

    公开(公告)日：2019-07-03

    申请号：EP17843548.3

    申请日：2017-08-22

    申请人： NGK Spark Plug Co., Ltd.

    发明人： HANAWA Yuichiro ,  MORI Takashi ,  MATSUOKA Toshiyuki ,  MIZUNO Takuya

    IPC分类号： G01L9/00

    摘要： To provide a strain sensor that can be used in a high-temperature environment of approximately 350°C.
    Provided is a strain sensor in which a semiconductor element, which is a strain gauge including silicon, is joined via glass onto a diaphragm made of a metal material. In the strain sensor, the metal material is a Ni-based heat-resistant alloy whose average linear expansion coefficient in the temperature range of 50°C to 350°C is 12.1 ppm/°C or higher and 21.2 ppm/°C or lower; the glass has a glass transition point higher than 350°C, and the average linear expansion coefficient of the glass in the temperature range of 50°C to 350°C is lower than the average linear expansion coefficient of the metal material in the temperature range of 50°C to 350°C and is higher than or equal to the average linear expansion coefficient of the semiconductor element in the temperature range of 50°C to 350°C; and the difference between the average linear expansion coefficient of the glass and the average linear expansion coefficient of the metal material is 3.3 ppm/°C or larger and 10.2 ppm/°C or smaller.

    SPARK PLUG, CONTROL SYSTEM, INTERNAL COMBUSTION ENGINE, AND INTERNAL COMBUSTION ENGINE SYSTEM
    49.
    发明公开
    SPARK PLUG, CONTROL SYSTEM, INTERNAL COMBUSTION ENGINE, AND INTERNAL COMBUSTION ENGINE SYSTEM 审中-公开

    公开(公告)号：EP3496217A1

    公开(公告)日：2019-06-12

    申请号：EP17836547.4

    申请日：2017-03-14

    申请人： NGK Spark Plug Co., Ltd.

    发明人： KATO, Tomoaki

    IPC分类号： H01T13/20 ,  F01P3/02 ,  F01P3/16 ,  F02P13/00

    摘要： An ignition plug includes a tubular insulator having an axial hole extending in the direction of an axial line, a metallic shell disposed around the outer circumference of the insulator, a center electrode disposed in the axial hole of the insulator, and a ground electrode connected to the forward end of the metallic shell and facing the center electrode. The metallic shell has a threaded portion to be engaged with a thread ridge of a mounting hole of an internal combustion engine. The relational expression Ss/(Sa + Sb) ≥ 2.6 is satisfied, where Ss is the surface area of an outer circumferential surface of the metallic shell extending from the rear end of the threaded portion to the forward end of the threaded portion, Sa is the surface area of that portion of the metallic shell which is to be exposed to combustion gas of the internal combustion engine, and Sb is the surface area of that portion of the insulator which is to be exposed to the combustion gas.