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    • 74. 发明授权
    • Pressure gauge for combustion chamber of an internal combustion engine
    • 内燃机燃烧室用压力表
    • US07270099B2
    • 2007-09-18
    • US10542047
    • 2003-12-29
    • Yves Dordet
    • Yves Dordet
    • F23Q7/22
    • F23Q7/001F02P19/028F23Q2007/002
    • A glow plug (20) for an internal combustion engine (110) essentially includes: a body (27) intended to be fixed to the engine, and a core (29) extending in a direction of elongation (11), connected to the body and intended to extend inside the combustion chamber (9) of the engine, measurement elements (200, 55, 65) intended to determine the pressure internal to the combustion chamber (9) through the displacement of the core (29) under the effect of pressure, characterized in that the glow plug is equipped with elements (50, 60) that make it possible to quantify the displacement of the core with respect to the cylinder head (5) of the engine on which the glow plug is installed.
    • 用于内燃机(110)的电热塞(20)基本上包括:用于固定到发动机的主体(27)和沿延伸方向延伸的芯(11),连接到主体 并且旨在在发动机的燃烧室(9)内延伸,用于通过芯(29)的位移来确定燃烧室(9)内部的压力的测量元件(200,55,65) 压力,其特征在于,所述电热塞配备有元件(50,60),其使得可以量化芯相对于其上安装有电热塞的发动机的气缸盖(5)的位移。
    • 78. 发明授权
    • In-cylinder pressure detection device
    • 缸内压力检测装置
    • US07171846B2
    • 2007-02-06
    • US11075754
    • 2005-03-10
    • Hideki SakamotoSatoshi YamaguchiYuuichi ShimasakiMakoto KobayashiMasaki UenoMamoru Hasegawa
    • Hideki SakamotoSatoshi YamaguchiYuuichi ShimasakiMakoto KobayashiMasaki UenoMamoru Hasegawa
    • G01M15/00
    • F02P19/028F02D35/023F23Q7/001F23Q2007/002G01L23/22
    • An in-cylinder pressure detection device which is capable of ensuring stable detection accuracy irrespective of tightening torque applied in mounting the in-cylinder pressure detection device and thermal expansion of component parts of the same. A housing 21 has a top wall 22a and a bottom wall 22b opposed to each other, and is screwed into the body of an internal combustion engine. An inner member 24 extends through the housing 21 such that one end thereof projects into a cylinder C, and has a flange part 24b accommodated in the housing 21. A first piezoelectric element 11c is accommodated in the housing 21 and sandwiched between the bottom wall 22b and the flange part 24b in a preloaded state, for outputting a first detection signal q1 according to the in-cylinder pressure transmitted via the inner member 24. A second piezoelectric element 12c is accommodated in the housing 21 and sandwiched between the top wall 22a and the flange part 24b in a preloaded state, for outputting a second detection signal q2 according to the in-cylinder pressure transmitted via the inner member 24.
    • 无论在安装缸内压力检测装置时施加的紧固扭矩和其组成部件的热膨胀,都能够确保稳定的检测精度的缸内压力检测装置。 壳体21具有彼此相对的顶壁22a和底壁22b,并被拧入内燃机的主体中。 内部构件24延伸穿过壳体21,使得其一端突出到气缸C中,并且具有容纳在壳体21中的凸缘部分24b。 第一压电元件11c容纳在壳体21中并且在预加载状态下夹在底壁22b和凸缘部分24b之间,用于根据经由内部传递的缸内压力输出第一检测信号q 1 会员24。 第二压电元件12c容纳在壳体21中,并且以预加载的状态夹在顶壁22a和凸缘部分24b之间,用于根据通过内部的内部传递的缸内压力输出第二检测信号q 2 会员24。
    • 80. 发明申请
    • Apparatus for pressure detection in an engine combustion chamber
    • 用于在发动机燃烧室中进行压力检测的装置
    • US20060123887A1
    • 2006-06-15
    • US10538748
    • 2003-12-12
    • Yves Dordet
    • Yves Dordet
    • G01L23/22
    • F23Q7/001F02P19/028F23Q2007/002G01L23/10
    • An apparatus for detecting pressure in an engine combustion chamber includes a functional member (1) mounted in an orifice (3) of a cylinder head (5) and a pressure sensor (19) axially pressed against one part (1b) linked to the functional member, via a bearing surface (17) fixed relative to the cylinder head, so as to enable the sensor to detect a displacement of the functional member upon combustion pressure variations. A mechanical link between the functional member and the cylinder head (5) is provided via an additional element (15, 17) fixedly linked to the cylinder head and part at least of the additional element exerts a pressure on the sensor (19) defining the bearing surface in fixed position relative to the cylinder head when the functional member mounted on the cylinder head (5) is in operation ready to be subjected to the pressure in the combustion chamber.
    • 用于检测发动机燃烧室中的压力的​​装置包括安装在气缸盖(5)的孔口(3)中的功能构件(1)和轴向压靠在一个部件(1b)上的压力传感器(19) 通过相对于气缸盖固定的支承表面(17),以使传感器能够在燃烧压力变化时检测功能件的位移。 通过固定地连接到气缸盖的附加元件(15,17)来提供功能构件和气缸盖(5)之间的机械连接,并且至少附加元件的至少一部分对传感器(19)施加压力,从而限定 当安装在气缸盖(5)上的功能部件准备好经受燃烧室中的压力时,支承表面相对于气缸盖处于固定位置。