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    • 1. 发明申请
    • PRESSURE GAUGE
    • 压力测量装置
    • WO2008043594A3
    • 2008-06-05
    • PCT/EP2007058496
    • 2007-08-16
    • BOSCH GMBH ROBERTDOERING CHRISTIANKERN CHRISTOPHSCHOTT STEFFENSALTIKOV PAVLOKLEINDL MICHAELLANDES EWGENIJ
    • DOERING CHRISTIANKERN CHRISTOPHSCHOTT STEFFENSALTIKOV PAVLOKLEINDL MICHAELLANDES EWGENIJ
    • G01L23/22F23Q7/00
    • F23Q7/001F02P19/028F23Q2007/002G01L19/0084G01L23/10
    • The invention relates to a pressure gauge (1) for arranging in a chamber of an internal combustion engine. Said pressure gauge (1) comprises a housing (3), a force transmission element (6) which projects out of the housing (3), and a pressure sensor (23) which is arranged inside the housing (3). The pressure sensor (23) is supported on a fixing element and is actively connected to the force transmission element (6) for detecting a pressure in the chamber. The pressure sensor (23) comprises a continuous recess (26) through which an electrical line (7) is guided. The pressure gauge is provided with a positioning element (20) comprising a continuous recess (31) in a guiding region (30), the electrical line (7) being guided through the continuous recess (31) and the positioning element (20) having a reduced thickness in the guiding region (30). In this way, friction of the electrical line (7) on the continuous recess (31) in the guiding region (30) can be reduced, thereby improving the pressure measurement.
    • 压力测量装置(1)用于放置在内燃机的一个腔室中。 压力测量装置(1)包括壳体(3),其从所述壳体(3),以及设置在所述壳体(3)的内部的压力传感器(23)突出的力传递元件(6)。 在这里,所述压力传感器(23)(17)支持针对固定构件一只手。 此外,在另一方面,压力传感器(23),用于检测在与可操作地连接的力传递元件(6)的腔室压力的通行。 所述压力传感器(23)具有通过其的电线(7)被导向一个连续凹部(26)。 此外,一个定位件(20)被设置在导向部分(30)具有连续的凹部(31),所述电线(7)穿过所述通凹部(31)被引导,并且其中,在所述引导部分定位件(20) (30)具有减小的厚度。 这可以减少在通过凹口(31)在引导部分(30)的电线(7)的摩擦,使得压力测量得到改善。
    • 2. 发明申请
    • SHEATHED-ELEMENT HEATER PLUG WITH INTEGRATED PRESSURE MEASURING ELEMENT
    • 带集成式压力测量元件的轻便铅笔
    • WO2006108738A3
    • 2006-12-14
    • PCT/EP2006060421
    • 2006-03-03
    • BOSCH GMBH ROBERTKERN CHRISTOPHSCHOTT STEFFENSALTIKOV PAVLO
    • KERN CHRISTOPHSCHOTT STEFFENSALTIKOV PAVLO
    • F23Q7/00
    • F23Q7/001F02P19/028F23Q2007/002G01L23/10Y10T29/49083
    • A combustion-signal based control system requires a reliable, cost-effective option for detecting the pressure in the combustion chamber of compression-ignition internal combustion engines. The invention thus relates to a sheathed-element heater plug (110) comprising a heater plug module (112) and a pressure measuring module (114) that is connected to the heater plug module (112). The heater plug module (112) comprises a heating body (124) and a heater plug housing (118). The pressure measuring module (114) comprises at least one force measuring element (132) that is integrated into the pressure measuring module (114). The force measuring element(s) (132) is or are configured to generate an electric signal in accordance with a force (130). Said element or elements (132) is or are connected to the heating body (124), when the sheathed-element heater plug (110) is fitted, in such a way that a force (130) can be transferred to the force measuring element (132) or elements via said heating body (124).
    • 特别地,基于燃烧室压力信号的发动机控制是需要检测自燃内燃机中的燃烧室压力的可靠和成本有效的方式。 因此,提出了一种电热塞(110),其具有电热塞模块(112)和连接至电热塞模块(112)的压力测量模块(114)。 电热塞模块(112)具有散热器(124)和插头壳体(118)。 压力测量模块(114)具有至少一个集成在压力测量模块(114)中的测力元件(132)。 所述至少一个力感测元件(132)被配置为响应于力(130)而生成电信号。 所述至少一个力测量元件(132)是在预热塞(110)的组装状态下被连接到散热器(124),使得在所述至少一个力测量元件(132)上的散热器(124)的力(130)是转让。