利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

2 条记录 (耗时 0.009 秒)

    DRUCKMESSEINRICHTUNG
    2.
    发明公开
    DRUCKMESSEINRICHTUNG 有权
    压力测量装置

    公开(公告)号：EP2102620A1

    公开(公告)日：2009-09-23

    申请号：EP07821387.3

    申请日：2007-10-16

    申请人： Robert Bosch GmbH

    发明人： KERN, Christoph ,  LANDES, Ewgenij ,  ZACH, Reiko ,  SCHUETTOFF, Michael ,  KLEINDL, Michael ,  DOERING, Christian ,  SCHOTT, Steffen ,  SALTIKOV, Pavlo

    IPC分类号： G01L23/10 ,  G01L23/22 ,  F23Q7/00

    CPC分类号： G01L23/222 ,  F23Q2007/005 ,  G01L23/10

    摘要： A pressure-measuring device (1) is used for arrangement in a chamber of an internal combustion engine. The pressure-measuring device (1) has a housing (3), a force transmission element (5) which partially projects from the housing (3) at a chamber-side opening (6) in the housing (3), and a pressure sensor (19) which is arranged in an interior (11) of the housing (3). In this case, the pressure sensor (19) is operatively connected to the force transmission element (5). Provision is also made of a diaphragm (10) which seals the interior (11) of the housing (3), in which the pressure sensor (19) is arranged, with respect to the chamber-side opening (6). The diaphragm (10) which is preferably in the form of a metal diaphragm has a force transmission section (23) which is oriented in an axial direction of the force transmission element (5). In addition, the pressure sensor (19) is operatively connected to the force transmission element (5) by means of the force transmission section (23) of the diaphragm (10). As a result, thermally induced changes in the length of the diaphragm (10), which are caused, for example, by hot fuel gases and result in periodic impairment of the pressure measurement using the pressure sensor (19), are at least partially compensated for.