发明公开
EP3088729A1 KRAFTSTOFFINJEKTOR SOWIE VORRICHTUNG UND VERFAHREN ZUR MONTAGE EINER MESSEINRICHTUNG
失效 - 权利终止

基本信息:
- 专利标题: KRAFTSTOFFINJEKTOR SOWIE VORRICHTUNG UND VERFAHREN ZUR MONTAGE EINER MESSEINRICHTUNG
- 专利标题(英):Fuel injector and device and method for assembly of a measuring device
- 专利标题(中):喷油嘴和装置和方法用于安装测量装置
- 申请号:EP16165757.2 申请日:2016-04-18
- 公开(公告)号:EP3088729A1 公开(公告)日:2016-11-02
- 发明人: Berner, Roland , Junger, Dieter , Koblmiller, Peter , Bormann, Axel , Malt, Falko , Leukert, Torsten , Forke, Martin , Schaich, Udo , Zeck, Fridolin
- 申请人: ROBERT BOSCH GMBH
- 申请人地址: Postfach 30 02 20 70442 Stuttgart DE
- 专利权人: ROBERT BOSCH GMBH
- 当前专利权人: ROBERT BOSCH GMBH
- 当前专利权人地址: Postfach 30 02 20 70442 Stuttgart DE
- 优先权: DE102015208117 20150430; DE102015208488 20150507
- 主分类号: F02M65/00
- IPC分类号: F02M65/00 ; F02M57/00
The invention relates to a fuel injector (10), in particular common rail injector, having an injector housing (11), in which a high-pressure chamber (15) is formed, which arranged above one in the injector housing (11) supply bore (19) with pressurized fuel is supplied, connected with at least one at least indirectly to the high-pressure chamber (15) in the injector housing (11) shaped injection opening (12) for injecting fuel into the combustion chamber of an internal combustion engine, with a said at least one injection opening (12) releasing or closing injection member (16), and with a measuring device (30) for at least indirect detection of the pressure in the high pressure chamber (15) or the supply bore (19), wherein the measuring device (30) is adapted to an elastic deformation of at least indirectly to the supply bore (19 ) or the high pressure chamber (15) arranged in operative connection deformation region (27) to be detected, wherein the measuring device (30) comprises an in particular a piezo element (31) complete sensing element (32) which is disposed in operative connection with the surface of the deformation region (27) and wherein the sensor element (32) by means of the sensor element (32) covering device in the direction of the deformation region (27) with a prestressing force (F) is at least partially acted upon by force,