公开(公告)号：EP2006647A1

公开(公告)日：2008-12-24

申请号：EP08013754.0

申请日：1995-05-24

申请人： Hitachi Ltd. ,  Hitachi Car Engineering Co., Ltd.

发明人： Takayuki, Saito ,  Nobukatsu, Arai ,  Igarashi, Shinya ,  Kobayashi, Chihiro ,  Hirayama, Hiroshi

IPC分类号： G01F1/68 ,  G01F5/00

CPC分类号： G01F1/6842 ,  G01F1/684 ,  G01F5/00

摘要： The invention relates to a thermal type air flow measuring apparatus comprising a body (6) which provides with a main passage (5) and a module which is integrated combination of an auxiliary passage (3) having a bent portion (303) and an electronic circuit (8) electrically connected to a heating resistor (1) disposed in said auxiliary passage (3), wherein said module is attached on said body (6) which has an insertion hole (14) through which said auxiliary passage (3) of said module is inserted into said main passage, said electric circuit (8) is disposed outside of said main passage (5), and wherein said body (6) has a mounting surface (15) for mounting said module thereon, said mounting surface (15) projects from an outer surface of said body, and an inlet (301) of said auxiliary passage (3) is placed in the main passage such that a position the inlet (301) is in an area shifted from a center of a cross section of the main passage and around the center of the main passage.

摘要翻译： 本发明涉及一种热式空气流量测量装置，该装置包括具有主通道（5）的主体（6）和具有弯曲部分（303）的辅助通道（3）和电子装置 （3）中的加热电阻器（1）电连接的电路（8），其中所述模块附接在具有插入孔（14）的所述主体（6）上，所述辅助通道（3）通过所述插入孔 所述模块插入所述主通道中，所述电路（8）设置在所述主通道（5）的外部，并且其中所述主体（6）具有用于在其上安装所述模块的安装表面（15），所述安装表面 15）从所述主体的外表面突出，并且所述辅助通道（3）的入口（301）被放置在主通道中，使得入口（301）的位置处于从十字形的中心偏移的区域 主通道的截面以及主通道的中心周围。