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2. 发明公开

EP2600116A1 FLOW MEASUREMENT STRUCTURE AND FLOW MEASUREMENT DEVICE 审中-公开
标题翻译：流量测量结构和流量测量装置
公开(公告)号：EP2600116A1
公开(公告)日：2013-06-05
申请号：EP11812226.6
申请日：2011-07-04
申请人： Omron Corporation
发明人： UEDA, Naotsugu , YAMAMOTO, Katsuyuki , NOZOE, Satoshi , MAEDA, Shuji , TSUKUMA, Yuji
IPC分类号： G01F1/00 , G01F1/684 , G01F1/692
CPC分类号： G01F5/00 , G01F1/6842 , G01F1/6845 , G01F1/692 , G01F15/00
摘要： A flow measurement device (1) according to the present invention includes a main flow channel (5) through which fluid flows, and a secondary flow channel unit (20) where the fluid is diverted from the main flow channel (5), supplied to a flow amount detection element (12) and thereafter returned to the main flow channel (5). The secondary flow channel unit (20) includes a diversion flow channel (23) through which the fluid is diverted from the main flow channel (5) and returned to the main channel (5) without the fluid being supplied to the flow amount detection element (12), and a detection channel (27) in which the fluid is diverted from the diversion flow channel (23) and provided to the flow amount detection element (12). The diversion flow channel (23) includes a smooth flow part (45) in which the fluid flows smoothly between the two ends connecting to the main flow channel (5), and a first chamber (41) and a second chamber (42) which, adjacent to the smooth flow part (45), are divided by a partition (43) provided so as to obstruct flow of the fluid. The two ends of the detection channel (27) are connected to the first chamber (41) and the second chamber (42).
摘要翻译：根据本发明的流量测量装置（1）包括流体流过的主流通道（5）和流体从主流通道（5）转向的次流通道单元（20）流量检测元件（12）后返回到主流路（5）。二次流路部（20）具有：分流流路（23），流体从主流路（5）分支而返回到主流路（5），流体不被供给到流量检测元件（12）;以及检测流路（27），流体从分流流路（23）流出并被提供给流量检测元件（12）。分流流路23包括流体在与主流路5连接的两端之间平滑地流动的平滑流动部45以及第一腔室41和第二腔室42，与平滑流动部分（45）相邻的部分被设置用于阻挡流体流动的隔板（43）分开。检测通道（27）的两端连接到第一室（41）和第二室（42）。

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