Title:
FLOW MEASUREMENT STRUCTURE AND FLOW MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/014633
Kind Code:
A1
Abstract:
The disclosed flow measurement device (1) is provided with a main flow channel (5) through which a fluid flows, and a secondary flow channel unit (20) where 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) is provided with a diversion flow channel (23) through which a fluid is diverted from the main flow channel (5) and returned to the main channel (5) without said fluid being supplied to the flow amount detection element (12), and a detection channel (27) in which said fluid is diverted from the diversion flow channel (23) and provided to the flow amount detection element (12). The diversion flow channel (23) is provided with a smooth flow part (45) in which said 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).
Inventors:
UEDA, Naotsugu (())
上田 直亜 (())
YAMAMOTO, Katsuyuki (())
山本 克行 (())
NOZOE, Satoshi (())
上田 直亜 (())
YAMAMOTO, Katsuyuki (())
山本 克行 (())
NOZOE, Satoshi (())
Application Number:
JP2011/065292
Publication Date:
February 02, 2012
Filing Date:
July 04, 2011
Export Citation:
Assignee:
OMRON CORPORATION (801 Minamifudodo-cho, Horikawahigashiiru Shiokoji-dori, Shimogyo-ku, Kyoto-sh, Kyoto 30, 〒6008530, JP)
オムロン株式会社 (〒30 京都府京都市下京区塩小路通堀川東入南不動堂町８０１番地 Kyoto, 〒6008530, JP)
UEDA, Naotsugu (())
上田 直亜 (())
YAMAMOTO, Katsuyuki (())
山本 克行 (())
オムロン株式会社 (〒30 京都府京都市下京区塩小路通堀川東入南不動堂町８０１番地 Kyoto, 〒6008530, JP)
UEDA, Naotsugu (())
上田 直亜 (())
YAMAMOTO, Katsuyuki (())
山本 克行 (())
International Classes:
G01F1/00; G01F1/684; G01F1/692
Attorney, Agent or Firm:
MASUI, Yoshihisa et al. (HARAKENZO WORLD PATENT & TRADEMARK, Daiwa Minamimorimachi Building 2-6, Tenjinbashi 2-chome Kita, Kita-ku, Osaka-sh, Osaka 41, 〒5300041, JP)
Claims:
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