Title:
AXIAL FLOW POSITIVE DISPLACEMENT FLOWMETER
Document Type and Number:
WIPO Patent Application WO/2010/023995
Kind Code:
A1
Abstract:
An axial flow positive displacement flowmeter capable of reducing pressure loss, manufacturable at low cost, and having high accuracy. The axial flow positive displacement flowmeter (1) comprises a pair of rotors (10) of a same shape and a same size with different torsional directions, a casing (4) in which the rotors (10) are housed, an inlet side cover (2) for sealing the inflow side end of the casing (4), an inlet port (21) formed in the flange (22) of an inlet side cover (2), an outlet side cover (3) for sealing the outlet side end of the casing (4), and an outlet port (31) formed in the flange (32) of the outlet side cover (3). The inlet port (21) and the outlet port (31) are arranged in alignment with each other along the flowing direction of a fluid to be metered.
Inventors:
UCHIDA, Katsuichi (10-8 Kamiochiai 3-chom, Shinjyuku-ku Tokyo 08, 〒1618508, JP)
Application Number:
JP2009/058901
Publication Date:
March 04, 2010
Filing Date:
May 13, 2009
Export Citation:
Assignee:
OVAL Corporation (10-8, Kamiochiai 3-chome Shinjyuku-k, Tokyo 08, 〒1618508, JP)
株式会社オーバル (〒08 東京都新宿区上落合３丁目１０番８号 Tokyo, 〒1618508, JP)
株式会社オーバル (〒08 東京都新宿区上落合３丁目１０番８号 Tokyo, 〒1618508, JP)
International Classes:
G01F3/10
Attorney, Agent or Firm:
OKADA, Hiroyuki (NAGISA PATENT OFFICE, 9th FloorSalute Bldg., 72, Yoshida-cho,Naka-ku, Yokohama-sh, Kanagawa 41, 〒2310041, JP)
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