发明名称 Perfected differential flowmeter.
摘要 <p>A flowmeter (1) comprising two U-shaped coplanar tubes (2, 3) carrying an upstream fluid ( PHI 1, PHI 2); a body (4) inside which the ends of the tubes (2, 3) are fitted; first means (27) for oscillating the tubes (2, 3) at their resonance frequency about an axis (A-A) defined by the points at which the tubes (2, 3) are fitted to the body (4); and second means (32, 33) for determining the tilt angle of central portions (5, 6) of the tubes (2, 3) opposite the body (4). From each central portion (5, 6), there originate two lateral arms (7, 11 and 8, 12); the arms (7, 11) of the first tube (2) respectively defining an obtuse and an acute angle with its central portion (5), and the arms (8, 12) of the second tube (3) respectively defining an acute and an obtuse angle with its central portion (6). &lt;IMAGE&gt;</p>
申请公布号 EP0441328(A1) 申请公布日期 1991.08.14
申请号 EP19910101543 申请日期 1991.02.05
申请人 BELLCO S.P.A. 发明人 CIANCIAVICCHIA,DOMENICO;FACCHINI,MAURO;MORSELLI,MASSIMO;PRADELLI,ALESSANDRO
分类号 A61M1/16;G01F1/84 主分类号 A61M1/16
代理机构 代理人
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