| 摘要 |
FIELD: physics. ^ SUBSTANCE: impeller is thermoplastic cast-in. Blades and hub of the impeller are cast-in jointly with spindle and, at least one magnet embedded in hub. The measuring device contains, at least, one impeller and, at least one magnetic transducer mounted close to the impeller. ^ EFFECT: precise and reliable measurement within wide range of speeds at increased pressure and temperature of corrosion medium; low weight of the impeller; low price and simplicity of manufacturing. ^ 11 cl, 3 dwg |
