发明名称 |
Zentrifugalfluidpumpenanordnung |
摘要 |
A centrifugal fluid pump assembly has a pump body and a controller. The pump body has a housing, a pump section having an impeller rotating inside the housing, an impeller rotational torque generating section having a motor for rotating the impeller and an impeller position control section. The impeller rotates without contacting the housing. The controller has an impeller-floating position control function for changing the floating position of the impeller inside the housing by using the impeller position control section, a function of measuring electric current for driving the motor and a fluid viscosity calculation function for calculating a viscosity of fluid by utilizing a variation amount of the motor-driving electric current obtained by changing the floating position of the impeller. |
申请公布号 |
DE19840399(B4) |
申请公布日期 |
2011.06.09 |
申请号 |
DE1998140399 |
申请日期 |
1998.09.04 |
申请人 |
NTN CORP. |
发明人 |
AKAMATSU, TERUAKI;NOJIRI, TOSHIHIKO;OZAKI, TAKAYOSHI;SUZUKI, MINORU |
分类号 |
A61M1/10;A61M1/00;F04B49/00;F04D15/00 |
主分类号 |
A61M1/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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