A submersible pump unit having a wet-running electric motor and only a single impeller can be driven by the electric motor with a rotation speed greater than 20,000 rpm. The rotor of the electric motor has a diameter of less than 25 mm.
申请公布号
US2009010783(A1)
申请公布日期
2009.01.08
申请号
US20060067875
申请日期
2006.08.03
申请人
GRUNDFOS MANAGEMENT A/S
发明人
APPEL KJELD;ANDERSEN EIGIL D.;GLIEMANN JAN HARDING;RASUMSSEN CHRISTIAN
