Invention Grant
- Patent Title: Centrifugal pump unit
- Patent Title (中): 离心泵单元
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Application No.: US12994220Application Date: 2009-05-08
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Publication No.: US08690549B2Publication Date: 2014-04-08
- Inventor: Jan Caroe Aarestrup , Keld Folsach Rasmussen
- Applicant: Jan Caroe Aarestrup , Keld Folsach Rasmussen
- Applicant Address: DK Bjerringbro
- Assignee: Grundfos Management a/s
- Current Assignee: Grundfos Management a/s
- Current Assignee Address: DK Bjerringbro
- Agency: Panitch Schwarze Belisario & Nadel LLP
- Priority: EP08010443 20080609
- International Application: PCT/EP2009/003284 WO 20090508
- International Announcement: WO2009/149796 WO 20091217
- Main IPC: F04B17/00
- IPC: F04B17/00
Abstract:
The invention relates to a centrifugal pump assembly with an electric drive motor and with a control device having a frequency converter, for the control of the rotational speed of the drive motor, wherein the control device is designed in a manner such that in at least one control region, a field weakening is produced in the drive motor, by way of which the rotational speed of the drive motor is increased.
Public/Granted literature
- US20110076157A1 CENTRIFUGAL PUMP UNIT Public/Granted day:2011-03-31
Information query
