Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTROMAGNETIC PUMP DEVICE
Document Type and Number:
Japanese Patent JP3697273
Kind Code:
B2
Abstract:

PURPOSE: To make a VVVF (variable voltage and variable frequency power supply device) multiplex or polyphase for application to an electromagnetic pump of large capacity and the reduction of the effect of a high-frequency component on a power supply, without changing the capacity of an electric power conversion element, and provide an electromagnetic pump of large capacity suitable for the VVVF.
CONSTITUTION: A coolant pump device for transferring liquid metal is formed out of an electromagnetic pump 21 having two three-phase windings 21a and 21b, a VVVF 20 consisting of two VVVFs 20a and 20b connected so as to correspond to each of the windings 21a and 21b of the pump 21, and a control device 22 for outputting the same control signal for the cooperative operation of the two VVVFs at the same phase.


Inventors:
坂本 貢
伊藤 潤
荻野 勝
中島 茂
Application Number:
JP1994000175453
Publication Date:
September 21, 2005
Filing Date:
July 27, 1994
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
株式会社東芝
International Classes:
F04B17/04; H02K44/02; H02M5/45; H02M7/483; H02M7/493; (IPC1-7): F04B17/04; H02K44/02
Domestic Patent References:
JP6105533A
Attorney, Agent or Firm:
猪股 祥晃