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Patent Searching and Data


Title:
ELECTROMAGNETIC PUMP
Document Type and Number:
Japanese Patent JPH0898503
Kind Code:
A
Abstract:

PURPOSE: To improve performance by reducing the negative electromagnetic force for preventing the flow of conductive fluid generated at the exit/entrance edge part of the magnetic circuit of an electromagnetic pump.

CONSTITUTION: In an electromagnetic pump consisting of an inner core 6, an outer core 2 laid out at a position corresponding to the inner core, a plurality of excitation coils 3 provided at a cut-out part formed at least at either the inner or outer core, and a duct 5 for leading a conductive fluid 4 provided between the inner and outer cores, extension cores 7 and 17 which are longer than the clearance length of the excitation coils 3 and do not have the excitation coils are provided at least at one of the exit/entrance edge parts of the inner/ outer cores.


Inventors:
SHIMIZU TAKESHI
MATSUZAWA HIDETSUGU
Application Number:
JP1994000230841
Publication Date:
April 12, 1996
Filing Date:
September 27, 1994
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
H02K44/06; (IPC1-7): H02K44/06
Attorney, Agent or Firm:
則近 憲佑