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Patent Searching and Data


Title:
ELECTROMAGNETIC PUMP
Document Type and Number:
Japanese Patent JP2004304893
Kind Code:
A
Abstract:

To provide an electromagnetic pump, in which an iron core is brought into close contact with the outer periphery of an external duct by a uniform clamping force in the peripheral direction with a small clamping mechanism and which has small external dimensions and little pressure loss.

This electromagnetic pump, including a plurality of external iron cores 3 and a plurality of solenoid coils 2 provided at the outer periphery of a tubular external duct 5; a casing 23 which is connected to the external duct 5 via a bottom plate 29 and covers the external iron cores 3 and the outer periphery of each of the solenoid coils 2; and an internal stator 12 provided in the central hole of the external duct 5 at an arbitrary gap, comprises a disc-shaped ring 27a, which connects the ends of the plurality of external iron cores 3 to each other or is connected to the bottom plate 29.


Inventors:
AIZAWA TOSHIE
FUNATO MINORU
KATSUKI KENJI
OTA HIROYUKI
ABE HIROAKI
TAGUCHI JUNZO
Application Number:
JP2003000093160
Publication Date:
October 28, 2004
Filing Date:
March 31, 2003
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
F04B9/00; H02K44/06; (IPC1-7): H02K44/06; F04B9/00
Attorney, Agent or Firm:
猪股 祥晃
菊池 治
猪股 弘子