Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CANNED MOTOR PUMP
Document Type and Number:
Japanese Patent JPH0842483
Kind Code:
A
Abstract:

PURPOSE: To prevent a partition wall from cracking or deforming, also reduce air gaps, and improve motor efficiency, pump efficiency, and the life of a motor.

CONSTITUTION: One of two chambers partitioned with a partition wall 27 is set to be a motor chamber 21, and the other is set to be a pump chamber 28 to which cooling water L is fed. In the motor chamber 21, a plurality of cores 23 wound with stator coils 25 are radially arranged. In the pump chamber 28, an impeller 30 rotationally movably held is arranged, in which rotor magnets 32 are arranged on the back so as to oppose to a plurality of the cores 23. The extreme end 23a of each core 23 fittingly penetrates the partition wall 27 and exposed to the pump chamber 28.


Inventors:
ITO ATSUSHI
Application Number:
JP1994000178290
Publication Date:
February 13, 1996
Filing Date:
July 29, 1994
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
AISAN IND
International Classes:
F04D13/02; F04D13/06; F04D29/58; (IPC1-7): F04D13/06; F04D29/58
Attorney, Agent or Firm:
飯田 堅太郎 (外1名)