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Patent Searching and Data


Title:
ELECTRIC MOTOR-DRIVEN PUMP
Document Type and Number:
Japanese Patent JPH10246193
Kind Code:
A
Abstract:

To attain miniaturization and lightening of weight, and easily perform supply/discharge of water by forward/reverse rotation operating of a motor.

In a stator assembly 1, a rotor assembly 2 is rotatably stored, the stator assembly has a stator core 12 provided with an excitation winding in each magnetic pole, the rotor assembly has a rotor core 21 of 4-pole salient structure, the rotor core is formed with a recessed part 28 communicating with an axial direction of a rotor shaft 23 in a peripheral part, by this recessed part, an axial flow blade is formed. The rotor core is rotatably supported by a sleeve bearing 22 fixing the rotor shaft in a support member 24. In non-core part of the rotor assembly, a current plate 32 is arranged. Liquid is fed from a liquid inflow guide 35 to a liquid outflow guide 36 through the current plate, rotor core and the current plate.


Inventors:
TAKURA TOSHIYASU
TANABE YOSHIFUMI
Application Number:
JP5017697A
Publication Date:
September 14, 1998
Filing Date:
March 05, 1997
Export Citation:
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Assignee:
TEC CORP
International Classes:
F04D3/02; F04D3/00; F04D13/06; F04D29/18; H02K1/24; (IPC1-7): F04D3/02; H02K1/24
Attorney, Agent or Firm:
Takehiko Suzue (6 outside)