Title:
PUMP DEVICE
Document Type and Number:
Japanese Patent JP2000265985
Kind Code:
A
Abstract:
To prevent noise from being easily generated, improve durability of parts, and restrain heat generation on a motor.
In a pump device, impellers 4, 5 are provided on an output shaft 16 of a motor, and fluid is fed out by rotationally driving the impellers. A bearing support part 2d for supporting bearing devices 12, 13 for rotationally bearing the output shaft 16 on a casing 2 for constituting a pump part of the pump device, and a stator support part 2c for supporting a stator core 17 are provided. An impeller chamber 10A is provided next to the stator support part 2c on the opposite side to the stator core 17 through the casing 2.
Inventors:
YUMITA YUKINOBU
Application Number:
JP6695499A
Publication Date:
September 26, 2000
Filing Date:
March 12, 1999
Export Citation:
Assignee:
SANKYO SEIKI SEISAKUSHO KK
International Classes:
A47L15/42; F04D9/02; F04D13/02; F04D13/06; F04D29/44; H02K7/14; H02K21/22; (IPC1-7): F04D9/02; F04D13/02; F04D13/06; F04D29/44; H02K7/14
Attorney, Agent or Firm:
Shuji Watanabe