Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PUMP UNIT
Document Type and Number:
Japanese Patent JP2013027184
Kind Code:
A
Abstract:

To provide a space-saving pump unit which can perform variable speed operation control by the single pump unit while securely releasing heat.

In a pump unit, a pump portion installed in a pump casing and having an impeller and a rotating electric machine rotatably driving the impeller are integrated. The rotating electric machine includes: a housing having a plurality of cooling fins installed on the outer periphery thereof; a stator mounted to the housing; a rotor fixed to a rotating shaft of the rotating electric machine and configured by cylindrically arranging a plurality of permanent magnets; a bearing supporting the rotating shaft; an end bracket to which the bearing is mounted; a fan mounted to an end of the end bracket on a side opposite to a side to which the pump portion is mounted; a cover covering the housing; an electric power conversion system mounted to part of the housing; and a control board mounted to another portion of the housing.


More Like This:
JP2598630[Name of device] Stator of electric motor
JPS5165307DENDOKINO HENIKAKUSOKUTEIHOHO OYOBI SOCHI
Inventors:
TOMITA TOSHIO
OKAFUJI HIROSHI
TAKAHASHI SHINICHI
FUJITA YUKIHISA
Application Number:
JP2011160444A
Publication Date:
February 04, 2013
Filing Date:
July 22, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI IND EQUIPMENT SYS
International Classes:
H02K11/00; F04D15/00; H02K5/20
Domestic Patent References:
JPH0574168U1993-10-08
JP2009278809A2009-11-26
JPH0574168U1993-10-08
JP2007306741A2007-11-22
JP2009278809A2009-11-26
JPH09163681A1997-06-20
JP2003324900A2003-11-14
JP2009275606A2009-11-26
JP2010206991A2010-09-16
Attorney, Agent or Firm:
Manabu Inoue
Yuji Toda
Shigemi Iwasaki



 
Previous Patent: STORAGE CIRCUIT

Next Patent: MOTOR