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Title:
ELECTRIC PUMP
Document Type and Number:
Japanese Patent JP2012052506
Kind Code:
A
Abstract:

To provide an electric pump, in which leakage of liquid can be prevented for a long period of time.

The electric pump 101 includes: a stator 107 disposed between a first rotor 108 and a second rotor 109; a first pump chamber C1 which houses the first rotor 108 and a first liquid feeding member 133 and in which water fed by the first feeding member 133 circulates; a second pump chamber C2 which houses a second liquid feeding member 137 and in which oil fed by the second feeding member 137 circulates; a motor chamber C3 which is present between the first pump chamber C1 and the second pump chamber C2 and which houses the stator 107 and the second rotor 109; and a first partitioning member 105 which can transmit magnetic force, is not in contact with the first rotor, and partitions the motor chamber C3 from the first pump chamber C1 so as to prevent a liquid from moving between the motor chamber C3 and the first pump chamber C1.


Inventors:
MATSUMOTO TAKASHI
KITAHATA KOJI
Application Number:
JP2010197564A
Publication Date:
March 15, 2012
Filing Date:
September 03, 2010
Export Citation:
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Assignee:
JTEKT CORP
International Classes:
F04D13/12; F04C2/10; F04D13/06; H02K21/24
Attorney, Agent or Firm:
Inaoka cultivation
Mio Kawasaki
Goromaru Masami