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Title:
CONTROL DEVICE INTEGRATED TYPE MOTOR PUMP
Document Type and Number:
Japanese Patent JP2011185190
Kind Code:
A
Abstract:

To provide an efficient control device integrated type motor pump.

The control device integrated type motor pump includes a pump 1, a motor 2 driving the pump 1, a control device 3 controlling the motor 2, and a discharge side pressure measuring instrument 16 measuring fluid pressure on a discharge side of the pump. The control device 3 is mounted to a motor casing of the motor 2. The control device 3 has an inverter 25 generating alternating current power of a frequency which is within a band including a commercial frequency or more, a pump control part 30 generating a torque command value for controlling operation of the pump 1, and a vector control part 40 receiving the torque command value and determining a voltage command value to the inverter 25. The motor 2 has a rotor with a plurality of permanent magnets 20.


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Inventors:
OGAWA TAKAHIKO
KATAOKA TADASHI
OZAWA TAKAHIDE
KOMAI MASAKAZU
Application Number:
JP2010052509A
Publication Date:
September 22, 2011
Filing Date:
March 10, 2010
Export Citation:
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Assignee:
EBARA CORP
International Classes:
F04D13/06; F04D15/00; H02K7/14; H02K11/00; H02P21/00; H02P27/04
Domestic Patent References:
JPH0819916B21996-03-04
JP2008075476A2008-04-03
JP2008254886A2008-10-23
JP2010025551A2010-02-04
JP2010032210A2010-02-12
JPH1172096A1999-03-16
JP2002070751A2002-03-08
JP2005039889A2005-02-10
JP2008182881A2008-08-07
JP2010028981A2010-02-04
JPH08210297A1996-08-20
JPH10311290A1998-11-24
JP2004232497A2004-08-19
JP2002195163A2002-07-10
JP2003003985A2003-01-08
JP2003120580A2003-04-23
JPH11315789A1999-11-16
Attorney, Agent or Firm:
Isamu Watanabe
Ryoji Kosugi
Tetsuya Hirosawa