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Patent Searching and Data


Title:
ROTATING MACHINE INTEGRATED WITH CONTROLLER, AND INVERTER
Document Type and Number:
WIPO Patent Application WO/1998/019389
Kind Code:
A1
Abstract:
A rotating machine integrated with a controller, which can reduce the manufacturing cost of a variable speed pump, fan, etc., and can easily set a control program at the site of installation, and an inverter suitable for the rotating machine. The rotating machine is a pump, fan, or the like and has a controller (10) incorporated in the rotating machine and provided with an inverter (20) which drives the rotating machine, a memory (11) in which a program (11A) for controlling the inverter (20) and a program (11B) for controlling the operation of the rotating machine are stored, a CPU (12) which operates in accordance with a program stored in the memory (11), an input/output section (15) which is connected to sensors and switches installed in the rotating machine, one or a plurality of serial ports (14) for communication with the CPU (12), and a means which rewrites the stored contents of the memory (11). A plurality of control programs are stored in the memory (11), and a means which switches the control program in use from the outside is provided. In the inverter (20), a circuit board mounted with circuit parts is integrally molded with molding resin and only input/output wires and interface terminals are led out from the molding resin.

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Inventors:
NAKAJIMA KAORU (JP)
TADOKORO YASUKI (JP)
Application Number:
PCT/JP1997/003965
Publication Date:
May 07, 1998
Filing Date:
October 30, 1997
Export Citation:
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Assignee:
EBARA CORP (JP)
EBARA DENSAN LTD (JP)
NAKAJIMA KAORU (JP)
TADOKORO YASUKI (JP)
International Classes:
H02P27/06; H02K11/04; H02P5/74; H02P23/00; (IPC1-7): H02P7/63; H02P7/74
Foreign References:
JPH08256492A1996-10-01
JPH09149691A1997-06-06
JPH06335291A1994-12-02
JPH0393494A1991-04-18
Other References:
See also references of EP 0936729A4
Attorney, Agent or Firm:
Watanabe, Isamu (4th floor 5-8, Nishi-Shinjuku 7-chom, Shinjuku-ku Tokyo, JP)
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