Title:
SUBMERSIBLE MOTOR PUMP AND AUTOMATIC STARTING AND STOPPING METHOD FOR SUBMERSIBLE MOTOR PUMP
Document Type and Number:
Japanese Patent JP3814635
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a submersible motor pump having the convenient and, highly reliable function of automatically starting and stopping and its automatic starting and stopping method.
SOLUTION: The submersible motor pump has a temperature sensor 48 to sense the temperature of a motor part 2, a memory device 40 to store the tendency of temperature change classified by operating modes, and an arithmetic device 42 to control the supply of the power to the motor part 2 on the basis of the signal given by the sensor 48 and the tendency of temperature change stored in the memory device 40.
Inventors:
Yoshio Miyake
Teruo Yamaguchi
Nakamasa Yukimasa
Masakazu Yamamoto
Katsushi Iijima
Teruo Yamaguchi
Nakamasa Yukimasa
Masakazu Yamamoto
Katsushi Iijima
Application Number:
JP2000244777A
Publication Date:
August 30, 2006
Filing Date:
August 11, 2000
Export Citation:
Assignee:
EBARA Machinery Co., Ltd.
International Classes:
F04D15/00; F04D13/08; (IPC1-7): F04D15/00; F04D13/08
Attorney, Agent or Firm:
Isamu Watanabe
Shintaro Hotta
Shintaro Hotta
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