PROTECTIVE DEVICE FOR PUMP

Title:

PROTECTIVE DEVICE FOR PUMP

Document Type and Number:

Japanese Patent JPH07317664

Kind Code:

A

Abstract:

PURPOSE: To give the interrupting capability to a pump itself by operating an automatic cut protective device when an external abnormality signal is inputted.

CONSTITUTION: A pump 1 stores an automatic cut protective device 13 opening a bimetal switch via the temperature rise when the temperature of a motor abnormally rises, interrupting the winding circuit of the motor, and stopping the motor. The temperature rise is sent to the automatic cut protective device 13 via the external abnormality signal 8 related with the operation of the pump 1, the bimetal switch of the protective device 13 is opened, and the motor is stopped.

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Inventors:

KAWAGUCHI HITOSHI
MIYAKE YOSHIO
ISEMOTO KOUJI
UEI KEITA
MIYAZAKI YOSHIAKI

Application Number:

JP13519094A

Publication Date:

December 05, 1995

Filing Date:

May 25, 1994

Export Citation:

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Assignee:

EBARA CORP

International Classes:

F04C2/00; F04B49/10; H02K7/14; (IPC1-7): F04B49/10; F04C2/00; H02K7/14

Attorney, Agent or Firm:

Isamu Watanabe (1 person outside)

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