Title:
ELECTRIC MOTOR-DRIVEN VALVE
Document Type and Number:
Japanese Patent JP3040249
Kind Code:
B2
Abstract:
PURPOSE: To provide a means which can cope with abnormality of action, in the case that it is generated in an electric motor-driven valve, promptly and at a low cost.
CONSTITUTION: A valve is constituted such that a factor of its abnormality can be confirmed in a display part 7 by pressing a predetermined alarm display switch 10 by a data memory part 8 of, for instance, EEPROM or the like at the time of generating the abnormality even simultaneously with a power supply off.
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Inventors:
Makoto Hirano
Harukazu Shimizu
Yasuhiro Nakahara
Harukazu Shimizu
Yasuhiro Nakahara
Application Number:
JP8088192A
Publication Date:
May 15, 2000
Filing Date:
April 02, 1992
Export Citation:
Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
F16K31/04; F16K37/00; (IPC1-7): F16K31/04
Domestic Patent References:
| JP3230783A |