FLUID INTERRUPTING DEVICE

PROBLEM TO BE SOLVED: To provide a fluid interrupting device having a valve element position detecting mechanism for positively detecting the present position of a valve element by a simple low-cost mechanism and parts in the fluid interrupting device for a motor-driven valve. SOLUTION: In this flui...

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Bibliographic Details
Main Authors NOMA ATSUSHI, SUGANO HIROYUKI, UMETSU MASAYUKI
Format Patent
LanguageEnglish
Published 12.03.2003
Edition7
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide a fluid interrupting device having a valve element position detecting mechanism for positively detecting the present position of a valve element by a simple low-cost mechanism and parts in the fluid interrupting device for a motor-driven valve. SOLUTION: In this fluid interrupting device for opening/closing a passage 10 formed in a device casing 1, by the valve element 4 driven by a motor 3, the valve element position detecting mechanism 5 is composed of a magnetic substance 50 interlocked with the valve element 4; a coil 52 disposed in an outside position of the passage 10 and changed in inductance by the far and near distance of the magnetic substance 50; and an inductance detecting means 53 for detecting the inductance of the coil 52. The position of the valve element 4 is detected by the difference of the inductance.
Bibliography:Application Number: JP20010261905