Device for indicating angle of opening of concealed stem valve

This invention relates to an opening indicating device with blind rod valve gate composed of drive gear, driven gear, pointer, indicator dial and gear box in which the drive gear is fixed on the valve rod characterizing that the driven gear is made up of two in-line gears with different gears clutch...

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Bibliographic Details
Main Authors GUANGHUI CHEN, QINING ZHOU, DONGQING SHI
Format Patent
LanguageEnglish
Published 07.05.2003
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:This invention relates to an opening indicating device with blind rod valve gate composed of drive gear, driven gear, pointer, indicator dial and gear box in which the drive gear is fixed on the valve rod characterizing that the driven gear is made up of two in-line gears with different gears clutched with the drive gear, one of which is fixed at the gear axis, the other one connects to the gear axis in running, th e indicator, dial and pointer rotate along two driven wheels and deflection angle generated between the indicating dial and the pointer expresses the valve gate corresponding opening valve.
Bibliography:Application Number: CN2002143038