COMMAND REDUCTION GEAR Russian patent published in 2009 - IPC G05D16/00 

FIELD: mechanical engineering.

SUBSTANCE: suggested invention refers to control valves and may be used for gas medium in gas facilities, chemical industry, gas facilities and so on. Command reduction gear includes command body with stem and springs, operational body with fitted in it valve which is made integral with command piston and has contact butt end resting against support sealing insert when reduction gear is unloaded. Herewith, the valve is made tubular in the form of hollow cylinder, the command piston is fitted with shouldered bushing fixed on it on both sides. On both sides of the shoulder springs are installed.

EFFECT: control force reduction, simplification of design with keeping merits of regulators of known designs.

1 dwg