Druck/Durchflussratensteuerventil

A pressure adjustment device (23) is provided with a valve plug (82) for reducing the pressure of a pressure fluid based on the clearance between it and a seat part (94). A rod (86) has a seal (89) to be displaced together with the valve plug, and a spring element (76) which is attached to one end o...

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Bibliographic Details
Main Authors HOSONO, MASAYUKI, YANG, QINGHAI
Format Patent
LanguageGerman
Published 22.04.2004
Edition7
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
CONTROLLING
DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
FLUID-PRESSURE ACTUATORS
FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HYDRAULICS OR PNEUMATICS IN GENERAL
LIGHTING
MECHANICAL ENGINEERING
PHYSICS
REGULATING
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:A pressure adjustment device (23) is provided with a valve plug (82) for reducing the pressure of a pressure fluid based on the clearance between it and a seat part (94). A rod (86) has a seal (89) to be displaced together with the valve plug, and a spring element (76) which is attached to one end of the rod, to press the plug onto an annular projection (92) on the inside wall surface of a first valve body (12). When the secondary pressure supplied from a secondary connection (30) is balanced by the biasing force of the spring element, the valve assumes a closed state, and the plug rests on the seat part. An independent claim is included for a pressure or flow-rate control valve.
Bibliography:Application Number: DE20001010602