DICHTUNGSEINRICHTUNG FUER HIN- UND HERGEHENDE KOLBEN VON MOTOREN

A sealing device for pistons comprises a piston-ring groove having upper and lower annular inclined surfaces forming a nearly V-shape in cross-section, a piston ring having an annular inclined surface that bears tightly against the lower annular inclined surface of the piston-ring groove, and an aux...

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Bibliographic Details
Main Author ARAI, YOSHIO, MATSUDO, CHIBA (JAPAN)
Format Patent
LanguageGerman
Published 28.02.1980
Subjects
BLASTING
CYLINDERS
DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
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
PISTONS
SEALINGS
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A sealing device for pistons comprises a piston-ring groove having upper and lower annular inclined surfaces forming a nearly V-shape in cross-section, a piston ring having an annular inclined surface that bears tightly against the lower annular inclined surface of the piston-ring groove, and an auxiliary ring having an annular inclined surface that slides downwardly along the upper and annular inclined surface of the piston-ring groove to force the piston ring downwardly along the lower annular inclined surface of the piston-ring groove and expand the piston ring.
Bibliography:Application Number: DE19792933674