Description
Class F15B : SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
Subclass 1/20: Installations or systems with accumulators; Supply reservoir or sump assemblies Installations or systems with accumulators (devices damping pulsations or vibrations in fluids for use in, or in connection with, pipes or pipe systems F16L 55/04) Accumulators (connection of valves to inflatable elastic bodies B60C 29/00) using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means Anti-extrusion means fixed to the separating means