'hydraulic accumulator, and method for determining a state of charge of a hydraulic accumulator'

摘要

A hydraulic accumulator (1) having a pressure vessel (2), a tube (7) for accepting a first medium (18), where the tube (7) is disposed inside the pressure vessel (2), an interstice (32) for accepting a second medium (30), where the interstice (32) is formed between the pressure vessel (2) and the tube (7), and at least one connection (17, 31) for delivering and discharging the first or second pressurized medium (18; 30) into and from the tube (7) or interstice (32), the delivery of one medium (18) compressing the other medium (30).