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1. (WO2018122111) ACCUMULATOR

Pub. No.:    WO/2018/122111    International Application No.:    PCT/EP2017/084175
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Fri Dec 22 00:59:59 CET 2017
IPC: F15B 1/24
F15B 20/00
Applicants: EATON SAS
Inventors: BARRAS, Guillaume
Title: ACCUMULATOR
Abstract:
The invention relates to an accumulator comprising: - a main cylindrical housing with a closed first axial end; - a piston arranged in the main cylindrical housing and sealed to the inner surface of the main cylindrical housing, which piston is movable in axial direction and provides with the main cylindrical housing and the closed first axial end a variable accumulating space; - urging means arranged between the piston and the second axial end of the main cylindrical housing for urging the piston towards the first axial end; - a fluid supply opening arranged in the first axial end, which fluid supply opening is in fluid connection with the variable accumulating space; and - a protective cylindrical housing arranged concentrically with and spaced apart from the main cylindrical housing, wherein the protective cylindrical housing is arranged with a first axial end to the first axial end of the main cylindrical housing and wherein the second axial end of the protective cylindrical housing is closed and space apart from the second axial end of the main cylindrical housing.