Patent ID: 6789577
Filing Date: 2004-09-14
Classification: F15B,Y10S

Abstract:
A hydropneumatic pressure accumulator, comprising:an accumulator housing formed by an outer tube having an inside surface; a flexible separating element located in said outer tube and formed by a section of hose extending along a longitudinal axis of said outer tube, said hose having a closed longitudinal end, an open longitudinal end and an outside surface; a seal between said hose and said outer tube to provide inner and outer receiving spaces inside and outside said hose, respectively, separated by said hose within said outer tube; a support body surrounded by said hose and having fluid passages and sections which are non-round in cross-sectional shape, said support body including a tube body with openings in a wall thereof and with indentations in a longitudinal area thereof reducing a cross section of said tube body on a majority of a length thereof between end areas thereof, said end areas of said tube body being free of indentations, extending along said inside surface of said outer tube and being spaced from said inside surface of said outer tube at a distance corresponding essentially to a thickness of said hose, said closed longitudinal end of said hose being between said end areas of said tube body and said inside surface of said outer tube; and an anchoring on said open end only coupling said open end and an adjacent end of said support body along said outer tube, said outside surface of said hose being only slightly smaller than said inside surface of said outer tube facing said outside surface.