Accumulator having a bladder to be filled with liquid

Pipes and tubular conduits – With pressure compensators – Variable capacity chambers

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F16L 5504

Patent

active

041664787

ABSTRACT:
The hydropneumatic accumulator disclosed herein comprises a rigid upright vessel, the mouth of which is at the bottom, containing an inverted bag-like bladder. The mouths of the vessel and of the bladder are sealed to one another. The bladder extends upwardly within the vessel interior and divides the same into inner and outer compartments which respectively contain an incompressible liquid medium and a compressible gaseous medium. To protect the bladder from damage by uncontrolled flexure of its wall in response to variations in the relative pressures within the inner and outer compartments, an inverted conical shape-defining member projects down into the upper closed end of the bladder and a perforated rigid shell projects upwardly into the bottom of the bladder. In addition, vertically extending circumferentially spaced stiffening ribs are formed in the wall of the bladder to hold the bladder upright.

REFERENCES:
patent: 1950107 (1934-03-01), Guinn et al.
patent: 2342356 (1944-02-01), Mercier
patent: 2563257 (1951-08-01), Loukonen
patent: 3195577 (1965-07-01), Greer
patent: 3483893 (1969-12-01), Morley
patent: 3580290 (1971-05-01), Sugimura et al.
patent: 3674053 (1972-07-01), Murman et al.

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