HIGH-PRESSURE ALL-COMPOSITE CYLINDER Russian patent published in 2009 - IPC F17C1/06

Abstract RU 2358187 C2

FIELD: mechanics.

SUBSTANCE: cylinder is comprised of an inner sealing metal liner with cylindrical ring and two semi-spherical or elliptical bottoms and external pressure shells. The above mentioned semi-spherical or elliptical bottoms are welded to the cylindrical ring by means of backing rings. The external pressure shell is made from composite material and implemented with continuously wounded strands or woven bands from composite material impregnated with binding compound. The strands or bands are wounded in two layers - helical and circular. The thickness of helical and circular layers is assumed no less than , where, δ_hel, δ_cir - thicknesses of helical and circular layers accordingly; δ_l - thickness of liner wall; E_l - liner material modulus of elasticity; E_th - modulus of elasticity of composite material along thread; P_max - maximum operating pressure; R - mean radius of pressure shell on cylindrical part of liner; σ_yl - yield stress of liner material.

EFFECT: invention allows for extending cylinder serviceability period.

1 dwg

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RU 2 358 187 C2

Authors

Arkhipov Jurij Sergeevich

Buldashev Sergej Alekseevich

Dates

2009-06-10—Published

2007-02-26—Filed