Pressure vessel and method of manufacture thereof

Details Pressure vessel and method of manufacture thereof Pressure vessel and method of manufacture thereof

F - Mech Eng,Light,Heat,Weapons

25

B

F25B 43/00 (2006.01) B23K 20/12 (2006.01) B60H 1/32 (2006.01) F17C 1/14 (2006.01)

Patent

CA 2216290

A pressure vessel suitable for use in an automotive air-conditioning system includes a cylindrical body (10, 40) including an annular wall (14, 44). The cylindrical body preferably includes an opposite closed end, an initially opened end (12, 42), and a closure member (20, 50) inserted into the open end of the cylindrical body. The closure member and the cylindrical body each have extensions or annular flanges (28, 58) which are spin welded together. The cylindrical body is fused to the closure member when the annular flange (28, 58) of the closure member is spin welded to an annular, outermost portion (18, 48) of the cylindrical body. The closure member and the cylindrical body are further locked together by inwardly rolling a portion of the annular wall into an annular groove (30, 60) and an outermost surface of the closure member.

Récipient à pression à utiliser dans un système de conditionnement d'air automobile comprenant un corps cylindrique (10,40) à paroi annulaire (14, 44). Le corps cylindrique est constitué préférablement d'une extrémité opposée fermée, d'une extrémité initialement ouverte (12, 42), et d'un élément de fermeture (20, 50) inséré dans l'extrémité ouverte du corps cylindrique. L'élément de fermeture et le corps cylindrique ont chacun des prolongements ou des brides annulaires (28, 58) qui sont soudés ensemble par friction. Le corps cylindrique est réuni par fusion à l'élément de fermeture lorsque la bride annulaire (28, 58) de l'élément de fermeture est soudée par friction à une partie annulaire à l'extrémité (18, 48) du corps cylindrique. L'élément de fermeture et le corps cylindrique sont joints encore plus étroitement en roulant une partie de la paroi annulaire à l'intérieur d'une rainure annulaire (30, 60) située à la surface extérieure de l'élément de fermeture.

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