Device insertable in a pipeline, with improved capacity for...

Details Device insertable in a pipeline, with improved capacity for... Device insertable in a pipeline, with improved capacity for...

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 55/07 (2006.01) F16K 17/28 (2006.01) F16L 55/136 (2006.01) F17D 3/18 (2006.01) F17D 5/00 (2006.01)

Patent

CA 2506386

The invention relates to a device intended to be introduced into a pipeline (1) for circulating a fluid and comprising an operational element (2), a central connecting rod (6) and a plurality of radial lugs (3), these lugs being linked to the operational element (2) by means of the connecting rod (6) and extending, under the effect of an elastic force, like umbrella spokes, to press against the inside of the pipeline (1). According to the invention, the lugs (3) are spaced regularly around a same fitting (4), and the elastic force is at least partly constituted of a turning torque applied to the lugs through support means (5) constituted, for example, by an axial spring (52) pushing a stop washer (51) mounted to slide on the connecting rod (6).

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