F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 7/00 (2006.01)
Patent
CA 2538097
The invention relates to a spacing and centring device for a rigid double-wall duct (110), for example of the winding type, which is intended for the transport of hydrocarbons. The rigid duct (110) comprises two coaxial tubes (116, 118) which are separated by an annular space (114). According to the invention, the spacing and centring device is housed in the aforementioned annular space (114) in order to maintain a distance between the two coaxial tubes (116, 118). The inventive device consists of an element (130) which is made from a material having low heat conductivity and comprising an aerogel, said element being at least partially covered with a casing (132) of polymer-type plastic material.
L~invention concerne un dispositif d~espacement et de centrage pour conduite rigide à double enveloppe (110), par exemple de type enroulable, destinée au transport des hydrocarbures, ladite conduite rigide (110) comprenant deux tubes coaxiaux (116, 118) séparés par un espace annulaire (114), ledit dispositif d~espacement et de centrage étant logé dans ledit espace annulaire (114) pour maintenir les deux tubes coaxiaux (116, 118) à distance l~un de l~autre. Ledit dispositif comporte un élément (130) en matière à faible conductivité thermique constituée d~un aérogel, ledit élément étant recouvert, au moins partiellement, d~une enveloppe (132) en matériau plastique de type polymère.
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
Technip France
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