Encasement assembly for installation of sub-surface...

F - Mech Eng,Light,Heat,Weapons – 24 – J

Patent

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F24J 3/08 (2006.01) F25D 23/12 (2006.01)

Patent

CA 2664644

An encasement assembly (1) for installing sub-surface refrigerant tubing in a direct exchange heating/cooling system includes a weighted and protective encasement tube (2) for lowering the bottom distal U-bend portion (8) of the refrigerant tubing into a well/borehole (21). The encasement tube (2) has a main body portion and a rounded or cone-shaped nose. The U-bend portion of the distal end of the refrigerant transport lines (5, 6) is encased within a cementitious grout (15) inside the tube (2). The grout (15) inside the encasement tube (2) has a flat top portion to prevent upward flotation and at least one eyebolt (11) for securing a trimmie tube (14) with an expendable wire (19) during installation. An optional nose ring (34) is attached to the lower distal end of the tube (2) for marker float (39) attachment in water.

L'invention concerne un ensemble formant enveloppe (1) permettant d'installer un tubage réfrigérant de sub-surface dans un système de chauffage / refroidissement à échange direct. Cet ensemble formant enveloppe (1) inclut un tube formant enveloppe protecteur et pondéré (2) permettant d'abaisser la partie courbée en U distale inférieure (8) du tube réfrigérant dans un puits / trou de forage (21). Le tube formant enveloppe (2) présente une partie corps principal et une pointe conique ou arrondie. La partie courbée en U de l'extrémité distale des conduites de transport de réfrigérant (5, 6) est incorporée à l'intérieur d'un coulis de ciment (15) à l'intérieur du tube (2). Le coulis (15) à l'intérieur du tube formant enveloppe (2) présente une partie supérieure plate afin d'empêcher la remonté vers la surface et au moins un boulon à oeil (11) permettant de fixer un tube d'équilibrage (14) avec un fil expansible (19) pendant l'installation. Une bague d'isolation à option (34) est rattachée à l'extrémité distale inférieure du tube (2) afin de marquer le rattachement du flotteur (39) dans l'eau.

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