GRAVITY-ASSISTED HEAT PIPE Russian patent published in 2010 - IPC F28D15/02 

FIELD: heating.

SUBSTANCE: invention relates to heat engineering, and namely to heat tubes intended mainly for freezing of soil with the purpose of reinforcement of foundations and bases of various facilities erected on permanently frozen soils. In gravity-assisted heat pipe containing tight housing partially filled with liquid heat carrier and having evaporation and condensation zones and with transportation zone, housing in evaporation zone and in transportation zone or in any of those zones has at least one insert made in the form of bellow connected with cylindrical tips to the housing sections between which an insert is located, bellow is enclosed in flexible metal sleeve the ends of which are fixed on the above tips; the insert is also equipped with rigid removable casing for fixing mutual position of the housing sections between which there is an insert made with possibility of being located around the above sleeve and attached to the housing sections adjacent to the insert.

EFFECT: design of the tube provides high degree of manufacturability, transportation and installation thereof to operating position on the object.

3 cl, 7 dwg