HEAT EXCHANGE ELEMENT Russian patent published in 1995 - IPC

FIELD: power engineering, chemical industry, transport. SUBSTANCE: heat has inner lowering pipe and outer rising pipe blanked off with cover on one end, temperature elongation compensator and spacer members. Temperature elongation compensator is made in form of movable bottom adjoining inner wall of outer rising pipe. Bottom is provided with at least one hole for passage of working medium which is concave on side of lowering pipe and is mounted in spaced relation to cover and ends of this pipe; spacer members are rigidly secured to lowering pipe on one end and to movable bottom on other end. Fitted for axial motion on inner wall of outer rising pipe is cylindrical ferrule. Bottom is secured on end of this ferrule. Besides that, flexible member is located in clearance between bottom and cover. This flexible member is oriented along axis of pipes. EFFECT: enhanced reliability. 3 cl, 2 dwg