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Application filed by Kyiv Polytechnical InstitutefiledCriticalKyiv Polytechnical Institute
Priority to UAU200708623UpriorityCriticalpatent/UA27809U/en
Publication of UA27809UpublicationCriticalpatent/UA27809U/en
Physical Or Chemical Processes And Apparatus
(AREA)
Heat-Exchange Devices With Radiators And Conduit Assemblies
(AREA)
Rigid Pipes And Flexible Pipes
(AREA)
Abstract
A heat exchange pipe has a body at inner wall of which ribbing is provided. The pipe is made with thin walls and its outer surface is equipped with banding device, besides that the banding device is made of wire as spiral with pitch that is 7-10 diameters of wire in size.
Friction welding connection with multiple planar components located one atop the other and a connection body with the deformation of a collar of the body after the friction welding ; method of producing a friction welding connection
Turn-fin tube, manufacturing apparatus of the turn-fin tube, manufacturing method of the turn-fin tube and turn-fin type heat exchanger using the turn-fin tube.