COAXIAL THERMAL TUBE ENGINE Russian patent published in 2008 - IPC F01K17/00 

FIELD: invention refers to thermal power engineering.

SUBSTANCE: coaxial thermal tube engine has evaporation chamber fulfilled in the shape of cylindrical hood connected with working chamber through ring packing and is provided with entrainment separator , its inner lateral walls are covered with wick connected with grate fulfilled out of thin layer of porous material covering inner surface of face wall. Working chamber is fulfilled in the shape of cylindrical tube with limiting ring and screw on external surface, condensing chamber connected with working chamber through ring packing is fulfilled in the shape of cylindrical hood and has casing, closing screw surface of working chamber which forms feed pump and condensing zone and inner lateral walls of which are covered with wick in its turn partially covered with bushing with flange and connected with grate fulfilled out of thin layer of porous material covering inner surface of face wall. Moreover condensing chamber is connected with evaporation chamber through feed pump with forcing pipeline provided on end with injector.

EFFECT: allows increase operating economy of engine.

2 cl, 5 dwg