Hot air rotary-piston engine for cooling e.g. building, has rotor has rotor shaft which is connected with housing end walls with connections, and is also connected with housing center wall without connections

摘要

The hot air rotary engine has three identical two-stage rotary piston machines (1-3) with housing (1.1,2.1) whose cross sections are designed in pyriform and with smaller radius. A rotor is sealingly provided against inner side of housing at an angle of 90 [deg] . The rotor has rotor shaft (4.1) which is connected with housing end walls (1.2,2.2,3.2) with connections, and also connected with housing center wall (1.3,2.3) without connections.