Engine utilising waste heat of power plant - has working fluid with low critical temp. flowing between two working cylinders

摘要

The engine has two cylinders(I, II) with reciprocating pistons moving out of phase with each other. each has two heat exchangers(A1, A2) on the inlet side with one heat exchanger(B) on the exhaust side which is connected to the inlet heat exchangers of the other cylinder. A fluid with a critical temp. of 20-70 deg.C is circulated the system. It is heated in one inlet heat exchanger and admitted into the cylinder as it vapourises. After driving the piston down it flows through the exhaust exchanger in which it is cooled and condensed.