Patent ID: 9003798
Filing Date: 2015-04-14
Classification: F01D,F01K

Abstract:
1. An Organic Rankine Cycle system with a generating unit, a condenser for condensing an organic work fluid, a feeder pump for circulating the organic work fluid, an evaporator for evaporating the organic work fluid, wherein the generating unit comprises a high-pressure screw expander and a low-pressure screw expander which are connected in series, wherein the high-pressure screw expander and the low-pressure screw expander are mechanically connectable to a generator which is provided between the high-pressure screw expander and the low-pressure screw expander, and wherein the Organic Rankine Cycle system further comprises a by-pass line for bypassing the high-pressure screw expander, wherein the bypass line comprises a control valve for opening and closing the by-pass line.