Patent ID: 6053418
Filing Date: 2000-04-25
Classification: F01K,Y02E

Abstract:
A small-scale cogeneration system for providing heat and electrical power, the system having a working fluid, which may be subjected to a high pressure and heated, and a generator for producing electrical power from the energy present in the high pressure, heated working fluid, the system comprising:a source of expanded working fluid in liquid and vapor phase;a condenser connected to receive the source of expanded working fluid in liquid and vapor phase;means for circulating a secondary water supply in proximity to the liquid and vapor phase of working fluid in the condenser allowing the secondary water to be heated as the working fluid condenses; anda controller for governing the operation of the cogeneration system, the controller connected to the generator for receiving and monitoring electrical power output from the generator, the controller configured and arranged to cause the source of expanded working fluid in liquid and vapor phase to be received at the condenser,wherein the condenser includes an outer jacket and the circulating means comprises:at least one passageway extending inside the jacket; anda secondary water pump coupled to the at least one passageway and configured to convey secondary water through the passageway.