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US 10,871,106 B2Granted
Free piston engine power plant
AssigneeUniversity of Durham
InventorsAnthony Paul Roskilly, Rikard Mikalsen
Life of this patent
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Abstract
A free-piston engine power plant incorporating a first combustion cylinder, having a first combustion piston, a fluid expander having an expansion cylinder with an expander piston therein, the expander piston reciprocating in unison with the first combustion piston, a bottoming cycle having a working fluid and a heat exchanger.
Claims7
A free-piston gas generator power plant comprising:
- a free-piston engine;
- an exhaust channel;
- a power turbine having an exhaust line;
- a heat exchanger;
- a water supply;
- and
- an injector;
- wherein the free-piston engine is configured to supply an exhaust gas to the power turbine via the exhaust channel;
- wherein the heat exchanger is coupled to the exhaust line;
- wherein the exhaust line is arranged to heat the water supply to create steam;
- and
- wherein the injector is arranged to inject at least a portion of the steam into the exhaust channel.
9 more elements
Dependencies are inferred from the claim text.