Composite cycle engine

Details Composite cycle engine Composite cycle engine

1975-07-03

1976-06-08

Ostrager, Allen M.

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

Having fluid motor motive fluid treating, controlling or...

60517, 60655, 418219, F01K 2310

Patent

active

039614832

ABSTRACT:
The present invention discloses an engine with 25 to 70% better overall efficiency with exhaust emissions within present EPA 1975 standards. The vane type rotary engine uses exhaust from a multichamber Otto cycle engine to power a Stirling cycle engine on the same shaft. Fuel burned in the high surface to volume ratio chambers in the Otto cycle produce very little NO.sub.2 + N.sub.0 gas while producing excessive amounts of unburned hydrocarbons. Air injection into the extremely hot exhaust gases characteristic of the vane type engine is used in a hot wall continuous burning afterburner to remove unburned hydrocarbons and boost the temperature prior to the Stirling cycle hot side heat exchanger.

REFERENCES:
patent: 3180078 (1965-04-01), Liston
patent: 3762844 (1973-10-01), Isaksen
patent: 3838954 (1974-10-01), Rapone

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