Split cycle heat engines

Details Split cycle heat engines Split cycle heat engines

1978-10-02

1981-01-20

Koczo, Michael

Internal-combustion engines

Rotary

With compression volume means in uninterrupted communication...

418 99, F02B 5300

Patent

active

042455979

ABSTRACT:
In a split cycle combustion or heat engine having motor or transfer unit, or both, of positive displacement, such unit or units comprising workroom, housing and working parts of shaft, rotor, vane or vanes and interceptor, a method of sealing the working clearances or potential leak areas between the working parts, and the working parts and housing, and/or cooling the working parts and housing of any unit by providing a system of galleries or passages to and in the working parts and housing walls, these galleries capable of receiving compressed air or gas from a compressor via a booster pump and permitting such air or gas to flow into the workroom, or work chamber.
The booster pump so arranged that it is capable of delivering air or gas as sealing medium, or cooling medium with a higher pressure than the combustion pressure, or the pressure in any other unit of the engine.
The hereinbefore mentioned system of galleries or passages capable of receiving water injection to enhance the cooling effect of the cooling medium, and the heat energy so absorbed by the cooling medium capable of being recycled through said medium flowing into the workroom.
The cooling and sealing medium sealing the workroom or the combustion area by flowing from said galleries or passages through suitable nozzles across any working clearances between the working parts, and working parts and housing, and into the workroom, thereby inhibiting or preventing the working fluid within the workroom or within the combustion area from leaking out of these areas through any such working clearances.

REFERENCES:
patent: 2799253 (1957-07-01), Lindhagen et al.
patent: 2891382 (1959-06-01), Broffitt
patent: 3405604 (1968-10-01), Lysholm
patent: 3752606 (1973-08-01), Zimmern

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