Regenerator for rotary Rankine cycle engines

Details Regenerator for rotary Rankine cycle engines Regenerator for rotary Rankine cycle engines

1975-12-04

1977-03-01

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Motor mounted in or on boiler

165 8, 60670, F01K 1102, F01K 1104

Patent

active

040095762

ABSTRACT:
A regenerator for rotary Rankine cycle engines having an annular boiler and an internal coaxial expander for pressure vapor generated in the boiler, comprising at least one annular series of axially extending heat exchange tubes disposed radially inward of the boiler and an array of axially spaced annular fins on each of said tubes which rotate with the engine. A condenser for the exhaust vapor rotates with the engine and means is provided for conducting exhaust vapor to the condenser after passing through the regenerator fins and for returning liquid condensate from the condenser to the regenerator for passage through the tubes thereof in heat exchange relation with the exhaust vapor conveyed between the fins on the tubes.

REFERENCES:
patent: 2978227 (1961-04-01), Hess
patent: 3613368 (1971-10-01), Doerner
patent: 3850147 (1974-11-01), Doerner

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