Concentric crossflow recuperator for stirling engine

Details Concentric crossflow recuperator for stirling engine Concentric crossflow recuperator for stirling engine

1976-04-05

1978-04-25

Ostrager, Allen M.

Power plants

Motor operated by expansion and/or contraction of a unit of...

Unit of mass is a gas which is heated or cooled in one of a...

165 52, 165166, F02G 104

Patent

active

040855880

ABSTRACT:
A Stirling engine adapted to automotive propulsion is disclosed using an improved preheater construction in the external heating circuit. The preheater construction is comprised of a concentric toroid placed about the heater tube array, the inner cylindrical wall of the ring serving as a wall to define the heating chamber for the closed working fluid circuit. The concentric ring is totally ceramic with alternating orientation of finned ceramic walls fused together to define a cross-flow matrix. Static seal rings of woven ceramic material encased in folded metal foil are retained along the annular edges of at least the upper and lower faces of the concentric toroid to facilitate cross-flow fluid connections.

REFERENCES:
patent: 3717993 (1973-02-01), Potter
patent: 3818984 (1974-06-01), Nakamura
patent: 3889744 (1975-06-01), Hill et al.
patent: 3898841 (1975-08-01), Kaneler et al.
patent: 3942324 (1976-03-01), Johansson et al.

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