Patent ID: 11885279
Assignee: HYLIION INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  B  Y | IPC B  F

Claim 0:
1. A monolithic heat exchanger body for inputting heat to a closed-cycle engine, the monolithic heat exchanger body comprising:
a plurality of heating walls configured and arranged in an array of spirals or spiral arcs relative to a longitudinal axis of an inlet plenum, wherein adjacent portions of the plurality of heating walls respectively define a corresponding plurality of heating fluid pathways fluidly communicating with the inlet plenum; and
a plurality of heat transfer regions, wherein respective ones of the plurality of heat transfer regions have a heat transfer relationship with a corresponding semiannular portion of the plurality of heating fluid pathways, wherein respective ones of the plurality of heating fluid pathways are concentrically adjacent to at least another one of the plurality of heating fluid pathways.