Thermal improvements for an external combustion engine

Details Thermal improvements for an external combustion engine Thermal improvements for an external combustion engine

2007-12-17

2010-02-02

Nguyen, Hoang M (Department: 3748)

Power plants

Combustion products used as motive fluid

External-combustion engine type

C060S521000, C060S522000

Reexamination Certificate

active

07654074

ABSTRACT:
An external combustion engine having an exhaust flow diverter for directing the flow of an exhaust gas. The external combustion engine has a heater head having a plurality of heater tubes through which a working fluid is heated by conduction. The exhaust flow diverter is a cylinder disposed around the outside of the plurality of heater tubes and includes a plurality of openings through which the flow of exhaust gas may pas. The exhaust flow diverter directs the exhaust gas past the plurality of heater tubes. The external combustion engine may also include a plurality of flow diverter fins coupled to the plurality of heater tubes to direct the flow of the exhaust gas. The heater tubes may be U-shaped or helical coupled shaped.

REFERENCES:
patent: 5755100 (1998-05-01), Lamos
patent: 6161381 (2000-12-01), Lohrmann
patent: 6543215 (2003-04-01), Langenfeld et al.
patent: 6857260 (2005-02-01), Langenfeld et al.
patent: 7308787 (2007-12-01), LaRocque et al.

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