Stirling engine

Details Stirling engine Stirling engine

2005-03-15

2005-03-15

Nguyen, Hoang (Department: 3748)

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...

C060S517000

Reexamination Certificate

active

06865887

ABSTRACT:
A Stirling engine comprising:a displacer unit having displacer cylinders, displacers slidably arranged in the chambers of the displacer cylinders, expansion chambers and contraction chambers into which, and from which, the operation gas flows with the operation of the displacers; anda power piston unit having a power cylinder having an operation chamber communicated with either the expansion chamber or the contraction chamber of the displacer unit, and a power piston slidably arranged in the power cylinder;wherein the displacer cylinders of the displacer unit are equipped with a heating wall surrounding a heat source and cooling walls forming a plurality of cylinder chambers surrounding the heating wall; andthe displacers of the displacer unit are slidably arranged in the plurality of cylinder chambers in the directions to approach the heat source and to separate away from the heat source.

REFERENCES:
patent: 3508393 (1970-04-01), Kelly
patent: 3579980 (1971-05-01), Kelly
patent: 3733974 (1973-05-01), Schuman
patent: 3807904 (1974-04-01), Schuman
patent: 4642988 (1987-02-01), Benson
patent: 5987886 (1999-11-01), Sekiya et al.
patent: 6205792 (2001-03-01), Anderson
patent: 20020017098 (2002-02-01), Johansson
patent: 2 819 555 (2002-07-01), None

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