Self pressurizing, crank-type Stirling engine having reduced loa

Details Self pressurizing, crank-type Stirling engine having reduced loa Self pressurizing, crank-type Stirling engine having reduced loa

1984-12-12

1985-11-19

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...

F02G 104

Patent

active

045533920

ABSTRACT:
An improved crank-type Stirling engine. A spring, preferably a gas spring, is linked between the displacer and the housing or alternatively the power piston. The spring is relaxed at substantially a mean position of the displacer to apply a centering force upon the displacer. The spring reduces the loading on the displacer drive linkage by itself exerting a centering force upon the displacer. If desired, displacer linkage forces may be reduced nearly to zero by designing the spring so that the spring constant and the masses upon which it operates are in resonance. The gas spring mechanism may include pump elements so that it will operate as a pump to charge the engine to operating pressure with atmospheric air during initial start up operation.

REFERENCES:
patent: 4327550 (1982-05-01), Knoos
patent: 4335884 (1982-06-01), Darche
patent: 4381648 (1983-05-01), Balas, Jr.

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