Transposed compression piston and cylinder

Details Transposed compression piston and cylinder Transposed compression piston and cylinder

1991-03-11

1992-04-14

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 1053

Patent

active

051036436

ABSTRACT:
A compression piston and cylinder mechanism for the V type two piston Stirling engine which substantially reduces engine dead volume without increasing complexity or decreasing mechanical efficiency. A stepped piston is attached at its smaller outer portion to a relatively long connecting rod. The piston seal is located at the larger inner portion of the piston, thereby permitting a short passage of low dead volume to connect the volume swept by the compression piston to the engine's heat exchangers. A stepped cylinder corresponds to the shape of the piston, having a smaller outer portion that sustains the side loading resulting from connecting rod angularity, and a larger inner portion that the piston seals against.

REFERENCES:
patent: 4738105 (1988-04-01), Ross et al.

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