Vibration absorber for a free piston Stirling engine

Details Vibration absorber for a free piston Stirling engine Vibration absorber for a free piston Stirling engine

1981-06-05

1983-08-30

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...

60517, F02G 104

Patent

active

044009410

ABSTRACT:
A free piston Stirling engine has a hermetic vessel containing a displacer piston and a power piston coupled to each other and to the vessel by gas springs. An additional mass is coupled to the vessel by a gas spring which is tuned to the operating frequency of the engine geometrically. The vibration absorber is effective at all engine frequencies because the absorber gas spring follows the engine working gas mean pressure and changes the absorber natural frequency as the engine frequency changes.

REFERENCES:
patent: 4183214 (1980-01-01), Beale et al.
patent: 4199945 (1980-04-01), Finkelstein
patent: 4215548 (1980-08-01), Beremand

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