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...
Patent
1978-02-27
1980-02-19
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
041887913
ABSTRACT:
A free piston hot gas reciprocating machine having, one piston surface which varies the volume of a working space, while its other surface bounds a buffer space of constant pressure, and a control mechanism formed by an auxiliary cylinder and an auxiliary piston which is movable therein. The control mechanism maintains a given central position of the free piston by instantaneously opening a connection between the buffer space and the auxiliary cylinder space.
REFERENCES:
patent: 3937018 (1976-02-01), Beale
Ostrager Allen M.
Treacy David R.
U.S. Philips Corporation
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