Thermal lag machine

Power plants – Motor operated by expansion and/or contraction of a unit of...

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60682, F01B 2908

Patent

active

054149975

ABSTRACT:
A thermal lag engine has a cooled cylinder and piston connected to a heated chamber. A working fluid in the cooled cylinder and heated chamber is alternately compressed and expanded by the piston. Since there is a thermal lag or time interval before the working fluid entering the hot chamber is heated and the working fluid expanding back into the cooled cylinder is cooled, the working fluid is at a lower average temperature and pressure during compression and a higher average temperature and pressure during expansion to provide net work.

REFERENCES:
patent: 2836033 (1958-05-01), Marrison
patent: 4489553 (1984-12-01), Wheatley et al.

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