Control apparatus for hot gas engine

Details Control apparatus for hot gas engine Control apparatus for hot gas engine

1985-08-05

1986-07-22

Husar, Stephen F.

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, 60525, F02G 106

Patent

active

046011714

ABSTRACT:
A mean pressure power control system for a hot gas (Stirling) engine utilizing a plurality of supply tanks for storing a working gas at different pressures. During pump down operations gas is bled from the engine by a compressor having a plurality of independent pumping volumes. In one embodiment of the invention, a bypass control valve system allows one or more of the compressor volumes to be connected to the storage tanks. By selectively sequencing the bypass valves, a capacity range can be developed over the compressor that allows for lower engine idle pressures and more rapid pump down rates.

REFERENCES:
patent: 3827241 (1974-08-01), Almstrom et al.
patent: 3990246 (1976-11-01), Wilmers
patent: 4483142 (1984-11-01), Tsunekawa et al.

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