4. Power plants
  5. Motor operated by expansion and/or contraction of a unit of...
  6. Unit of mass is a gas which is heated or cooled in one of a...

Philip S. Spoor

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Acoustic cooling device with coldhead and resonant driver...

Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...
Reexamination Certificate

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Free piston device with time varying clearance seal

Expansible chamber devices – Effective area of working member end face selectively variable – With diaphragm
Reexamination Certificate

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Piston position drift control for free-piston device

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...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2899915

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