Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...
Reexamination Certificate
2006-09-12
2006-09-12
Doerrler, William C. (Department: 3744)
Refrigeration
Gas compression, heat regeneration and expansion, e.g.,...
Reexamination Certificate
active
07104073
ABSTRACT:
A Stirling cycle refrigerating system has a pair of reversed Stirling cycle engines3aand3b,each comprising a warm head8aand8bof which the temperature rises as the reversed Stirling cycle engine is driven, a cold head7aand7bof which the temperature falls as the reversed Stirling cycle engine is driven, and a piston and a displacer that vibrate inside a cylinder along the axis thereof with an identical period and with a predetermined phase difference maintained. Inside a machine chamber15,the pair of reversed Stirling cycle engines3aand3bis arranged coaxially with the axes thereof aligned with each other and with the cold heads7aand7bthereof facing away from each other, and the pistons or displacers of the pair of reversed Stirling cycle engines3aand3bare driven to vibrate in phase with each other. This Stirling cycle refrigerating system, despite being manufactured at low costs, offers cooling performance on the order of several hundred watts and produces no annoying vibration or noise when operating.
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Chen Wei
Masuda Masaaki
Birch & Stewart Kolasch & Birch, LLP
Sharp Kabushiki Kaisha
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