Refrigeration – Air compressor – cooler and expander type – Motor-type expander
Patent
1978-04-14
1980-03-11
Vrablik, John J.
Refrigeration
Air compressor, cooler and expander type
Motor-type expander
418 5, 418 55, 418151, F01C 102, F01C 1100, F01C 2100, F25D 1700
Patent
active
041921526
ABSTRACT:
Peripherally-driven scroll apparatus. The orbiting scroll member is attached through radially-compliant linking means to eccentrics mounted on three equally spaced crankshafts to accommodate differential thermal expansion without the generation of any appreciable elastic forces to increase bearing loads. Means are provided to prevent axial deflections in the stationary scroll members while permitting their supports to be designed and constructed for strength rather than stiffness. The apparatus may be staged and employed as a compressor or expander.
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Armstrong Allen E.
McCullough John E.
Arthur D. Little Inc.
Lepper Bessie A.
Vrablik John J.
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