Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...
Patent
1999-04-12
2000-08-29
Capossela, Ronald
Refrigeration
Gas compression, heat regeneration and expansion, e.g.,...
60520, F25B 900
Patent
active
061090409
ABSTRACT:
A non-reciprocating Stirling-cycle machine which overcomes problems associated with high drive mechanism forces and vibration that seriously hamper reciprocating Stirling-cycle machines. The design employs Wankel rotors instead of the reciprocating pistons used in prior Stirling machines for effecting the compression and expansion cycles. Key innovations are the use of thermodynamic symmetry to allow coupling of the rotating compression and expansion spaces through simple stationary regenerators, and the coordination of thermodynamic and inertial phasing to allow complete balancing with one simple passive counterweight, which is not possible in reciprocating machines. The design can be scaled over a wide range of temperatures and capacities for use as a cryogenic or utilitarian refrigerator or to function as an external heat powered engine.
REFERENCES:
patent: 2988065 (1961-06-01), Wankel et al.
patent: 3426525 (1969-02-01), Rubin
patent: 3483694 (1969-12-01), Huber et al.
patent: 3537256 (1970-11-01), Kelly
patent: 3762167 (1973-10-01), Wahnschaffe et al.
patent: 3763649 (1973-10-01), Wahnschaffe et al.
patent: 3853437 (1974-12-01), Horn et al.
patent: 5442923 (1995-08-01), Bareiss
Craghead Michael E.
Ellison, Jr. Woodrow R.
Kohuth Kerry R.
Capossela Ronald
General Pneumatics Corporation
Lindsley Warren F. B.
McGue Frank J.
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