Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...
Reexamination Certificate
2006-02-14
2006-02-14
Doerrler, William C. (Department: 3744)
Refrigeration
Gas compression, heat regeneration and expansion, e.g.,...
Reexamination Certificate
active
06996993
ABSTRACT:
A pulse tube refrigerator system comprises a pulse tube refrigerator and a compressor coupled together via a high pressure line and a low pressure line. Cryogenic fluid is transferred to the PTR via the high pressure line and returned to the compressor via the low pressure line. The system further comprises an acoustic tuning device coupled to the low pressure line between a low pressure output from the PTr and a lower pressure input to the compressor, such that noise and vibration in the PTR system are reduced.
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British Examination Report dated Apr. 6, 2005.
Doerrler William C.
Oxford Magnet Technology Ltd.
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