Pulse tube refrigerator system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6996993
APP PUB NO 20040107705A1
SERIAL NO

10640681

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
SIEMENS PLCBRITAIN'S

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Crowley, David Michael Marlow Bottom, GB 6 34

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