Praxair Technology, Inc.

Al-Khalique Shariff Hamilton

Bayram Arman

Arun Acharya

John Henri Royal

James Joseph Volk

Richard C Fitzgerald

A cryocooler system having at least one flow straightener which has a system of grooves on its perforated surface for enhancing gas flow uniformity through the system wherein pulsing gas which does not initially pass through the flow straightener through a perforation flows along the surface of the flow straightener within a groove prior to passing through a perforation and is effectively redistributed across the surface of the flow straightener and thus the cross section of the regenerator or thermal buffer tube.

Cryocooler with grooved flow straightener

A refrigeration generation system wherein a frequency modulating mechanical resonator is positioned between a pressure wave generator and a cryocooler and serves to reduce the frequency of the oscillating gas emanating from the pressure wave generator so that it more closely comports with a more efficient operating frequency of the cryocooler.

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Grand Island, NY, United States of America

Al-Khalique Shariff Hamilton