Concentric foil structure for regenerators
OwnerMatthew P. Mitchellinventor
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Abstract
A regenerator 24 formed of concentric layers of regenerator foil 61 assembled with unbonded joints 68 and 70 inside a generally cylindrical space 74 and method of inserting and installing foil 60 using foil rolling apparatus 16 and foil installation apparatus 22 employing an inflatable bladder 94 to press foil 60 against the wall of generally cylindrical space 74.
Claims12
An improved regenerator comprising a plurality separate of concentric layers of regenerator foil installed in a generally cylindrical space.
In a coaxial pulse tube refrigerator, an improvement comprising a plurality of concentric foil layers wherein outer foil layers are regenerator foil and inner foil layers are smooth foil.
Dependencies are inferred from the claim text.