Pulse tube refrigerator

Details Pulse tube refrigerator Pulse tube refrigerator

1997-12-22

1999-10-19

Capossela, Ronald

Refrigeration

Gas compression, heat regeneration and expansion, e.g.,...

60520, F25B 900

Patent

active

059669438

ABSTRACT:
A pulse tube refrigerator is equipped with a constant-diameter inertance tube (41) or a stepped or tapered intertance tube (48) which is coiled in a reservoir (20) to protect it from damage from external impacts and from structural failure due to differences between external and internal pressures. A tapered inertance tube (48) improves thermodynamic performance of the pulse tube refrigerator by improving heat transfer at the warm end of pulse tube (10).

REFERENCES:
patent: 5414997 (1995-05-01), Tailer
patent: 5642623 (1997-07-01), Hiresaki et al.
patent: 5689959 (1997-11-01), Yatsuzuka et al.
patent: 5791149 (1998-08-01), Dean
patent: 5794450 (1998-08-01), Alexander
Walker, Industrial Heat Exchangers, 1990, pp. 211-220 (Hemisphere Publishing Corp., N.Y., Wash., Phila., London).
Zhu, et al., "Phase Shift Effect of the Long Neck Tube for the Pulse Tube Refrigerator", Cryocoolers9, 1996, pp. 269-278 (Plenum Press).
Gardner, et al. "Use of Inertance in orifice pulse tube refrigerators" Cryogenics, Feb. 1997, pp. 117-121 (Elsevier Science, Ltd. G. B.).
Grosser, Gossamer Odyssey, 1981, pp. 87-88 & pp. 164-167 (Houghton Mifflin, Boston).
Lambie, "Gossamer Albatross," Soaring, Aug. 1979, p. 19 (Soaring Society of America, Los Angeles).

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