Vuilleumier refrigerator with separate pneumatically operated co

Details Vuilleumier refrigerator with separate pneumatically operated co Vuilleumier refrigerator with separate pneumatically operated co

1974-03-01

1977-05-24

Wye, William J.

Refrigeration

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

62 86, F25b 900

Patent

active

040247279

ABSTRACT:
The Vuilleumier refrigerator cold free piston type displacer operates on pressure pulses generated by relative heating and cooling of gas to raise and lower the pressure in the entire interconnected system. The cold displacer operates with differential areas against which the line pressure acts, and a pneumatic spring to cause reciprocation of the displacer.

REFERENCES:
patent: 3078683 (1963-02-01), Dros
patent: 3091092 (1963-05-01), Dros
patent: 3188821 (1965-06-01), Chelbs
patent: 3237421 (1966-03-01), Gifford
patent: 3321926 (1967-05-01), Chellis
patent: 3367121 (1968-02-01), Higa
patent: 3431746 (1969-03-01), Webster
Miniature Vuilleumier-Cycle Refrigerator, G. K. Patcher and F. K. duPre; Advances in Cryogenic Engineering, vol. 15, pp. 447-451, Plemum Press, N.Y., London, 1970.

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