Solenoid controlled cold head for a cryogenic cooler

Details Solenoid controlled cold head for a cryogenic cooler Solenoid controlled cold head for a cryogenic cooler

1975-10-03

1976-11-16

O'Dea, William F.

Refrigeration

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

60520, F25B 900

Patent

active

039915867

ABSTRACT:
A solenoid control means for controlling the movement of a regenerator-diacer in a cryogenic cooler. The control means comprises sensing and power switching means for activating solenoids that assist in moving or restraining the movement of the regenerator-displacer in synchronism with pressure waves from a compressor.

REFERENCES:
patent: 3220201 (1965-11-01), Heuchling et al.
patent: 3765187 (1973-10-01), Horn

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