Title: Dual-displacer two-stage split cycle cooler

Abstract: A split cycle cooler having two free moving in-line regenerator-displacers, ne within the other in which the one functions to produce a precooled volume for the other, wherein both are controlled by two pneumatic pistons operating against two pneumatic spring volumes. The device provides refrigeration of small heat loads to cryogenic temperatures.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Hanson, Charles M. (Springfield, VA, US)

Application Number: 780375
Filing Date: 1977-03-23
Publication_date: 1978-05-23
Assignee: The United States of America as represented by the Secretary of the Army (Washington, DC)
Primary Class(es): 62/6
Other Classes:
US Patent Ref:

3218815	Nov, 1965	Chellis et al.	62/6.
3220201	Nov, 1965	Heuchling et al.	62/6.
3552120	Jan, 1971	Beale	62/6.
3774405	Nov, 1973	Leo	62/6.
3991585	Nov, 1976	Mulder	62/6.

Other Refs: 185,940

Oct, 1960	SU

Primary Examiner: King, Lloyd L.
Assistant Examiner:
Attorney: Edelberg; Nathan, Harwell; Max L., Gibson; Robert P.