Coherent light generators – Particular active media – Gas
Patent
1984-12-20
1986-07-15
Scott, Jr., Leon
Coherent light generators
Particular active media
Gas
372 34, 372 35, 62383, 62514R, 62 95, 165110, 165156, H01S 322
Patent
active
046010408
ABSTRACT:
A condenser including a condenser chamber having an extension portion extending through the base of a refrigerant storage vessel. The length of the conduction path along this portion is variable. This may be performed by partial retraction of the extension from the vessel, or by inclusion of one or more insulating shields. Both extension and shield may be threaded. The vessel may be of thin stainless steel or compliant solid insulating material, allowing fine adjustment of the conductive path length by tightening of the shield against the base of the vessel. The internal surface of the chamber may be undulated, in particular by threading, to promote turbulent flow and mixing within the chamber. The extension may be recessed and joined to a filling tube, to facilitate initial cool down. The complete condenser is encased by expanded polyurethane foam inside a box.
REFERENCES:
patent: 2935856 (1960-05-01), Gufford
patent: 3063681 (1962-11-01), Duguid
patent: 3896658 (1975-07-01), Hahn
patent: 4036290 (1977-07-01), Kelly
patent: 4061184 (1977-12-01), Radcliffe
patent: 4116017 (1978-09-01), Oberpriller
patent: 4369636 (1983-01-01), Durcell et al.
patent: 4489569 (1984-12-01), Sitte
Andrews Anthony J.
Errey Keith H.
Kearsley Andrew J.
Webb Colin E.
Jr. Leon Scott
The Secretary of State for Defence in Her Britannic Majesty's Go
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