Method of and means for extending the high temperature/high pres

Details Method of and means for extending the high temperature/high pres Method of and means for extending the high temperature/high pres

1992-04-08

1993-06-29

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

356246, G01N 2103, G01N 2105

Patent

active

052237168

ABSTRACT:
A method is provided to extend the high temperature and/or high pressure operating range of a primary radiation-transmitting element 5,6 by the addition of a secondary enclosure 15,16 for containing a pressurized gas atmosphere and a secondary radiation-transmitting element 23,24 wherein the primary radiation-transmitting element 5,6 experiences a reduced pressure differential.

REFERENCES:
patent: 3886364 (1975-05-01), Walker et al.
patent: 4614428 (1986-09-01), Harris et al.
patent: 4822166 (1989-04-01), Rossiter
patent: 5003174 (1991-03-01), Datwyler et al.
patent: 5054919 (1991-10-01), Bryan
patent: 5120129 (1992-06-01), Farquharson et al.
patent: 5124555 (1992-06-01), Hartl

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