Thermal measuring and testing – Thermal testing of a nonthermal quantity – With loading of specimen
Patent
1980-04-30
1982-08-31
Davis, Albert W.
Thermal measuring and testing
Thermal testing of a nonthermal quantity
With loading of specimen
165 27, 165 61, 165 80E, 165 12, 62 62, 62514R, F25B 2900
Patent
active
043467547
ABSTRACT:
A heating and cooling apparatus capable of cyclic heating and cooling of a test specimen undergoing fatigue testing. Cryogenic fluid is passed through a block 10 clamped to the specimen 11 to cool the block and the specimen. Heating cartridges 13 penetrate the block 10 to heat the block and the specimen 11 to very hot temperatures. Control apparatus 36 and 46 is provided to alternately activate the cooling and heating modes to effect cyclic heating and cooling between very hot and very cold temperatures. The block 10 is constructed of minimal mass to facilitate the rapid temperature change thereof.
REFERENCES:
patent: 3143167 (1964-08-01), Vieth
patent: 3406742 (1968-10-01), Naumann et al.
patent: 3453863 (1969-07-01), Scott
patent: 3599475 (1971-08-01), Dubouch et al.
patent: 4107937 (1978-08-01), Chmiel
patent: 4117881 (1978-10-01), Williams et al.
patent: 4134447 (1979-01-01), Jennings et al.
Gardner Mickey R.
Imig Leland A.
Davis Albert W.
Focarino Margaret A.
King William H.
Manning John R.
Osborn Howard J.
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