Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1976-05-17
1977-11-08
Queisser, Richard C.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Content or effect of a constituent of a liquid mixture
73579, G01N 332
Patent
active
040569748
ABSTRACT:
Materials, or structural components are tested under resonance conditions by means of a pressure operated load mechanism controlled by a servo-hydraulic control unit. The pressure medium is part of the oscillating system. The spring rate or stiffness of the pressure medium is adjusted relative to the spring rate of the test sample, or rather relative to the spring rate of the entire oscillating system in such a manner that the maximum pressure occurring at resonance operation corresponds as close as possible to the rated supply pressure of the system. The load mechanism comprises a single cylinder for producing dynamic loads for the resonance operation and also static loads of substantially the same size as said dynamic loads.
REFERENCES:
patent: 2530483 (1950-11-01), Russenberger
patent: 3442120 (1969-05-01), Russenberger et al.
patent: 3508159 (1970-04-01), Marpe
patent: 3572097 (1971-03-01), Kleesattel
patent: 3664179 (1972-05-01), Danko et al.
Beran Josef
Brezina Jan
Klinger Friedrich
Carl Schenck AG
Ciarlante Anthony V.
Fasse W. G.
Queisser Richard C.
Roberts W. W.
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