Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Lubricant testing
Patent
1976-10-18
1978-01-03
Ruehl, Charles A.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Lubricant testing
73623, 73194A, G01N 2902
Patent
active
040659585
ABSTRACT:
A method of controlling physical characteristics of a fluid medium by transmitting ultrasonic vibrations to the medium under control through a sound conducting medium and through a pipe wall at an angle .alpha., acute or obtuse, to the pipe exterior, said angle being determined by the relationship:
.alpha. = arcsin C.sub.o /(.sqroot.2.multidot.C)
where:
REFERENCES:
patent: 3237453 (1966-03-01), Yamamoto et al.
patent: 3575050 (1971-04-01), Lynnworth
patent: 3782193 (1974-01-01), Meyer et al.
patent: 3987674 (1976-10-01), Baumoel
Brazhnikov Nikolai Ivanovich
Krylova Eleonora Dmitrievna
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