Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1975-06-16
1977-04-19
Ruehl, Charles A.
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
73 37, G01L 2700, G01M 302
Patent
active
040180794
ABSTRACT:
A method of testing a Hydraulic Release and a test appliance therefor using elevated air pressure.
REFERENCES:
patent: 2649750 (1953-08-01), Burgess, Jr.
patent: 2976715 (1961-03-01), Roese et al.
patent: 3165914 (1965-01-01), Schmidt
patent: 3513689 (1970-05-01), Nelson
patent: 3667281 (1972-06-01), Pfeifer
patent: 3677062 (1972-07-01), King et al.
Appleman John S.
Landrigan Corporation
Ruehl Charles A.
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