Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1982-03-01
1985-03-05
Swisher, S. Clement
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
G01F 2500
Patent
active
045023182
ABSTRACT:
The specification discloses a method and apparatus for calibrating liquid flow meters of all types. The system includes a scale for dynamically determining the weight of a liquid flowing through a flow meter, together with means for measuring the flow through the flow meter being tested. In the case of a glass tube flow meter, a float detection system is used, whereby the operator will set the flow through the flow meter to a desired point, use the float detection system to make certain the float stays in a fixed position during the test, as well as to locate the float from a reference point, and use the system to measure the flow through the flow meter during a fixed period of time, thereby obtaining a reading, in engineering units, for each predetermined position of the float.
REFERENCES:
patent: 2987911 (1961-06-01), McDonnell
patent: 3026706 (1962-03-01), Halsell et al.
Precision Flowmeter Calibrators, Bulletin 1386C, Cox Instrument Division/Lynch Corp., Detroit, Mich.
Alasia et al., Alta Frequenza vol. 44 No. 10 p. 553-557 Oct. 1975.
Bordato James M.
Bott Theodore R.
Converse, III Vernon G.
Foerster, Jr. Charles E.
Miller Robert E.
Scans Associates, Inc.
Swisher S. Clement
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