Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1985-06-24
1987-09-22
Goldstein, Herbert
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
7386133, G01F 112
Patent
active
046946810
ABSTRACT:
A measuring turbine with a turbine rotor arranged in a flow channel of the measuring housing comprises a turbine rotor and an inductive pulse pickup, wherein between the wall of the housing of the flow channel and the circumference of the turbine rotor an annular gap with an irregular configuration is present. The housing wall opposite the turbine rotor of the flow channel has at least one bore hole with a variable effective depth. The inductive measuring sensor is arranged in the bore, whereby the depth of insertion may be adjusted.
REFERENCES:
patent: 3143882 (1964-08-01), Brueckner
patent: 3177710 (1965-04-01), Faure-Herman
patent: 3329021 (1967-07-01), Quesinberry et al.
patent: 3364743 (1968-01-01), Clinton
patent: 3550426 (1970-12-01), Griffo
patent: 3636767 (1972-01-01), Duffy
patent: 3822591 (1974-07-01), Li
patent: 4132453 (1979-01-01), Burrus et al.
patent: 4161879 (1979-07-01), Dunne, Jr.
patent: 4316392 (1923-02-01), Leber
Goldstein Herbert
Hydrotechnik GmbH
Koch Robert J.
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