Communications: electrical – Continuously variable indicating – With particular transmitter
Patent
1979-05-14
1981-02-03
Robinson, Thomas A.
Communications: electrical
Continuously variable indicating
With particular transmitter
7386108, 7386142, 340611, G01F 126, H01V 700, G08C 1900
Patent
active
042491649
ABSTRACT:
A delta-P transmitter generating a signal corresponding to the differential pressure produced by a primary element installed in a conduit through which a fluid flows, comprising the primary element and a transducer implanted in the primary element to generate a signal corresponding to the differential pressure with which may be combined the signals generated by a temperature transducer and/or an absolute pressure transducer to generate an output signal corresponding to the weight or mass rate of fluid flow.
REFERENCES:
patent: 3388597 (1968-06-01), Bargen et al.
patent: 3430489 (1969-03-01), Pfrehm
patent: 3494190 (1970-02-01), Schwartzman
patent: 3561831 (1971-02-01), Alibert et al.
patent: 4100798 (1978-07-01), Nilsson et al.
Luhrs John F.
Robinson Thomas A.
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