Measuring and testing – Volume or rate of flow – Using differential pressure
Patent
1981-03-09
1983-01-18
Birmiel, Howard A.
Measuring and testing
Volume or rate of flow
Using differential pressure
7386154, 7386157, G01F 124, G01F 128
Patent
active
043686460
ABSTRACT:
A flow-through meter for liquid or gaseous media including a housing through which the medium flows. A floating body is disposed within the housing for movement under the influence of a lifting force produced by an increased flow of the medium through the housing. The floating body is rigidly connected to a weight body of ferromagnetic material by a connecting rod which serves to locate the weight body in the field of an induction coil mounted within the housing. A restoring biasing member is located between the weight body and an internal collar abutment of the housing, and exerts a force on the weight body counteracting the lifting force. The meter further includes a damping piston located between the housing collar abutment and the restoring spring, and disposed for axial movement lengthwise of the connecting rod. The arrangement is such that load influences or forces resulting from impacts or pulsations of the medium due to vehicle movement are compensated by the damping piston to eliminate or substantially reduce false measurements in the flow through quantity otherwise due to such external influences. A further damping valve is provided between the floating body and the discharge end of the housing to prevent measuring errors due to sudden changes in the flow through quantity resulting from discontinuous fuel regulation.
REFERENCES:
patent: 2640356 (1953-06-01), Shannon
patent: 2647402 (1953-08-01), Ibbott
patent: 2749742 (1956-06-01), Aller
patent: 2800019 (1957-07-01), Rumble
patent: 3287971 (1966-11-01), Bahniuk
patent: 3931737 (1976-01-01), Conkling et al.
patent: 4194394 (1980-03-01), Bartholomaus
patent: 4304136 (1981-12-01), McCabe et al.
Birmiel Howard A.
Irion & Vosseler, Zahlerfabrik
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