Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1995-04-26
2000-06-27
Dougherty, Thomas M.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
G01B 530
Patent
active
060810653
ABSTRACT:
To draw samples from a source of liquid, a pumping system measures the amount of liquid being pumped by detecting pump cycles and calculating the pumped liquid from this measurement and stored data including conduit size, pressure head and statistical data to correlate detected pump cycles with volume of liquid pumped. Pressure pulses cause by a peristaltic pump are sensed by a piezoelectric film positioned on an inlet conduit connecting the pump to the source of water and, when the liquid reaches a predetermined point determined by the nature of pulses are counted to determine the number of pump cycles.
REFERENCES:
patent: 3942049 (1976-03-01), Hyonova et al.
patent: 4216403 (1980-08-01), Krempl et al.
patent: 4304126 (1981-12-01), Yelke
patent: 4391147 (1983-07-01), Krempl et al.
patent: 4404854 (1983-09-01), Krempl et al.
patent: 4646563 (1987-03-01), Jones
patent: 4668945 (1987-05-01), Aldrorandi et al.
patent: 5125801 (1992-06-01), Nabity et al.
Carson Douglas Timothy
Hulinsky Raymond
Nabity Fredrick Alan
Wright Paul George
Carney Vincent L.
Dougherty Thomas M.
Isco, Inc.
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