Electricity: measuring and testing – Determining nonelectric properties by measuring electric... – Erosion
Patent
1975-07-18
1976-06-01
Rolinec, R. V.
Electricity: measuring and testing
Determining nonelectric properties by measuring electric...
Erosion
G01N 2700
Patent
active
039612490
ABSTRACT:
A particle analyzer for obtaining a narrow distribution of particles suspended in a liquid wherein electric pulses are produced by moving the liquid through a sensing zone. The analyzer includes elements for differentiating the pulses, short circuiting to ground pulse portions of one state and measuring the heights of pulse portions of another state as indications of particle sizes.
REFERENCES:
patent: 2656508 (1953-10-01), Coulter
patent: 3345502 (1969-10-01), Berg et al.
patent: 3473010 (1969-10-01), Bloomfield et al.
patent: 3529239 (1970-09-01), Valley et al.
patent: 3560847 (1971-02-01), Boyd et al.
patent: 3668531 (1972-06-01), Hogg
Coulter Electronics Inc.
Rolinec R. V.
Sunderdick Vincent J.
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