Device for counting objects

Details Device for counting objects Device for counting objects

1989-06-26

1990-09-18

Fuller, Benjamin R.

Registers

Calculators

Including means utilizing fluid, e.g., fluid amplifiers

235 98R, 235200R, G06M 112

Patent

active

049580639

ABSTRACT:
A ring-jet sensor (24) which is operated with air and is connected to an air-carrying line (23) is directed at the objects (27). The ring-jet sensor (24) is also coupled to a pressure sensor (37), the signal of which passes to a counter (40). In order to avoid connecting two lines to the ring-jet sensor (24), the said ring-jet sensor and also the pressure sensor (37), are each connected, in parallel, to one branch line (23, 35). The branch lines (23, 35) can carry either compressed air or suction air.

REFERENCES:
patent: 3366043 (1968-01-01), Fitch
patent: 3405254 (1968-10-01), Dannatt
patent: 3746841 (1973-07-01), Fenske
patent: 3914754 (1975-10-01), Kirk
patent: 4387295 (1983-06-01), Minichiello
L. A. Salmanson; Aerodynamic Method for the Measurement of Input Parameters of Automatic Systems, Measuring Elements in the Field of Pneumatics, (1973).

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