Device for metering by weight the delivery of liquids

Details Device for metering by weight the delivery of liquids Device for metering by weight the delivery of liquids

1975-05-13

1977-03-22

Reeves, Robert B.

Dispensing

With recorder, register, indicator, signal or exhibitor

73194M, 73223, 222 56, B67D 538, G01F 186

Patent

active

040131947

ABSTRACT:
A device for metering by weight the delivery of liquids, comprising a container for the liquid fed through an electrovalve and having a delivery aperture and a spillway; a metering body immersed in said liquid and anchored in rest position by anchoring means; a mechanical-electric transducer inserted between the metering body and the container for the liquid, and connected to a first, to a second, and to a third comparator, in order to drive the first comparator and the third comparator, which through a first flip flop and an amplifier control the closure and the aperture of the electrovalve, respectively, as well as the second comparator, also driven by the transducer in order to control through a second flip flop a timer and a voltmetric digital indicator driven in turn by the transducer; an external generator controlling through a push switch both said flip flops.

REFERENCES:
patent: 1832809 (1931-11-01), Hudson
patent: 2530981 (1950-11-01), Mikina
patent: 2543522 (1951-02-01), Cohen
patent: 3420263 (1969-01-01), Ohlsson
patent: 3855458 (1974-12-01), Motter et al.

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