Unit apt to act upon the flow

Details Unit apt to act upon the flow Unit apt to act upon the flow

1989-09-08

1991-01-15

Cohan, Alan

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

1374875, 25112911, 251161, F16K 3104, G05D 706

Patent

active

049846019

ABSTRACT:
Means acting upon the flow, such as pumps or valves are used inter alia in the handling of liquid foodstuffs, e.g. milk, in packing machines. Since the demands on hygiene in this context are very high, especially if the packing machine operates with foodstuff sterilized beforehand, it is a disadvantage that manoeuvering devices for the means acting upon the flow have to pass from the outside into the sterile flow path where the means is located. This is avoided in accordance with the invention in that the means (3) acting upon the flow is combined with an actuator (8) which can be acted upon electromagnetically by a stator (7) isolated from the flow path.

REFERENCES:
patent: 2536813 (1951-02-01), Jones et al.
patent: 2589183 (1952-03-01), DeCraene et al.
patent: 2687277 (1954-08-01), Bremer et al.
patent: 4353523 (1982-10-01), Palti
patent: 4452423 (1984-06-01), Beblavi
patent: 4789132 (1988-12-01), Fujita
patent: 4794947 (1989-01-01), Kuramochi
patent: 4796651 (1989-01-01), Ginn

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