Digital fluid flow control system with trim adjustment

Details Digital fluid flow control system with trim adjustment Digital fluid flow control system with trim adjustment

1974-01-10

1976-03-09

Nilson, Robert G.

Fluid handling

Systems

Dividing into parallel flow paths with recombining

251122, 251124, F16K 1124

Patent

active

039425533

ABSTRACT:
Individually actuatable digital valve elements in parallel interconnect a fluid source to a receiver. In the flow passage of each valve element, there is a converging-diverging nozzle that feeds into the receiver. A trim adjustment screw is movable along the axis of each nozzle to vary the effective cross-sectional area of such nozzle. The nozzle and screw are part of an insert that can be mounted in the valve body after individual calibration.

REFERENCES:
patent: 1436417 (1922-11-01), Trumble
patent: 2999482 (1961-09-01), Bower
patent: 3308619 (1967-03-01), Richardson
patent: 3726296 (1973-04-01), Friedland et al.
patent: 3778038 (1973-12-01), Eversole et al.
patent: 3785389 (1974-01-01), Friedland et al.

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