Device for converting electric signals into pneumatic signals

Details Device for converting electric signals into pneumatic signals Device for converting electric signals into pneumatic signals

1983-01-27

1985-11-26

Cohan, Alan

Fluid handling

Pressure modulating relays or followers

137 84, 25112915, 335230, G05D 1600

Patent

active

045549389

ABSTRACT:
In a device for converting electric signals into pneumatic signals, a soft-iron core (3) and a coil (2) are arranged stationary. The soft-iron core has an air gap (7) between two pole shoes (5, 6). A permanent magnet (8) is movably arranged within this gap (7) or directly in front of it. The permanent magnet can be fastened, for instance, to one lever arm of a rocker (9). The other lever arm of the rocker (9) is then developed as baffle plate (11) adapted to throttle the stream of air emerging from a pneumatic nozzle (12) to a greater or lesser extent depending on the position of the rocker. The dynamic pressure of this stream of air is fed via a booster (15) to an outlet (20).

REFERENCES:
patent: 2338909 (1944-01-01), Eichborn
patent: 2761982 (1956-09-01), Donat
patent: 2836733 (1974-09-01), Cragg
patent: 4227164 (1980-10-01), Kitahara
patent: 4306589 (1981-12-01), Harned et al.
patent: 4336819 (1982-06-01), Nishihara

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