Sloped nozzle pneumatic device

Details Sloped nozzle pneumatic device Sloped nozzle pneumatic device

1980-09-29

1982-06-01

Cohan, Alan

Fluid handling

Pressure modulating relays or followers

Plural series units

137 85, G05D 1600

Patent

active

043322697

ABSTRACT:
A pneumatic device is arranged for reducing positive feedback and includes a housing having a diaphragm defining a control chamber, the control chamber being connected to an input and having a pressure therein dependent upon an input pressure, the control chamber having a nozzle therein and operatively associated with the diaphragm so that the position of the diaphragm with respect to the nozzle controls the pressure within the control chamber, the nozzle being sloped for substantially reducing positive feedback resulting from bleeding of the pressure from the nozzle into the control chamber and an output connected to the control chamber for providing an output pressure.

REFERENCES:
patent: 2775231 (1956-12-01), Silver
patent: 3030024 (1962-04-01), Joesting
patent: 3098383 (1963-07-01), West
patent: 3605781 (1971-09-01), Joesting
patent: 3705534 (1972-12-01), Turek
patent: 3719321 (1973-03-01), McNabney
patent: 4182486 (1980-01-01), Mott

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