Pneumatic pressure transmitter

Details Pneumatic pressure transmitter Pneumatic pressure transmitter

1985-04-29

1986-12-09

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

13750546, G05D 1606

Patent

active

046274596

ABSTRACT:
The invention presents a new means for accurate pressure setting and converting electrical signals into pneumatic signals. New pressure regulating means close the inlet port against the flow and utilize a balance system, which reduces the supply pressure effect and operating force. These improvements allow the use of small size stepped motors and provide automatical or manual operation. Electrical to pressure convertors, pressure regulators, electrical to pressure relay, control valve positioners, boosters and others can be developed by using the new means.

REFERENCES:
patent: 1611263 (1926-12-01), Bihl
patent: 3207175 (1965-09-01), Pauly
patent: 3856042 (1974-12-01), Fletcher

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