Fluid-pressure-operable relay valves

Fluidic deflector jet servovalve

Fluidic upstream control of the directional flow of a power jet

Four mode pneumatic relay

Frequency feedback on a current loop of a current-to-pressure co

Gas high-low pressure control apparatus

High sensitivity magnetic actuator

High-low pressure pilot

Hydraulic amplifiers with reduced leakage at null

Hydraulic pressure regulating valve

Leverless pressure transducer

Linkage for moment balancing measuring apparatus

Mechanical flexure for motion amplification and transducer with

Mechanical flexure for motion amplification and transducer with

Mechanical flexure for motion amplification and transducer with

Metering valve

Method of performance improvement for an I/P servo

Method to stabilize a nozzle flapper valve

Modular pressure instrument

Multiple load integrated fluid control units