145892 ⎘
Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or ; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities with electrical means, e.g. electropneumatic transducer
HYDRAULICALLY AMPLIFIED SELF-HEALING ELECTROSTATIC ACTUATOR
#2Preventing control-induced oscillations of the position of a valve member in a valve with pneumatic actuator
#3Choke controller, system, and method using adaptive proportional gain to control choke based on pressure setpoint
#4High strain peano hydraulically amplified self-healing electrostatic (HASEL) transducers
#5Fluid control system
#6VARIABLE DISPLACEMENT METERING SYSTEM WITH MODE SELECTION
#7Choke controller, system, and method using adaptive proportional gain to control choke based on pressure setpoint
#8Methods and apparatus for quantifying pneumatic volume usage via valve controllers
#9Hydraulic turbine with self-power generation to manage, monitor and control the pressure and flow in a water or other fluid supply system
#10High Strain Peano hydraulically amplified self-healing electrostatic (HASEL) transducers
#11Process control device
#12Hydraulically amplified self-healing electrostatic transducers harnessing zipping mechanism
#13Electropneumatic controller and process control device equipped therewith
#14Electropneumatic controller and process control device equipped therewith
#15SYSTEM CONDITION DETECTION USING INLET PRESSURE
#16Electro-pneumatic converter, use of an electro-pneumatic converter, positioner, and control unit
#17METHOD OF CONTROLLING A HYDRAULIC ACTUATOR DRIVE, CONTROLLER AND ACTUATOR DRIVE CONTROLLER
#18Electropneumatic control system and position controller for such a system
#19Constructing valve positioners for hazardous areas
#20Integrated transducer
#21Piezoelectric actuator and piezoelectric actuating plate thereof
#22Vent assembly and method for a digital valve positioner
#23Pneumatic valve arrangement
#24Closed loop and/or open loop control method for an electropneumatic field device
#25Electropneumatic positioner and a field device having an electro-pneumatic positioner
#26Systems and methods for executing cryptographic operations across different types of processing hardware
#27Methods and apparatus for automatically detecting the failure configuration of a pneumatic actuator
#28Fluid valve assembly and a process valve positioner
#29Integrated transducer
#30Failsafe integrated transducer
#31Hydraulic actuation control in propellers
#32Pneumatic volume booster
#33System to pump fluid and control thereof
#34POWER GENERATION SYSTEM
#35Non-inert gas certified electronic controller
#36Electro-pneumatic actuator
#37Positioner
#38Positioner
#39Valve positioner having bypass component and control valve comprised thereof
#40Pneumatic actuation system and method
#41AIRFLOW GENERATION DEVICE
#42Position controller for a pneumatic field device
#43Methods and apparatus to partial stroke test valves using pressure control
#44Vent assembly and method for a digital valve positioner
#45System and method for controlling a valve
#46Positioner
#47Positioner
#48Positioner
#49Valve positioner having bypass component and control value comprised thereof
#50Pneumatic drive system and method for operating the pneumatic drive system
#51Electropneumatic control device and electropneumatic subassembly
#52Positioner
#53HIGH TEMPERATURE SERVO VALVE ACTUATOR
#54Parameter acquiring device and method, for defining data pairs for valve control in an opening and closing direction
#55Valve positioning system with bleed prevention
#56Pilot relay
#57Pilot relay
#58Shape memory alloy powered hydraulic accumulator having actuation plates
#59Shape memory alloy powered hydraulic accumulator having wire clamps
#60Shape memory alloy powered hydraulic accumulator having wire guides
#61Method for determining an operating position of an open/closed-valve and field device
#62Hydraulic pressure switch with porous disc as snubbing element
#63Valve controller
#64Electro-pneumatic system for controlling a double-acting pneumatic actuator
#65Safety override circuit for pneumatic positioner and method of use thereof
#66ELECTROPNEUMATIC TRANSDUCER WITH A PNEUMATIC PRESSURE-REGULATING VALVE
#67ELECTROPNEUMATIC VALVE
#68ELECTROPNEUMATIC VALVE
#69Control valve and positioner diagnostics
#70POSITIONER FOR DOUBLE-ACTING PNEUMATIC ACTUATOR, DOUBLE-ACTING PNEUMATIC ACTUATOR AND METHOD FOR OPERATING THE DOUBLE-ACTING PNEUMATIC ACTUATOR
#71Control valve and positioner diagnostics
#72Valve controller
#73High pressure transducer
#74Transducer of an electrical input signal into pneumatic output signals
#75Safety override circuit for pneumatic positioner and method of use thereof
#76Pressure control system for a torque-transmitting mechanism
#77Feedback control methods and apparatus for electro-pneumatic control systems