F-Term-List

F15B9/00-9/17

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PURPOSE AND EFFECTS

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. Improved precision (e.g., accurate positioning)

. Improved operability

. Improved responsiveness

. Operation of high-speed actuators

. Cushioning (e.g., providing for smooth operation)

. Stabilization

. Simplification of structure (e.g., miniaturization)

. Safety measures

. Reduced energy

. Elimination of effects from external disturbances

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HYDRAULIC AND PNEUMATIC CONTROL-CIRCUIT ELEMENTS

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. On/off valves

. Multi-directional valves (e.g., servo valves)

. . Rotary valves

. . Spool valves

. . . Formation of diagonal grooves in the spools

. Flow-rate control valves (e.g., throttle valves)

. Pressure-control valves

. Valve bodies built into pistons or motor shafts

. Variants with a plurality of the same type of valve

. Compressive fluids

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FEEDBACK SYSTEMS

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. Direct feedback

. Power feedback

. Position feedback

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COMPARATOR INPUT MEANS

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. Mechanical means

. . Cams

. Fluid means

. Electric or electromagnetic means

. . Stepper motors (e.g., pulsed motors)

. . Program setters

. Optical means

. Digital signals

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CONTROL ELEMENTS FOR FEEDBACK AND FLUID EQUIPMENT

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. Mechanical elements

. . Springs

. . Cams

. . Links

. . Gears or screws

. . Ropes

. Fluid elements

. . Telemotors

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. Electric or electromagnetic elements

. . Arithmetic units

. . Storage devices

. . Computers

. . Pulse modulation and demodulation

. Optical elements

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. Digital signals

. Circuits to compensate for control-system characteristics

. . Feedback compensation

. . . Speed feedback

. . Addition of dither signals

3H001	Servomotors (1)
	F15B9/00 -9/17