Apparatus operating by means of compressed air
Biased pressure feedback module
Control of hydraulically powered equipment
Control of hydraulically powered equipment
Control scheme for apparatus with moveable rail section
Device for moving and positioning an element of a machine
Device for regulating pressure fluid cylinders
Fail-safe fluid control valve
Fluid motor
Hydraulic control device
Hydraulically driven hammer system
Piston vibrator
Pneumatic reciprocating mechanism
Position responsive valve control for hydraulic cylinder
Power slide mechanism
Pressure fluid operated feed drive system for a movable member
Push rod assembly
Servo-control device for aircraft flight control
System for rotating a control shaft