Proportional valve control apparatus for fluid systems
Pump controlling apparatus for construction machine
Pump discharge flow rate controlled by pilot pressure acting on
Pump drive speed regulator with control-pressure-generating valv
Regulating arrangement for hydraulic pumps
Regulating device for hydraulic working tools
Remote unloader hydraulic valve system
Reversible pressurized fluid mechanism such as a motor or a pump
Safety circuit for a hydraulic system
Series - parallel selector for steering and implement
Simplified load sensitive hydraulic system for use with a vehicl
Speed override control for hydraulic motors
Stacker control
Steering valve for hydrostatic drive
Straight traveling hydraulic circuit
Straight travelling apparatus for heavy construction equipment
Straight travelling apparatus for heavy construction equipment
Summing pressure compensation control
Supply valve arrangement for closed center hydraulic system
Swing flow supplemental travel for an excavator