Hydraulic shock, the banging sound or jumping hoses that occur when a hydraulic valve is used to start, stop, or change a hydraulic actuator's direction or speed, can be eliminated with a new electronic valve.Parker Hannifin's DigiValve® contains an onboard microcomputer that controls the time needed to change an actuator's direction and speed, thereby eliminating shock problems. The DigiValve can replace two or three existing valves in a typical hydraulic system, including a directional control valve and one or two flow control valves. The DigiValve uses the same voltage level signals as a solenoid-operated directional control valve to change direction, and onboard speed controls to replace manual adjustments of the flow control valves.
Controlling Hydraulic Shock with an Electrohydraulic Valve
Sae Technical Papers
International Off-Highway & Powerplant Congress & Exposition ; 1993
1993-09-01
Aufsatz (Konferenz)
Englisch
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