VARIABLE SYSTEM PRESSURE BASED ON IMPLEMENT POSITION

-20 Abstract VARIABLE SYSTEM PRESSURE BASED ON IMPLEMENT POSITION A hydraulic system (118) for controlling an implement on a work machine (100) may include a hydraulic reservoir (120), a hydraulic pump (122) in fluid communication with the reservoir (120), a central valve (128A) in fluid communicati...

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Bibliographische Detailangaben
Hauptverfasser:	ALBERS, Riley A, EVANS, David R, O'NEILL, William N, FERRIER, James T, WIGG, Jason P, BERRY, Jeffrey K
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DREDGING FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS FOUNDATIONS HEATING HYDRAULIC ENGINEERING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SOIL SHIFTING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	-20 Abstract VARIABLE SYSTEM PRESSURE BASED ON IMPLEMENT POSITION A hydraulic system (118) for controlling an implement on a work machine (100) may include a hydraulic reservoir (120), a hydraulic pump (122) in fluid communication with the reservoir (120), a central valve (128A) in fluid communication with the pump (122) and configured for controlling the implement, a pressure relief system (128B-D), and a controller (130). The controller (130) may be configured for controlling the central valve (128A) and the pressure relief system (128B-D) and selecting between operating the hydraulic system (118) at a first pressure and a second pressure based on a factor relating to implement position. 118> 114-N Lift CylQC) 114 Lift CylQ0 F Tank Tilt CylQ Tn 132 134 _u _ _ Lift Valve Tilt Valve 120 Pump Section Section 116 116 1228A 124 LS 12Relief: LS/ Drain Implement Variable Valve Displacement Load Sense 122 124 Pump 120 Solenoid _S Relief FIG120 --- 136