Hydraulic Fluid Power - Andrea Vacca

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19.1 Basic Concepts for a Multi‐Actuator Constant Pressure System 19.2 Complete Schematic for a Multi‐Actuator Constant Pressure System Problems Chapter 20: Open Center Systems for Multiple Actuators 20.1 Parallel Open Center Systems 20.2 Tandem and Series Open Center Systems 20.3 Advanced Open Center Circuit for Multiple Actuators: The Case of Excavators Problems Notes Chapter 21: Load Sensing Systems for Multiple Actuators 21.1 Load Sensing Systems Without Pressure Compensation (LS) 21.2 Load Sensing Pressure Compensated Systems (LSPC) 21.3 Flow Saturation and Flow Sharing in LS Systems 21.4 Pre‐ vs. Post‐compensated Comparison 21.5 Independent Metering Systems with Load Sensing Problems Notes Chapter 22: Power Steering and Hydraulic Systems with Priority Function 22.1 Hydraulic Power Steering 22.2 Classification of Hydraulic Power Steering Systems 22.3 Hydromechanical Power Steering 22.4 Hydrostatic Power Steering 22.5 Priority Valves Problems References

      11  Part VI: Hydrostatic Transmissions and Hydrostatic Actuators Chapter 23: Basics and Classifications 23.1 Hydrostatic Transmissions and Hydrostatic Actuators 23.2 Primary Units for Hydrostatic Transmissions and Hydrostatic Actuators 23.3 Over‐center Variable Displacement Pump 23.4 Typical Applications 23.5 Classification Summary Note Chapter 24: Hydrostatic Transmissions 24.1 Main Parameters for a Hydrostatic Transmission 24.2 Theoretical Layouts 24.3 Open Circuit Hydrostatic Transmissions 24.4 Closed Circuit Hydrostatic Transmissions 24.5 Closed Circuit Displacement Regulators Problems Notes Chapter 25: Hydrostatic Transmissions Applied to Vehicle Propulsion 25.1 Basic of Vehicle Transmission 25.2 Classification for Variable Ratio Transmission Systems 25.3 Power‐split Transmissions 25.4 Hybrid Transmissions 25.5 Sizing Hydrostatic Transmissions for Propel Applications Problems Note Chapter 26: Hydrostatic Actuators 26.1 Open Circuit Hydrostatic Actuators 26.2 Closed Circuit Hydrostatic Actuators 26.3 Further Considerations on the Charge Pump and the Accumulator 26.4 Final Remarks on Hydrostatic Actuators Note Chapter 27: Secondary Controlled Hydrostatic Transmissions 27.1 Basic Implementation 27.2 Secondary Control Circuit with Tachometric Pump 27.3 Secondary Control Circuit with Tachometric Pump and Internal Force Feedback 27.4 Secondary Control Circuit with Electronic Control 27.5 Multiple Actuators Problems References Notes

      12  Appendix A: Appendix APrime Movers and Their Interaction with the Hydraulic Circuit Objectives A.1 Corner Power Method and its Limitations A.2 Diesel Engine and its Interaction with a Hydraulic Pump A.3 Electric Prime Movers A.4 Power Limitation in Hydraulic Pumps References Note

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