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TSM 363 Fluid Power Systems

TSM 363 Fluid Power Systems. Control Valves - Key components for power distribution control . v o , F o. P 1 Q 1. P 4 Q 4. n i , T i. M. n o , T o. Energy Level. Power Distribution in Hydraulic Systems. CONTROL VALVES. Poppet Valves. Spool Valves. Basic Valve Configurations.

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TSM 363 Fluid Power Systems

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  1. TSM 363 Fluid Power Systems Control Valves - Key components for power distribution control

  2. vo, Fo • P1 Q1 • P4 Q4 • ni, Ti • M • no, To • EnergyLevel Power Distribution in Hydraulic Systems

  3. CONTROL VALVES Poppet Valves Spool Valves Basic Valve Configurations

  4. Typical Configuration of Poppet Valves

  5. Operation Principle of Poppet Valves

  6. Flow Passability - Orifice Equation • Cd is determined experimentally • Pressure drop is proportional to flow • Valve Principles: Area is a adjusted to control pressure and flow rate • Density of petroleum-based fluids 850-950 kg/m3

  7. Performance of Typical Poppet Valves

  8. Direct-Acting Poppet Valves

  9. Pilot-operated Poppet Valves

  10. Typical Configuration ofSpool Valves

  11. Operation Principle of Spool Valves

  12. Performance of Typical Spool Valves

  13. Commonly Used Spool Valves

  14. DirectionControl PressureControl FlowControl Functions of Hydraulic Control Valve CONTROL VALVES

  15. Pressure Checking Valves pressure check valve

  16. Pressure Checking Valves pressure shuttle valve

  17. Pressure Regulating Valves constant-pressure-reducing

  18. Pressure Regulating Valves fixed-pressure-reducing

  19. Pressure Regulating Valves pilot operated pressure-reducing

  20. Pressure Regulating Valves direct-acting sequencing valve

  21. Pressure Regulating Valves pressure counterbalancing

  22. Flow Control Valves

  23. Directional Control Valves

  24. Prioritized Directional Control Valves

  25. Lecture Summary • Discussed the basic principles of different types of hydraulic control valves: • Basic valve configuration • Control of different system parameters

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