Figure 7
From: Theoretical Model of Dynamic Bulk Modulus for Aerated Hydraulic Fluid
Schematic diagram of experimental system for measuring bulk modulus: 1. Servo cylinder, 2. Heavy block, 3. Pressure sensor, 4. Servo valve, 5. Temperature sensor, 6. Pressure gauge, 7. Electromagnetic directional valve, 8 Check valve, 9. Motor, 10. Elastic modulus measuring device body, 11. Air cooler, 12. Proportional relief valve, 13. Main oil line filter, 14. Overflow valve, 15. Constant pressure variable pump, 16. Manual suction pump, 17. Ball valve, 18. Auxiliary oil tank, 19. Stirring oil tank, 20. Oil-water filter, 21. Vacuum pump, 22. Main oil tank