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Homepage>BS Standards>23 FLUID SYSTEMS AND COMPONENTS FOR GENERAL USE>23.100 Fluid power systems>23.100.10 Pumps and motors>BS ISO 10767-3:1999 Hydraulic fluid power. Determination of pressure ripple levels generated in systems and components Method for motors
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immediate downloadReleased: 1999-12-15
BS ISO 10767-3:1999 Hydraulic fluid power. Determination of pressure ripple levels generated in systems and components Method for motors

BS ISO 10767-3:1999

Hydraulic fluid power. Determination of pressure ripple levels generated in systems and components Method for motors

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Standard number:BS ISO 10767-3:1999
Pages:34
Released:1999-12-15
ISBN:0 580 35820 8
Status:Standard
DESCRIPTION

BS ISO 10767-3:1999


This standard BS ISO 10767-3:1999 Hydraulic fluid power. Determination of pressure ripple levels generated in systems and components is classified in these ICS categories:
  • 23.100.10 Pumps and motors

This part of ISO 10767 specifies a procedure for the determination of a rating of the source flow ripple, source impedance and pressure ripple levels generated by positive-displacement hydraulic motors, including bi-directional motors. Ratings are obtained as the following:

  1. the source flow ripple amplitude, in cubic metres per second, over ten individual harmonics of motoring frequency;

  2. the source impedance amplitude, in newton seconds per metre to the power of five [(N·s)/m5], and phase, in degrees, over ten individual harmonics of motoring frequency;

  3. the anechoic pressure ripple amplitude, in pascals, over ten harmonics of motoring frequency;

  4. the overall root mean square (r.m.s.) anechoic pressure ripple, in pascals;

  5. the blocked acoustic pressure ripple amplitude, in pascals, over ten harmonics of motoring frequency;

  6. the overall root mean square (r.m.s.) blocked acoustic pressure ripple, in pascals.

This part of ISO 10767 is applicable to all types of positive-displacement motor operating under steady-state conditions, irrespective of size, provided that the motoring frequency is in the range from 50 Hz to 400 Hz.