Standards Development
This International Standard establishes the general requirements for brushed DC motor pumps, suitable for use in aircraft hydraulic systems at pressures up to 5 000 psi (35 000 kPa).
While DC electric motor pumps are in widespread use in aerospace applications and have been for a long time, there is currently no common standard which records the typical configurations of this type of pump.
The ISO standard will aid system and component designers in developing detail specifications for DC motor powered hydraulic pumps.
The need for a DC brushed motor pump standard is also becoming more important to the industry, as the trend in aircraft design for power, motion and control systems is moving toward more 'federated' or 'more electric' architectures, where there is a greater reliance on electrical power and subsequently the use of electric motor pumps will become more widespread.
Brushed DC motor pumps embody the simplest of the major varieties of electric motor which include brushed DC, brushless DC and AC motors and so this represents the logical starting point for a family of motor-pump standards.
There are also a variety of pump types which can be used in conjunction with the electric motor to comprise the motor-pump, these pump options will be described in general in the standard.
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