B737Theory - EDP hydraulic valves The Engine Driven hydraulic Pump is located on the engine gearbox where its hydraulic system comprises two valves to control supply and to shutoff of hydraulic fluid.
![a) Aircraft engine driven pump; (b) Aircraft engine motor driven pump. | Download Scientific Diagram a) Aircraft engine driven pump; (b) Aircraft engine motor driven pump. | Download Scientific Diagram](https://www.researchgate.net/publication/332150102/figure/fig1/AS:743237820092418@1554213113500/a-Aircraft-engine-driven-pump-b-Aircraft-engine-motor-driven-pump.png)
a) Aircraft engine driven pump; (b) Aircraft engine motor driven pump. | Download Scientific Diagram
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Hydraulic piston pump in civil aircraft: Current status, future directions and critical technologies - ScienceDirect
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