Fixed Displacement Piston Pump

http://www.mekanizmalar.com/fixed_displacement_piston_pump.html
An axial piston pump has a number of pistons (usually an odd number) arranged in a circular array within a housing which is commonly referred to as a cylinder block, rotor or barrel. This cylinder block is driven to rotate about its axis of symmetry by an integral shaft that is, more or less, aligned with the pumping pistons

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[Quickboy15]

what are white dots???

[mekanizmalar]

@Quickboy15 Indicating flow direction.

[Tome4kkkk]

Is it true that if you look for a hydraulic pump with the lowest noise levels in respect to their output power the axial piston pumps are best?

[mekanizmalar]

@Tome4kkkk I do not know, whether what you say, is true or not. However I recommend you to read an article in the "designworldonline". which I found very interesting. Please go to their web page designworldonline com and do search for the subject "Hydraulic Pump Noise Reduction".

[PRONIKHIL22]

AWESOME



[mekanizmalar]

@PRONIKHIL22 Thank You

[Tome4kkkk]

@mekanizmalar Thanks for the article but I rather look for guidelines intended for circuit builder, not for designer of specific components i.e. I'm looking for advise on which pump to buy, not how to design it :)

[mekanizmalar]

Thanks for your good comment. Here is what I found about number of pistons.

"Experience have been shown that odd number of pistons have smaller output pressure fluctuations than an even number of pistons."

[7olusegun]

That was a clear "mechanism of action" of a fixed displacement piston pump. But why are the pistons almost always odd numbers?

[mekanizmalar]

@HeliHarald

Thank you for your good comment and visiting my channel.