How a Gear Works

How a Gear Works

How a Gear Works

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At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic Parts
Today we will discuss;

How a Gear Works

Hydraulic Motors function by causing an unbalance, which causes  the rotation of a shaft. In a gear motor, this is cause by teeth unmeshing.

In the diagram it shows the inlet is exposed to system pressure. The outlet is under tank pressure. As the gear teeth unmesh, you can see that the teeth sub balance to system pressure are hydraulically balanced except for one side of the one tooth on one gear. That is where torque is refined. Also, that is where the torque is advanced by a gear motor of this kind in a function of one side of one gear tooth. The bigger the gear tooth or the higher the pressure, the more torque there is.

Also, you may ponder the question, why the gear teeth do not turn in the other direction. So if you rotate in the other direction, gear teeth would have to mesh instead of unmesh. Gears that mesh make a decreasing volume that pushes fluid out of the housing. So the gears have no choice but to mesh.



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