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Hydraulic Vane Pump: How It Works, Where It’s Used, and When to Choose One

A vane pump is a positive displacement pump, meaning it moves a fixed amount of fluid with every rotation regardless of pressure. Inside the pump, a slotted rotor sits off-center within a circular (or elliptical) cam ring. Flat vanes fit into the slots of the rotor and slide in and out as it spins, pushed outward by centrifugal force, hydraulic pressure, or small springs so they stay in constant contact with the cam ring wall.

Rexroth vs. Danfoss Hydraulic Motors: Which One Fits Your Application?

When it’s time to select or replace a hydraulic motor, two names come up more often than most: Rexroth and Danfoss. Both are established, globally trusted manufacturers, and both make motors that perform well — but they’re not built with the same priorities. Picking the right one comes down to matching the motor’s strengths to your actual application, not just going with whichever brand is more familiar.

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