Lobe Type Pump:

The lobe type pump displays in figure is another differences of the simple gear pump. It is assumed as a simple gear pump having only two or three teeth per rotor; or else, its operation or the explanation of the function of its categories is no different. A few designs of lobe pumps are fitted along with replaceable gibs, that is, thin plates carried in grooves at the extremity of every lobe whereas they make contact along with the casing. The gib promotes absorbs and tightness radial wear.

Figure: Lobe Type Pump