Circular rotor 1 rotates about eccentrically located fixed axis A, coinciding with the geometric axis of housing 2. Vanes 3 slide in slots a of the rotor. When rotor 1 rotates, liquid is delivered in the direction of the arrows. Vanes 3 are held constantly against the internal surface of housing 2 by centrifugal force, and separate the suction and discharge chambers.
$3793$LHP,RP$