Circular eccentric 1 and link 4, having an eccentrically located cylindrical chamber a, rotate about fixed axis A. Eccentric 1 is connected by a turning pair to collar 2 whose shank b slides in bearing member 3. Member 3 is connected by a turning pair to fixed sleeve 5. When eccentric 1 rotates, liquid in chambers a and d is delivered in the direction of the arrows.
$3847$LHP,RP$