Crank 1 rotates about fixed axis A and is connected by turning pair B to connecting rod 2 which is rigidly attached to circular housing member a. Connecting rod 2 is connected by turning pair C to slider 6 which reciprocates along fixed guide slot b. When crank 1 rotates, housing member a rolls and slides with its internal surface around the external surface of fixed sleeve 4. Link 3, turning about fixed axis D, is connected by a sliding pair to bearing member 5 which, in turn, is connected by turning pair E to connecting rod 2. Link 3 separates the suction and discharge chambers formed by member a and sleeve 4. Liquid is delivered in the direction of the arrows.
$3844$LHP,RP$