MULTIPLE-ACTION RADIAL-PISTON HYDRAULIC MOTOR Russian patent published in 1997 - IPC

FIELD: transport, agriculture, civil engineering; load driving installations. SUBSTANCE: motor has housing with covers and end face distributor. The latter is installed in housing space on rolling supports. Cylinder block with pistons has longitudinal slots with parallel surfaces. Crossmembers are arranged in slots and provided with rolling supports in form of bearings installed on axles at their end faces. Slots and side projections are found on side surfaces of crossmembers. Additional rolling supports are installed in slots and projections symmetrically relative to axis of main rolling supports. Additional rolling supports are made in form of rollers fixed from axial displacement by end faces in slots of side projections and from falling down by pins with flats. EFFECT: enlarged operating capabilities. 3 dwg