THREE-MEMBER ROTOR-CAM MECHANISM Russian patent published in 1996 - IPC

FIELD: mechanical engineering. SUBSTANCE: mechanism has cylindrical housing and sleeves forming clearances in which rotor pistons are mounted. Rotor is rigidly secured to shaft which is provided with profiled disks with negative cams acting on spring-loaded pushers mounted in sleeve guides for radial motion. Rigidly secured to sleeves are covers with lugs for bearings which are closed and pressed by hatches. Housing is provided with inlet and outlet passages. Profiled disks are mounted for axial displacement along shaft with the aid of lock nut and spring. Upper detachable plate of mechanism is provided with slot. Profiled disk has rim with flange having cut. Side cover has spokes forming openings for passage of pusher. Assembly clearances are provided in housing and sleeves. Sleeve guides are provided with antifriction bushes. Pusher rod consists of upper and lower parts forming telescopic connector where flexible elements are fitted. EFFECT: maintainability of mechanism due to replacement of defective pusher without disassembly of mechanism as a whole. 4 cl, 7 dwg