RADIAL-PLUNGER VARIABLE-DISPLACEMENT PNEUMOHYDRAULIC MACHINE Russian patent published in 1997 - IPC

FIELD: any industry where pumping of gas or liquid is required. SUBSTANCE: machine has housing 1 where cylinders 2 with plungers 3 are mounted; plungers 3 are kinematically linked with bush 4. Shaft 6 and clutch member 8 are free to rotate in housing 1; they are provided with coaxial holes with curvilinear slots 7 and 9 of different direction. Holes are used for mounting spring 10 whose guides are engageable with slots 7 and 9. Spring 10 is connected with mechanism for positive axial displacement of it. Bush 4 rotates on crank 5 of shaft 6; it is kinematically linked with clutch member 8. EFFECT: enhanced reliability. 2 cl, 2 dwg