GEARED HYDRAULIC MACHINE WITH INTERMEDIATE BODIES Russian patent published in 1998 - IPC

FIELD: hydraulic motors or hydraulic pumps for multipurpose hydraulic systems. SUBSTANCE: planet- gear hydraulic machine has out-of-round sun gears 1,5, planet pinions 8, and two end plates 7 with channels 12 for working fluid inlet and outlet. Teeth on sun gears 1,5 are made in the form of intermediate bodies, such as rollers 2,6, held in position on sun gears 1,5 by means of separators. The latter are combined with end plates 7 at sun gear 1 for external engagement. Separators are provided with seats for intermediate bodies. All teeth are equally shaped. EFFECT: simplified design and reduced manufacturing cost. 2 cl, 2 dwg