GEAR-TYPE HYDRAULIC MACHINE Russian patent published in 2001 - IPC

FIELD: hydraulic machines for tractors, excavating machines, agricultural, road-building and other machines. SUBSTANCE: gear-type hydraulic machine has drive and drive gears with end sealing members, trunnions fitted and radially and axially movable housings of bearings arranged inside housing of hydraulic machine formed by two intersecting cylindrical holes closed by least one cover; axial pressure fields are defined by З-shaped seals at rear sides of end seals which are provided with protective members extending over peripheral edges; З-shaped seals are provided with protective members over their outer diameter; they seal of bearing bushes with hydraulic machine housing; on side of low pressure, they have projections received by respective holes found at ends of protective members fitted over inner peripheral edges of З-shaped seals. Ends of protective members form together with З-shaped single assembly unit which excludes separation or shift of seals relative to one another and relative to protective members. EFFECT: facilitated assembly of hydraulic machine. 5 dwg