GEAR HYDRAULIC MACHINE Russian patent published in 1995 - IPC

FIELD: hydraulics. SUBSTANCE: driving and driven gears are mounted inside the housing. Evolvent teeth of the gears are shifted in radial and tangential directions with respect to the dividing circumferences. The diameters of the gears are the same and the number of their teeth is different. The ratio of the radial shifts of the gear is differ from unity. The difference of radial shifts is equal to the sum of the differences between the radial spaces between the gears and the number of gears being multiplied by half module. The difference is in the range from -2 to 2. EFFECT: improved design. 2 cl, 1 dwg