FIELD: mechanical engineering. SUBSTANCE: fixed connector is located between inlet and outlet passages of housing where internal and external gears are arranged; teeth of these gears form working chambers of varying volume. Internal gear is provided with relief bush which is fixed inside in and is provided with supply and distance passages. Gears are supported as cantilevers on shafts relative to antifriction bearings. EFFECT: enhanced reliability. 2 cl, 3 dwg
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