FIELD: engines and pumps.
SUBSTANCE: invention relates to machine building, particularly, to lubing systems of reduction gearboxes with branch and overrunning clutches. Proposed system is intended for reduction gear unit made inside drive shaft consisting of engaged drive, torsion and input shaft clutches with overrunning clutch to feed oil therein via through oil duct and blind duct, and on shaft torsion side, and with throttle valve arranged on gear outlet. Oil distribution annular beads extending inside through channel are arranged on torsion faces and input shaft face. Note here that torsion equal-diameter faces are provided with two or more through holes with diameter of circles of said holes equal to that of through channel plus their diameter.
EFFECT: higher reliability.
3 dwg
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