TENSIONER Russian patent published in 2014 - IPC F16H7/12 

FIELD: engines and pumps.

SUBSTANCE: invention relates to belt drive tensioners. Proposed device comprises base (7), turn lever (1) engaged with the latter to turn about axle (3), torsion spring (9) engaged between said base and said turn lever. Torsion spring can be loaded by turn lever displacement in direction of unwinding. Damper (8) stays in friction engagement with turn lever inner surface (11) and in press engagement with base (7) to thrust against the thrust (71) on the base. Said damper is pressed radially outward in engagement with the lever inner surface when torsion spring is loaded in unwinding direction and by turn of said damper about thrust (71).

EFFECT: longer life.

5 cl, 4 dwg