An engine includes a throttle, a drive shaft, a driven shaft, a continuously variable transmission coupling the drive and driven shafts and providing a mechanical advantage therebetween, and a governor that operates the throttle as a function of rotational speed of the driven shaft. The transmission includes a first wheel coupled to the drive shaft, a second wheel coupled to the driven shaft, and a belt coupling the first and second wheels, wherein a working diameter of the second wheel changes as a function of torque acting on the driven shaft, thereby automatically changing the mechanical advantage in response to torque experienced by the driven shaft, and wherein a working diameter of the first wheel changes a function of tension in the belt.


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    Title :

    Transmission for outdoor power equipment


    Contributors:

    Publication date :

    2015-10-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F16H Getriebe , GEARING / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen



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