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Drive system with hydraulic idler tensioner

  • US 9,995,374 B2
  • Filed: 09/28/2016
  • Issued: 06/12/2018
  • Est. Priority Date: 04/14/2015
  • Status: Active Grant
First Claim
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1. A method of providing a crop preparation or handling operation with a performance system of an agricultural work machine driven by a primary power source, the method comprising:

  • providing a primary drive system operatively connected to the primary power source and configured to drive the performance system for the crop preparation or handling operation;

    providing a secondary drive system operatively connected to the primary drive system, wherein the secondary drive system includes a fluid driven motor adapted to receive a flow of pressurized fluid and having a drive shaft providing a torque, the fluid driven motor operatively connected to a belt configured to adjust a condition of the primary drive system; and

    automatically adjusting a tension of the belt proportionally in response to the torque provided by the drive shaft of the fluid driven motor by applying a force at a first location of the belt based on a fluid flow through the fluid driven motor in a first direction and automatically adjusting the tension of the belt by applying a force at a second location of the belt based on a fluid flow through the fluid driven motor in a second direction.

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