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Ventilated high capacity hydraulic riding trowel

  • US 10,100,537 B1
  • Filed: 05/17/2018
  • Issued: 10/16/2018
  • Est. Priority Date: 06/20/2017
  • Status: Active Grant
First Claim
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1. A motorized, ventilated high performance riding trowel for finishing concrete, said riding trowel comprising:

  • a rigid frame;

    hydraulic pump means for supplying hydraulic pressure;

    internal combustion motor means secured to said frame for powering said pump means;

    rotor means pivotally suspended from said frame for supporting said riding trowel and finishing said concrete, said rotor means comprising a plurality of radially spaced apart blades for frictionally contacting the concrete;

    hydraulic drive motor means for rotating said rotor means;

    hydraulic circuit means connected to said hydraulic pump means for controlling said hydraulic drive motor means;

    joysticks accessible to a trowel operator for selectively activating said steering circuit means, whereby the operator of the trowel can steer and control the riding trowel hydraulically;

    a seating region;

    a ventilation system for cooling hydraulic fluid without directing air through said seating region, said ventilation system comprising;

    a cooling compartment adjacent the seating region, said a cooling compartment having a shroud having at least one side ventilation orifice;

    a cooler assembly disposed within the cooling compartment;

    the cooler assembly comprising a grill, a plenum with a heat exchanger adjacent said grill and a fan adjacent said heat exchanger;

    wherein said plenum comprises a top, a bottom, a rear and open sides through which incoming air is drawn;

    wherein air is forced out of said grill.

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