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Combine harvester cab environment system

  • US 5,911,624 A
  • Filed: 06/17/1998
  • Issued: 06/15/1999
  • Est. Priority Date: 06/17/1998
  • Status: Expired due to Term
First Claim
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1. A combine harvester cab environment system, comprising:

  • a. a lower panel having a right front post, a left front post, a right rear post and a left rear post, each said post perpendicularly affixed to the lower panel;

    b. an upper panel perpendicularly supported by the right front post, the left front post, the right rear post and the left rear post;

    c. a rear panel affixed to the lower panel, the left rear post, the right rear post and the upper panel, said rear panel having a deck;

    d. a front windshield generally parallel to the rear panel, said front windshield affixed to the lower panel, the upper panel, the right front post and left front post;

    e. a left door pivotally affixed to the left front post;

    f. a right door generally parallel to the left door, said door pivotally affixed to the right front post;

    g. a heating, ventilation and air conditioning unit affixed to an exterior of the rear panel, said unit receives a quantity of fresh air from a fresh air intake, said air passing through a fresh air filter, said filter affixed to the exterior of the rear panel, said fresh air processed by the unit and projected into a cab by a distribution duct; and

    h. a return air filter affixed to an interior of the rear panel, said return air filter above the lower panel, said return air filter receiving a quantity of contaminated air, said contaminated air sent to the unit through a return air duct and wherein the return air filter is positioned 6 inches above the lower panel, whereby a particulate on the lower panel will not enter the return air filter.

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