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Hydraulic excavator

  • US 8,640,803 B2
  • Filed: 05/24/2012
  • Issued: 02/04/2014
  • Est. Priority Date: 06/17/2011
  • Status: Expired due to Fees
First Claim
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1. A hydraulic excavator comprising:

  • a lower travel body;

    an upper swivel body having a drive source, a work implement, and a cooling fan, the upper swivel body being swivelably supported on the lower travel body;

    a cooling unit disposed midway in an air channel formed by the cooling fan; and

    a first exterior member and a second exterior member covering the cooling unit, the first and second exterior members being disposed in a front-rear direction of a vehicle body and supported by the upper swivel body,the cooling unit includinga first cooling device disposed facing the first exterior member, anda second cooling device disposed on a side of the first cooling device towards the second exterior member and in midway in the air channel between the second exterior device and the cooling fan, the second cooling device extending in a direction intersecting a direction in which the first cooling device extends is disposed to a side of the first cooling device extends,the first exterior member having a first opening in a portion that overlaps the first cooling device in a height direction,the second exterior member having a second opening in a portion that overlaps the second cooling device in the height direction, anda lower edge of one of the first opening and the second opening that is disposed at a higher position is positioned higher than an upper edge of the other of the first opening and the second opening that is disposed at a lower position.

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