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Air-conditioner of construction machinery

  • US 6,938,677 B2
  • Filed: 05/02/2003
  • Issued: 09/06/2005
  • Est. Priority Date: 05/14/2002
  • Status: Expired due to Fees
First Claim
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1. An air-conditioning apparatus for a construction machine, comprising:

  • a body unit of the air-conditioning apparatus;

    heat exchangers for cold air and hot air incorporated in the body unit, the body unit mounted under the floor of an operator'"'"'s cab;

    ducts which become outlets of air-conditioned air produced by the body unit are routed under the floor of the operator'"'"'s cab and are passed through the floor into the inside of the operator'"'"'s cab; and

    an opening is provided in the floor surface of the operator'"'"'s cab, with a part of the body unit protruding into the operator'"'"'s cab through the opening.

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