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HYBRID WORKING MACHINE

  • US 20100297926A1
  • Filed: 05/19/2010
  • Published: 11/25/2010
  • Est. Priority Date: 05/25/2009
  • Status: Active Grant
First Claim
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1. A hybrid working machine, comprising:

  • a lower traveling body;

    an upper rotating body rotatably mounted on said lower traveling body;

    a working attachment provided on said upper rotating body; and

    hybrid devices mounted on said upper rotating body, said hybrid devices including a power storage device serving as a power source for a generator motor for performing a generator operation and a motor operation, and a controller for controlling said power storage device, wherein said power storage device and said controller are each made up of a main body and casing covering said main body, and arranged so as to overlap each other in the up and down direction in a state that a partition plate is placed between said power storage device and said controller,an intake port is provided in one of said casings,an exhaust port is provided in the other casing,a ventilation port is provided in said partition plate, andcooling air taken from said intake port into the one of said casings is introduced into the other casing through said ventilation port, and exhausted from said exhaust port, so that said power storage device and said controller are cooled down.

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