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Ground-embedded air cooled lighting device, in particular floodlight or sealed lamp

  • US 20040156191A1
  • Filed: 05/19/2003
  • Published: 08/12/2004
  • Est. Priority Date: 02/12/2003
  • Status: Active Grant
First Claim
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1. A lighting device, in particular a floodlight such as a sealed lamp embedded in a ground, emitting a directional light beam upward directed, comprising:

  • an optical deflector, a light source mounted at a focus of said reflector, a power supply unit for power supplying said light source, a disc element supporting a translucid material for allowing light to pass therethrough, characterized in that said lighting device further comprises;

    a fan to supply air to an inside of said lighting device, so as to allow to remove the heat from said light source, and electric elements for power supplying said fan and an air conveying assembly including a body and tube allowing said air to circulate through a closed loop and allowing said translucid material used for conveying light to an outside environment to be cooled.

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