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Power transmission apparatus

  • US 10,763,024 B2
  • Filed: 09/13/2017
  • Issued: 09/01/2020
  • Est. Priority Date: 10/03/2016
  • Status: Active Grant
First Claim
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1. A power transmission apparatus comprising:

  • a power transmission pad for wireless power transmission, the power transmission pad comprising a cast resin frame, at least part of the cast resin frame being embedded in ground;

    a base structure disposed below the power transmission pad;

    grout filled around the power transmission pad, including a gap between an upper surface of the base structure and the power transmission pad;

    a soil-invasion restriction member disposed around both of the base structure and the grout to directly contact the grout, the soil-invasion restriction member preventing component materials of the base structure and of the grout from flowing into surrounding gravel; and

    an anchor joined to the cast resin frame and fixed to the base structure, the anchor being disposed in the grout and adjusting a position of the power transmission pad in a depth direction.

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