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Road paver with layer thickness measuring device

  • US 8,696,237 B2
  • Filed: 06/15/2012
  • Issued: 04/15/2014
  • Est. Priority Date: 06/15/2011
  • Status: Expired due to Fees
First Claim
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1. A road paver for laying down a layer of laying material, the road paver comprising a movable screed and a layer thickness measuring device, having at least two sensors, one of the sensors configured to define a coordinate system,the sensors being formed to carry out a distance measurement to a pavement plane at intervals and to determine a first distance between the sensor and a point on the surface of the plane that is registered by the sensors, and whereinthe layer thickness measuring device being configured determine a first vector determined by combining as vectors the distance to the plane measured by the sensor configured to define the coordinate system with a change of inclination of the coordinate system during a movement of the road paver relative to the plane to;

  • said first vector and a second vector that is defined by the distance from the one sensor defining the coordinate system to a point that lies on the surface of the newly laid layer, being communicated to the layer thickness measuring device for use in determining the layer thickness of the laying material.

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