Water lance blower positioning system

  • US 6,035,811 A
  • Filed: 11/26/1997
  • Issued: 03/14/2000
  • Est. Priority Date: 05/30/1995
  • Status: Expired due to Term
First Claim
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1. A water lance blower for cleaning a heating installation having wall areas and a hatch, wherein the heating installation is operational with flames and/or smoke flowing therethrough, said water lance blower comprising:

  • a water lance having a mouth, wherein the water lance is movably arranged with the mouth at the hatch for blowing a water jet through the heating installation onto the wall areas which can be reached from the hatch,a water supply in fluid communication with said water lance;

    at least one movement element, of said water lance, which is connected in a stationary manner at one end, outside a vertical plane through a point of movement of said water lance, to the heating installation and which is connected at another end to said water lance, wherein said at least one movement element moves said water lance about the point of movement; and

    path sensors which determine a position of said water lance relative to a reference position of said water lance;

    wherein said at least one movement element comprises at least two movement elements, wherein each movement element of said at least two movement elements is fixed at one end to an installation fixing point and is fixed at another end to the water lance at a water lance fixing point, wherein for each movement element an angle between the installation fixing point, the water lance fixing point and the point of movement of said water lance is between about 80° and

    about 140°

    wherein the vertex of the angle is at the water lance fixing point.

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