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US 7,124,960 B2Granted
Electric arc wire burner
AssigneeDaimlerChrysler AG
InventorsSven Schach, Tilmann Haug, Alexander Sagel
Life of this patent
Estimating the term…
Abstract
The invention relates to an electric arc wire burner for spraying an electric arc, comprising at least two burner tubes (3) for feeding electrodes which are embodied in the form of wire (5). Said electrodes are guided through the burner tube (3) in the direction of the surface of the object which is to be coated. The wire (5) is guided by a deflection device (7) comprising a number of rotationally mounted guiding elements and/or sliding elements (8) and the wire (5) is deformed in an elastic area.
Claims10
A plasma wire burner for plasma spray, comprising:
- at least two burner tubes (3) for supplying electrodes in the form of wires (5) from a supply tube (1),
- a feed device (7) for passing an electrode through a burner tube (3) in a direction toward a surface of an object to be coated, the feed device has a plurality of guiding and/or sliding elements (8) which are mounted such that they can rotate for deforming the wire in an elastic or plastic range,
- wherein the feed device (7) is integrated in the burner tube (3) or is held in it, and wherein the guiding and/or sliding elements (8) are in the form of rollers or ball bearing mounted rollers,
- wherein the burner or the supply tube (1) is formed from three segments which can be joined together,
- wherein the burner or the supply tube (1) has an approximately circular cross section when viewed from the front, and
- wherein the central segment of the burner or of the supply tube (1) is approximately wedge-shaped when viewed from the front.
3 more elements
Dependencies are inferred from the claim text.