Patent ID: 6357386
Filing Date: 2002-03-19
Classification: C23C

Abstract:
A plasma spraying assembly for treating the surfaces of substrates, comprising:a treatment chamber means; a vacuum pump means operatively connected to said treatment chamber means and adapted to create a subatmospheric pressure in an interior of said treatment chamber means; a plasma spraying means mounted in the interior of said treatment chamber means; an assembly for controlling the gas flow in the interior of said treatment chamber means; said assembly for controlling the gas flow comprising a deflecting means located at least partially in the interior of said treatment chamber means and including a plurality of deflecting device means that are adapted to interfere with a gas flow in said treatment chamber means; said assembly for controlling the gas flow further comprising a collecting shaft means located adjacent to and communicating with said treatment chamber means; said deflecting means comprising a basic element means located in a transition area between said treatment chamber means and said collecting shaft means, said basic element means being provided with first baffle means and at least one passage means for a gas exchange between said treatment chamber means and said collecting shaft means.