Patent ID: 8624149
Filing Date: 2014-01-07
Classification: B23K,H05H

Abstract:
1. A plasma arc torch comprising a main torch body, an electrode, and a nozzle, a generally annular fluid flow passage being defined between a radially inner wall and a radially outer wall for flow of a fluid therethrough, the torch further comprising a generally annular baffle disposed in the generally annular fluid flow passage and engaging the radially inner and radially outer walls thereof, wherein: the baffle defines distinct faces A, B, C, and D, the faces A and C being generally opposite from each other and the faces B and D being generally opposite from each other, a set of first passages extending between the faces A and C, and a set of second passages extending between the faces B and D, and the faces of the baffle and the radially inner and outer walls of the annular fluid flow passage being configured to cooperate such that: in a first orientation of the baffle the first passages are open to fluid flow and the second passages are closed to fluid flow by engagement of the radially inner and outer walls with the faces B and D, and in a second orientation of the baffle, flipped over relative to the first orientation, the second passages are open to fluid flow and the first passages are closed to fluid flow by engagement of the radially inner and outer walls with the faces A and C.