Thermal Dynamics Corporation

Jonathan Brasseur

Roger W Hewett

Kevin D Horner-Richardson

Carl R Mack

William M Wakefield, Sr

Walter Stark

Vented shield systems for plasma arc torches are provided that comprise a shield cup body defining a distal end portion, a vented retainer secured to the distal end portion of the shield cup body, and a shield cap secured to the vented retainer. The vented retainer defines at least one vent passageway that directs a flow of secondary gas inward toward the shield cap, and the vented shield system blocks at least a portion of molten metal from contacting components, such as a tip or nozzle, of the plasma arc torch. The shield cap may comprise a mechanized cap, a drag cap, a gouging cap, or a deflector cap, among others. Accordingly, various shield caps may be employed without removal or replacement of the vented retainer. The same vented retainer may be used throughout a variety of plasma arc torch applications.

Vented shield system for a plasma arc torch

Retainer cap for a plasma arc torch

Drag cap for a plasma arc torch

Vented shield for a plasma arc torch

Gouging cap for a plasma arc torch

Mechanized cap for a plasma arc torch

Ohmic clip

Deflector cap for a plasma arc torch

Growing community of inventors

Cornish, NH, United States of America

Jonathan Brasseur