Plume shroud for laminar plasma guns
AssigneeOerlikon Metco (US) Inc.
InventorsRichard McCullough, Mark F. Spaulding, Robert F. Savill, Jr., Ronald J. Molz
Life of this patent
Estimating the term…
Abstract
Plume shield shroud (10) for a plasma gun (30) includes a substantially tubular member (14) comprising an axial length, a plume entry end (11), and a plume exit end (13). The shroud (10) is adapted to be mounted to a plasma gun (30). A method of protecting, confining or shielding of a gas plume of a plasma gun (30) includes mounting (20) a gas plume shroud (10) on the plasma gun (30) such that the shroud (10) is sized and configured to substantially surround at least a portion of the gas plume.
Claims19
A plume shield shroud comprising:
- a substantially tubular member comprising an open or perforated frame having an axial length, an axially oriented wall opening, a plume entry end, and a plume exit end, and
- a mounting bar structured and arranged to mount said shroud to a plasma gun,
- wherein the axially oriented wall opening is structured to receive a portion of the plasma gun or a portion of a powder injector of the plasma gun.
A plasma gun plume shield shroud comprising:
- an open or perforated frame member being sized and configured to substantially surround at least a portion of a gas plume and including an opening in a wall of the frame member extending in the direction of the gas plume;
- a mounting bar structured and arranged to be mount the open or perforated frame member to a plasma gun,
- wherein the open or perforated frame member is sized and configured to prevent at least partial disruption of the gas plume by an air current and the opening in the wall being structured to receive a part of the plasma gun or a part of a powder injector of the plasma gun.
Dependencies are inferred from the claim text.