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1. (WO2017172885) SYSTEMS AND METHODS FOR PLASMA GAS VENTING IN A PLASMA ARC TORCH
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2017/172885 International Application No.: PCT/US2017/024707
Publication Date: 05.10.2017 International Filing Date: 29.03.2017
IPC:
H05H 1/28 (2006.01) ,H05H 1/34 (2006.01)
H ELECTRICITY
05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H
PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY- CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
1
Generating plasma; Handling plasma
24
Generating plasma
26
Plasma torches
28
Cooling arrangements
H ELECTRICITY
05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H
PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY- CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
1
Generating plasma; Handling plasma
24
Generating plasma
26
Plasma torches
32
using an arc
34
Details, e.g. electrodes, nozzles
Applicants: HYPERTHERM, INC.[US/US]; Etna Road P.O. Box 5010 Hanover, NH 03755, US
Inventors: CURRIER, Brian J.; US
LIEBOLD, Stephen M.; US
Agent: RASMUSSEN, Xin Hu; US
CONSALVI, Mary; US
COUSINS, Abigail; US
SHALEK, James; US
BAUER, Steven; US
Priority Data:
62/314,65829.03.2016US
Title (EN) SYSTEMS AND METHODS FOR PLASMA GAS VENTING IN A PLASMA ARC TORCH
(FR) SYSTÈMES ET PROCÉDÉS PERMETTANT UNE VENTILATION DE GAZ DE PLASMA DANS UN CHALUMEAU À ARC PLASMA
Abstract:
(EN) A plasma cutting system is provided. The system includes a torch tip having a proximal end and a distal end defining a longitudinal axis extending therethrough. The torch tip includes a plasma plenum and a plasma arc exit orifice located at the distal end of the torch tip. The system includes a lead having a distal end configured for connection to the proximal end of the torch tip. The system also includes an atmospheric vent port disposed between the plasma arc exit orifice and the distal end of the lead. The system further includes a conduit fluidly connecting the plasma plenum and the atmospheric vent port.
(FR) La présente invention concerne un système de découpe par plasma. Le système comprend une buse de chalumeau ayant une extrémité proximale et une extrémité distale définissant un axe longitudinal s'étendant à travers cette dernière. La buse de chalumeau comprend un plénum de plasma et un orifice de sortie d'arc plasma situé au niveau de l'extrémité distale de la buse de chalumeau. Le système comprend un fil ayant une extrémité distale configurée de sorte à être raccordée à l'extrémité proximale de la buse de chalumeau. Le système comprend également un orifice d'évent atmosphérique disposé entre l'orifice de sortie d'arc plasma et l'extrémité distale du fil. Le système comprend en outre un conduit reliant de manière fluidique le plénum de plasma et l'orifice d'évent atmosphérique.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)