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1. (WO2019046219) CORONA IGNITER FIRING END ELECTRODE TIP WITH DUAL METAL RIVETS AND METHOD OF MANUFACTURE
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Pub. No.: WO/2019/046219 International Application No.: PCT/US2018/048211
Publication Date: 07.03.2019 International Filing Date: 28.08.2018
IPC:
H01T 13/39 (2006.01) ,H01T 13/50 (2006.01) ,H01T 19/04 (2006.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
T
SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
13
Sparking plugs
20
characterised by features of the electrodes or insulation
39
Selection of materials for electrodes
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
T
SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
13
Sparking plugs
50
having means for ionisation of gap
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
T
SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
19
Devices providing for corona discharge
04
having pointed electrodes
Applicants:
FEDERAL - MOGUL LLC [US/US]; 27300 West Eleven Mile Road Southfield, MI 48034, US
Inventors:
MIXELL, Kristapher, I.; US
LYKOWSKI, James, D.; US
NEEMUCHWALA, Yusuf, Esmail; US
Agent:
STEARNS, Robert, L.; US
JONES, Richard, A.; US
ARTZ, John, S.; US
ARTZ, John, A.; US
HONAKER, William, H.; US
Priority Data:
16/113,17727.08.2018US
62/550,97028.08.2017US
Title (EN) CORONA IGNITER FIRING END ELECTRODE TIP WITH DUAL METAL RIVETS AND METHOD OF MANUFACTURE
(FR) POINTE D'ÉLECTRODE D'EXTRÉMITÉ D'ALLUMEUR À EFFET CORONA À DOUBLE RIVET MÉTALLIQUE ET PROCÉDÉ DE FABRICATION
Abstract:
(EN) A firing tip for a corona igniter is provided. The firing tip includes a base formed of metal, such as nickel, and rivets formed of precious metal, such as iridium. The base includes indentations, and the rivets are disposed in the indentations of the base. The rivet has a melting point and/or wear resistance greater than the base. Typically, the indentations of the base include a concave surface and the rivets have a cylindrical shape matching the shape of the indentations. The rivets can be sharpened to a point. The rivets can include a first piece formed of precious metal and a second piece formed of nickel or nickel alloy, wherein an end of the first piece is welded to an end of the second piece, and the second piece is welded to the base. Alternatively, the rivets can be formed entirely of the precious metal.
(FR) L'invention concerne une pointe d'allumage pour un allumeur à effet corona. La pointe d'allumage comprend une base formée de métal, tel que du nickel, et des rivets formés de métal précieux, tel que l'iridium. La base comprend des indentations, et les rivets sont disposés dans les indentations de la base. Le rivet a un point de fusion et/ou une résistance à l'usure supérieur à celui de la base. Typiquement, les indentations de la base comprennent une surface concave et les rivets ont une forme cylindrique correspondant à la forme des indentations. Les rivets peuvent être taillés en pointe. Les rivets peuvent comprendre une première pièce formée d'un métal précieux et une seconde pièce formée de nickel ou d'alliage de nickel, une extrémité de la première pièce étant soudée à une extrémité de la seconde pièce, et la seconde pièce étant soudée à la base. En variante, les rivets peuvent être entièrement formés du métal précieux.
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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, JO, 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)