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1. (WO2015117208) A SECOND PISTON-RING AND AN AUTOMOTIVE PISTON
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2015/117208 International Application No.: PCT/BR2014/000036
Publication Date: 13.08.2015 International Filing Date: 07.02.2014
Chapter 2 Demand Filed: 07.12.2015
IPC:
C22C 38/02 (2006.01) ,C22C 38/04 (2006.01) ,C22C 38/18 (2006.01) ,C22C 38/20 (2006.01) ,C22C 38/34 (2006.01) ,F16J 9/26 (2006.01) ,F02F 5/00 (2006.01) ,C23C 8/26 (2006.01) ,C23C 8/50 (2006.01)
Applicants: MAHLE METAL LEVE S/A[BR/BR]; Rodavia Anhanguera, sentido interior Capital, Km 48,2 CEP-13214-790 Jundiaí - SP, BR
MAHLE INTERNATIONAL GMBH[DE/DE]; Pragstr. 26-46 70376 Stuttgart, DE
Inventors: ABLAS MARQUES, Gisela; BR
Agent: DANNEMANN, SIEMSEN, BIGLER & IPANEMA MOREIRA; Caixa Postal 2142 Rua Marquês de Olinda, 70 CEP-22251-040 Rio de Janeiro - RJ, BR
Priority Data:
Title (EN) A SECOND PISTON-RING AND AN AUTOMOTIVE PISTON
(FR) SECOND SEGMENT DE PISTON ET PISTON AUTOMOBILE
(PT) SECOND PISTON RING AND AUTOMOTIVE PISTON
Abstract:
(EN) The present invention relates to a nitrided second piston ring (2), which, prior to the surface nitriding hardening step, it exhibits a chemical composition comprising between 0.51% and 0.59% carbon; between 1.20 and 1.60% silicon; and between 0.60 and 0.80% chrome. The present invention also discloses a piston (4) provided with a nitrided second piston rin 2 as mentioned above.
(FR) . La présente invention concerne un second segment de piston (2) nitruré qui, préalablement à l'étape de durcissement superficiel par nitruration, présentant une composition chimique comprenant : entre 0,51 et 0,59% de carbone, entre 1,20 et 1,60% de silicium, et entre 0,60 et 0,80% de chrome. La présente invention concerne également un piston (4) doté d'un second segment de piston (2) nitruré, tel que mentionné ci-dessus.
(PT) . A presente invenção refere-se um segundo anel de pistão (2) nitretado, que previamente à etapa de endurecimento superficial por nitretação, revela uma composição química que compreende: Entre 0,51 e 0,59% de Carbono; Entre 1,20 e 1,60% de Silício; e Entre 0,60 e 0,80% de Cromo. A presente invenção também revela um pistão (4) dotado de um segundo anel de pistão (2) nitretado, tal como mencionado acima.
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, 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, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, 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, 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: Portuguese (PT)
Filing Language: Portuguese (PT)