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1. (WO2017202777) CONNECTING ROD FOR AN INTERNAL COMBUSTION ENGINE WITH ADJUSTABLE COMPRESSION RATIO
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Pub. No.: WO/2017/202777 International Application No.: PCT/EP2017/062284
Publication Date: 30.11.2017 International Filing Date: 22.05.2017
IPC:
F02B 75/04 (2006.01) ,F16C 7/06 (2006.01) ,F16C 9/02 (2006.01) ,F16C 9/04 (2006.01) ,F16C 23/04 (2006.01) ,F16C 33/10 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
B
INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
75
Other engines, e.g. single-cylinder engines
04
Engines with variable distances between pistons at top dead-centre positions and cylinder heads
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
C
SHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
7
Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
06
Adjustable connecting-rods
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
C
SHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
9
Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
02
Crankshaft bearings
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
C
SHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
9
Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
04
Connecting-rod bearings; Attachment thereof
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
C
SHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
23
Bearings for exclusively rotary movement adjustable for aligning or positioning
02
Sliding-contact bearings
04
self-adjusting
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
C
SHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
33
Parts of bearings; Special methods for making bearings or parts thereof
02
Parts of sliding-contact bearings
04
Brasses; Bushes; Linings
06
Sliding surface mainly made of metal
10
Construction relative to lubrication
Applicants:
THYSSENKRUPP METALÚRGICA CAMPO LIMPO LTDA. [BR/BR]; Av Alfried Krupp 1050 13231-900 Campo Limpo Paulista SP, BR
THYSSENKRUPP AG [DE/DE]; ThyssenKrupp Allee 1 45143 Essen, DE
Inventors:
BECKER, Alexander; BR
Agent:
THYSSENKRUPP INTELLECTUAL PROPERTY GMBH; ThyssenKrupp Allee 1 45143 Essen, DE
Priority Data:
16171431.625.05.2016EP
Title (EN) CONNECTING ROD FOR AN INTERNAL COMBUSTION ENGINE WITH ADJUSTABLE COMPRESSION RATIO
(FR) BIELLE POUR MOTEUR À COMBUSTION INTERNE À TAUX DE COMPRESSION RÉGLABLE
Abstract:
(EN) The present invention refers to a connecting rod for an internal combustion engine with an adjustable compression ratio comprising a crank pin bearing eye for connecting the connecting rod to a crank shaft of the internal combustion engine, a connecting rod bearing eye for connecting said connecting rod to a cylinder piston of said internal combustion engine and an eccentrical element adjustment device for adjusting an effective connecting rod length, wherein said eccentrical element adjustment device comprises an eccentrical element including a bore hole for receiving a piston pin, an eccentrical element lever and eccentrical element rods engaging the eccentrical element lever, wherein said eccentrical element rods are actuated with a force generated by hydraulic pressure in hydraulic cavities, wherein the crank pin bearing eye comprises a first bearing surface designed to contact a second load bearing surface of said crank shaft in a load-bearing area that bears the forces acting between the crank pin bearing eye and the crank shaft when the internal combustion engine is operated, wherein the first bearing surface of the crank pin bearing eye has a convex profile.
(FR) La présente invention concerne une bielle pour un moteur à combustion interne à taux de compression réglable comprenant un œillet de palier de maneton pour raccorder la bielle à un vilebrequin du moteur à combustion interne, un œillet de support de bielle pour raccorder ladite bielle à un piston de cylindre dudit moteur à combustion interne et un dispositif de réglage d'élément excentrique pour régler une longueur de bielle effective, ledit dispositif de réglage d'élément excentrique comprenant un élément excentrique comportant un trou de forage destiné à recevoir un axe de piston, un levier à éléments excentriques et des tiges à éléments excentriques mettant en prise le levier à éléments excentriques, lesdites tiges à éléments excentriques étant actionnées par une force générée par la pression hydraulique dans les cavités hydrauliques, l’œillet de palier de maneton comportant une première surface d'appui destinée à venir en contact avec une seconde surface d'appui dudit arbre de manivelle dans une zone porteuse qui porte les forces agissant entre l’œillet de palier de maneton et l'arbre de manivelle lorsque le moteur à combustion interne est actionné, la première surface d'appui de l’œillet de palier de maneton présentant un profil convexe.
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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)