Crank mechanism of an internal combustion engine of V-design

The invention relates to a crank mechanism for an internal combustion engine of V-design with a crankshaft which per throw has two crank pins which are arranged offset with respect to each other and are connected to each other via an intermediate web. In order to be able to ensure maximum strength i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WERNER,JOHANNES, KERSCHBAUM,WALTER
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BEARINGS BLASTING CHEMISTRY COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a crank mechanism for an internal combustion engine of V-design with a crankshaft which per throw has two crank pins which are arranged offset with respect to each other and are connected to each other via an intermediate web. In order to be able to ensure maximum strength in the critical transition regions with, at the same time, maximum load-carrying capacity of the con-rod bearings, it is proposed to design the transition radii at the crank-web transitions larger than the transition radii at the intermediate-web transitions and to harden the transition radii inductively at the circumference in such a manner that the hardening depth at the crank-web transitions is larger than the hardening depth at the intermediate-web transitions.