Low-noise-level internal combustion engines

In an internal combustion engine with an engine unit support (1) comprising parts directly affected by body resonance as, e.g., cylinder block (2), cylinderhead (3), crankshaft (7) and crankshaft bearings (6), the engine unit support is connected to the crankcase (8) by means of several vibration ab...

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Bibliographische Detailangaben
Hauptverfasser:	SKATSCHE, OTHMAR, FEICHTINGER, GERHARD
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	In an internal combustion engine with an engine unit support (1) comprising parts directly affected by body resonance as, e.g., cylinder block (2), cylinderhead (3), crankshaft (7) and crankshaft bearings (6), the engine unit support is connected to the crankcase (8) by means of several vibration absorbing and power transmitting elements (29) whereby the crankcase is insulated against body resonance. A sealing element (40; 44) is arranged between the engine unit support (1) for the crankcase (8) and sealing a lower oil-wetted part (15) of the engine oil-tightly against an upper dry part. The vibration absorbing elements (29) are mounted on the one side at the walls (25, 26) of the crankcase (8) and on the other side at the main bearing walls (20, 21) of the engine unit support in the region of the crankshaft axis (22). Thereby, undesireable great deflections of the engine unit support in the region of the crankshaft axis can be avoided and the stressing of the elastic coupling between the flywheel and the gear unit or the elastic sealing elements, respectively, is considerably decreased.