Marine engine with reciprocating force balancer

An engine for use in a marine propulsion system for use on a boat having a force balancer mechanism for off-setting the shaking force created by the reciprocating pistons. In a two-cylinder, four-stroke marine engine, a pair of reciprocating pistons move in unison within respective cylinders. The fo...

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Bibliographische Detailangaben
Hauptverfasser:	KOLLOCK, MARK A
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING SHOCK-ABSORBERS SPRINGS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	An engine for use in a marine propulsion system for use on a boat having a force balancer mechanism for off-setting the shaking force created by the reciprocating pistons. In a two-cylinder, four-stroke marine engine, a pair of reciprocating pistons move in unison within respective cylinders. The force balancer mechanism is mounted to the rotating crankshaft such that rotation of the crankshaft results in reciprocating movement of the balance weight in a direction opposite the pair of pistons. The balance weight of the force balancer mechanism is contained within a balance weight housing formed in the engine block. The weight of the balance weight and the distance of the balance weight from the axis of rotation of the crankshaft are selected to optimally reduce the amount of shaking force in the engine.