AUTO MOTIVE ENGINE MOUNTING SYSTEMS

SEMINAR ON ACTIVE ENGINE MOUNTING SYSTEM

Engine is the most important part of an automobile. Engine develops the power for auto mobile propulsion. Inertia of the moving parts and pressure forces developed inside the engine causes vibration of the engine. Damping of these vibrations is very important to prevent damage to the engine. Mounting systems must effectively dissipate these vibrations. 

         

 The vehicle engine mounting system, generally, consists of an engine (vibration source) and several mounts connected to the vehicle structure. The modern engine mounting systems have been successfully used to isolate the driver and passenger from both noise and vibration generated by the engine The ideal engine mount should isolate engine vibration caused by engine disturbance force in engine speed range and prevent engine bounce from shock excitation. This implies that dynamic stiffness and damping of the engine mount should be frequency and amplitude dependent. 

Therefore the development of engine mounting system has mostly concentrated on improvement of frequency and amplitude dependent properties. Various engine mounting systems broadly used in automobiles can be classified into Elastomeric, Hydraulic, Semi-active and Active hydraulic mounts. In this paper a study of the engine mountings systems has been done.

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