i want to present a seminar on caless engines.
therefore i need a very good seminar report on camles engines. ....etc

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i want some ppt on camless engines which should consists of min of 25 slides ....etc

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PRESENTED BY:
SHIJIL . P . K


ELECTRO HYDRAULIC CAMLESS ENGINE
WORKING OF CAM ENGINES
Crank shaft turn the cam shaft
Cam lobe pushes down the pushrod and it opens the valve
Return motion is carried out due to spring action on push rod
This results in closing of the valve
(Animation)
Back
WHY camless engines ?
Infinitely variable valve timing.
More torque is made available throughout the rev-range.
Increases durability and engine life .
Valve train weight which limits the rotational speed ....etc

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sir me karthikianand persuing my b.tech 3 er had a dilemma of choosing a nice topic on my project as well as my ppt.so please help me in giving me ur help of CAMLESS ENGINES ....... India ....etc

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Project on CAMLESS ENGINES


Introduction

CAMS
Control the breathing channels (valves) of an IC engine
Connected to camshaft which is operated by crankshaft
Cams push open valves at proper time & guide their closure
But they are inflexible except VTEC & VVT-I
Engineers could not vary timing, lift & duration of valve opening infinitely.

Working of conventional engines

The crankshaft turns camshaft which operates valves by mechanism as in figure
Spring brings back valve to initial posi ....etc

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CAMLESS ENGINES A NEW APPROACH IN I.C.ENGINES
internal combustion comprise the valve train hardware . In the camless valvetrain, the valve motion is controlled directly by a valve actuator there's no camshaft or connecting mechanisms. Various studies have shown that a camless valve train can eliminate many otherwise necessary engine design trade-offs.Automotive engines equipped with camless valvetrains of the electrohydraulic and electro-mechanical type have been studied for over twenty years, but produc ....etc

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Abstract
Homogeneous charge compression ignition (HCCI) is a form of internal combustion in which well-mixed fuel and oxidizer (typically air) are compressed to the point of auto-ignition. Homogeneous charge compression ignition (HCCI) engines have
the potential for high efficiencies and low pollutant emissions.By comparison with spark ignition (SI) engines, for example,HCCI engines can yield a 15-20% increase in fuel economy while emitting lower levels of oxides of nitrogen (NOx).HCCI engines can also achieve thermal eff ....etc

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ME Engines “ the New Generation of Diesel Engines

INTRODUCTION

The introduction of the electronically controlled camshaft-less low speed diesel engines, which is now gaining momentum, is a milestone in diesel technology that deserves a place in history like Rudolf Dieselâ„¢s first engine in Augsburg, the 1912 motor vessel Selandia, the introduction of turbocharging on two-stroke diesels in 1954, and the first SCR (Selective Catalytic NOx Reduction) systems on ships in 1989. This paper will outline how MA ....etc

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hi want to know about how camless engines work? ....etc

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