Multi valve technology

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The presentation includes the information about multi valve engine technology. The presentation include the types of multi valve engine with pictures, advantages and disadvantages.

The document summarizes the key components and working of a vacuum brake system used in trains. It describes the driver's brake valve, exhauster, dummy couplings, brake cylinders, vacuum reservoirs, brake pipes and other parts. It explains how applying the brakes causes a loss of vacuum in the brake pipe, pushing the piston up and engaging the brake blocks, while releasing the brakes restores vacuum. The vacuum brake allows partial braking and is fail-safe but is less effective than modern air brakes.

A Seminar Report On Six Stroke EngineSaurabh Chaudhari

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This document summarizes a seminar presentation on a six-stroke engine. It describes how a six-stroke engine works, providing six piston movements per cycle through the use of a second piston or by capturing waste heat for an additional power stroke. The document outlines the history of six-stroke engine development and describes several notable six-stroke engine designs, including those that use steam or air from waste heat for a second power stroke and those that use an opposed secondary piston. It also discusses modifications made to convert a four-stroke engine to a six-stroke design.

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CRDI ENGINE HOME

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CRDI stands for common rail direct injection and directly injects fuel into engine cylinders via a single common rail connected to all fuel injectors. It was introduced to remove drawbacks of earlier fuel systems and allows even petrol engines to run with very lean fuel mixtures. The key components are a high pressure fuel pump, common rail, injectors, and engine control unit. CRDI provides benefits like 25% more power and torque, superior pickup, reduced noise and vibrations, and lower fuel consumption. While it has higher initial costs and maintenance than older systems, CRDI lowers emissions and improves engine performance.

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This document provides an overview of six-stroke engine designs that aim to improve efficiency over traditional four-stroke engines. It describes the working principles of various six-stroke engine types, including single piston designs by Griffin, Bajulaz, Crower, and Velozeta as well as opposed piston designs like the Beare head engine. The document also discusses the modifications needed to convert a conventional engine to a six-stroke design and analyzes the advantages of six-stroke engines like reduced fuel consumption and emissions.

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This document discusses the technology of frictionless compressors which use magnetic bearings and permanent magnet synchronous motors instead of traditional roller or hydrodynamic bearings. Some key advantages of frictionless compressors are that they have no friction, can run at high speeds up to 48,000 RPM with good speed control, are smaller and lighter than conventional compressors due to using permanent magnets instead of windings, and have reduced maintenance needs due to being oil-free. However, their initial price is 50-70% higher than normal compressors. Overall, frictionless compressors provide economic, energy, and environmental benefits after 10 years of development.

Six Stroke Engine PPTSaurabh Chaudhari

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The document describes a six-stroke engine, which has two additional strokes compared to a four-stroke engine. The additional strokes allow for water injection after the exhaust stroke, which vaporizes and drives the piston for another power stroke. This provides increased efficiency of 40% over a four-stroke engine due to capturing wasted heat. The document outlines the working principle, modifications needed to the engine like materials and cam shaft design, advantages like reduced emissions and fuel consumption, and limitations such as starting problems.

Multi point fuel injectionRAVI KUMAR

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The document discusses multi-point fuel injection (MPFI) systems. It describes the components of an MPFI system, including the air intake system, pressure regulator system, control system, fuel pump control system, and functional divisions. An MPFI system injects fuel into individual cylinders based on commands from the engine control module. This provides faster throttle response and higher output under varying driving conditions compared to carburetor systems. The MPFI system can be divided into three main components: the electronic control unit, fuel system, and air induction system.

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The document summarizes an automotive fuel system report created by engineering students at Somali National University. It provides background on fuel systems and their importance, a brief history of their development, classifications of fuels, descriptions of key fuel system components like the fuel tank, lines, filters, pumps, and carburetor or injectors, as well as an overview of fuel additives and common types used.

Six stroke engine(presentation)Prateekvin

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This document describes the working principles and design of a six-stroke engine that uses water injection to improve efficiency. The six-stroke engine adds two additional strokes to the conventional four-stroke cycle to capture heat from the combustion process. In the secondary power stroke, water is injected into the superheated cylinder where it vaporizes, expanding and producing additional power. Thermodynamic analysis shows the six-stroke engine has higher thermal efficiency and lower fuel consumption compared to a four-stroke. However, modifications are needed to the engine components, camshaft, and valves to accommodate the additional strokes. While more efficient, the six-stroke engine also faces drawbacks such as difficulty starting when cold and requiring a source of neutral water.

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Six stroke engine Sivanjaneya Reddy

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The six-stroke engine was developed to improve fuel efficiency and reduce emissions compared to conventional four-stroke engines. It operates with two additional strokes: in one, water is injected into the hot cylinder and turns to steam, forcing the piston down. In the other, the steam is exhausted up. This captures wasted heat to improve efficiency. Issues include potential engine damage from thermal expansion and needing separate water tanks. However, benefits are 40-60% reduced fuel use and lower emissions than four-stroke engines.

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A turbocharger increases an engine's efficiency and power output by forcing extra air into the combustion chamber using a turbine powered by the engine's exhaust gases. It was invented in 1905 but took 20 years to be implemented. Turbochargers are used widely in vehicles to allow smaller engines to have improved fuel economy, reduced emissions, and higher power/torque. A turbocharger works by using the exhaust flow to spin a turbine, which spins an air pump to compress more air into the engine.

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This slide is about the type of hybrid vehicle available in the market along with the case study of some hybrid cars. It is prepared from the study paper - presented at the SAE Research Paper competition, School of Technology, Pandit Deendayal Petroleum University. The Research Paper on the above topic which is renamed as "Hybrid Vehicle: A Study on Technology" is published at http://www.ijert.org/view.php?id=12126&title=hybrid-vehicle-a-study-on-technology.

Cryocar(1)New Horizon Collage of Engineering

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This document summarizes a proposed vehicle called the Cryocar that is powered by liquid nitrogen. The Cryocar works similarly to a steam engine by pressurizing and vaporizing liquid nitrogen using ambient heat, which expands to drive the vehicle. It has zero emissions and refueling takes only a few minutes. However, issues around safety from nitrogen leaks and the energy required to liquefy nitrogen have prevented commercialization. The document outlines the components, working principle, advantages over electric vehicles, drawbacks, and potential solutions of the Cryocar concept.

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This document provides an overview of common rail direct injection (CRDI) technology for diesel engines. It discusses the history and development of CRDI, the operating principle, key components like the high-pressure pump and fuel rail, and how it works. CRDI allows for more precise fuel injection compared to older direct injection systems, improving power, efficiency and reducing emissions. It sees widespread use in modern passenger vehicles from many automakers. The document also covers the differences between direct and indirect injection, advantages and disadvantages of CRDI, and common applications.

My six stroke enginepruthvi K

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This document discusses six-stroke engines as a more efficient alternative to four-stroke engines. It describes two main types of six-stroke engine designs: single piston and opposed piston. Several single piston engine examples are provided, including the Griffin engine which uses a heated vaporizer to improve fuel efficiency. The Bajulaz engine is also described, which uses two additional chambers above each cylinder for combustion and air preheating. Benefits over four-stroke engines include increased power and torque, lower emissions, and simpler design. However, six-stroke engines also have increased complexity and cost compared to four-stroke engines. The document suggests they may be best suited for applications like racing vehicles, heavy machinery, and stationary engines.

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The document discusses the six-stroke engine, which adds an additional power stroke compared to traditional four-stroke engines. It provides a brief history, describing how the concept was introduced in 1883 but the design did not fit automobiles until more recent inventions like the Bajulaz engine in 1989. The key features of six-stroke engines are described as increased efficiency, torque, and reduction in fuel consumption and pollution compared to four-stroke engines. Examples of different six-stroke engine types and designs are provided, along with their advantages and potential applications, particularly for automobiles where it could significantly reduce fuel use and emissions.

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