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Will hydrogen prove the power broker? |
01/11/2011
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| Mercedes-Benz F125! concept revealed a novel storage solution for hydrogen. Andrew English discovers if this fuel still has a future as an alternative power solution |
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Saving weight saves fuel |
01/11/2011
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| Removing mass from engine components yields gains in fuel efficiency across the power range |
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Towards a lightweight future |
01/11/2011
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| Aluminium is stepping out of the shadows of steel to become the material of choice for vehicle makers as they strive to make their products lighter, more efficient and more environmentally friendly. By Daniel Jubera, Novelis director sales and marketing automotive Europe |
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An open and shut case |
01/09/2008
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| Camless valvetrains offer numerous benefits, says Andrew Noakes, but their drawbacks are proving difficult to overcome |
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The common touch |
01/08/2008
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| Common rail technology has brought greater efficiency and refinement to millions of small diesel engines over the past 10 years – and there is more to come, says Andrew Noakes |
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The MUSIC makers |
01/03/2008
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| Roger Bishop reports on a gasoline engine with a combustion process that has the potential to compete with diesels on fuel economy but will have dramatically reduced HC and NOx emissions in urban driving |
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Cat ceramic has ultra-thin walls |
01/01/2008
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| Corning has developed a ceramic substrate for catalytic converters with ultra thin walls that it says will increase engine power and reduce fuel consumption by lowering exhaust system back pressure. |
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PA46 targets underbonnet applications |
01/11/2007
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| A high performance grade of PA46 has been formulated especially for under-the-bonnet applications. Stanyl Diablo OCD2100 is said to extend the functional life of components well beyond the limits of other high temperature polyamides. |
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Polyamide water hoses now more flexible |
01/10/2007
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| Polyamide 12 multilayer tubing systems (MLTs) for coolant lines are now even more flexible, thanks to a modification carried out at the molecular level by scientists at Degussa. No plasticiser has been added. |
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Laser remelting strengthens pistons |
01/10/2007
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| Diesel engine design has taken a further step forward with a new generation of aluminium-based piston materials combined with a laser technology for configuring the piston bowl lip, accoring to Kolbenschmidt Pierburg. |
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Roller bearings shave fuel consumption |
01/10/2007
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| Small contributions to fuel savings are becoming increasingly attractive to OEMs as they endeavour to keep Europe’s environmental lobby happy, writes Roger Bishop. |
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Show and tell |
01/09/2007
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| Europe’s biggest car show takes place in Frankfurt from 13 to 23 September. We look beyond the gloss of the show cars and concepts to preview some of the technologies that will be on display |
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EGR valve has novel drive |
01/09/2007
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| A new design of diesel EGR valve has a motor actuator combined with a drive system, said to be unique, that provides fast response, resistance to exhaust contaminations and packaging flexibility all within a smaller envelope. |
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Gas injection used on PA66 water pipes |
01/09/2007
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| Cooling-water pipes are exposed to high temperatures and aggressive environment. At the same time they have to provide long-term leak resistance despite internal pressures of almost 2 bar. Consequently they have been traditionally manufactured from metal. |
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Small diesel on target for Euro 5 |
01/09/2007
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| Magneti Marelli’s exhaust systems’ business line has been committed to supplying Euro 5 emissions treatment systems for Fiat’s 1.3 small diesel engine. |
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Fuel feed module integrates pressure regulator |
01/09/2007
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| The latest version of the Vista fuel feed module, now being factory fitted to the BMW Mini, has taken a further step down the integration path. As well as the fuel pump, filter, and gauge, it now features as standard a pressure regulator. |
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Teflon inner hose counters RME |
01/04/2007
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| The trend towards alternative fuels is challenging automotive fuel-line designers. Some diesel fuels already have a 5% rape seed methyl ester (RME) content that is more aggressive than mineral diesel and known to attack plastic fuel lines. |
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Spark plug advances match combustion developments |
01/04/2007
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| It is easy to forget that how advanced combustion processes are affecting downstream suppliers of engine components and systems, writes Roger Bishop.
Valve drives based on cam phasers or valve lift control as well as direct injection systems with wall or air guided combustion are now state of the
... Read more |
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BMW’s CSF is light, fast and cheaper |
01/04/2007
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| The exhaust treatment system for the new BMW X5 3.0d combines a metallic catalytic converter and silicon carbide diesel particulate filter within a single housing and is a standard fit, writes Roger Bishop. |
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Combined technologies improve turbulent flow |
01/04/2007
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| Improving the turbulent flow of gases through a catalytic converter is the key to ensuring that as much of the volume of the system as possible is used, writes Roger Bishop |
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Common purpose |
01/03/2007
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| Roger Bishop investigates the research and development directions being taken by two leaders in exhaust gas treatments and finds they have much in common |
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Regulator accuracy achieves ±1% |
01/03/2007
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| Third generation Bosch current regulators are said to have twice as much control accuracy as their predecessors. The first of this generation is the CG208, a fully integrated dual channel current regulator which maintains output current reference value at ±1%, even under full load. |
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Control valve is key to twin turbo |
01/03/2007
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| The parallel sequential dual-stage turbocharger developed by Honeywell for the new Peugeot 407, 607 and Citroën C5 and C6 diesel engines has at its heart a patented progressive control valve, writes Roger Bishop. |
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Head-integrated exhaust manifold proves its point |
01/03/2007
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| An advanced cylinder head with integrated exhaust manifold (IEM) has been revealed by UK car technology group Lotus Engineering, writes Roger Bishop. Designed for a three-cylinder engine, this latest IEM concept from the company is aimed at reducing emissions, weight and manufacturing costs on
... Read more |
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