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Viewing 2401 to 2421 of 2421
2008-03-31
Article
Sensor Developments’ high-performance, noncontact sensors use IR telemetry to measure rotational torque in dynamometer systems.
2008-03-31
Article
BorgWarner’s eddy current speed sensor features more compact dimensions and a longer lifetime for turbochargers.
2008-03-31
Article
ETAS’ ES4440 compact failure simulation module is used to insert electrical faults in the wire harness of a powertrain electronic control unit to verify the software and hardware passes diagnostics tests, like OBDII.
2008-03-31
Article
Robert Bosch GmbH and Mahle GmbH have agreed to set up a 50/50 joint venture to develop, manufacture, and market exhaust-gas turbochargers. Set to begin in April 2008 pending antitrust approval, Bosch Mahle Turbo Systems will be headquartered in Stuttgart to develop and manufacture turbochargers for gasoline and diesel engines.
2008-03-31
Article
ContiTech Power Transmission Group features an expanded line of complete belt kits: the multiple V-ribbed belt kits with torsional vibration dampers (TVD) and torsional vibration damper isolators (TVDi). The task of the TVD is to absorb vibrations from the crankshaft.
2008-03-31
Article
The HybriDyne series of hybrid-vehicle driveline test systems from Sakor Technologies is designed for calibrating the performance, efficiency, and durability of all aspects of hybrid-drivetrain systems, including electrical assist, diesel electric, and even fully electric vehicle systems.
2008-03-31
Article
In response to more stringent emissions requirements and increases in power and torque, BorgWarner Turbo & Emissions Systems has developed a regulated two-stage turbocharger, dubbed the R2S, for the North American diesel pickup truck market.
2008-03-31
Article
The FM25040A-GA from Ramtron International is a 4 Kb, 5-V nonvolatile ferroelectric random access memory (F-RAM) with a high-speed serial peripheral interface.
2008-03-31
Article
Modern automotive subsystems depend on an integrated mix of electrical, mechanical, hydraulic, and software technologies. To help account for this mix of technologies, General Motors Powertrain, with some help from Synopsys, pioneered a Signal Delivery Subsystem development process to design electronic controls and analyze technology interactions.
2008-03-31
Article
The planet wheels in Voith Turbo’s new DIWA.5 automatic gearboxes rotate against DuPont Vespel thrust washers separating them from the planet-wheel carrier. Developed for public transit buses by Voith Turbo, of Heidenheim, Germany, the thrust washers made of DuPont Vespel SP21 polyimide provide a low-abrasion function while working in an environment with high relative rotating speeds of more than 20,000 rpm between the components.
2008-03-31
Article
Kolbenschmidt Pierburg, a supplier of engine components and systems, is pumping up its pump business, focusing on high-growth world markets, and getting the lead out of some of its products to meet upcoming European and U.S. lead-free mandates.
2008-03-31
Article
A muffler operates in a high-temperature environment bathed in water and acids, which underscores why passenger vehicles are fitted with metal—not plastic—exhaust systems. By the end of the decade, though, vehicles could be adorned with a plastic exhaust system.
2008-03-31
Article
When compared to its two-wheel-drive gasoline-only siblings, two General Motors hybrid sport utility vehicles notch 50% better fuel economy in city driving and an up-to-30% fuel economy up-tick in combined city/highway driving. Among the fuel-smart facilitators is a regenerative braking system.
2008-03-31
Article
A new collaborative program led by Prodrive and partially funded by the U.K.’s Technology Strategy Board has been launched in the U.K. to develop a dc-dc converter aimed at being more efficient, smaller, and more economical than others on the market. The converter would also enable regenerative braking to become more effective.
2008-03-31
Article
Valeo and Maxwell Technologies are slated to collaborate on the development of a new stop-start and regenerative-braking system with the emphasis on cost effectiveness. The aim is to create a system using ultracapacitors instead of nickel metal-hydride or lithium-ion batteries, achieving very significant cost savings but still achieving much of the benefit of a conventional mild hybrid application.
2008-03-31
Article
Audi’s new A4 represents a looks-to-legroom redesign that packages some interesting technology—but the launch models only give a hint of things to come. Next year, Audi will introduce the hybrid version of the Q7 into series production, and the company is set to expand its hybrid option into other model ranges, including the A4 and, eventually, the A1.
2008-03-31
Article
Using quartz and sapphire components, high-powered lasers, and scientific cameras researchers are able to see inside an operating engine, and that vision is proving to be a valuable aid for finding ways to reduce diesel emissions.
2008-03-31
Article
Transmission manufacturer Getrag has unveiled a new concept in hybrid drivetrains—a dry dual-clutch transmission linked to an electric rear axle—the first of a range of parallel hybrid systems to be developed jointly with Robert Bosch. The systems will feature Getrag PowerShift dual-clutch transmissions and Bosch electrical architecture for the alternator, electric drive system, and power electronics.
2008-03-31
Article
The bombardier beetle’s ability to spray a stinging 100°C (212°F) cocktail from its internal “combustion chamber” over a distance 10 times its own length was the inspiration for a team from Leeds University working to improve automotive fuel injectors using mist technology.
2008-03-31
Article
Valeo claims its electromagnetic valvetrain can help to reduce carbon dioxide emissions by 15 to 20% and also deliver up to 15% more torque at low engine speeds by enabling technologies such as cylinder deactivation and infinitely variable valve timing.
2008-03-31
Article
Gasoline direct injection technology offers the potential to satisfy horsepower cravings or improve fuel economy, particularly when coupled with engine downsizing, turbo boosting, or even alternative fuels.
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