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Tribology within Turbochargers There are numerous tribological interfaces, commonly termed tribosystems, within a turbocharger. Some of these, such as the rotor bearing system, are lubricated and operate at temperatures less than 200 °C. The variable geometry and wastegate systems are examples of high temperature tribological interfaces within a turbocharger which are subject to temperatures be
Novel Solutions for Materials Engineering Increased demands are being placed upon turbochargers as a result of ever more stringent emissions regulations, a necessity for improved product performance and reliability and a requirement for a wider product operating range. Consequently, a greater level of stress is placed upon the materials from which turbochargers are manufactured. In order to achie
Mike Pritchard knows first-hand the value of vocational education. Growing up in a working-class neighborhood in London's East End, he entered a technical education and apprenticeship program at 16, figuring he'd follow in the footsteps of his father and uncle who worked at an automobile factory in Essex. Today, Pritchard is the Director General at the Cummins Filtration Plant in San Luis Potos
When Tina Vujovich was asked to sponsor Cummins' first Women's Affinity Group in 2001, she wasn't quite sure what to expect. "I found several women who were dedicated to helping one another," said Vujovich, retired Vice President of Marketing and Environmental Policy at the Company. "We put together a team that instinctively set about surveying the broad population of women at Cummins to lea
A chance meeting at a promotional event has led to a partnership between Cummins and professional storm chaser Sean Casey. Cummins took Casey's Tornado Intercept Vehicle (TIV) 2 in for repairs in April, helping to get his engine back to factory specifications in addition to cleaning up some wiring, the turbocharger and more (see Casey talking about the TIV2). "In the field, we don't have the
The news is good from Padarwadi, but there have been some difficult times, too. It's been more than two years since the tiny village in India, accessible only by foot, received a generator converted by engineers at Cummins India to run on oil from a local seed. The generator powered a small mill to husk the rice that village residents grew so they didn't have to make hundreds of trips to the
Since January 2011, the Cummins Darlington (U.K.) Engine Plant hasn't sent any waste to a landfill. That's nothing in more than 16 months. Zero. Nada. And on top of that, the plant has reduced associated annual operating costs by $159,000. Darlington achieved its "zero landfill" status by making waste reduction a plant priority, and then using processes, tools and resources - most notab
A diverse and inclusive work environment helps all employees work more effectively and efficiently, both with their local teams and with colleagues around the world. This ability to work locally and globally allows Cummins to focus on leveraging the full power of the Company for its customers no matter where they are located. One way Cummins works to create the right environment for success is
Mark Levett, Cummins Vice President and General Manager - High Horsepower Business, talks about the QSK95 engine at its unveiling in Seymour, Ind. It's hard to imagine something eight feet tall, 14 feet long and capable of producing 4,000 horsepower could ever be considered "green." But Cummins' new 16 cylinder QSK95 engine, the largest high-speed diesel engine the Company has ever built, ha
Combine the talents of a self-described "eco-child" with a cost conscious facilities leader and an engaged and committed group of employees and you get Cummins Turbo Technologies (CTT) in Huddersfield, U.K., one of the Company's leading facilities for energy conservation and other green practices. Jennifer Hirst, an Energy Engineer at CTT Huddersfield, and Richard Keane, CTT's Facilities Manage
The future of trucking could well be unfolding this fall along U.S. Route 287 in north central Texas. After months of testing concepts in trucks around the country, Cummins engineers and their colleagues in a public-private partnership will pull together the best of what they've learned and apply it to a single tractor-trailer. With an aerodynamic exterior, an engine that captures waste