In 1998, Holset VGTTM, a pioneer in Variable Geometry (VG), from Cummins Turbo Technologies, was developed for the commercial automobile industry. The Holset VGT has a large flow range, which enhances the pressure using a unique sliding nozzle ring, at lower engine speeds. VG technology provides the most efficient way to reduce NOx levels via short-haul gas recirculation (EGR).
The Holset VGT is unusual because the vanes axially move and so have less wearing and less moving components. This enhances the strength and dependability of this technology, which is critical for commercial diesel applications today. The world-class research and development of Cummins Turbo Technologies continue to expand on the successful current Holset VGT by increasing total operating costs and fuel economy.
Geometry fixed
The company’s origins are fixed geometry, turbochargers that drive all the gas from the exhaust into the turbine to increase the power of the engine. Cummins Turbo Technologies has more than 60 years of experience in fulfilling the customer’s power demands and has shown its competence and manufactures some of the world’s most optimized, efficient, and reliable turbochargers today.
While the idea of Fixed Geometry has been unaltered for several years, the performance and dependability of Cummins Turbo Technologies have gradually increased, employing the same world-class engineering as in Cummins. Holset fixed shape turbochargers are a cost-effective way of boosting technological performance that translates directly into fuel efficiency in engines. The advantages of fuel efficiency make fixed geometry turbochargers a crucial choice for clients as pollution restrictions continue to grow.
Wastegate
Cummins Turbo Technologies improves the utilization of waste products, disposable in pneumatically controlled and in electronically controlled designs that regulate the volume and the time of the surplus gas discharge. Holset Wastegate turbochargers provide a low to a mid-power solution that is cost-effective, trusted, and sustainable.
This state-of-the-art technology diversifies ‘waste’ exhaust to fit most situations.
Wastegate technology helps avoid over-speed turbochargers and over-boost engines. The well-engineered turbochargers from the Holset are utilized across Cummins using the same industrial design principles. With a total efficiency improvement of 3 percent, wasted turbochargers may be improved on fixed geometry devices and adjusted for different after-treatment systems.
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