Turbochargers are one of the best methods for extracting more power out of an engine with less total displacement. Unlike a supercharger, which compresses air at the intake stage and runs off a belt ...

General Motors has just been granted a patent by the United States Patent and Trademark office for a two stage turbo setup with variable geometry in an internal ...

Not to say that they’ve disappeared entirely, but 10 years ago they seemed to be one of the hottest bits of new engine tech on the market. Nowadays however, finding them on petrol-powered sports cars ...

Turbochargers are wonderful things, taking waste energy and using it to help an engine to produce more power. The variable-geometry turbocharger is an advanced version of this technology, which brings ...

Fitted to the new 9-litre engine of the 8030 series and the 4.5-litre and 6.8-litre PowerTech Plus engines of the 6030 and 7030 tractors, a variable geometry ...

PACCAR has filed a patent for a variable geometry turbine (VGT) that includes an adjustable nozzle and a controller. The nozzle is calibrated during normal operation by adjusting it towards a closed ...