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 ...

SAE Transactions, Vol. 105, Section 3: JOURNAL OF ENGINES (1996), pp. 2490-2497 (8 pages) This paper presents a numerical study on a racing engine with variable intake and exhaust geometry and valve ...

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 ...

SAE International Journal of Engines, Vol. 4, No. 2 (2011), pp. 2405-2417 (13 pages) ABSTRACT In order to increase the efficiency of automotive turbochargers at low speed without compromising the ...

While variable geometry engine air intakes were banned from Formula 1 in 2006, only to become legal again later on, you can find this technology in many road cars today. Typically, it goes by the term ...

Ferrari’s new high-output F12berlinetta, the F12tdf, uses the same basic V-12 engine as the regular model but sees a host of small enhancements that boost horsepower from 730 to 769. The jump comes ...