District of New York on April 23, 2021. The company raised 1.3 bln in equity during Chapter 11 restructuring. Turbo racing The Garrett brand competes in numerous motorsport series and supports sports car racing, drag racing, rally racing, and open-wheel racing. Racing vehicles using a Garrett turbo include: Technologies and products Garrett offers gasoline-powered turbochargers called wastegate turbos. They are designed to be smaller than previous turbo generations, have higher fuel efficiency, more torque, and meet emissions standards. Garrett also offers Variable-geometry turbochargers called VNT. They have nine moveable vanes, an electrohydraulic actuator and a proportional solenoid for variable control throughout the engine's power curve. This means the air passageway of the turbo varies to meet the engine's needs at different RPMs. Forty million VNT turbochargers have been sold since the 1990s. VNT DutyDrive, previously called Double Axle VNT, uses 12–19 turbine nozzle vanes supported by twin axles for trucks and buses. Garrett also offers a diesel engine version of wastegate turbos and VNTs. Dual-stage turbochargers use two smaller turbochargers either side-by-side (parallel) or in sequence (serial). The first is used at low speeds and a valve opens up the second as engine RPMs increase. The dual-stage used in the Audi A6/A7 three liter V6 engine however runs both turbochargers at a lower pressure mode and some use one larger turbo followed by a smaller one. The Dualboost has dual compressors to mimic a twin turbocharger. Patents Garrett Motion has patented a single-cartridge, dual ball bearing technology, which uses a single sleeve system with a set of angular ball bearings on either end. This creates a rolling rather than sliding mechanism between parts intended to reduce the amount of pressure required to achieve airflow. References External links Automotive companies of the United States Companies formerly listed on the New York Stock Exchange Manufacturing companies based in Arizona Turbocharger manufacturers Corporate spin-offs Companies that filed for Chapter 11 bankruptcy in 2020 1954 establishments in Arizona Manufacturing companies established in 1954