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Recent advances in internal wastegate actuators bring dual port control. A dual port wastegate adds a second port on the opposite side of the actuator. Air pressure allowed to enter this second port aids the spring to push harder in the direction of closing the wastegate. This is exactly the opposite of the first port. The ability to help the ...
A 3-port solenoid-type boost controller A 4-port solenoid-type boost controller (used for a dual-port wastegate). The purpose of a boost controller is to reduce the boost pressure seen by the wastegate's reference port, in order to trick the wastegate into allowing higher boost pressures than it was designed for.
The BorgWarner developed turbo can produce up to 27 psi (1.9 bar) of boost thanks in part to its unique dual volute turbine housing and an electrically actuated wastegate. Instead of two side-by-side exhaust passages like on a regular twin-scroll turbocharger , in this design the two exhaust passages are concentric and allow for better use of ...
The second-generation Toyota CT26 used a twin entry turbine housing with dual wastegate ports. It was fitted to the second generation Toyota Celica GT-Four (ST185) as well as the Toyota MR2 Turbo (SW20). The intake charge is cooled by an air-to-air intercooler either top-mounted in the Celica or side-mounted in the MR2.
Pumping losses have been reduced by electrification of the waste gate of the twin turbo system. The engine achieves 37% thermal efficiency. [17] A hybrid version (marketed as "i-FORCE MAX" in North America) is also available with the same engine designation as the regular variant. The hybrid version was named Ward's World's 10 Best Engines list ...
The 2025 NFL draft order was shaken up by a Raiders win over the Jaguars in Week 16. Here's how that's impacting NFL mock drafts.
CMV is really common—more than half of adults have been infected with it by age 40, according to the Centers for Disease Control and Prevention (CDC). Most people with CMV show no symptoms, but ...
The Hyundai Gamma engine was introduced in 2006 to replace the existing Hyundai Alpha engine. [1] There are 1.4 L and 1.6 L versions of this engine. The Gamma II can apparently run in Atkinson cycle (leaving intake open longer for more complete burn but less displacement) under low loads for additional fuel economy with the ability to shift to Otto cycle on demand under high loads or for extra ...