BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines
Green Car Congress
MAY 9, 2012
By separating the two parts of the exhaust event by phasing the exhaust valves via the concentric camshaft, VEMB allows the turbo to capture the blow-down energy while avoiding pumping losses through the turbocharger. SUV/Minivan) compared to about 5% with conventional cylinder deactivations, and about 7.2% VCD can deliver about a 4.5%
Let's personalize your content