Integrated passive one way valve in charge air inlet tank

An inlet tank for a charge cooler comprising:

• a manifold portion;
• a turbocharger inlet port in fluid communication with a compressor wheel of a turbocharger and the manifold portion, an opening formed in a sidewall of the turbocharger inlet port;
• a supercharger inlet port in fluid communication with a compression mechanism of an electric supercharger, the opening formed in the sidewall of the turbocharger inlet port providing fluid communication between the supercharger inlet port and the turbocharger inlet port;
• and
• a valve mechanism including a flexible flap and a guide frame, the flap including a first end coupled to the sidewall of the turbocharger inlet port and a freely disposed second end, the guide frame extending across a flow area of the turbocharger inlet port adjacent the opening formed in the sidewall, wherein the guide frame curves about an axis arranged perpendicular to flow through each of the turbocharger inlet port and the supercharger inlet port as the guide frame extends from a first end thereof adjacent the opening in the sidewall to a second end thereof, the flap passively adjustable to flex between a first position wherein the flap prevents fluid communication between the turbocharger inlet port and the supercharger inlet port and a second position wherein the flap allows fluid communication between the turbocharger inlet port and the supercharger inlet port, wherein the flap flexes to engage the guide frame when adjusted to the second position.