Looks like over-complex, expensive bullshit to get you to part with your $s frankly. I wonder if a look at the old patents office stuff would enlighten. I did that with steam valve timing gear once, hundreds of patents all to do the same thing!
I'll agree that a suppressor can cause various issues with a gas operated system the Q would be what works best and/or whats best bang for the buck. eh stumpy? Ive always found acoustics interesting, anyway would have expected a bigger volume can to do better for pressure? but dunno about noise, hence those oil filter cans look interesting for instance.
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