Problems with the pressurized air flow process

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The outlet of the booster pump in this device is divided into three paths: one path is for outlet venting, another path is for returning air to the main air stream, and the third path splits into two branches after passing through a check valve – one branch supplies air to the reaction sleeve and external components, while the other branch returns air to the main air stream via a control valve. This design is certainly intended to protect the booster pump by preventing excessive adjustments in the backup system from compromising its normal operation. However, it also has obvious drawbacks: since the second circuit feeds air directly back to the main system, there isn’t enough power in the backup system, which results in an insufficient flow of air in the reaction system. . . Are there any designs that are different or new manufacturing processes?