Turbocharged internal combustion engine with spark ignition

Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine

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F02B 3700

Patent

active

043733379

ABSTRACT:
An internal combustion engine with spark ignition having an exhaust gas turbocharger. Supercharger air from the turbocharger is conveyed through a charger air line or pipe to an intake manifold of the internal combustion engine. A throttle valve is provided for the power control of the engine in a path of the supercharger air, especially at an inlet to the intake manifold. A bypass air line or pipe is connected to the charger air line or pipe, with the bypass air line extending to a position upstream of the turbocharger. A further throttle valve is arranged at the bypass air line with both throttle valves being mechanically connected with each other in such a manner that one throttle valve closes when the other throttle valve opens, and vice versa.

REFERENCES:
patent: 2988070 (1961-06-01), Brueder
patent: 4207743 (1980-06-01), Ecomard et al.

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