Turbo control valve (TCV)
Electro-pneumatic control valves create a pressure level corresponding to the respective requirement from an existing supply pressure or supply vacuum. Usually pulse width modulation (PWM) is used for this purpose. The output value depends on the duty cycle according to the respective valve characteristic.
Specially optimized cycled boost pressure control valves are a very cost-effective solution to adjust the wastegate of exhaust gas turbochargers. Since the boost pressure itself serves as supply pressure, no additional effort is required for pressure supply. Various versions are available for boost pressures up to 3.5 bar.
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