4. Valves and valve actuation
  5. Rotary valves
  6. Butterfly

Peter Ropertz

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Actuating device for a throttling member

Internal-combustion engines – Engine speed regulator – Specific throttle valve structure
Patent

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Air conduction system for a vehicle

Internal-combustion engines – Intake manifold – For in-line engine
Patent

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Air pipe line distribution system

Internal-combustion engines – Intake manifold
Reexamination Certificate

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Device for regulating the intake air temperature in an internal

Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent

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High-pressure fuel pump with a pressure relief valve

Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate

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Profile ID: LFUS-PAI-P-763663

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