4. Internal-combustion engines
  5. Spark ignition timing control
  6. Electronic control

Woong-chul Yang

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Compression ratio mode selection logic for an internal...

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Reexamination Certificate

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Cylinder air charge estimation system and method for...

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Reexamination Certificate

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Electromechanical valve actuator with air piston to aid in...

Valves and valve actuation – Fluid actuated or retarded – Dashpot or fluid controlled retarder or timer
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Engine control with operating mode detection

Internal-combustion engines – Four-cycle – Variable clearance
Reexamination Certificate

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Gaseous fueled engine system and method

Internal-combustion engines – Spark ignition timing control – Electronic control
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Profile ID: LFUS-PAI-P-2577184

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