4. Internal-combustion engines
  5. Poppet valve operating mechanism
  6. Electrical system

Sean D. O'Brien

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Internal combustion engine and method for controlling valve...

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
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Method for protection against overheating of electromagnetic...

Internal-combustion engines – Poppet valve operating mechanism – Electrical system
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Roller tappet

Internal-combustion engines – Poppet valve operating mechanism – Tappet
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Valve characteristic control apparatus of internal...

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
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