4. Internal-combustion engines
  5. Four-cycle
  6. Single poppet valve
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Partitioned poppet valve mechanism seprating inlet and exhaust t

Internal-combustion engines – Four-cycle – Single poppet valve
Patent

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Poppet valve and engine using same

Internal-combustion engines – Four-cycle – Single poppet valve
Reexamination Certificate

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Poppet valve and engine using same

Internal-combustion engines – Four-cycle – Single poppet valve
Reexamination Certificate

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Poppet valve assembly with apertures

Internal-combustion engines – Four-cycle – Single poppet valve
Patent

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