4. Internal-combustion engines
  5. Burning by highly compressed air
  6. Oil engine air preheated

Alan B. Welch

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Directly actuated injection valve

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

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Directly actuated injection valve

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

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Dual fuel natural gas/diesel 2-stroke engine

Internal-combustion engines – Burning by highly compressed air – Oil engine air preheated
Patent

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Glow ring ignition assist for internal combustion engine

Internal-combustion engines – Combustion chamber means having fuel injection only – Injection of fuel onto igniter – deflector – heater – or atomizer
Reexamination Certificate

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