structurally combined with other devices (combined or associated with fuel injectors F02M57/06; structurally combined with other parts of internal-combustion engines F02P13/00)

Full Title

Sparking plugs > structurally combined with other devices (combined or associated with fuel injectors F02M57/06; structurally combined with other parts of internal-combustion engines F02P13/00)

Child Classifications

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• H01T 13/41 with interference suppressing or shielding means
• H01T 13/42 with magnetic spark generators
• H01T 13/44 with transformers, e.g. for high-frequency ignition