during engine operation

Full Title

Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing > during engine operation

Child Classifications

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• F02D 13/0203
• F02D 13/0223
• F02D 13/0242
• F02D 13/0253
• F02D 13/0257
• F02D 13/0261
• F02D 13/0269
• F02D 13/0273
• F02D 13/0276
• F02D 13/028
• F02D 13/04 using engine as brake
• F02D 13/06 Cutting-out cylinders
• F02D 2013/0292
• F02D 2013/0296