Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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F02D
CONTROLLING COMBUSTION ENGINES
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13/00
Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
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F02D13/02
during engine operation
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F02D13/0203
Variable control of intake and exhaust valves
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