Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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F01L
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
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13/00
Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
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F01L13/08
for decompression, e.g. during starting; for changing compression ratio
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F01L13/085
the valve-gear having an auxiliary cam protruding from the main cam profile
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