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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19/00
Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
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F02D19/02
peculiar to engines working with gaseous fuels
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F02D19/026
Measuring or estimating parameters related to the fuel supply system
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F02D19/029
Determining density, viscosity, concentration or composition
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