F02B2720/22 - CPC Classification

Engines with liquid fuel Four stroke engines

• F02B2720/221 » with measures for removing exhaust gases from the cylinder 0
• F02B2720/223 » with measures for charging, increasing the power 0
• F02B2720/225 » with measures for compressing the cylinder charge 0
• F02B2720/226 » with measures for improving combustion 0
• F02B2720/228 » with measures for increasing the part of the heat transferred to power, compound engines 0