Engine air inlet connecting pipe

The utility model discloses an engine air inlet connecting pipe. The engine air inlet connecting pipe comprises an air inlet flange, a connecting pipe shell, a flange cover plate, an air inlet and an air outlet. The air inlet and the air outlet are formed in the two ends of the connecting pipe shell respectively, the connecting pipe shell is an arc-shaped pipe, and a cavity communicated with the air inlet and the air outlet is formed in the connecting pipe shell; a gas inlet flange is arranged at the gas inlet and is used for conveying gas into the cavity; a flange cover plate is arranged at the air outlet and matched with an air inlet formed in the air cylinder cover so as to keep the sealing performance of the air cylinder cover. 本申请公开了一种发动机进气接管，本申请包括：进气法兰、接管壳体、法兰盖板、进气口以及出气口；所述进气口和所述出气口分别设置于所述接管壳体的两端，所述接管壳体为弧形管，所述接管壳体内部设有连通所述进气口与所述出气口的腔体；所述进气口处设有进气法兰，所述进气法兰用于将气体输送至所述腔体中；所述出气口处设有法兰盖板，所述法兰盖板与气缸盖开设的进气口相匹配，以保持所述气缸盖的密封性。