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丰田22R型发动机化油器是一种固定喉管截面化油器与等压式化油器相结合的典型化油器。它的主腔结构与普通化油器相同,具有双重喉管。在发动机低负荷、低转速的工况下,可提供良好的混合气。它的副腔结构与等压式化油器相近,没有窄小的喉管,可减少节流损失。这是一种一般化油器无法达到的特点。因此,在发动机高负荷、高转速的工况下,它可提供充足的混合气,以满足发动机的需要。
Toyota 22R engine carburetor is a fixed-section carburetor and equal pressure carburetor carburetor combination of typical carburetor. Its main chamber structure and the same general carburetor, with dual throat. In the engine under low load, low speed conditions, can provide a good mixture. Its vice cavity structure and equal pressure carburetor similar, there is no narrow throat, can reduce the throttle loss. This is a general carburetor can not achieve the characteristics. Therefore, the engine at high load, high speed conditions, it can provide sufficient gas mixture to meet the needs of the engine.