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通常所用的汽化器有一个随油面变化而升降的浮子,故称之为浮子式汽化器。膜片式汽化器是膜片代替浮子,调压阀随膜片所受压力之不同而开关,一面使主燃油室的压力大致保持一定,一面供油。众所周知,浮子式汽化器在结构上的缺点是倾斜性和方向性差。目前所用的浮子式汽化器虽经种种改进,但其倾斜角度仍仅限于35～45°。而膜片式汽化器因为没有浮子,角度和方向不受限制。在任意倾斜角度下均可使用。这是膜片式汽化器的最大特点。
The commonly used carburetor has a float that changes as the oil level changes, so it is called a float carburetor. Diaphragm vaporizer diaphragm instead of the float, the pressure regulating valve with the pressure on the diaphragm and switch, while maintaining the pressure of the main fuel tank is generally maintained, while the oil. It is well-known that the structural disadvantages of float carburetors are their poor slope and directionality. At present, the float carburetor used by the various improvements, but the tilt angle is still limited to 35 ~ 45 °. The diaphragm carburetor because there is no float, angle and direction is not limited. Available at any angle of inclination. This is the most prominent feature of the diaphragm carburetor.