A small hollow tank which is more buoyant than the liquid in which it is immersed. In a carburetor it operates the valve ( needle and seat ) which controls the amount of fuel entering the carburetor . In the fuel tank , it indicates the amount of fuel. Also see valve float . Older floats were hollow and made of metal, but newer ones were made of a solid synthetic material.
FLOAT
Meaning of FLOAT in English
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012