Liquid level detecting apparatus of tank for vehicle

A liquid level detecting apparatus of a tank for a vehicle, comprising:

• a main detecting part configured to detect the liquid level of the liquid in a tank to output a liquid level detection signal corresponding to the liquid level;
• an auxiliary floater assembly including an auxiliary floater provided to float on the liquid surface of the liquid in the tank, and a gyro sensor mounted to the auxiliary floater, and configured to output an angle detection signal corresponding to an inclined angle of the tank;
• and
• a controller configured to determine a final liquid level value by correcting a liquid level value obtained from the liquid level detection signal based on the angle detection signal;
• wherein the auxiliary floater assembly further includes:
• a base part installed to be movable vertically along a fixed structure in the tank;
• a gyro sensor part having the gyro sensor connected and supported to the base part through an arm rod, and for outputting the angle detection signal corresponding to the rotated and inclined angle, and
• an auxiliary floater provided to float on the liquid surface of the liquid in the tank, and installed so that the gyro sensor part is rotatable.