| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel degradation estimation device which can improve estimation accuracy for fuel degradation in a fuel tank.SOLUTION: The fuel degradation estimation device includes: the fuel tank 14; an engine 1 to which fuel is supplied from the fuel tank 14; a fuel level sensor 27a, a pressure sensor 27b, a fuel temperature sensor 27c which detect data on the consumption of the fuel; and a controller 31 which calculates air amount in the fuel tank 14 based on a remaining fuel and the capacity of the fuel tank, and estimates the degradation state of the fuel based on the ratio of the air amount with the remaining fuel. |
