A method of monitoring a vehicle includes monitoring a precollision fuel level, detecting a collision event, and detecting a vehicle orientation based at least on the precollision fuel level and a postcollision fuel level. The method can be executed by a controller having a processor and a memory storing processor-executable instructions where the processor is programmed to monitor the precollision fuel level, detect the collision event, and detect the vehicle orientation based on at least a precollision fuel level and a postcollision fuel level.

The invention relates to a fuel tank for a motor vehicle, comprising a tank body made from thermoplastic with a tank wall which defines a tank volume which can be closed in a substantially fluid-tight manner, with at least one filler opening and with one or more functional insert components which are arranged within the tank volume, at least one blind opening with a single use closure being provided in the tank wall.

Provided is a fuel tank for a vehicle in which a fuel measure bar provided in a vertical direction in a fuel storing body in which a fuel combusted in an engine is stored and capable of measuring a fuel amount using an ultrasonic wave includes a first fuel measure bar fixed to a bottom surface of the fuel storing body and a second fuel measuring bar easily coupled to the first fuel measuring bar to easily enter the fuel storing body and exit from the fuel storing body.

Methods and systems are provided for a fuel tank mounted to a vehicle. Specifically, a saddle fuel tank comprising of a primary and secondary fuel compartment, each compartment having a module for mounting a fuel pump, fuel sensor and other accessories is disclosed. A first and second crimped opening formed on a top external wall and bottom internal wall, respectively of the saddle fuel tank may provide means for securely mounting a main and sub-side module to the fuel tank.

A display device also includes an available amount-of-fuel calculator for calculating an available amount of fuel, an average mileage calculator for calculating an average mileage from a consumed amount of fuel and a vehicle's traveled distance, an available travel distance calculator for calculating an available travel distance from the available amount of fuel and the average mileage, and a display unit for displaying the available travel distance. The available amount-of-fuel calculator uses a learned value based on outputs as a corrective value for correcting the output of a second sensor when the calculation of the available amount of fuel switches from being based on the output of the second sensor to being based on the output of a first sensor.

An aircraft fuel system comprises an integrated sensor assembly incorporating a housing. The housing receives a circuit board, a temperature sensor, a point level sensor and a fuel density sensor. A first fuel height sensor is positioned outwardly of the housing.

A fuel tank system constructed in accordance to one example of the present disclosure includes a saddle fuel tank, a control module, a first and second solenoid, and a first and second vent line. The saddle fuel tank can have a first lobe and a second lobe. The first vent line can have a first vent port located in the first lobe of the saddle fuel tank. The first solenoid is configured to open and close the first vent port. The second vent line can have a second vent port located in the second lobe of the saddle fuel tank. The second solenoid is configured to open and close the second vent port. The control module sends a signal to the first and second solenoids to close the first and second vents upon reaching a full fuel condition.

A method of monitoring a vehicle includes monitoring a precollision fuel level, detecting a collision event, and detecting a vehicle orientation based at least on the precollision fuel level and a postcollision fuel level. The method can be executed by a controller having a processor and a memory storing processor-executable instructions where the processor is programmed to monitor the precollision fuel level, detect the collision event, and detect the vehicle orientation based on at least a precollision fuel level and a postcollision fuel level.

A working vehicle according to the present invention is configured with a fuel tank, a fuel sensor for detecting an amount of fuel stored in the fuel tank, and an informing device (a controller, informing switch, and speaker) for informing the stored amount of fuel detected by the fuel sensor, by changing the informing pattern in response to this stored amount of fuel. The working vehicle is also configured with an exhaust gas purification system for purifying exhaust gas using urea water, a urea water tank, a urea water sensor for detecting the amount of urea water stored in the urea water tank, and an informing device (the controller, informing switch, and speaker) for informing a stored amount of urea water detected by the urea water sensor, by changing the informing pattern in response to this stored amount of urea water.

A method for a fuel system comprises receiving a first indication of inconsistency in a fuel level indicator output during a fuel consumption cycle, receiving a second indication of inconsistency in a fuel level indicator output during a refueling event, and indicating electrical degradation of the fuel level indicator responsive to the first and second indications of inconsistency indicating coincident ranges of inconsistency for the fuel level indicator output. By gauging the consistency of a fuel level indicator output during both upward and downward travel, electrical degradation may be distinguished from mechanical degradation. In this way, a range of inconsistency may be determined, and a reported fuel level adjusted while the fuel level indicator output is within the range of inconsistency.