| 摘要 |
The present invention relates to an apparatus for displaying fuel efficiency which comprises a plurality of sensors transferring sensing information by sensing one among the displacement, fluid pressure of a joystick, and the pressure of a pump; an alternator outputting voltage which indicates engine torque; a key switch transferring key insertion information when a key is inserted; an engine control unit calculating engine RPM, instantaneous fuel efficiency, and torque data; a display unit including at least one among an eco symbol displaying instantaneous work-load, an eco gauge displaying average fuel efficiency, and a fuel system displaying the instantaneous fuel efficiency or the average fuel efficiency; an equipment control unit displaying the eco symbol of the display unit depending on the current state of equipment, calculating the average fuel efficiency using the instantaneous fuel efficiency and the torque data obtained from the engine control unit, and displaying the calculated average fuel efficiency or the instantaneous fuel efficiency through the eco gauge of the display unit and the fuel system, after determining the current state of the equipment depending on the engine RPM received from the engine control unit, the key insertion information received from the key switch, and the sensing information received from the plurality of the sensors; and a memory unit saving the instantaneous fuel efficiency and the average fuel efficiency. |
