The present invention relates to a fuel economy display device, comprising: a plurality of sensors for sensing at least one from among a displacement of a joystick, oil pressure, and pressure of a pump so as to transmit the sensing information; an alternator which outputs voltage indicating the RPM of an engine; an engine control unit which calculates engine RPM, instantaneous fuel economy, and torque data; a display unit comprising at least from an eco-symbol for displaying instantaneous work load, an eco-gauge for displaying average fuel economy, and a fuel economy system for displaying the instantaneous fuel economy or the average fuel economy; an equipment control unit for determining the current state of equipment according to the sensing information received from the plurality of sensors and the engine RPM received from the engine control unit, changing and displaying the eco-symbol of the display unit according to the current state of the equipment, calculating the average fuel economy by using instantaneous fuel economy and torque data which are calculated by the engine control unit, and displaying the calculated average fuel economy or the instantaneous fuel economy through the eco-gauge and the fuel economy system of the display unit; and a memory unit for storing the instantaneous fuel economy and the average fuel economy.
Fuel economy display device
2015-09-23
Patent
Electronic Resource
English
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