OIL SUPPLY MANAGEMENT DEVICE FOR OIL SUPPLY VEHICLE

Japanese Patent JP3643187

B2

PROBLEM TO BE SOLVED: To provide an oil supply management device capable of making an oil supply vehicle go of for oil supply at a proper time and executing a rational oil supply.
SOLUTION: In the data management part 12 of a hydraulic excavator control device 10, an operable remaining time is hourly predicted based on a fuel residual amount and a fuel consumption amount of the hydraulic excavator, and this is transmitted from a radio transmitter/receiver 13 and an antenna 14 along with the number of the hydraulic excavator at a constant time interval. The control part 231 of the oil supply management device 20 of the oil supply vehicle fetches the transmitted number and the operable remaining time via an antenna 21 and a radio transmitter/receiver 22, compares the sum of the necessary time between the oil supply vehicle and the hydraulic excavator and the necessary remaining time which are obtained from a distance from oil supply vehicle to hydraulic excavator, an average speed per hour and allowance time until running out of fuel (necessary remaining time) stored in a memory part 232 with the operable residual time, and when the former is less than the latter, an indication to urge the go out of the oil supply vehicle is displayed on a display 24.

Yoshinori Furuno
Yasuo Tanaka
Yutaka Watanabe
Takashi Yagyu
Yukihiko Sugiyama

JP23655196A

April 27, 2005

September 06, 1996

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Hitachi Construction Machinery Co., Ltd.

G07C3/00; (IPC1-7): G07C3/00

JP7077058A
JP8144312A
JP55162013A
JP8296516A

Kenjiro Take
Kazunori Satake

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