| 摘要 |
PROBLEM TO BE SOLVED: To satisfy need for a diesel engine fuel supply technology by which a fuel change-over plug becomes unnecessary and nonetheless an amount of residual fuel in a plurality of fuel tanks becomes equal as much as possible.SOLUTION: A work vehicle mounted with a diesel engine is provided that includes: a fuel supply passage 67 comprised of a first fuel supply passage 671 connecting a first fuel tank 61 with a confluent part 65, a second fuel supply passage 672 connecting a fuel tank 62 with the confluent part 65 and a common supply passage 670 connecting the confluent part 65 with a diesel engine 3; a fuel pump 60 provided in the common supply passage 670; a first check valve 63 placed in the first fuel supply passage 671 and opened in accordance with a differential pressure between a pressure at the fuel tank and a pressure at the confluent part; a second check valve 64 placed in the second fuel supply passage and opened in accordance with a differential pressure between the pressure at the fuel tank and the pressure at the confluent part; and a fuel return passage 68 for returning surplus fuel from the diesel engine 3 to the first fuel tank 61 and the second fuel tank 62.SELECTED DRAWING: Figure 1 |
