| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel supply device capable of mixing fuels supplied from plural feeding system of different feeding pressure and supplying the same to an apparatus and capable of eliminating a compressor and a cooling means. SOLUTION: This fuel supply device includes the two supply systems of different feeding pressures (for example, two systems of high calorie gas like town gas feeding line (FHL) and low calorie gas like biogas feeding line (FLL)), an ejector 5. The ejector 5 is communicated with the feeding system of relatively high pressure (high calorie gas like town gas feeding line FHL) at a driving flow 5a side thereof, to the feeding system of relatively low pressure (low calorie gas like biogas feeding line FLL) at a secondary flow 5b side thereof, and to an apparatus (a combustor 2) to be supplied with fuel at a discharging opening 5c.
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