To provide an fuel injection device configured to obtain high efficiency of combustion during low power output, while suppressing the generation of smoke due to excessive fuel.
A fuel injection device for supplying fuel to compressed air from a compressor and combusting the fuel, wherein a pilot fuel injection valve (21), a main fuel injection valve (23) disposed on the outer periphery of the pilot fuel injection valve, and an air injection unit (25) disposed between the end of the outlet of the pilot fuel injection valve and the main fuel injection valve are provided; the air injection unit is provided with a bulkhead plate (71) for partitioning the air injection unit from a combustion chamber, a baffle plate (73) provided on the downstream side of the bulkhead plate, a first opening (75) opened to the downstream side between the baffle plate and the end of the outlet of the pilot fuel injection valve, and a second opening (77) provided to the bulkhead plate and used for supplying compressed air between the baffle plate and the bulkhead plate; and the baffle plate is provided with an inclined part (73b) that is inclined in the downstream direction diagonally outward in the radial direction in relation to the axial center.
KOBAYASHI MASAYOSHI
HORIKAWA ATSUSHI
FUJIWARA HITOSHI
JAPAN AEROSPACE EXPLORATION
| JP2011080669A | 2011-04-21 | |||
| JP2008196831A | 2008-08-28 | |||
| JPH11101435A | 1999-04-13 | |||
| JP2002139221A | 2002-05-17 |
Next Patent: FUEL INJECTION DEVICE