Patent ID: 8695348

Claim:
A combustor comprising: a plurality of nozzles which is arranged around the central axis of a combustor and of which each base end is connected to an oil supply tube; a nozzle tube base which supports the plurality of nozzles and includes an oil chamber supplying fuel to the nozzles via an oil inflow portion provided in each oil supply tube; a first guide portion which faces the central axis of the combustor inside the oil chamber and guides the oil remaining inside the oil chamber to the oil inflow portion; and a second guide portion which faces away from the plurality of nozzles inside the oil chamber and guides the oil remaining inside the oil chamber to the oil inflow portion, wherein the first guide portion includes a first inclination surface that is located between the adjacent oil inflow portions and is inclined in a direction away from the center of the combustor as the first inclination surface becomes closer to one oil inflow portion and a second inclination surface that is inclined in a direction away from the center of the combustor as the second inclination surface becomes closer to the other oil inflow portion, and the second guide portion includes a third inclination surface that is located closer to the vicinity of the front end of the combustor than the oil inflow portion and is inclined in a direction away from the center of the combustor as the third inclination surface becomes closer to the oil inflow portion.