Oil cooling turbine moving blade
A moving blade and turbine technology, which is applied to the supporting elements of the blade, the turbine/propulsion fuel delivery system, the fuel flow passage of the turbine/propulsion device, etc., can solve the problem of limited use of air turbines, and achieve the effect of reducing weight
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specific Embodiment approach 1
[0019] Embodiment 1: In this embodiment, an oil-cooled turbine moving blade includes a fuel tank 1, a fuel pump 2, a hollow shaft 3, and an air turbine 4. The hollow tubular structure inside the hollow shaft 3 is a cooling channel 7, and the rotor part of the air turbine 4 It is composed of a disc 5 and blades 6. The cooling channel 7 is distributed inside the disc 5 and the vanes 6. The outlet of the fuel tank 1 communicates with the inlet of the fuel pump 2. The fuel pump 2 and the air turbine 4 are installed on the hollow shaft 3 in turn. The fuel pump 2. The outlet communicates with the inlet of the cooling channel 7 in the hollow shaft 3, and the end of the hollow shaft 3 leads into the combustion chamber.
[0020] In this embodiment, the fuel tank 1 is used to store fuel, the fuel pump 2 is used to pressurize the fuel, and the hollow shaft 3 has dual functions, firstly used to fix the fuel pump 2 and the air turbine 4, and secondly used to connect the cooling channel 7 be...
specific Embodiment approach 2
[0021] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the oil-cooled turbine rotor blades are cooled by fuel. Others are the same as in the first embodiment.
specific Embodiment approach 3
[0022] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the fuel pump 2 and the air turbine 4 use the hollow shaft 3 as the connecting shaft. Others are the same as in the first or second embodiment.
[0023] The positions of the cooling passages 7 in the disc 5 are determined according to the number of turbine moving blades and the positions of the cooling passages 7 in the blades 6 .
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