Contra-rotating outer framework water-air dual-purpose engine

Abstract

The invention discloses a contra-rotating outer framework water-air dual-purpose engine. The engine mainly structurally comprises a supporting frame, an oil electric pipeline, a front thrust bearing, a peripheral bearing, a radome, an inner duct, an outer duct, a gas compressor, a ring-shaped combustion chamber, a worm wheel, a rear thrust bearing, a convergent tail spray tube, a central duct, an inner rotor, an outer rotor, a blade tongue-and-groove, a fan, an engine cover, a power transmission circuit, a conductive slide ring, an oil conveying pipeline, a convergent channel, a rotary joint, a metal fuel cavity, a metal-water reaction combustion chamber and a fan stator blade. The gas compressor and the worm wheel of the engine are not provided with a stator blade, and an outer frame rotor and an inner rotor are in counter rotating in an air working state, so that the gas compressor and the worm wheel can realize counter rotating, the absolute rotation speed of the rotor is lowered when the engine efficiency is improved, the axial dimension of the engine is shortened and the structure weight is reduced. When the engine works in water, the ring-shaped combustion chamber does not work, the inner and outer rotors are static, and power is produced by the metal-water reaction combustion chamber, so that water-spraying propulsion is realized.

Description

technical field [0001] The invention belongs to the field of aero-engines, and in particular relates to a counter-rotating outer frame water-air dual-purpose engine. Background technique [0002] An aero-engine is a highly complex and precise thermodynamic machine. As the heart of the aircraft, the aero-engine is known as the "flower of industry", which directly affects the performance, reliability and economy of the aircraft. With the advancement of technology, aircraft put forward higher and higher requirements for aero-engines, such as higher thrust-to-weight ratio, lower fuel consumption rate, higher reliability, better maintainability, longer life, and lower overall life Cycle costs, wider scope of work, etc. [0003] The compressor and turbine blades of traditional aero-engines are divided into rotor blades and stator blades. The stator blades are fixed on the casing, and the rotor blades are installed on the shaft, which rotates with the shaft during operation. Thi...

AI Technical Summary

Problems solved by technology

In order to realize the amphibious aircraft, it is necessary to have an engine capable of amphibious use. At present, several forms of amphibious engines have been proposed in the world, but many difficulties have been encountered in the development process, making the amphibious The engine is still in the test verification stage

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