Impeller

Abstract

The invention relates to an impeller, which includes a vane, an air inlet of a flow channel and a hub. The head end of the blade is installed on the hub, and the thickness of the blade gradually increases from the head end to the end. Because the impeller of the present invention includes blades, the thickness of the blades is gradually thickened from the head end to the end, so that the cross-section becomes smaller gradually. The flow channel flows out, and in the process of gradually reducing the cross section, the gas is continuously pressurized to achieve a large flow and high boost ratio, which greatly improves the engine power performance. The impeller of the present invention is combined with a radial flow turbocharger. The test shows that the performance of the compressor is under the condition of large flow and high pressure ratio under the full working condition of the engine, so that the air-fuel ratio reaches or approaches the best state, and the engine shows a stronger performance. The power performance, energy saving performance and environmental protection performance have been greatly improved. At the same time reduce the number of revolutions of the engine supercharger to prolong the service life.

Description

technical field [0001] The invention relates to a turbocharger, in particular to an impeller suitable for a radial turbocharger. Background technique [0002] A turbocharger is actually an air compressor that increases the intake air volume by compressing air and increases the fuel-air-fuel ratio of the engine. [0003] The supercharger uses the inertial momentum of the exhaust gas from the engine to drive the turbine in the turbine chamber to rotate, and when the turbine drives the coaxial impeller to rotate, the air from the air filter pipe is pressed into the cylinder to increase the pressure and density of the air. Increase, the fuel gets more air, and achieves the best air-fuel ratio, that is, full combustion and fuel saving, so that the engine can enhance the power performance and increase the output power. The turbocharger impeller converts "mechanical energy" into "kinetic energy of the fluid" and accelerates the fluid. The motor drives the impeller to rotate at a ...

AI Technical Summary

Problems solved by technology

But the impeller 1 in the prior art, as figure 1 As shown, the blades 10 have the same thickness, which cannot achieve high flow rate and high boost ratio, and cannot improve engine power.

For this reason, some large-displacement cars usually increase the number of turbochargers to increase engine power, but this leads to a series of problems such as increased production costs and increased body weight.

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