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Oil leakage preventing device used for turbosupercharger

A turbocharger, oil leakage prevention technology, applied in the direction of machines/engines, engine components, mechanical equipment, etc., can solve problems such as prone to oil leakage, affect the normal operation of the turbocharger and the performance of the whole machine, and achieve high performance The effect of small influence and simple assembly relationship

Inactive Publication Date: 2016-09-28
江苏毅合捷汽车科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, only a shaft seal sleeve is set between the core rotor and the intermediate housing of the existing turbocharger as a seal. In the specific application process, oil leakage is prone to occur at this place, which affects the normal operation of the turbocharger. Work and Overall Performance

Method used

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  • Oil leakage preventing device used for turbosupercharger
  • Oil leakage preventing device used for turbosupercharger
  • Oil leakage preventing device used for turbosupercharger

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Embodiment Construction

[0017] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0018] see Figure 1 to Figure 4 As shown, in this embodiment, an anti-oil leakage device for a turbocharger includes a core rotor 1, an impeller 2 and an intermediate housing 3, and a gap between the core rotor 1 and the intermediate housing 3 Set the shaft seal fixed sleeve 4, the impeller 2 is installed on the core rotor 1 outside the shaft seal fixed sleeve 4, and the core rotor 1 is installed between the shaft seal fixed sleeve 4 and the impeller 2 The anti-oil leakage fan 5, the anti-oil leakage fan 5 is processed by casting, the overall diameter is 20mm, and the anti-oil leakage fan 5 includes a body 50, and the center of the body 50 is provided with a matching core rotor 1 There are mounting holes 51 provided on the outer diameter, and 12 fan blades 52 are evenly distributed on the outer ed...

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Abstract

The invention discloses an oil leakage preventing device used for a turbosupercharger. The oil leakage preventing device comprises a machine core rotor, an impeller and an intermediate shell, wherein a shaft seal fixing sleeve is arranged between the machine core rotor and the intermediate shell, the impeller is arranged on the machine core rotor outside the shaft seal fixing sleeve, an oil leakage preventing fan is arranged between the shaft seal fixing sleeve and the impeller on the machine core rotor, and the machine core rotor drives the oil leakage preventing fan to blow air to the inside of a machine core while rotating. According to the oil leakage preventing device used for a turbosupercharger, the oil leakage preventing fan is additionally arranged on the machine core rotor between the shaft seal fixing sleeve and the impeller, and the structure is simple. The fan blade structure is designed, so that the machine core rotor produces proper air pressure during rotation to blow air to the direction of the machine core, and therefore, the function of oil leakage prevention at the pressure end can be effectively achieved, the thrust effect to a thrust bearing is not affected, and the influence to the complete machine is slight.

Description

technical field [0001] The invention relates to a turbocharger, in particular to an oil leakage prevention device for the turbocharger. Background technique [0002] A turbocharger is actually an air compressor that compresses air to increase intake air. It uses the inertial momentum of the exhaust gas discharged from the engine to drive the turbine in the turbine chamber, and the turbine drives the coaxial impeller, which presses the air sent by the air filter pipe to pressurize it into the cylinder. When the engine speed increases, the exhaust gas discharge speed and the turbine speed also increase synchronously, and the impeller compresses more air into the cylinder. The pressure and density of the air increase to burn more fuel. Increase the amount of fuel and adjust the engine speed accordingly. The output power of the engine can be increased. [0003] At present, only a shaft seal sleeve is set between the core rotor and the intermediate housing of the existing turbo...

Claims

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Application Information

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IPC IPC(8): F02B39/14
CPCF02B39/14
Inventor 蔡永君王国龙
Owner 江苏毅合捷汽车科技股份有限公司
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