Apparatus for reducing oil leakage in two-stage turbocharger

A turbocharger and supercharger technology, which is applied in the lubrication of turbine/propulsion devices, gas turbine devices, engines, etc., and can solve problems such as lubricating oil leakage

Inactive Publication Date: 2016-12-07
HYUNDAI MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, low-pressure turbochargers are more prone to oil leakage than high-pressure turbochargers

Method used

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  • Apparatus for reducing oil leakage in two-stage turbocharger
  • Apparatus for reducing oil leakage in two-stage turbocharger
  • Apparatus for reducing oil leakage in two-stage turbocharger

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Embodiment Construction

[0016] An apparatus for reducing lubricant oil leakage in a two-stage turbocharger according to an exemplary embodiment of the present invention, an example of which is shown in the accompanying drawings, will now be described in more detail. Also, the same reference numerals will be used throughout the drawings and specification to refer to the same or like parts.

[0017] figure 1 To show a schematic structural view of an exemplary embodiment of an apparatus for reducing lubricating oil leakage in a two-stage turbocharger according to the present invention, figure 2 for figure 1 A detailed view of the transmission side of the middle.

[0018] The apparatus for reducing lubricating oil leakage in a two-stage turbocharger according to the present embodiment includes a transmission part 500 connecting the high-pressure turbocharger 100 to the low-pressure turbocharger 200 so that clean air ( Pressurized air between the back of the compressor wheel and the bearing housing ba...

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Abstract

The invention relates to an apparatus for reducing oil leakage in a two-stage turbocharger, the apparatus comprises a transport section which connects a high-pressure turbocharger to a low-pressure turbocharger (200) for allowing clean air to be transported from the high-pressure turbocharger to the low-pressure turbocharger. The apparatus prevents lubricating oil in a bearing box dispersing to the rear surface of a compressor impeller through a piston ring, so that the leakage and consumption of the lubricating oil can be reduced.

Description

technical field [0001] The invention relates to a device for reducing lubricating oil leakage in a two-stage turbocharger of a vehicle, wherein the two-stage turbocharger consists of a high-pressure turbocharger and a low-pressure turbocharger. Background technique [0002] In a vehicle using a turbocharger engine, a two-stage turbocharger system equipped with a high-pressure turbocharger and a low-pressure turbocharger is used to provide optimum pressurized air to cover a wide driving range. The two-stage turbocharger system includes two turbochargers with different flow capacities, which are arranged on the exhaust passage of the exhaust manifold to use the high-pressure turbocharger in the range of low speed and low load, and in the A low-pressure turbocharger is used for high-pressure supercharging in the high-speed and high-load ranges. Furthermore, in a region where the turbocharger operates at a medium speed and a medium load, two-stage supercharging is performed usi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B39/14
CPCF01D25/18F02B37/004F02B37/013F02B37/16F02C6/12F02C7/06F02C7/28F05D2220/40F05D2260/60Y02T10/12
Inventor 秦锡范
Owner HYUNDAI MOTOR CO LTD
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