An electric turbocharger

A turbocharger and electric technology, applied to combustion engines, engine components, machines/engines, etc., can solve problems such as assembly errors and turbo lag, and achieve the effect of reducing models, reducing quantities, and avoiding assembly errors

Active Publication Date: 2019-09-03
滨州高新高端装备制造产业园有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, turbocharging has hysteresis, and turbocharging needs to intervene when the engine speed is relatively high, so it is necessary to minimize the problem of intervention lag when the existing turbocharging works, so it is necessary to introduce electric turbocharging technology, and the existing turbocharging The bearings installed on the booster shaft have different sizes, one side has a larger size and the other side has a smaller size, which increases the number and type of parts to be processed, and also easily leads to assembly errors

Method used

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Examples

Experimental program
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Embodiment 1

[0034] like Figure 1 to Figure 5 Electric turbochargers shown, including:

[0035] The exhaust gas turbine 1, the compressor 2 and the motor 3 installed on the same shaft 4, the motor 3 is located in the middle of the exhaust gas turbine 1 and the compressor 2, the motor 3 includes a rotor 31 and a stator 32, the stator is fixedly installed on the engine body, The rotor 31 is installed on the shaft 4, and the shaft 4 between the exhaust gas turbine 1 and the motor 3 and the compressor 2 and the motor 3 is installed with a bearing assembly 5a and a bearing assembly 5b;

[0036] The shaft 4 is formed with a shoulder 41 on the side of the exhaust gas turbine 1, and the a shoulder 41 is fitted with the casing 1b of the exhaust gas turbine 1;

[0037] The bearing assembly 5a, 5b includes a shaft sleeve 01 coaxially sleeved on the shaft, a bearing bush 03 and a bearing shell 05. One end of the shaft sleeve 01 is abutted against and mounted on the side wall of the a shoulder 41, an...

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Abstract

The invention discloses an electric turbocharger. The electric turbocharger comprises a waste gas turbine, a compressor and a motor mounted on the same shaft; the motor is arranged in the middle position between the waste gas turbine and the compressor; the motor comprises a rotor and a stator; the stator is fixedly mounted on an engine body; the rotor is mounted on the shaft; and bearing modulesare mounted on the shaft between the waste gas turbine and the motor and on the shaft between the compressor and the motor. The invention aims to provide the electric turbocharger; and in the electricturbocharger structure, the motor is arranged between the waste gas turbine and the compressor, so that the space utilization rate is increased.

Description

technical field [0001] The invention belongs to the technical field of turbochargers, and in particular relates to an electric turbocharger. Background technique [0002] The main function of the turbocharger is to increase the air intake of the engine, thereby increasing the power and torque of the engine and making the car more powerful. After an engine is equipped with a turbocharger, its maximum power can be increased by 40% or even higher than that without a supercharger. However, turbocharging has hysteresis, and turbocharging needs to intervene when the engine speed is relatively high, so it is necessary to minimize the problem of intervention lag when the existing turbocharging works, so it is necessary to introduce electric turbocharging technology, and the existing turbocharging The bearings installed on the supercharger shaft are of different sizes, the bearings on one side are larger and the bearings on the other side are smaller, which increases the number and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B37/10F02B39/10F02B39/14F02B39/16
CPCF02B37/10F02B39/10F02B39/14F02B39/16Y02T10/12
Inventor 高成钱求索高顺张祥雷方万漂
Owner 滨州高新高端装备制造产业园有限公司
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