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Electric auxiliary supercharger structure based on duct-air gap air intake

An electric auxiliary, turbocharger technology, applied in the direction of machines/engines, engine components, mechanical equipment, etc., can solve the problems of difficult heat dissipation of motors, large changes in bearings and lubricating structures, etc., to improve work reliability and reduce cost. Air resistance, the effect of improving heat dissipation conditions

Inactive Publication Date: 2020-04-10
CHINA NORTH ENGINE INST TIANJIN
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Problems solved by technology

The common electric auxiliary supercharger adopts the structure of the motor in the middle, and the overall structure is compact, but the disadvantage is that the bearing and lubrication structure of the original turbocharger have been greatly changed, and the heat dissipation of the motor is difficult

Method used

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  • Electric auxiliary supercharger structure based on duct-air gap air intake
  • Electric auxiliary supercharger structure based on duct-air gap air intake
  • Electric auxiliary supercharger structure based on duct-air gap air intake

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Embodiment Construction

[0019] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0020] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "front", "rear", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for It is convenient to describe the present invention and simplify the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the present invention.

[0021] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can...

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Abstract

The invention provides an electric auxiliary turbocharger structure based on duct-air gap air intake. The structure mainly comprises a bearing seat, a motor with a large air gap, an air compressor volute with a duct, an air compressor impeller, an intermediate body and a turbine, the motor is mainly composed of a stator and a rotor, the bearing seat is connected with an inlet section of the air compressor volute, the front end of the motor rotor is provided with a bearing and matched with the bearing seat, the rear end of the motor rotor is coaxially connected with a rotating shaft of the turbocharger, and the motor stator is in interference fit with the inner wall of the inlet section of the air compressor volute. The motor is mounted in front of an inlet of an air compressor; the air inlet requirement of the air compressor is met through the duct and the air gap, the motor is far away from a turbine heat source, the heat dissipation condition is improved, the working reliability of the motor is improved, in addition, the motor can be additionally arranged on a traditional turbocharger only by changing the air compressor volute and a turbine rotating shaft, and the electric auxiliary turbocharger is formed. Airflow flowing through the duct and the air gap further solves the heat dissipation problem of the motor.

Description

technical field [0001] The invention belongs to the technical field of electric auxiliary turbocharging, and in particular relates to an electric auxiliary supercharger structure based on duct-air-gap intake. Background technique [0002] The requirements for low-speed torque and transient response of contemporary internal combustion engines continue to increase, and traditional turbocharging technology is developing into electric-assisted supercharging technology based on high-speed motors. The common electric-assisted supercharger adopts the structure of the motor in the middle, and the overall structure is compact, but the disadvantage is that the bearing and lubrication structure of the original turbocharger have been greatly changed, and the heat dissipation of the motor is difficult. Therefore, there is a need for an electrically assisted turbocharger structure, which facilitates electrification of traditional turbochargers and solves the heat dissipation problem of hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B39/10F02B39/00F02B33/40
CPCF02B33/40F02B39/005F02B39/10
Inventor 丁占铭程振宇王翠翠王云冲沈建新
Owner CHINA NORTH ENGINE INST TIANJIN
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