Motor used for turbocharger

A technology of turbocharger and motor used in electric components, electrical components, electromechanical devices, etc., can solve the problem of not finding research reports on permanent magnet fixation, and achieve the goal of improving low-speed boosting effect and improving fuel efficiency. Effect

Active Publication Date: 2016-06-15
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] At present, the applicant has not yet retrieved research reports on fixing the permanent magnet on the side of the turbocharger and away from the exhaust gas turbine

Method used

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  • Motor used for turbocharger
  • Motor used for turbocharger
  • Motor used for turbocharger

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specific Embodiment approach

[0043] The invention will be described in further detail below in conjunction with the accompanying drawings.

[0044] figure 1 It is a longitudinal sectional view of a turbocharger motor of the present invention.

[0045] A motor for a turbocharger consists of a shaft (1), an exhaust gas turbine (2), an exhaust gas turbine casing (3), a motor casing (4), a rotor core (5), an armature winding (6), and a stator core (7) , a permanent magnet (8), a turbocharger casing (9) and a turbocharger (10);

[0046] Both ends of the shaft (1) are respectively fixed with an exhaust gas turbine (2) and a turbocharger (10), and the middle of the shaft (1) is fixed with a disc-shaped rotor core (5);

[0047] The rotor core (5) has rotor poles protruding axially on one axial end surface; the rotor poles are fan-shaped;

[0048]Between the rotor pole and the motor housing (4) is a disc-shaped stator core (7), the stator core (7) is fixed on the inner wall of the motor housing (4); the stator ...

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Abstract

The invention provides a motor used for a turbocharger. The motor is composed of a shaft, an exhaust turbine, an exhaust turbine shell, a motor shell, a rotor iron core, armature windings, a stator iron core, permanent magnets, a charging turbine shell and a charging turbine. The exhaust turbine and the charging turbine are respectively fixed at the two ends of the shaft. The disc rotor iron core is fixed in the middle of the shaft. One end surface of the rotor iron core is provided with rotor poles which are convex along an axial direction. The stator iron core is fixed at the internal wall of the motor shell. The end surface, which faces the rotor iron core, of the stator iron core is provided with stator poles which are convex along the axial direction. The armature windings are wound on the stator poles. One permanent magnet is embedded in the stator iron core of the internal side of a circumference formed by every three stator poles. The rotor of the technology has no permanent magnet or excitation winding and can be suitable for the high-temperature and high-speed working environment of the exhaust turbine; the permanent magnets and the armature windings are arranged on the stator and favorable for concentrated heat radiation; and motor used for the turbocharger can be used as an electric motor to realize turbocharging and can also be used as a power generator to recycle waste energy.

Description

technical field [0001] The invention relates to a motor for a turbocharger, which belongs to the technical field of automobile electric appliances. Background technique [0002] At present, the thermal efficiency of most engines is below 35%. The high-temperature and high-pressure exhaust gas emitted by the engine takes away 40% of the heat energy of the fuel. Most engines cannot effectively use this energy. The exhaust gas turbocharging device realizes the utilization of part of the kinetic energy of the exhaust gas, improves the fuel utilization rate of the engine, and is currently being used more and more widely. [0003] In addition, the exhaust gas turbocharging device has a certain time-lag effect, that is, its speed is low when the engine is just started, and it cannot effectively provide supercharging. Only when the engine speed reaches 2000 rpm, the supercharging effect is more obvious. Therefore, adding an electric motor to the exhaust gas turbine and rapidly inc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/14H02K1/17H02K1/24H02K7/18
CPCH02K1/14H02K1/17H02K1/24H02K7/1823
Inventor 史立伟马永坤章振浩张学义马良李金浩聂秀吉
Owner SHANDONG UNIV OF TECH
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