A turbocharged generator

A power generation device and turbocharging technology, which is applied to combustion engines, machines/engines, internal combustion piston engines, etc., can solve the problems of high tank fill rate and difficult heat dissipation, and achieve reduced tank fill rate, fewer rotor poles, and durability The effect of high temperature

Active Publication Date: 2016-04-06
SHANDONG UNIV OF TECH
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Problems solved by technology

The invention patent with the application number 200910133401.3: Exhaust gas driven double salient pole generator discloses an exhaust gas driven double salient pole generator. Its structure adopts a typical double salient pole motor structure. Both the permanent magnet and the permanent magnet are located in the slot, so the slot fullness rate is high and heat dissipation is difficult, and the application does not involve the corresponding technology combined with exhaust gas turbocharging

Method used

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  • A turbocharged generator
  • A turbocharged generator
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Embodiment Construction

[0026] Such as figure 1 A turbocharged power generation device shown includes a casing, a bearing, a stator, a controller, and a rotor composed of an exhaust turbine, an intake turbine, a shaft, and a rotor core. The intake turbine, exhaust turbine, and rotor core are fixed on a shaft, and the shaft is fixed on the casing through bearings, and the bearings on both sides are combined sliding bearings lubricated by machine oil, which can not only realize radial support, but also Achieve axial support. This kind of bearing can use the pressure of engine oil to support the rotating parts, so that the shaft and the hole do not contact, realize non-contact rotation, and have large bearing capacity and high speed.

[0027] When the turbocharger generator is working normally, the exhaust turbine drives the rotor to rotate. When the engine is just started, the rotor speed is low, and the turbocharger generator can be used as an electric motor to rapidly increase the turbocharger turbi...

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Abstract

The invention provides a turbine boosting and generating device. The turbine boosting and generating device comprises a shell, a bearing, a stator, a controller and a rotor, wherein the rotor comprises a gas exhaust turbine, a gas inlet turbine, a shaft and a rotor iron core; and waste gas discharged by an engine drives the gas exhaust turbine and then drives coaxial gas inlet turbine and the rotor iron core to rotate and realize boosting and generation of the supplied gas. The rotor iron core is a four-pole salient pole type structure without excitation source, so that the rotor iron core can be adaptive to high-speed rotation of a waste gas turbine; the rotor is few in poles, small in radial size, quick in response speed, simple in structure and high temperature-resistant; part of an exciting winding winds outwards, so that a good cooling effect is achieved; a generating device is capable of worming in a gas exhaust pipe with high temperatures; and the generating device can be switched to a motor in operation, so that the boosting effect when the engine is in low speed can be improved.

Description

technical field [0001] The invention relates to a turbocharger power generation device, which belongs to the technical field of automobile motors. Background technique [0002] At present, the high-temperature and high-pressure exhaust gas emitted by the engine takes away about 40% of the thermal energy of the fuel, and 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] However, 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 increasing the turbine speed at startup can sign...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B37/11F02B41/10F01D15/10H02K3/28H02K1/24
CPCY02T10/12
Inventor 史立伟张学义臧利国
Owner SHANDONG UNIV OF TECH
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