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Supercharger turbine with water spraying device

A technology of turbocharger turbine and water spray device, which is applied in the direction of muffler, exhaust device, machine/engine, etc. It can solve the problems of difficult control of waste gas bypass flow, slow valve action, complicated pipeline, etc., and achieve simple structure , small throttling loss, and the effect of reducing the exhaust gas temperature

Inactive Publication Date: 2015-09-16
HARBIN ENG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This solution has advantages and disadvantages. After the valve is opened, it can quickly bypass the exhaust gas and solve the problem of overspeed and overtemperature. However, it also has disadvantages such as complicated pipelines, slow valve action and poor sealing, and difficult control of the exhaust gas bypass volume.

Method used

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  • Supercharger turbine with water spraying device

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Embodiment Construction

[0010] The present invention is described in more detail below in conjunction with accompanying drawing example:

[0011] combine figure 1 , the turbine volute 8 and the turbine inlet 10 are integrated, and the turbine blades 9 and the supercharger shaft 11 are connected together and can rotate in the space formed by the turbine volute 8 . The turbine inlet 10 is equipped with a temperature sensor 12 and a sprinkler 5 , as well as a sprinkler control circuit 1 , a temperature sensor circuit 2 , a sprinkler inlet pipeline 3 , and a cooling water jacket 4 . On the supercharger shaft 11, there is a rotational speed sensor 13 and a supporting rotational speed sensor line 7, and the system central controller 6 is located on the lower left. The main invention is that a water sprayer 5 and temperature Sensor 12, rotational speed sensor 13, and control system, in order to prevent the high temperature of turbine from causing water to be vaporized in advance in the sprinkler, a cooling...

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Abstract

The invention aims at providing a supercharger turbine with a water spraying device. The supercharger turbine comprises a turbine volute, turbine blades and a supercharger shaft. The turbine blades installed on the supercharger shaft are arranged in the turbine volute. A turbine inlet is formed in the turbine volute and provided with a water sprayer. A rotating speed sensor is arranged near the supercharger shaft. The turbine inlet of the turbine volute is provided with a temperature sensor. The water sprayer, the rotating speed sensor and the temperature sensor are connected with a controller. The controller controls the water sprayer to be opened or closed by adjusting whether the signals of the rotating speed sensor and the temperature sensor exceed the limiting value or not. Water is sprayed to the turbine, waste gas temperature is decreased due to the fact that heat is absorbed when water is evaporated, the waste gas power capability is lowered, and the overheat and overspeed changing capacity is improved. The supercharger turbine has the advantages of being simple in structure, easy to control, low in throttling loss and small in change.

Description

technical field [0001] The invention relates to an engine, in particular to a turbocharger of the engine. Background technique [0002] A turbocharger usually works in conjunction with a diesel engine. Exhaust gas from the diesel engine enters the turbine of the supercharger. The exhaust gas expands in the turbine and does work to drive the turbine blades to rotate, thereby driving the compressor blades to rotate through the supercharger shaft. The rotation of the compressor blades will drive the turbine blades to rotate. The gas is compressed, increasing its pressure and density. The diesel engine obtains a higher air intake density than the naturally aspirated air intake, and the intake air volume is larger, so that the power of the diesel engine is greatly increased after the supercharger and the diesel engine are matched. With the development of fluid science and technology, diesel engines are developing towards higher power and liter power, which makes the pressure rat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D5/08F01N3/04
Inventor 王银燕李旭孙永瑞王贺春杨传雷张超陈德富宋贵涛
Owner HARBIN ENG UNIV
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