Method and device to convert the heat energy of internal combustion engine exhaust into electric energy

A heat energy conversion, internal combustion engine technology, applied in exhaust devices, internal combustion piston engines, thermoelectric devices, etc., can solve problems such as unusability

Inactive Publication Date: 2003-09-10
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY +1
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  • Abstract
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AI Technical Summary

Problems solved by technology

Due to factors such as the increase of exhaust resistance caused by turbocharging, its application is limited to a certain extent; and lithium bromide thermal refrigeration on internal combustion engines cannot be used in driving cars due to its strict requirements on mechanical vibration and other factors.

Method used

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  • Method and device to convert the heat energy of internal combustion engine exhaust into electric energy
  • Method and device to convert the heat energy of internal combustion engine exhaust into electric energy

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Embodiment Construction

[0009] The present invention is further explained as follows with reference to accompanying drawing in conjunction with specific embodiment:

[0010] A method and device for converting the exhaust heat energy of an automobile internal combustion engine into electric energy. The method collects and concentrates the exhaust heat energy of the automobile internal combustion engine, and then converts this part of heat energy into electric energy through a heat energy / electric energy conversion device for utilization, so as to improve the efficiency of the internal combustion engine. The fuel utilization rate is high, so as to save energy and reduce exhaust pollution.

[0011] A device for converting exhaust heat energy of an automobile internal combustion engine into electric energy, its principle and structure refer to the attached figure 1 , it is composed of a semiconductor thermoelectric effect device to form a thermoelectric converter [3], one side of the thermoelectric conve...

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Abstract

The heat energy of internal combustion engine exhaust is collected and converted into electric energy in a heat energy / electric energy converter. The heat energy / electric energy converter comprises mainly a semiconductor device with thermoelectric effect. The heat energy / electric energy converter is connected to one cooler on its one side and heat energy exhanging and collecting unit on the other side; the cooler is connected to heat radiator via pipe; the heat energy / electric energy converter has one exhaust heat energy inlet pipe at its one end and waste gas exhausting pipe at the other end; and the thermoelectric converter is connected with an electric energy storage. The present invention can collect the exhaust heat energy and convert it into electric energy and may be used to replace available automobile or ship electric generator probably.

Description

Technical field: [0001] The invention relates to a method and a device for converting heat energy into electric energy, in particular to a method and a device for converting exhaust heat energy of an internal combustion engine into electric energy. Background technique: [0002] Automobiles have become a widely used means of transportation. Existing automobiles basically use internal combustion engines as power. At present, countries all over the world have invested a lot of manpower, material and financial resources to study how to reduce emissions and fuel consumption of internal combustion engines. But from the current technical point of view, although the invention of the internal combustion engine has a history of more than 100 years, its fuel utilization rate is still only 40%. At the same time, about 40% of the fuel can be discharged from the exhaust pipe in the form of heat. This will not only cause a lot of fuel waste, but also bring a lot of exhaust pollution and i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N5/02H01L35/00H01L37/00
CPCY02T10/16Y02T10/12
Inventor 袁翔陈晓晖
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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