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Exhaust heat recovery system

A technology for waste heat recovery and exhaust gas, which is applied in heat exchangers, indirect heat exchangers, heat exchanger types, etc., and can solve the problems of large waste heat recovery devices and increased quantity.

Active Publication Date: 2019-06-21
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in general, since an exhaust heat recovery system integrating various types of exhaust heat recovery devices with each other has not been developed, the ratio of the exhaust heat recovery device to the total volume of the vehicle is too large, and the amount of time used to install the exhaust heat recovery device The number of components (e.g., valves required to switch the flow path of exhaust gas) increases dramatically

Method used

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Embodiment Construction

[0020] It should be understood that the term "vehicle" or "vehicular" or other similar terms as used herein includes motor vehicles in general, such as motor vehicles including sports utility vehicles (SUVs), passenger cars, vans, various commercial vehicles Passenger vehicles, watercraft including various boats and ships, and aircraft, etc., and including hybrid vehicles, electric vehicles, internal combustion vehicles, plug-in hybrid electric vehicles, hydrogen-powered vehicles and other alternative fuel vehicles ( For example, fuels derived from sources other than petroleum).

[0021] Although the exemplary embodiments are described as using a plurality of units to perform the exemplary process, it should be understood that the exemplary process may also be performed by one or more modules. Additionally, it will be understood that the term controller / control unit refers to a hardware device including a memory and a processor. The memory is configured to store modules, and ...

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Abstract

An exhaust heat recovery system is provided. The system includes a branch pipe that has branch fluid passages that are formed to be connected with an exhaust gas source emitting emit exhaust gas. a valve at least partially opens or closes the branch fluid passages to selectively introduce the exhaust gas into at least one of the branch fluid passages. Additionally, a thermoelectric module performsthermoelectric power generation by selectively using exhaust heat of the exhaust gas passing through a specific branch fluid passage of the branch fluid passages.

Description

[0001] Cross References to Related Applications [0002] This application is based on and claims the benefit of priority from Korean Patent Application No. 10-2017-0170439 filed with the Korean Intellectual Property Office on December 12, 2017, the entire contents of which are incorporated herein by reference. technical field [0003] The present disclosure relates to a waste heat recovery system, and more particularly, to a waste heat recovery system that provides an improved and more compact structure. Background technique [0004] In general, waste heat of exhaust gas discharged from an engine of a vehicle is regarded as unnecessary heat, in other words, waste heat has a low utilization value and is discharged into the air. The waste heat of exhaust gas is a large amount of energy, accounting for about 30% of the total calorific value of fuel, and its utilization value gradually increases. Therefore, various types of waste heat recovery devices have been used recently, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N5/02
CPCF01N5/025F28D2021/008F28D21/0003F28F2210/02F28F2250/00F28F27/02Y02T10/12H10N10/13F02G5/02F01N2240/02F01N2470/08
Inventor 金炳旭李后聃郭真佑
Owner HYUNDAI MOTOR CO LTD
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