CN109404096B - Engine exhaust multilayer heat balance system - Google Patents

Engine exhaust multilayer heat balance system Download PDF

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Publication number
CN109404096B
CN109404096B CN201811503344.9A CN201811503344A CN109404096B CN 109404096 B CN109404096 B CN 109404096B CN 201811503344 A CN201811503344 A CN 201811503344A CN 109404096 B CN109404096 B CN 109404096B
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Prior art keywords
exhaust pipe
layers
engine
exhaust
layer
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CN201811503344.9A
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Chinese (zh)
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CN109404096A (en
Inventor
黄永仲
沈捷
黄第云
唐克远
李伟
毛平安
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Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
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Priority to CN201811503344.9A priority Critical patent/CN109404096B/en
Publication of CN109404096A publication Critical patent/CN109404096A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
    • F01N3/043—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids without contact between liquid and exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
    • F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
    • F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
    • F02M31/06—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot gases, e.g. by mixing cold and hot air
    • F02M31/08—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot gases, e.g. by mixing cold and hot air the gases being exhaust gases

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Silencers (AREA)

Abstract

The invention discloses a kind of engine exhaust multilayer heat balance systems.The engine exhaust multilayer heat balance system includes: exhaust pipe；One layer of cooling component of exhaust pipe includes: one layer of package cavity of exhaust pipe, one layer of flow valve and one layer of temperature control valve (TCV), and one layer of package cavity of the exhaust pipe is connected to the cooling system of engine；Two layers of cooling component of exhaust pipe include: two layers of package cavity of exhaust pipe, two layers of flow valve and two layers of temperature control valve (TCV), and two layers of package cavity of the exhaust pipe are connected to the lubricating system of engine；And three layers of cooling component of exhaust pipe include: three layers of package cavity of exhaust pipe, three layers of flow valve and three layers of temperature control valve (TCV), three layers of package cavity of the exhaust pipe are connected to the air-taking system of engine.The engine exhaust multilayer heat balance system can complete the regulation to lubricating system, air manager system, after-treatment system, cooling system, realize the thermal balance of the circulations such as air, machine oil, water.

Description

Engine exhaust multilayer heat balance system
Technical field
The present invention relates to engine arts, especially with regard to a kind of engine exhaust multilayer heat balance system.
Background technique
It is well known that high temperature, high pressure exhaust gas need to collect by exhaust pipe the machine that heel row goes out engine when internal combustion engine In vitro, for exhaust gas turbocharger type, the exhaust gas being discharged through exhaust pipe also needs the turbine acting band dynamic pressure to booster Mechanism of qi compressed air provides the air inlet of fresh enough charges for internal combustion engine.In order to avoid exhaust pipe surface temperature is excessively high, cause The appearance of influence to surrounding components or article, usual exhaust pipe is thermally shielded using lapping, cover plate, or uses water Cold type exhaust insulation, but cause the waste of engine exhaust heat.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of simple and reasonable engine exhaust multilayer heat balance systems, this starts Machine exhaust multilayer heat balance system can be realized exhaust and cooling medium and carry out heat exchange, and temperature to machine oil, empty gas and water and Flow carries out closed-loop control, completes the regulation to lubricating system, air manager system, after-treatment system, cooling system, realizes empty The thermal balance of the circulations such as gas, machine oil, water.
To achieve the above object, the present invention provides a kind of engine exhaust multilayer heat balance systems, comprising: exhaust pipe； One layer of cooling component of exhaust pipe, is wrapped in the outside of the exhaust pipe, and one layer of cooling component of the exhaust pipe includes: exhaust pipe one Layer package cavity, one layer of flow valve and one layer of temperature control valve (TCV), the cooling system of one layer of the exhaust pipe package cavity and engine System connection carries out heat exchange from the water intaking of the cooling water cavity of engine and the exhaust of exhaust pipe；Two layers of cooling component of exhaust pipe, packet It is rolled in the outside of one layer of exhaust pipe package cavity of one layer of cooling component of exhaust pipe, two layers of cooling component packet of the exhaust pipe Include: two layers of package cavity of exhaust pipe, two layers of flow valve and two layers of temperature control valve (TCV), two layers of package cavity of the exhaust pipe with start The lubricating system of machine is connected to, and takes oil and the exhaust of exhaust pipe to carry out heat exchange from the lubricating system of engine；And exhaust pipe three Layer cooling component is wrapped in the outside of two layers of exhaust pipe package cavity of two layers of cooling component of exhaust pipe, the exhaust pipe Three layers of cooling component include: three layers of package cavity of exhaust pipe, three layers of flow valve and three layers of temperature control valve (TCV), three layers of the exhaust pipe Package cavity is connected to the air-taking system of engine, takes the exhaust of gas and exhaust pipe to carry out heat exchange from air-taking system.
In a preferred embodiment, the air-taking system of engine includes: air manager system and after-treatment system.
In a preferred embodiment, three layers of package cavity of exhaust pipe take when gas from intercooler be followed by into.
In a preferred embodiment, the downstream of exhaust pipe is provided with after-treatment system.
In a preferred embodiment, three layers of cooling component of two layers of cooling component of exhaust pipe and exhaust pipe are able to carry out position Set exchange.
In a preferred embodiment, the temperature rise control range of one layer of temperature control valve (TCV) is 10-20 degree；Two layers of temperature The temperature rise control range for spending regulating valve is 5-10 degree；The current difference control range of one layer of flow valve and two layers of flow valve is 10%-20%.
Compared with prior art, engine exhaust multilayer heat balance system according to the present invention has the following beneficial effects: The engine exhaust multilayer heat balance system can be realized exhaust and cooling medium and carries out heat exchange, and to machine oil, empty gas and water Temperature and flow carry out closed-loop control, complete the regulation to lubricating system, air manager system, after-treatment system, cooling system, Realize the thermal balance of the circulations such as air, machine oil, water.
1, the engine exhaust multilayer heat balance system can be realized exhaust and cooling medium carries out heat exchange, cooling medium Exhaust pipe is cooled down.
2, when idling or damage, the higher exhaust of temperature rapidly heats machine oil, realizes in engine The oil film that portion respectively moves supplementary bearing is formed.
3, after three layers or two layers cooling of the engine exhaust multilayer heat balance system, the temperature that exhaust enters booster has Effect reduces.The temperature of booster is reduced, it is beneficial to the reliability of booster.
4, the air themperature of the engine exhaust multilayer heat balance system centering cooler is heated, to raising boosting capability It is beneficial with the thermal efficiency of engine.
5, when engine is when cold snap is run, the thermal current of exhaust pipe can carry out air continuing heat preservation. Activated catalyst is conducive in suitable temperature to the air temperature control of post-processing simultaneously, is conducive to improve after-treatment system Conversion ratio.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of engine exhaust multilayer heat balance system according to an embodiment of the present invention.
Fig. 2 is exhaust pipe the first section view knot of engine exhaust multilayer heat balance system according to an embodiment of the present invention Structure schematic diagram.
Fig. 3 is exhaust pipe the second section view knot of engine exhaust multilayer heat balance system according to an embodiment of the present invention Structure schematic diagram.
Fig. 4 is the exhaust pipe third section view knot of engine exhaust multilayer heat balance system according to an embodiment of the present invention Structure schematic diagram.
Fig. 5 is the 4th section view knot of exhaust pipe of engine exhaust multilayer heat balance system according to an embodiment of the present invention Structure schematic diagram.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members Part or other component parts.
As shown in Figure 1, the specific structure of engine exhaust multilayer heat balance system according to the preferred embodiment of the present invention It include: three layers of exhaust pipe 1, one layer of cooling component of exhaust pipe, two layers of cooling component of exhaust pipe and exhaust pipe cooling component.Wherein, Three layers of one layer of cooling component of exhaust pipe, two layers of cooling component of exhaust pipe and exhaust pipe cooling component are wrapped in exhaust pipe 1 respectively Outside, one layer of cooling component of exhaust pipe are connected to the cooling system of engine, the profit of exhaust pipe two layers of cooling component and engine Sliding system connectivity, three layers of cooling component of exhaust pipe are connected to the air manager system of engine and after-treatment system, with the row of realization Exhaust and cooling medium in tracheae 1 carry out heat exchange, and temperature and flow progress closed-loop control to machine oil, empty gas and water, complete The regulation of pairs of lubricating system, air manager system, after-treatment system, cooling system, realizes the circulations such as air, machine oil, water Thermal balance.
Specifically, as shown in Figures 2 to 5, exhaust pipe 1 is a part of engine exhaust system, generally control hair The triple-effect catalytic unit of motivation pollutant emission is also mounted in exhaust system.
One layer of cooling component of exhaust pipe is wrapped in the outside of exhaust pipe 1 comprising: one layer of 2, one layers of package cavity of exhaust pipe Flow valve and one layer of temperature control valve (TCV), wherein one layer of exhaust pipe package cavity 2 is connected to the cooling system of engine, from starting The cooling water cavity water intaking of machine and the exhaust of exhaust pipe 1 carry out heat exchange, cool down to exhaust pipe, while exhaust is entered and is increased The temperature of depressor is effectively reduced, and reduces to the temperature of booster, beneficial to the reliability of booster.One layer of flow valve and One layer of temperature control valve (TCV) is laid in the communication paths of the cooling system of one layer of exhaust pipe package cavity 2 and engine, to starting The flow and temperature of the cooling water of machine cooling system carry out closed-loop control, complete the regulation to engine-cooling system, realize heat Balance.
Two layers of cooling component of exhaust pipe are wrapped in the outer of one layer of exhaust pipe package cavity 2 of one layer of cooling component of exhaust pipe Side comprising: exhaust pipe two layers of package cavity, 3, two layers of flow valve and two layers of temperature control valve (TCV), wherein two layers of exhaust pipe package Cavity 3 is connected to the lubricating system of engine, takes oil and the exhaust of exhaust pipe 1 to carry out heat exchange from the lubricating system of engine, Exhaust pipe is cooled down, while when idling or damage, the higher exhaust of temperature rapidly heats machine oil, real The oil film that existing engine interior respectively moves supplementary bearing is formed.Two layers of flow valve and two layers of temperature control valve (TCV) are laid in two layers of exhaust pipe In the communication paths for wrapping up the lubricating system of cavity 3 and engine, to the flow and temperature of the lubricating oil of engine lubrication system Closed-loop control is carried out, the regulation to engine lubrication system is completed, realizes thermal balance.
Three layers of cooling component of exhaust pipe are wrapped in the outer of two layers of exhaust pipe package cavity 3 of two layers of cooling component of exhaust pipe Side comprising: exhaust pipe three layers of package cavity, 4, three layers of flow valve and three layers of temperature control valve (TCV), wherein three layers of exhaust pipe package Cavity 4 is connected to the air manager system of engine and after-treatment system, and air and exhaust are accessed after the intercooler of engine The exhaust of pipe 1 carries out heat exchange, cools down to exhaust pipe, while the exhaust of exhaust pipe 1 carries out the air themperature of intercooler Heating is beneficial to the thermal efficiency for improving boosting capability and engine.When engine cold snap run when, exhaust pipe Thermal current air can be carried out continue heat preservation.The air temperature control of post-processing is conducive in suitable temperature simultaneously Activated catalyst is conducive to the conversion ratio for improving after-treatment system.Three layers of flow valve and three layers of temperature control valve (TCV) are laid in exhaust In the communication paths of the air manager system and after-treatment system of three layers of pipe package cavity 4 and engine, to engine air Reason system and the air mass flow and temperature of after-treatment system carry out closed-loop control, complete to engine air management system and rear place Thermal balance is realized in the regulation of reason system.
Preferably, three layers of cooling of two layers of cooling component of the exhaust pipe of the engine exhaust multilayer heat balance system and exhaust pipe Component can carry out location swap.
Preferably, the temperature rise control range of one layer of temperature control valve (TCV) is 10-20 degree (temperature difference of water inlet and water outlet)； The temperature rise control range of two layers of temperature control valve (TCV) is 5-10 degree (temperature difference of oil inlet and outlet)；One layer of flow valve and two layers The current difference control range of flow valve is 10%-20% or so (current difference of import and outlet), and the flow velocity of air is cured fastlyer It is good.
To sum up, which can be realized exhaust and cooling medium carries out heat exchange, and right Machine oil, the temperature of empty gas and water and flow carry out closed-loop control, complete to lubricating system, air manager system, after-treatment system, The thermal balance of the circulations such as air, machine oil, water is realized in the regulation of cooling system.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (6)

1. a kind of engine exhaust multilayer heat balance system characterized by comprising
Exhaust pipe；
One layer of cooling component of exhaust pipe, is wrapped in the outside of the exhaust pipe, and one layer of cooling component of the exhaust pipe includes: exhaust One layer of package cavity of pipe, one layer of flow valve and one layer of temperature control valve (TCV), one layer of the exhaust pipe package cavity and engine it is cold But system connectivity carries out heat exchange from the water intaking of the cooling water cavity of engine and the exhaust of exhaust pipe；
Two layers of cooling component of exhaust pipe are wrapped in the outer of one layer of exhaust pipe package cavity of one layer of cooling component of exhaust pipe Side, two layers of cooling component of the exhaust pipe include: two layers of package cavity of exhaust pipe, two layers of flow valve and two layers of temperature control valve (TCV), institute It states two layers of exhaust pipe package cavity to be connected to the lubricating system of engine, the row of oil with exhaust pipe is taken from the lubricating system of engine Gas carries out heat exchange；And
Three layers of cooling component of exhaust pipe are wrapped in the outer of two layers of exhaust pipe package cavity of two layers of cooling component of exhaust pipe Side, three layers of cooling component of the exhaust pipe include: three layers of package cavity of exhaust pipe, three layers of flow valve and three layers of temperature control valve (TCV), institute It states three layers of exhaust pipe package cavity to be connected to the air-taking system of engine, takes the exhaust of gas and exhaust pipe to carry out heat from air-taking system Exchange.
2. engine exhaust multilayer heat balance system as described in claim 1, which is characterized in that the engine takes gas system System includes: air manager system and after-treatment system.
3. engine exhaust multilayer heat balance system as claimed in claim 2, which is characterized in that three layers of exhaust pipe package Cavity take when gas from intercooler be followed by into.
4. engine exhaust multilayer heat balance system as described in claim 1, which is characterized in that the downstream of the exhaust pipe is set It is equipped with after-treatment system.
5. engine exhaust multilayer heat balance system as described in claim 1, which is characterized in that two layers of cooling of the exhaust pipe Three layers of cooling component of component and exhaust pipe are able to carry out location swap.
6. engine exhaust multilayer heat balance system as described in claim 1, which is characterized in that one layer of temperature control valve (TCV) Temperature rise control range be 10-20 degree；The temperature rise control range of two layers of temperature control valve (TCV) is 5-10 degree；The one laminar flow amount The current difference control range of valve and two layers of flow valve is 10%-20%.
CN201811503344.9A 2018-12-10 2018-12-10 Engine exhaust multilayer heat balance system Active CN109404096B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112502820B (en) * 2020-12-21 2024-10-11 广西玉柴船电动力有限公司 Sectional type water-cooling blast pipe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2901599A1 (en) * 2006-05-23 2007-11-30 Renault Sas Heat exchanger e.g. counter flow heat exchanger, for e.g. diesel engine of motor vehicle, has exchange element whose thermal conductance can be modified, and two fins respectively arranged on external surface and internal surface of walls
CN102086821A (en) * 2009-12-04 2011-06-08 现代自动车株式会社 Exhaust heat recovery device
EP2733322A1 (en) * 2012-11-15 2014-05-21 Magneti Marelli S.p.A. Exhaust gas heat exchanger with thermal energy recovery for an exhaust system of an internal combustion engine
CN106523110A (en) * 2016-01-06 2017-03-22 普创新能源动力科技有限公司 Water-cooling exhaust pipe for natural gas engine not for vehicle
CN207647584U (en) * 2017-10-26 2018-07-24 江苏东方康弛机电科技有限公司 A kind of multi-cylinder diesel engine water-cooling exhaust pipe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209067315U (en) * 2018-12-10 2019-07-05 广西玉柴机器股份有限公司 Engine exhaust multilayer heat balance system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2901599A1 (en) * 2006-05-23 2007-11-30 Renault Sas Heat exchanger e.g. counter flow heat exchanger, for e.g. diesel engine of motor vehicle, has exchange element whose thermal conductance can be modified, and two fins respectively arranged on external surface and internal surface of walls
CN102086821A (en) * 2009-12-04 2011-06-08 现代自动车株式会社 Exhaust heat recovery device
EP2733322A1 (en) * 2012-11-15 2014-05-21 Magneti Marelli S.p.A. Exhaust gas heat exchanger with thermal energy recovery for an exhaust system of an internal combustion engine
CN106523110A (en) * 2016-01-06 2017-03-22 普创新能源动力科技有限公司 Water-cooling exhaust pipe for natural gas engine not for vehicle
CN207647584U (en) * 2017-10-26 2018-07-24 江苏东方康弛机电科技有限公司 A kind of multi-cylinder diesel engine water-cooling exhaust pipe

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