CN113464325A - Novel EGR cooler - Google Patents
Novel EGR cooler Download PDFInfo
- Publication number
- CN113464325A CN113464325A CN202110904509.9A CN202110904509A CN113464325A CN 113464325 A CN113464325 A CN 113464325A CN 202110904509 A CN202110904509 A CN 202110904509A CN 113464325 A CN113464325 A CN 113464325A
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- China
- Prior art keywords
- egr cooler
- egr
- exhaust gas
- valve
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000000110 cooling liquid Substances 0.000 claims abstract description 20
- 239000002826 coolant Substances 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 238000004939 coking Methods 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 42
- 238000002485 combustion reaction Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000011217 control strategy Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
- F02M26/30—Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/33—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage controlling the temperature of the recirculated gases
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/45—Sensors specially adapted for EGR systems
- F02M26/46—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition
- F02M26/47—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition the characteristics being temperatures, pressures or flow rates
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Analytical Chemistry (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The invention discloses a novel EGR cooler, which comprises an EGR cooler component, an electric EGR valve component, a temperature feedback component and a cooling liquid flow regulating component, wherein the EGR cooler component is arranged on the electric EGR valve component; the EGR cooler assembly comprises an EGR cooler body, wherein the EGR cooler body comprises a water inlet pipe, a water outlet pipe, an exhaust gas inlet and an exhaust gas outlet. This kind of novel EGR cooler, through before EGR cooler body coolant liquid intake, set up a flow control water valve, and simultaneously, be provided with temperature sensor on the disk seat, in time feed back exhaust gas temperature data signal to engine ECU, thereby according to the flow size of exhaust gas temperature control flow control water valve, flow control is accurate high, exhaust gas temperature control after the cooling is in more invariable regional scope, can effectually degrade the carbon deposit, the formation of coking, promote the durable reliability of use of EGR valve module and EGR cooler subassembly, and, can be through the temperature of adjustment engine ECU adjustment control, can constantly adjust the optimization at the operating mode point of difference.
Description
Technical Field
The invention relates to the technical field of automobile engines, in particular to a novel EGR cooler.
Background
The principle of the exhaust gas recirculation system is that a part of high-temperature exhaust gas discharged by an engine is cooled and then mixed with air filtered fresh air, and then the mixture is introduced into an air inlet system for re-combustion, so that the combustion performance is improved, the generation and waste emission of NOx in the exhaust gas of the engine are reduced, the exhaust gas recirculation system is the most common technical circuit of six light engines in China, but the fault frequency of an EGR valve and a cooler is too high, and the problem is also the common problem at present.
The EGR cooler is a very important part in an engine post-processing system, the design and development are input by taking the exhaust temperature requirement of the engine at the rated rotating speed and the rated torque as the design input, but in the actual use process of a finished automobile, various working conditions can occur in a low-speed low-load area due to different conditions of loads, road conditions and the like, and because the EGR cooler is of a linear physical characteristic structure, if the temperature after rated cooling is low, the temperature of the low-speed low-load area section is lower, the problems of carbon deposition and coking of the cooler and the EGR valve are easily caused, so the exhaust of the engine and the working stability of the whole post-processing system are influenced. A water flow control valve is added in the design process of an EGR system, and the flow of cooling liquid is adjusted through an engine ECU according to the temperature fed back from the EGR cooler, so that the heat balance of waste gas and the cooling liquid is stable in a certain temperature area, the problem after cooling is properly solved, carbon deposition is effectively prevented from being blocked, and the after-sale market problems of the EGR valve and the cooler are reduced.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme: a novel EGR cooler comprises an EGR cooler assembly, an electric EGR valve assembly, a temperature feedback assembly and a cooling liquid flow regulating assembly;
the electric EGR valve component comprises an EGR valve and a valve seat, the valve seat comprises a cooler interface, a valve body interface and an exhaust gas outlet interface, the valve body is fixed with the valve seat through the valve body interface, the cooler interface and the exhaust gas outlet are fixed through bolts, and the exhaust gas outlet interface is communicated with an EGR pipe on the engine;
EGR cooler subassembly includes EGR cooler body, EGR cooler body includes inlet tube, outlet pipe, exhaust gas import and exhaust outlet, exhaust gas import and engine gas vent are connected, the inlet tube with the outlet pipe communicates each other, and is in the inside coolant liquid circulation passageway that forms of EGR cooler body.
Preferably, coolant liquid flow control subassembly includes the flow control water valve, and is provided with the chip sensor on the flow control water valve, the flow control water valve includes feed pipe, first outlet pipe and second outlet pipe, and fixedly connected with connecting pipe between second outlet pipe and the inlet tube.
Preferably, the temperature feedback assembly comprises a temperature sensor interface arranged on the side wall of the valve seat, and a temperature sensor is arranged in the temperature sensor interface.
Preferably, the temperature sensor interface is arranged below the exhaust gas outlet interface.
Preferably, the EGR cooler body is a fin-and-plate cooler.
Preferably, a sealing gasket is arranged between the cooler interface and the exhaust gas outlet.
Preferably, the liquid outlet pipe is arranged in an L shape.
Preferably, the exhaust gas outlet interface is arranged in an oblique angle.
Preferably, the novel EGR cooler further comprises an engine ECU, and the chip sensor, the electric EGR valve assembly and the temperature sensor are all electrically connected with the engine ECU.
Preferably, the coolant flow adjusting assembly comprises an electronic water pump, a connecting pipe is fixedly connected between the electronic water pump and the water inlet pipe, and a flow adjusting valve controlled by an engine ECU is arranged on the electronic water pump.
The technical scheme provided by the invention has the beneficial effects that:
the novel EGR cooler of the invention has advanced control technology by arranging a flow control water valve before the cooling liquid of the EGR cooler enters water, the flow valve is provided with a chip sensor, and simultaneously, a temperature sensor is arranged on a valve seat to feed back an exhaust gas temperature data signal to an engine ECU in time, thereby controlling the flow of the flow control water valve according to the exhaust gas temperature, having high flow control precision, simultaneously, the flow control water valve adopts a three-way mode, the redundant flow of the cooling liquid is shunted away, the cooled exhaust gas temperature is controlled in a relatively constant region range, the formation of carbon deposition and coking can be effectively degraded, the use durability and reliability of the EGR valve component and the EGR cooler component are improved, and the temperature can be adjusted and controlled by adjusting the engine ECU, the continuous adjustment and optimization can be realized at different working condition points, and the control strategy of the engine ECU is optimized for control, the engine is more intelligent, is applied to engines with more discharge capacities, and has stronger universality.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an exploded view of the present invention.
In the figure: 101. an EGR cooler body; 102. an exhaust gas inlet; 103. a water outlet pipe; 104. a water inlet pipe; 105. an exhaust gas outlet; 201. an EGR valve; 202. a valve seat; 203. a cooler interface; 204. a valve body interface; 205. an exhaust gas outlet interface; 3. an engine ECU; 401. a flow control water valve; 402. a liquid supply tube; 403. a first water outlet pipe; 404. a second water outlet pipe; 501. a temperature sensor interface; 502. a temperature sensor.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, for clarity and conciseness of description, not all of the various components shown in the figures are described. The various components shown in the figures provide those skilled in the art with a fully enabled disclosure of the invention. The operation of many of the components is familiar and obvious to those skilled in the art.
The first embodiment is as follows:
1-2, the present embodiment provides a novel EGR cooler, including an EGR cooler assembly, an electrically powered EGR valve assembly, a temperature feedback assembly, and a coolant flow adjustment assembly;
the electric EGR valve component comprises an EGR valve 201 and a valve seat 202, the valve seat 202 is made of aluminum, so that the electric EGR valve component is light and light, cast aluminum materials can be selected, and the cost is saved;
the EGR cooler assembly comprises an EGR cooler body 101, the EGR cooler body 101 comprises a water inlet pipe 104, a water outlet pipe 103, an exhaust gas inlet 102 and an exhaust gas outlet 105, the exhaust gas inlet 102 is connected with an exhaust port of an engine, the water inlet pipe 104 is communicated with the water outlet pipe 103, a cooling liquid circulation channel is formed inside the EGR cooler body 101, a flow control water valve 401 is arranged before cooling liquid of the EGR cooler body 101 enters water, the flow control water valve 401 is provided with a chip sensor, the control technology is advanced, meanwhile, a temperature sensor 502 is arranged on a valve seat 202, an exhaust gas temperature data signal is timely fed back to an engine ECU3, so that the flow of the flow control water valve 401 is controlled according to the exhaust gas temperature, the flow control precision is high, meanwhile, the flow control water valve 401 adopts a three-way mode, the flow of redundant cooling liquid is shunted, and the cooled exhaust gas temperature is controlled in a relatively constant area range, the EGR cooler valve assembly and the EGR cooler assembly can be effectively degraded in carbon deposition and coking formation, durability and reliability of use of the EGR valve assembly and the EGR cooler assembly are improved, temperature can be adjusted and controlled through adjusting the ECU3 of the engine, continuous adjustment and optimization can be achieved at different working conditions, an ECU control strategy is optimized to control, the EGR cooler assembly is more intelligent, the EGR cooler assembly is applied to engines with more discharge capacities, and universality is higher.
Furthermore, the cooling liquid flow regulating assembly comprises a flow control water valve 401, a chip sensor is arranged on the flow control water valve 401, the flow control water valve 401 comprises a liquid supply pipe 402, a first water outlet pipe 403 and a second water outlet pipe 404, a connecting pipe 405 is fixedly connected between the second water outlet pipe 404 and the water inlet pipe 104, the cooling liquid enters the flow control water valve 401 through the liquid supply pipe 402, the flow of the cooling liquid entering the EGR cooler body 101 through the second water outlet pipe 404 and the connecting pipe 405 is controlled through the chip sensor, the flow control accuracy is high, meanwhile, the flow control water valve 401 adopts a three-way mode, the redundant flow of the cooling liquid is divided, the temperature of the cooled exhaust gas is controlled in a relatively constant area range, the formation of carbon deposition and coking can be effectively degraded, and in the opening state of the electric EGR valve assembly, the exhaust gas enters the EGR cooler body 101 from the exhaust gas inlet 102, meanwhile, the coolant enters the EGR cooler body 101 through the coolant flow adjusting assembly, the requirement of exhaust gas cooling is met, and when the electric EGR valve assembly is in a closed state, the air end and the water end are closed simultaneously, and most of flow of the EGR coolant is distributed to the engine body cooling branch.
Further, the temperature feedback assembly comprises a temperature sensor interface 501 arranged on the side wall of the valve seat 202, a temperature sensor 502 is arranged in the temperature sensor interface 501, and an exhaust gas temperature data signal is fed back to the engine ECU3 in time, so that the flow of the flow control water valve 401 is controlled according to the exhaust gas temperature, and the flow control is accurate.
Further, the temperature sensor interface 501 is disposed below the exhaust outlet interface 205, so as to facilitate real-time monitoring of the exhaust temperature.
Further, EGR cooler body 101 adopts the board perk formula cooler, and cooling efficiency can improve more than 90%, under the condition that does not change EGR cooler body 101 volume, promotes the cooling capacity, reaches the purpose that suits with higher EGR rate, can make more waste gases reach and participate in combustion temperature, satisfies the requirement of higher emission standard.
Further, a sealing gasket is arranged between the cooler interface 203 and the exhaust gas outlet 105, so that the connection tightness is ensured.
Further, liquid outlet pipe 103 is L-shaped and is conveniently connected with an external water return pipe.
Further, the exhaust outlet port 205 is angled to facilitate assembly with an EGR tube on the engine.
Further, neotype EGR cooler still includes engine ECU3, and chip sensor, electronic EGR valve subassembly and temperature sensor 502 all with engine ECU3 electric connection, can be through adjusting the temperature of engine ECU3 adjustment control, can constantly adjust the optimization at the operating mode point of difference, optimize engine ECU3 control strategy and control, and is more intelligent, applies to the engine of more discharge capacities, and the commonality is stronger.
When the novel EGR cooler is used, firstly, exhaust gas generated by engine combustion flows into an exhaust gas inlet 102 on an EGR cooler body 101 through an EGR pipe, meanwhile, cooling liquid of an engine enters a flow control water valve 401 through a liquid supply pipe 402, and part of the cooling liquid enters the EGR cooler body 101 through a second water outlet pipe 404 and a connecting pipe 405 to cool the exhaust gas, so that the temperature of the exhaust gas is reduced;
moreover, the valve seat 202 is provided with the temperature sensor 502, and an exhaust gas temperature data signal is fed back to the engine ECU3 in time, so that the flow of the flow control water valve 401 is controlled according to the exhaust gas temperature, that is, the flow of the flow control water valve 401 entering the EGR cooler body 101 through the second water outlet pipe 404 and the connecting pipe 405 is controlled by the chip sensor, the flow control accuracy is high, meanwhile, the flow control water valve 401 adopts a three-way mode, the flow of redundant coolant is shunted, and the flow control accuracy is high;
meanwhile, the engine ECU3 controls the opening and closing stroke of the electric EGR valve assembly, the exhaust gas flow required by the engine is mixed with the filtered fresh air through the EGR pipe through the exhaust gas outlet interface 205 to participate in combustion, and the emission performance of the engine is improved.
Example two:
the coolant flow adjusting assembly comprises an electronic water pump, a connecting pipe 405 is fixedly connected between the electronic water pump and the liquid inlet pipe 104, and a flow adjusting valve controlled by an engine ECU3 is arranged on the electronic water pump.
The difference from the first embodiment is that: the electronic water pump is adopted, the flow of the coolant of the electronic water pump is controlled by a signal (or the content of nitrogen oxide detected by the emission detection system) sent to the engine ECU3 through the temperature sensor 502, the control of the cooling capacity of the EGR system is realized, and when the temperature of the recirculated exhaust gas is higher than the actual required temperature, the electronic water pump is adjusted, the flow of the coolant is increased, and the cooling capacity of the electronic water pump is enhanced; when the temperature of the recirculated exhaust gas is lower than the actual required temperature, the electronic water pump is adjusted, the flow of the cooling liquid is reduced, and the cooling capacity of the cooling liquid is reduced. By the measures, the engine is kept in the optimum working state, and the emission performance of the engine is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The novel EGR cooler is characterized by comprising an EGR cooler assembly, an electric EGR valve assembly, a temperature feedback assembly and a cooling liquid flow regulating assembly;
the EGR cooler assembly comprises an EGR cooler body (101), the EGR cooler body (101) comprises a water inlet pipe (104), a water outlet pipe (103), an exhaust gas inlet (102) and an exhaust gas outlet (105), the exhaust gas inlet (102) is connected with an exhaust port of an engine, the water inlet pipe (104) is communicated with the water outlet pipe (103), and a cooling liquid circulation passage is formed in the EGR cooler body (101);
the electric EGR valve assembly comprises an EGR valve (201) and a valve seat (202), wherein the valve seat (202) comprises a cooler interface (203), a valve body interface (204) and an exhaust gas outlet interface (205), the EGR valve (201) is fixed with the valve seat (202) through the valve body interface (204), and the cooler interface (203) and an exhaust gas outlet (105) are fixed through bolts.
2. The novel EGR cooler of claim 1 wherein: the temperature feedback assembly comprises a temperature sensor interface (501) arranged on the side wall of the valve seat (202), and a temperature sensor (502) is arranged in the temperature sensor interface (501).
3. A novel EGR cooler according to claim 2, characterized in that: the temperature sensor interface (501) is arranged below the exhaust gas outlet interface (205).
4. The novel EGR cooler of claim 1 wherein: the cooling liquid flow control subassembly includes flow control water valve (401), and is provided with the chip sensor on flow control water valve (401), flow control water valve (401) include feed pipe (402), first outlet pipe (403) and second outlet pipe (404), and fixedly connected with connecting pipe (405) between second outlet pipe (404) and feed liquor pipe (104).
5. The novel EGR cooler of claim 1 wherein: the EGR valve assembly further comprises an engine ECU (3), and the chip sensor, the electric EGR valve assembly and the temperature sensor (502) are electrically connected with the engine ECU (3).
6. The novel EGR cooler of claim 1 wherein: the EGR cooler body (101) adopts a plate-warped cooler.
7. The novel EGR cooler of claim 1 wherein: the water outlet pipe (103) is arranged in an L shape.
8. The novel EGR cooler of claim 1 wherein: and a sealing gasket is arranged between the cooler interface (203) and the exhaust gas outlet (105).
9. The novel EGR cooler of claim 1 wherein: the exhaust gas outlet interface (205) is arranged in an oblique angle and is assembled by deviating from the EGR pipe.
10. A novel EGR cooler according to any of claims 1-9, characterized in that: the coolant flow adjusting assembly comprises an electronic water pump, a connecting pipe (405) is fixedly connected between the electronic water pump and the water inlet pipe (104), and a flow adjusting valve controlled by an engine ECU3 is arranged on the electronic water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110904509.9A CN113464325A (en) | 2021-08-06 | 2021-08-06 | Novel EGR cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110904509.9A CN113464325A (en) | 2021-08-06 | 2021-08-06 | Novel EGR cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113464325A true CN113464325A (en) | 2021-10-01 |
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ID=77867779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110904509.9A Pending CN113464325A (en) | 2021-08-06 | 2021-08-06 | Novel EGR cooler |
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| CN (1) | CN113464325A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937057A (en) * | 2012-10-29 | 2013-02-20 | 长城汽车股份有限公司 | Engine EGR (exhaust gas recirculation) system |
| US20130199178A1 (en) * | 2010-09-30 | 2013-08-08 | Yasuaki Kanou | Waste Heat Utilization Apparatus for Internal Combustion Engine |
| CN204060980U (en) * | 2014-08-13 | 2014-12-31 | 潍柴动力股份有限公司 | A kind of cooler for recycled exhaust gas water flow control device |
| CN204921196U (en) * | 2015-08-22 | 2015-12-30 | 江铃汽车股份有限公司 | Diesel engine EGR system |
| CN105781812A (en) * | 2016-03-21 | 2016-07-20 | 潍柴动力股份有限公司 | EGR (exhaust gas recirculation) cooling closed-loop control system and method for cooling EGR gas |
| CN107850016A (en) * | 2015-05-07 | 2018-03-27 | 株式会社电装 | The low water temperature cooling device of internal combustion engine |
| CN211852020U (en) * | 2020-03-27 | 2020-11-03 | 无锡同益汽车动力技术有限公司 | EGR module that cold junction was arranged |
| CN112211756A (en) * | 2020-09-26 | 2021-01-12 | 昆明云内动力股份有限公司 | Low-pressure EGR system and gas flow control method |
| CN112983624A (en) * | 2019-12-12 | 2021-06-18 | 现代自动车株式会社 | Cooling water flow control device for cooling system of vehicle |
-
2021
- 2021-08-06 CN CN202110904509.9A patent/CN113464325A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130199178A1 (en) * | 2010-09-30 | 2013-08-08 | Yasuaki Kanou | Waste Heat Utilization Apparatus for Internal Combustion Engine |
| CN102937057A (en) * | 2012-10-29 | 2013-02-20 | 长城汽车股份有限公司 | Engine EGR (exhaust gas recirculation) system |
| CN204060980U (en) * | 2014-08-13 | 2014-12-31 | 潍柴动力股份有限公司 | A kind of cooler for recycled exhaust gas water flow control device |
| CN107850016A (en) * | 2015-05-07 | 2018-03-27 | 株式会社电装 | The low water temperature cooling device of internal combustion engine |
| CN204921196U (en) * | 2015-08-22 | 2015-12-30 | 江铃汽车股份有限公司 | Diesel engine EGR system |
| CN105781812A (en) * | 2016-03-21 | 2016-07-20 | 潍柴动力股份有限公司 | EGR (exhaust gas recirculation) cooling closed-loop control system and method for cooling EGR gas |
| CN112983624A (en) * | 2019-12-12 | 2021-06-18 | 现代自动车株式会社 | Cooling water flow control device for cooling system of vehicle |
| CN211852020U (en) * | 2020-03-27 | 2020-11-03 | 无锡同益汽车动力技术有限公司 | EGR module that cold junction was arranged |
| CN112211756A (en) * | 2020-09-26 | 2021-01-12 | 昆明云内动力股份有限公司 | Low-pressure EGR system and gas flow control method |
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Application publication date: 20211001 |