EP3784898A1 - Connecteur de circuit d'admission - Google Patents
Connecteur de circuit d'admissionInfo
- Publication number
- EP3784898A1 EP3784898A1 EP19717902.1A EP19717902A EP3784898A1 EP 3784898 A1 EP3784898 A1 EP 3784898A1 EP 19717902 A EP19717902 A EP 19717902A EP 3784898 A1 EP3784898 A1 EP 3784898A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tubular section
- flow
- duct
- section
- shutter
- 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.)
- Withdrawn
Links
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
- F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
- F02M26/19—Means for improving the mixing of air and recirculated exhaust gases, e.g. venturis or multiple openings to the intake system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B31/00—Modifying induction systems for imparting a rotation to the charge in the cylinder
- F02B31/04—Modifying induction systems for imparting a rotation to the charge in the cylinder by means within the induction channel, e.g. deflectors
- F02B31/06—Movable means, e.g. butterfly valves
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
- F02M35/10144—Connections of intake ducts to each other or to another device
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10255—Arrangements of valves; Multi-way valves
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10262—Flow guides, obstructions, deflectors or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- the invention relates to an intake circuit connector.
- the invention also relates to a combustion engine, or heat engine, comprising such an intake circuit connector.
- the invention also relates to a motor vehicle comprising such a combustion engine.
- a combustion engine in particular equipping a motor vehicle, requires for its operation fresh air which is led into a combustion chamber through an air intake circuit. Combustion of fuel in the combustion chamber produces gases that are exhausted through an exhaust system.
- a combustion engine, or heat engine generally comprises an exhaust gas recirculation system commonly known as EGR for the Anglo-Saxon Exhaust Gas Recirculation. Such an EGR system generally aims to reduce pollutant emissions and / or optimize engine power.
- a greater or lesser proportion of the exhaust gas (also called EGR rate) is redirected from the exhaust system to the engine air intake system.
- EGR gas exhaust gases that are redirected from the exhaust circuit to the engine air intake circuit.
- An EGR system is used to reintroduce into the combustion chamber the gases that were burned during the previous combustion.
- Such a system requires mixing the EGR gases with fresh air.
- a mixer called air-EGR mixer in the following description, is usually used.
- air-EGR mixer has a large footprint compared to other elements of a combustion engine.
- such a mixer causes losses in the air intake circuit of a combustion engine.
- the object of the invention is to provide a system overcoming the disadvantages mentioned above and improving the systems known from the prior art.
- the invention proposes a valve system for producing a combustion engine not comprising an air-EGR mixer.
- the invention relates to an intake circuit connector, particularly a heat engine for a motor vehicle, comprising a tubular section for the circulation of fresh air, and a flow shutter, intended for regulating the air circulation, characterized in that a duct, intended for gas circulation, opens out into the section downstream and in the immediate vicinity of said shutter.
- the duct intended for the circulation of gas, can open towards the upstream section.
- the duct intended for gas circulation, can lead into the section in a zone with a high air flow rate and strong turbulence generated by the flow shutter.
- the outflow projecting from the duct may be angled in the section to form an angle between the main directions of the section and the duct between 10 ° and 80 °, in particular between about 10 ° and 80 °, for example of the order of 45 °, in particular so as to introduce against the flow or against the current, in a first flow of air flowing in the tubular section, a second flow of gas flowing in the conduit.
- the closing percentage of the flow shutter can be less than or equal to 90%.
- the projection height of the duct in the tubular section may for example be less than or equal to half the diameter of the tubular section, for example approximately equal to a quarter of the diameter of the tubular section.
- the distance from the end of the duct projecting in the tubular section to the flow shutter, in a direction perpendicular to the main direction of the tubular section, may be, for example, less than or equal to half the diameter of the tubular section.
- the distance from the end of the duct projecting in the tubular section to the flow shutter, in the main direction of the tubular section, may be for example between 0.5 and 2 times the diameter of the flow shutter, for example, approximately equal to half the diameter of the flow shutter.
- the shape of the cross section of the projection of the conduit may be oblong in a plane containing the main direction of the tubular section.
- the invention also relates to a combustion engine comprising a connector as defined above.
- the invention relates to a motor vehicle comprising a combustion engine as defined above or a connector as defined above.
- Figure 1 schematically shows an embodiment of an intake circuit connector.
- FIG. 2 schematically shows an intake circuit connector such as that of Figure 1 in operation, when there is no introduction of EGR gas.
- FIG. 3 schematically shows an intake circuit connector such as that of FIG. 1 in operation, when EGR gas is introduced.
- the air intake circuit of a combustion engine may comprise an air intake valve for regulating the flow of combustion air entering the combustion chamber.
- the present invention proposes to advantageously take advantage of the presence of such an air intake valve in the engine to be able to overcome the use of an air-EGR mixer in the engine.
- the air intake valve in addition to its role of controlling the combustion air flow, is then also intended to act as an air mixer and EGR gas.
- the inlet valve also serves as an EGR gas metering valve.
- a duct for the EGR gas duct is connected directly to the air intake valve in a carefully chosen place. This allows the EGR gases to be introduced into the air intake circuit while mixing them with fresh air.
- a motor provided with such a valve does not require an air-EGR mixer and therefore has a small footprint.
- inlet circuit connector designates such a valve system comprising a conduit, in particular a conduit intended for the EGR gas pipeline.
- FIG. 1 schematically represents an embodiment of an intake circuit connector 1.
- the intake circuit connector 1 comprises a tubular section 3.
- the tubular section 3 is intended for circulation, or for passage, a first fluid, preferably air, more preferably fresh air.
- the intake circuit connector 1 also comprises a flow shutter 5.
- the flow shutter 5 is intended to regulate the circulation, or the flow, referred to as the first flow, of the first fluid, for example air, in the tubular section 3.
- the flow direction of the first flow of the first fluid in the tubular section 3 is represented by an arrow 7.
- the intake circuit connector 1 further comprises a duct 9 connected to the tubular section 3 downstream of the flow shutter 5.
- the duct 9 opens projecting into the tubular section 3 downstream and in the immediate vicinity of the flow shutter 5.
- the duct 9 is intended for circulation a second fluid, preferably EGR gas, and the introduction of the second fluid into the tubular section 3.
- the flow direction of the second fluid flow, called second flow, in the conduit 9, is represented by an arrow 1 1.
- fresh air is meant air that is introduced for the first time into the air intake system, that is to say air that has never been previously conducted in the combustion chamber.
- the conduit 9 opens into the tubular section 3, downstream of the flow valve 5, in a zone to high air flow and / or pressure loss and / or turbulence or strong turbulence generated by the flow shutter 5.
- the second fluid is thus introduced into these turbulences, which minimizes the pressure losses due to the introduction of the second fluid into the tubular section 3. This also makes it possible to optimize the mixing of the first and second fluids.
- the conduit 9 is connected to the tubular section 3 protruding into the tubular section 3.
- the conduit 9 is for example implanted by stitching in the tubular section 3, in other words in the body of the intake circuit connector 1.
- the duct 9 protrudes into the tubular section 3 over a projecting height h.
- the height of projection h of the duct 9 in the tubular section 3 is, for example, less than or equal to half the diameter D of the tubular section 3.
- the height of projection h of the duct 9 in the tubular section 3 is, for example, approximately equal to a quarter of the diameter D of the tubular section 3.
- the duct 9 opens towards the upstream of the tubular section 3.
- the projecting outlet of the duct 9 is advantageously angled in the section 3.
- the tubular section 3 extends along a main direction D1.
- the duct 9 extends in a main direction D2.
- the main direction D2 of the duct 9 forms an angle F with the main direction D1 of the tubular section 3.
- the duct 9 is connected to the tubular section 3 so that the main directions D1 of the tubular section 3 and D2 of the duct 9 form an angle F between 10 ° and 80 °, in particular between approximately 10 ° and approximately 80 °, of preferably of the order of 45 °.
- the angle F between the main directions D1, D2 of the tubular section 3 and the duct 9 is chosen so as to introduce against the flow or countercurrent, in the first flow of the first fluid flowing in the tubular section 3, the second flow of the second fluid flowing in the conduit 9. As a result, the first and second flows are disturbed, which allows to obtain a mixture between the first and second fluids.
- the intake circuit connector 1 comprises an oxidizer inlet valve and is intended to be used in a combustion engine.
- the tubular section 3 is for example intended for the air ducting, for example fresh air, in particular to the combustion air intake.
- the duct 9 is for example intended for the gas ducting, for example EGR gas.
- the duct 9 may also be intended for example for the ducting of the blow-by, the English term denoting the ventilation of the gas, or the pipeline of gasoline vapors.
- the valve of the intake circuit connector 1 has a small percentage of closure. This makes it possible in particular to prevent clogging of the intake circuit connector 1 due to the introduction of EGR gas into the tubular section 3.
- closing percentage is meant a closing percentage with respect to an open position of the flow gate 5 corresponding to the home position.
- a closing percentage of 0% corresponds to the open position of the flow shutter 5, and a closing percentage of 100% corresponds to the fully closed position of the flow shutter 5.
- the closing percentage of the flow shutter 5 is less than or equal to 90%, preferably less than or equal to 50%, more preferably less than or equal to 20%.
- the intake circuit connector 1 has no sensitivity to fouling.
- the distance d1 from the end of the duct 9 projecting into the tubular section 3 to the flow shutter 5, in a direction perpendicular to the main direction D1 of the tubular section 3, is for example less than or equal to half the diameter D of the tubular section 3.
- the distance d1 is for example approximately equal to a quarter of the diameter D of the tubular section 3.
- the distance d2 from the end of the duct 9 projecting into the tubular section 3 to the flow shutter 5, in the main direction D1 of the tubular section 3, is for example between 0.5 and 2 times the diameter D5 of the flow shutter 5.
- the distance d2 is for example approximately equal to half the diameter D5 of the flow shutter 5.
- the duct 9 is disposed closest to the turbulence zone of the tubular section 3, generated by the flow shutter 5.
- the distances d1 and d2 are for example measured between the center of the flow shutter 5 and the center of the cross section of the end of the duct 9 projecting into the tubular section 3.
- the shape of the cross section of the projection of the duct 9 is for example oblong in a plane P containing the main direction D1 of the tubular section 3 and maximizing the angle formed between this plane and the main direction D2.
- the diameter of the cross section of the projection of the duct 9 is for example of the order of D / 5.
- the shape and dimensions of the cross section of the projection of the duct 9 will for example be chosen as a function of the need for EGR gas flow.
- valve 1 is of shutter type.
- the flow shutter 5 is then for example a flap.
- FIG. 2 schematically represents the intake circuit connector 1 in operation, when there is no introduction of the second fluid, for example EGR gas, into the tubular section 3.
- the flow shutter 5 is in the open position, at the rest position.
- a valve 21, not shown in Figure 1 but shown in Figure 2 is disposed in the conduit 9 upstream thereof, that is to say at the end of the conduit 9 opposite to that protruding into the tubular section 3.
- the conduit 9 is closed by the valve 21.
- the second fluid is therefore not introduced into the tubular section 3.
- the arrows 23 represent the first flow of the first fluid in the tubular section 3.
- the presence of the duct 9, connected to the tubular section 3 projecting into the tubular section 3, induces little of losses in the tubular section 3.
- the valve 1 thus operates as if there were no conduit 9.
- the projection height h of the duct 9 in the tubular section 3 can be reduced so as to reduce the phenomenon of airflow disturbance in the tubular section 3. It is possible to choose a projection height h that makes it possible to minimize the phenomenon of a (2015)lic disturbance in the tubular section 3 while ensuring an optimum quality of the mixture between the first fluid and the second fluid, in particular by playing on a compromise with the angle F between the main directions D1, D2 of the tubular section 3 and the duct 9.
- FIG. 3 diagrammatically represents the intake circuit connector 1 in operation, when the second fluid, for example EGR gas, is introduced into the tubular section 3.
- the flow shutter 5 is inclined at an angle w with respect to the main direction D1 of the tubular section 3.
- the inclination angle w of the flow shutter 5 with respect to the main direction D1 of the tubular section 3 is for example between 0 and 20 °, for example of the order of 20 °.
- the arrows 33 represent the first flow of the first fluid in the tubular section 3. As illustrated in FIG. 3 by the arrows 33, the inclined position of the flow shutter 5 with respect to the main direction D1 of the tubular section 3 creates pressure losses in the tubular section 3. This induces a depression allowing the introduction of the second fluid into the tubular section 3.
- the arrows 35 represent the second flow of the second fluid in the duct 9.
- the duct 9 makes it possible to introduce the second fluid into the tubular section 3 in the aerodynamic disturbances of the first fluid. After introduction of the second flow of the second fluid into the tubular section 3, the flow of the first and second fluids downstream of the end of the duct 9 projecting into the tubular section 3 has little loss of charge, as illustrated in FIG. 3 by the arrows 37.
- the intake circuit connector 1 thus makes it possible to obtain at the outlet a homogeneous mixture between the first fluid, for example air, and the second fluid, for example EGR gas. In addition, the mixing between the first and second fluids induces reduced pressure losses.
- the intake circuit connector 1 thus plays the role of a mixing valve.
- An advantage of an intake circuit connector such as that described with reference to FIGS. 1 to 3 lies in the fact that it plays both the role of flow regulator of the first fluid and mixer between the first fluid. and the second fluid.
- Such an intake circuit connector for example when it is arranged in a combustion engine, makes it possible to dispense with the use of an air-EGR mixer.
- a homogeneous mixture is obtained between the first fluid, for example air, and the second fluid, for example EGR gas, while minimizing the pressure losses in the circuit. admission of the first fluid.
- FIGS. 1 to 3 show the intake circuit connector 1 in the case where the main direction D2 of the duct 9 is positioned in a plane normal to the plane of the flow shutter 5.
- the angle a is of the order of 90 ° in the embodiment of Figures 1 to 3.
- the main direction D2 of the duct 9 can be positioned in the plane of the flow shutter 5.
- the angle a is then 0 °. Any other orientation of the main direction D2 of the duct 9 with respect to the plane of the flow shutter 5 may also be chosen.
- the value of the angle ⁇ will be chosen between 0 ° and 360 ° depending on the geometry of the intake circuit connector upstream of the flow shutter 5. The optimum value of the angle ⁇ will for example be determined by means of to aerodynamic calculations.
- the invention has been described in relation to FIGS. 1 to 3 in the case where the valve 1 is of shutter type. According to one variant, the valve 1 may be of the plug type.
- An intake circuit connector such as that described with reference to FIGS. 1 to 3 may be used in a combustion engine, or heat engine, 41. Such an intake circuit connector makes it possible to dispense with the use of an air-EGR mixer in a combustion engine. This gives a combustion engine with a small footprint.
- the invention also relates to a motor vehicle 51 comprising such a combustion engine 41 or an intake circuit connector such as that described with reference to FIGS. 1 to 3.
- a connector such as that described with reference to FIGS. 1 to 3 may be used for any type of application requiring a mixture between two fluids, the flow rate of one of the two fluids being regulated by a valve.
- a connector can be used in a boiler.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1853629A FR3080654B1 (fr) | 2018-04-25 | 2018-04-25 | Connecteur de circuit d'admission |
| PCT/EP2019/059668 WO2019206717A1 (fr) | 2018-04-25 | 2019-04-15 | Connecteur de circuit d'admission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3784898A1 true EP3784898A1 (fr) | 2021-03-03 |
Family
ID=62528729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19717902.1A Withdrawn EP3784898A1 (fr) | 2018-04-25 | 2019-04-15 | Connecteur de circuit d'admission |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3784898A1 (fr) |
| JP (1) | JP2021522439A (fr) |
| KR (1) | KR102787856B1 (fr) |
| CN (1) | CN112041554B (fr) |
| FR (1) | FR3080654B1 (fr) |
| WO (1) | WO2019206717A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7615954B2 (ja) | 2021-08-04 | 2025-01-17 | トヨタ自動車株式会社 | 内燃機関の吸気装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5937251A (ja) * | 1982-08-23 | 1984-02-29 | Yanmar Diesel Engine Co Ltd | ガスエンジン用ガスミキサ− |
| CN107013373A (zh) * | 2017-05-17 | 2017-08-04 | 梅尾巴 | 增程发电机供气系统 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6125554U (ja) * | 1984-07-19 | 1986-02-15 | 愛三工業株式会社 | 内燃機関の吸気装置 |
| JPS62135862U (fr) * | 1986-02-20 | 1987-08-26 | ||
| JPH0614050Y2 (ja) * | 1987-03-27 | 1994-04-13 | トヨタ自動車株式会社 | 排出孔付きegr通路 |
| JP3095665B2 (ja) * | 1995-10-16 | 2000-10-10 | 株式会社日本自動車部品総合研究所 | 内燃機関の蒸発燃料制御装置 |
| JP3992784B2 (ja) * | 1997-05-30 | 2007-10-17 | 日産自動車株式会社 | エンジンの吸気装置 |
| JP2003269260A (ja) * | 2002-03-14 | 2003-09-25 | Toyota Motor Corp | 内燃機関のガス導入装置 |
| JP3861789B2 (ja) * | 2002-10-03 | 2006-12-20 | 日産自動車株式会社 | 内燃機関の吸気装置 |
| JP4840676B2 (ja) * | 2008-12-17 | 2011-12-21 | アイシン精機株式会社 | 吸気マニホルド |
| CN102128110A (zh) * | 2011-01-21 | 2011-07-20 | 潍柴动力股份有限公司 | 一种进气装置及柴油机 |
| DE102012200170A1 (de) * | 2012-01-06 | 2013-07-11 | Continental Automotive Gmbh | Mischventil |
| US20140150759A1 (en) * | 2012-12-04 | 2014-06-05 | GM Global Technology Operations LLC | Engine Including External EGR System |
| CN103352774A (zh) * | 2013-04-28 | 2013-10-16 | 安徽江淮汽车股份有限公司 | 一种气体充分混合结构以及废气再循环系统 |
| JP6231446B2 (ja) * | 2014-07-04 | 2017-11-15 | 愛三工業株式会社 | 排気混合装置 |
| US9574528B2 (en) * | 2014-12-17 | 2017-02-21 | Caterpillar Inc. | Exhaust gas recirculation adapter |
| JP6332192B2 (ja) * | 2015-08-06 | 2018-05-30 | マツダ株式会社 | エンジンの吸気装置 |
| JP6551046B2 (ja) * | 2015-08-20 | 2019-07-31 | 日産自動車株式会社 | エンジン |
-
2018
- 2018-04-25 FR FR1853629A patent/FR3080654B1/fr active Active
-
2019
- 2019-04-15 CN CN201980028102.5A patent/CN112041554B/zh active Active
- 2019-04-15 EP EP19717902.1A patent/EP3784898A1/fr not_active Withdrawn
- 2019-04-15 JP JP2020558449A patent/JP2021522439A/ja active Pending
- 2019-04-15 WO PCT/EP2019/059668 patent/WO2019206717A1/fr not_active Ceased
- 2019-04-15 KR KR1020207033315A patent/KR102787856B1/ko active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5937251A (ja) * | 1982-08-23 | 1984-02-29 | Yanmar Diesel Engine Co Ltd | ガスエンジン用ガスミキサ− |
| CN107013373A (zh) * | 2017-05-17 | 2017-08-04 | 梅尾巴 | 增程发电机供气系统 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2019206717A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019206717A1 (fr) | 2019-10-31 |
| KR102787856B1 (ko) | 2025-03-31 |
| CN112041554B (zh) | 2023-12-01 |
| CN112041554A (zh) | 2020-12-04 |
| JP2021522439A (ja) | 2021-08-30 |
| FR3080654B1 (fr) | 2021-10-15 |
| FR3080654A1 (fr) | 2019-11-01 |
| KR20210002572A (ko) | 2021-01-08 |
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