WO2014196698A1 - 디젤 엔진용 글로우 플러그의 금구 및 그 제조 방법 - Google Patents
디젤 엔진용 글로우 플러그의 금구 및 그 제조 방법 Download PDFInfo
- Publication number
- WO2014196698A1 WO2014196698A1 PCT/KR2013/009429 KR2013009429W WO2014196698A1 WO 2014196698 A1 WO2014196698 A1 WO 2014196698A1 KR 2013009429 W KR2013009429 W KR 2013009429W WO 2014196698 A1 WO2014196698 A1 WO 2014196698A1
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- WIPO (PCT)
- Prior art keywords
- bracket
- glow plug
- diesel engine
- bracket part
- parts
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
- F02P19/02—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
- F23Q7/22—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K21/00—Making hollow articles not covered by a single preceding sub-group
- B21K21/08—Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/32—Bonding taking account of the properties of the material involved
- B23K26/323—Bonding taking account of the properties of the material involved involving parts made of dissimilar metallic material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
- F23Q7/001—Glowing plugs for internal-combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
- F23Q7/001—Glowing plugs for internal-combustion engines
- F23Q2007/004—Manufacturing or assembling methods
Definitions
- the present invention relates to a glow plug mounted on a diesel engine, and more particularly to an axial direction of two or more bracket parts that are easy to machine regardless of the total length of the metal shell of the glow plug mounted to the engine head.
- An object of the present invention is to provide a bracket and a method of manufacturing the same.
- diesel engines are designed to install a glow plug in the upper position of the combustion chamber adjacent to the injector as a preheating means for ensuring smooth startability of the engine because of poor startability at low temperatures. It serves to assist.
- FIG. 1 is a front view of a conventional glow plug
- FIG. 2 is a front view of an integrated bracket applied to a conventional glow plug
- FIG. 3 is a reference sectional view showing a state where a conventional glow plug is installed in an engine.
- the conventional glow plug 10a is referred to as a plug bracket 100a (hereinafter, referred to as 'bracket') in which a thread is formed on an upper circumferential surface thereof so as to be mounted on an engine head 1 of a diesel engine. ) And a heating fin 200 installed through the bracket 100a in the axial direction.
- a plug bracket 100a hereinafter, referred to as 'bracket'
- a heating fin 200 installed through the bracket 100a in the axial direction.
- the heating fin 200 has a heating portion exposed to the lower side of the bracket (100a) and the terminal portion on the upper side of the bracket (100a), the bracket inside the bracket so that the heating fin is fitted into the shaft (100a)
- a hollow hole is formed by penetrating in the direction.
- a press-fit fixing part for interference fit of the heating fin 200 is formed in the longitudinal hole of the bracket 100a.
- the above-described conventional glow plug 10a is supplied with electric energy from a battery to generate heat, and heats air or functions as a hot spot using this heat, and a part of the injected fuel is a glow plug 10a in which heat is generated. Self-ignition by direct contact vaporization to the surface of
- the conventional glow plug 10a has various problems in application to a direct injection diesel engine.
- the length of the glow plug 10a is increased, and thus, the total length of the bracket 100a is also increased.
- the bending of the bracket 100a occurs due to the compression load acting on the bracket when the glow plug 10a is applied to the engine head 1 of the diesel engine.
- the glow plug is installed in the pre-combustion chamber (in the case of indirect injection engine) or the main combustion chamber (in the case of direct injection engine) depending on the type of fuel injection.
- the glow plug is installed in the pre-combustion chamber, which is a small combustion chamber separated from the main combustion chamber in the engine structure. Glow plugs are shorter in length than glow plugs installed in the main combustion chamber, and the demand for diesel engines employing a direct injection method is increasing.
- the material of the long bracket may be made of a material of high strength, but in this case, the manufacturing cost of the bracket (100a) There is a problem that not only rises significantly, but also suffers from difficulty in processing the bracket (100a).
- Conventional metal fittings (100a) are usually manufactured by cutting or forging, when the long length of the metal used for the glow plug (10a) to be applied to a direct injection diesel engine to be manufactured by cutting There is a problem that a large amount of cutting not only significantly lowers the productivity but also increases the processing cost.
- the material of the bracket is made of a material having high strength in order to solve the warpage phenomenon generated when the bracket 100a is fastened to the engine, the above-mentioned problems of productivity degradation and processing cost increase are inevitably intensified. .
- the present invention has been made to solve the above problems, and improves the bracket of the glow plug mounted on the engine head of a diesel engine to a two-stage or more structure that is easy to process regardless of the overall length.
- the purpose of the present invention is to provide a glow plug for a diesel engine having a structure of improved strength and durability, and a method of manufacturing the same, by varying partial or partial strength.
- the present invention is to provide a bracket having a structure in which a segment structure, that is, a plurality of bracket segments (bracket parts) are connected in the axial direction so as to reinforce the strength of a portion requiring better strength than other portions. will be.
- the present invention in the bracket of the diesel engine glow plug fastened to the engine head of the diesel engine: a plurality of bracket parts arranged along the axial direction of the glow plug, the material strength is different It provides a bracket of a glow plug for a diesel engine, characterized in that configured to include.
- the plurality of bracket parts At least one of an upper bracket part having a thread formed on an outer circumferential surface thereof, and an indirect coupling to a lower side of the upper bracket part directly or indirectly through another bracket part to be fastened to the head of the diesel engine, and having different material strength from the upper bracket part; It may be configured to include a lower bracket part of.
- the lower bracket part has a material stronger in strength than the upper bracket part.
- the material of the upper bracket part is a cold-rolled steel wire material;
- the material of the lower bracket part may be composed of a cold-rolled carbon steel wire.
- the plurality of bracket parts may be integrally formed by joining in the axial direction of the glow plug by bonding.
- the plurality of bracket parts may be formed with stepped parts that are mutually matched to the coupling site with the other bracket parts for coupling with other bracket parts connected adjacently.
- a metal fitting part having a thread for coupling with the engine head is a first metal fitting part, a metal fitting part connected to a lower side of the first metal fitting part, a second metal fitting part and a metal fitting part connected to a lower side of the second metal fitting part.
- the first bracket part is made of cold-rolled steel wire material
- the second bracket part and the third bracket part are made of cold-rolled carbon steel wire material.
- the present invention provides a glow plug for a diesel engine comprising the bracket described above.
- the thread is formed on the upper outer peripheral surface to be fastened to the engine head of the diesel engine, there is a method for manufacturing the bracket of the glow plug formed through the hollow hole in the axial direction for insertion of the heating fins: Manufacturing an upper bracket part having the screw thread and a lower bracket part coupled to a lower side of the upper bracket part to form the bracket; It provides a method of manufacturing a bracket for a diesel engine glow plug comprising a; forming the bracket by integrally combining the upper bracket part and the lower bracket part through laser welding.
- the upper bracket part and the lower bracket part are each produced by forging.
- the lower bracket part is made of a material different in strength from the upper bracket part.
- a thread is formed on the upper outer circumferential surface to be fastened to the engine head of the diesel engine, the bracket of the glow plug to insert the heating fin therein;
- the glow plug of the glow plug is formed to be integrally formed by the connection of the bracket parts separated in at least two stages, at least two of the bracket parts of the diesel engine glow plug, characterized in that the material strength is different from each other Brackets are provided.
- the material of the metal fitting part having the screw thread is made of a material weaker than other metal fitting parts in which the screw thread is not formed.
- the other metal parts that are not formed with the threads have a stronger material than the metal parts having the threads for strength reinforcement.
- a screw thread is formed on the upper outer peripheral surface to be fastened to the head of the diesel engine, in the glow bracket to be able to insert the heating fins; Separating and processing the metal parts having the threads and the other metal parts to be joined to the metal parts having the threads, and performing laser welding in a state in which the metal parts having the threads and the other metal parts to be joined are adjacent to each other.
- a method for manufacturing a bracket of a glow plug for a diesel engine characterized in that it comprises a step of joining to form a unitary through.
- the bracket of the glow plug mounted on the engine head of a diesel engine can be easily processed regardless of the total length.
- the fuel injection method of the diesel engine is changed by the direct injection method, and each part is easily processed through the forging process in the manufacture of the metal fittings of the glow plug, and then laser welding, etc. It is possible to improve productivity and processability by easily integrally fixed by various coupling methods of the.
- the present invention is a structure in which a plurality of metal segments, i.e., metal parts are connected to each other in an axial direction and fixed integrally, and partly with different materials, thereby improving the strength of a portion where excellent strength is required or stress is largely acted on. . More specifically, by varying the material strength of the metal parts and the rest of the metal parts fastened to the engine head, it is possible to effectively prevent the occurrence of bending of the metal when fastening to the engine head.
- the rest of the bracket parts having a problem of bending due to the compressive load is made of a relatively strong material, so that the bending phenomenon of the brackets generated by the glow plugs can be eliminated cleanly.
- each part of the bracket can be easily manufactured by forging, product productivity can be improved and manufacturing cost can be reduced.
- FIG. 1 is a front view of a conventional glow plug
- FIG. 2 is a front view of the unitary bracket applied to the glow plug of FIG. 1.
- FIG. 2 is a front view of the unitary bracket applied to the glow plug of FIG. 1.
- FIG. 3 is a cross-sectional view showing a state in which the glow plug of FIG. 1 is installed in an engine
- FIG. 4 is a front view showing an embodiment of a glow plug having a bracket of a glow plug according to the present invention
- Figure 5 is a front view showing an embodiment of the bracket according to the invention.
- FIG. 6 is an exploded view of the bracket shown in FIG.
- FIG. 7 is a cross-sectional view of the bracket shown in FIG.
- the present invention relates to a glow plug 100 having a glow plug for a diesel engine and a glow plug 10 having the same, which are fastened to an engine head 1 (see FIG. 3) of a diesel engine.
- 100 is disposed along the axial direction (length direction) of the glow plug 10 and includes a plurality of bracket parts 101, 102, 103 having different material strengths.
- the plurality of bracket parts 101, 102, 103 may include an upper bracket part 101 having a thread 101a formed on an outer circumferential surface thereof so as to be fastened to the head 1 of the diesel engine, and the upper bracket part 101.
- a lower bracket part (102, 103) coupled to the lower side of the direct or indirectly via another bracket part.
- the lower bracket parts 102 and 103 have at least one bracket part different in material strength from the upper bracket part 101.
- the thread 101a is formed on the upper outer peripheral surface to be fastened to the engine head 1 of the diesel engine, the inside of the glow plug 10 to insert the heating fin 200
- the bracket 100 is joined at least in two stages (a structure in which at least two bracket parts are axially coupled) by joining the bracket parts (for example, screwing or welding). It is formed to be integral. That is, the metal fitting 100 has a strength of at least one bracket part, i.e., the lower fitting parts 102 and 103, which is coupled to and fixed to the metal fitting part, that is, the upper fitting part 101 and the lower side, on which the thread 101a is formed. Has a different material.
- the lower bracket part is composed of two stages, but may be three or more stages according to the total length (length) of the bracket 100.
- the lower bracket parts 102 and 103 coupled to the lower side of the upper bracket part 101 have a stronger material than the upper bracket part 101.
- the whole of the lower bracket parts may be made of the same material, and the lower bracket parts 102 and 103 may be of different materials.
- the bracket parts may be of different materials to form a continuous structure.
- a portion 102 of the lower bracket parts 102 and 103 that is directly connected to the upper bracket part 101 may be made of the same material as the upper bracket part 101, and the portion 102 may be formed.
- the material of the part 103 which is indirectly connected to the upper bracket part 101 may be different from that of the upper bracket part 101.
- the plurality of metal parts 101, 102, and 103 may be integrated in a axial direction by various bonding methods such as laser welding.
- the plurality of bracket parts 101, 102, and 103 may have a stepped part, that is, a shape that is mutually matched to a joining part (joint part) with another bracket part for coupling with another bracket part that is adjacently connected. This corresponding step is formed.
- the joining sites (bonding sites) of the bracket parts are provided with stepped portions 101b, 102b and 103b for assisting assembly and placement with the bracket parts joined adjacently.
- the stepped portions 101b, 102b and 103b have a structure having a yaw or iron, which is configured to be joined with the joints of other parts before welding between the parts.
- the metal fitting 100 of the glow plug 10 of the present embodiment has a three-stage structure, and the first metal fitting part 101 and the first metal fitting part 101 include a metal fitting part having the thread 101a.
- the first bracket part 101 ) Is made of cold-rolled steel wire (for example, SWRCH10A), and the material of the second bracket part 102 and the third bracket part 103 is made of cold-rolled carbon steel wire (for example, SWCH45K). It is possible to easily obtain a significant strength improvement.
- first bracket part 101, the second bracket part 102 and the third bracket part 103 constituting the bracket 100 when considering the material and workability of each bracket part, the length ratio of 0.4 ⁇ 0.6: 1: 1, but the ratio is not limited thereto.
- the bracket 100 of the diesel engine glow plug 10 of the present invention has a thread 101a is formed on the upper outer peripheral surface to be fastened to the engine head of the diesel engine, the heating fin 200 is inserted therein,
- Each is produced separately and separately.
- the upper bracket part 101 and the lower bracket part 102, 103 are each produced by forging.
- each bracket part constituting the lower bracket part is also individually manufactured.
- the upper bracket part 101 and the lower bracket part 102 and 103 may be integrally combined by using various fixing methods such as laser welding to complete the bracket 100.
- first bracket part 101 having the screw thread 101a to be fastened to the engine head 1 the second bracket part 102 to be joined to the first bracket part 101, and
- Each of the third bracket parts 103 to be joined to the second bracket part 102 is manufactured separately.
- first bracket part 101, the second bracket part 102, and the third bracket part 103 may be manufactured by the forging process described above, but are not necessarily limited thereto.
- first bracket part 101, the second bracket part 102, and the third bracket part 103 are adjacent to each other and arranged in one row.
- the first bracket part 101, the second bracket part 102, and the third bracket part 103 are disposed to be adjacent to each other to fix the bracket parts to be integrally formed by laser welding or the like. 100) can be completed.
- bracket 100 of the glow plug 10 of the present invention configured and manufactured as described above is as follows.
- the metal fittings 100 of the glow plug 10 of the present invention can be easily machined into a plurality of stages, and each of the short metal fittings is easily produced by forging. The manufacturing cost can be reduced.
- the forging process is performed. After processing the metal parts, the joints can be easily joined by laser welding to improve productivity and workability.
- the bracket of the glow plug 10 mounted on the engine head 1 can be easily processed regardless of the overall length.
- the bracket 100 may be a segmented structure, and may be partially reinforcement of the bracket by changing a material of a part requiring improvement of strength, thereby preventing bending of the bracket and improving durability. .
- the metal parts fastened directly to the engine head is made of a relatively weak material, at least one of the metal parts making up the remaining portion subjected to the compressive load during the fastening has a relatively strong material, thereby clearing the bending phenomenon of the metal brackets It can be solved.
- the present invention is to improve the fastening strength of the glow plug 10 to the engine head by changing the method for processing the bracket of the glow plug 10 to a separate bonding method and by using the bracket part of the portion subjected to a strong force to a strong material. Can be.
- the bracket 100 is divided into three stages, but is not limited thereto.
- the first bracket part 101, the second bracket part 102, and the first bracket part constituting the bracket 100 may be described. Since the three bracket parts 103 are preferably forged in terms of productivity, this is described as an example.
- the thicknesses of the first bracket part 101, the second bracket part 102, and the third bracket part 103 are presented to be the same, the brackets 101 are the same.
- the thickness of 102 and 103 may be formed differently.
- the thickness of each part may be formed in a different thickness in consideration of the required strength of each part and the shape of the heating fin 200.
- the present invention improves the strength and durability of the metal fittings by improving the metal fittings of the glow plugs mounted on the heads of diesel engines in a multi-stage structure that is easy to manufacture and can partially give different strength regardless of the overall length. At the same time, it is an invention that can improve product productivity and reduce manufacturing cost, and has industrial applicability in automotive parts design / manufacturing field and automobile field.
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Abstract
Description
Claims (12)
- 디젤 엔진의 엔진 헤드에 체결되는 디젤 엔진용 글로우 플러그의 금구에 있어서:상기 글로우 플러그의 축방향을 따라 배치되며, 재질 강도가 서로 다른 복수의 금구 파트들을 포함하여 구성됨을 특징으로 하는 디젤 엔진용 글로우 플러그의 금구.
- 제1항에 있어서,상기 복수의 금구 파트들은;상기 디젤 엔진의 헤드에 체결되도록, 외주면에 나사산이 형성된 상부 금구 파트와,상기 상부 금구 파트의 하측에 직접 또는 다른 금구 파트를 매개로 간접적으로 결합되며, 상기 상부 금구 파트와 재질 강도가 다른 적어도 하나의 하부 금구 파트를 포함하여 구성됨을 특징으로 하는 디젤 엔진용 글로우 플러그의 금구.
- 제2항에 있어서,상기 하부 금구 파트는, 상기 상부 금구 파트보다 강도가 강한 재질을 갖는 것을 특징으로 하는 디젤 엔진용 글로우 플러그의 금구.
- 제3항에 있어서,상기 상부 금구 파트의 재질은 냉간압조용강선재이고; 상기 하부 금구 파트의 재질은 냉간압조용탄소강선재인 것을 특징으로 하는 디젤 엔진용 글로우 플러그의 금구
- 제1항에 있어서,상기 복수의 금구 파트들은, 접합에 의해 상기 글로우 플러그의 축방향으로 결합되어서 일체를 이루는 것을 특징으로 하는 디젤 엔진용 글로우 플러그의 금구.
- 제1항에 있어서,상기 복수의 금구 파트들은, 이웃하여 연결되는 다른 금구 파트와의 결합을 위해 상기 다른 금구 파트와의 결합 부위에 상호 형합되는 단턱부가 형성된 것을 특징으로 하는 디젤 엔진용 글로우 플러그의 금구.
- 제1항에 있어서,상기 복수의 금구 파트들은;상기 엔진 헤드와의 결합을 위한 나사산을 갖는 금구 파트를 제1금구 파트, 상기 제1금구 파트의 하측에 연결되는 금구 파트를 제2금구 파트, 상기 제2금구 파트 하부측에 연결되는 금구 파트를 제3파트라고 할 때, 상기 제1금구 파트의 재질은 냉간압조용강선재로 이루어지고, 제2금구 파트와 제3금구 파트의 재질은 냉간압조용탄소강선재로 이루어짐을 특징으로 하는 디젤 엔진용 글로우 플러그의 금구.
- 제1항에 있어서,상기 복수의 금구 파트들은, 상기 금구의 부분적 강도 개선을 위하여 재질이 다른 것을 특징으로 하는 글로우 플러그의 금구.
- 제1항 내지 제8항 중 어느 한 항의 금구를 포함하는 디젤 엔진용 글로우 플러그.
- 디젤 엔진의 엔진 헤드에 체결되도록 상부 외주면에 나사산이 형성되며, 내부에는 발열핀의 삽입을 위해 축방향으로 중공홀이 관통하여 형성된 글로우 플러그의 금구 제조방법으로서:상기 나사산을 갖는 상부 금구 파트와 상기 상부 금구 파트의 하측에 결합되어서 상기 금구를 형성하는 하부 금구 파트를 각각 제조하는 단계와;상기 상부 금구 파트와 상기 하부 금구 파트를 레이저 용접을 통해 일체로 결합해서 상기 금구를 형성하는 단계;를 포함하는 디젤 엔진용 글로우 플러그의 금구 제조방법.
- 제10항에 있어서,상기 상부 금구 파트와 상기 하부 금구 파트는 각각 단조 가공에 의해 제조되는 것을 특징으로 하는 디젤 엔진용 글로우 플러그의 금구 제조방법.
- 제10항 또는 제11항에 있어서,상기 하부 금구 파트는, 상기 상부 금구 파트와 강도가 다른 재질로 제조되는 것을 특징으로 하는 디젤 엔진용 글로우 플러그의 금구 제조방법.
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CN201380077222.7A CN105308308A (zh) | 2013-06-05 | 2013-10-22 | 适于柴油发动机的电热塞的金属外壳及其制造方法 |
US14/896,399 US9784234B2 (en) | 2013-06-05 | 2013-10-22 | Metal shell of glow plug for diesel engines and method of manufacturing the same |
EP13886471.5A EP3006728B1 (en) | 2013-06-05 | 2013-10-22 | Metal shell of glow plug for diesel engine and method for manufacturing same |
JP2016516432A JP2016520188A (ja) | 2013-06-05 | 2013-10-22 | ディーゼルエンジン用グロープラグの金具及びその製造方法 |
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KR1020130064709A KR20140142934A (ko) | 2013-06-05 | 2013-06-05 | 디젤 엔진용 글로우 플러그의 금구 및 그 제조 방법 |
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JP (1) | JP2016520188A (ko) |
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CN114607537B (zh) * | 2022-04-14 | 2023-07-25 | 上海夏雪科技有限公司 | 电热塞及内燃机 |
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- 2013-10-22 CN CN201380077222.7A patent/CN105308308A/zh active Pending
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CN105308308A (zh) | 2016-02-03 |
JP2016520188A (ja) | 2016-07-11 |
EP3006728A4 (en) | 2017-03-15 |
EP3006728B1 (en) | 2018-09-05 |
US9784234B2 (en) | 2017-10-10 |
US20160123293A1 (en) | 2016-05-05 |
KR20140142934A (ko) | 2014-12-15 |
EP3006728A1 (en) | 2016-04-13 |
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