JP6718573B2 - エンジン装置 - Google Patents
エンジン装置 Download PDFInfo
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- JP6718573B2 JP6718573B2 JP2017014839A JP2017014839A JP6718573B2 JP 6718573 B2 JP6718573 B2 JP 6718573B2 JP 2017014839 A JP2017014839 A JP 2017014839A JP 2017014839 A JP2017014839 A JP 2017014839A JP 6718573 B2 JP6718573 B2 JP 6718573B2
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- cooling water
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- egr gas
- passage
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- 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
- F02M26/23—Layout, e.g. schematics
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/243—Cylinder heads and inlet or exhaust manifolds integrally cast together
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream
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- 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
- F02M26/23—Layout, e.g. schematics
- F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers
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- 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
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- 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
- F02M26/32—Liquid-cooled heat exchangers
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- 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
- F02M26/41—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories characterised by the arrangement of the recirculation passage in relation to the engine, e.g. to cylinder heads, liners, spark plugs or manifolds; characterised by the arrangement of the recirculation passage in relation to specially adapted combustion chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P2003/006—Liquid cooling the liquid being oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
- F01P2003/024—Cooling cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
- F28D2021/0089—Oil coolers
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
させる下流側EGRガス中継流路32を設けている。また、EGRクーラ連結台座33に、EGRクーラ27から冷却水が排出される下流側冷却水流路38を設けている。一方、EGRクーラ連結台座34に、EGR装置24及びEGRクーラ27へ冷却水を供給する上流側冷却水流路39を設けている。
リードバルブ90前方を覆うことで、コレクタ25は、EGRガス流路86のEGRガス入口82側にリードバルブ90を内設する。
ため、EGRガス流路28fを流れるEGRガスの冷却効果を高めることとなる。その結果、EGR装置24で精製される混合ガスの冷却に寄与して、混合ガスによるNOx量低減効果を適正な状態に維持し易くなるという効果を奏する。
冷却水入口95の下側、EGRガス出口97の上側、及び、冷却水入口95及びEGRガス出口97間の右側それぞれに貫通穴100が設けられることで、シリンダヘッド2の連結台座34とボルト締結した場合に、冷却水入口95及びEGRガス出口97におけるシール性が確保される。
発明の趣旨を逸脱しない範囲で種々変更が可能である。
2 シリンダヘッド
3 吸気マニホールド
4 排気マニホールド
5 クランク軸
6 シリンダブロック
7 フライホイールハウジング
8 フライホイール
9 冷却ファン
24 EGR装置
25 コレクタ(EGR本体ケース)
26 吸気スロットル部材
27 EGRクーラ
28 再循環排気ガス管
29 EGRバルブ部材
31 上流側EGRガス中継流路
32 下流側EGRガス中継流路
33 EGRクーラ連結台座
34 EGRクーラ連結台座
35 冷却水排水部
36 吸気流路
37 排気流路
38 下流側冷却水中継流路
39 上流側冷却水中継流路
40 吸気入口
41 EGRガス出口
42 排気入口
43 排気集合部
44 排気出口
45 ガスケット
46 間座
47 開口部
48 燃料管
91 熱交換部
92 フランジ部
93 フランジ部
94 冷却水出口
95 冷却水入口
96 EGRガス入口
97 EGRガス出口
98 ガスケット
Claims (5)
- 複数の吸気ポートに新気を導入させる吸気流路と複数の排気ポートから排気ガスを導出させる複数の排気流路とが形成されるシリンダヘッドと、前記排気流路と連通する排気マニホールドと、前記排気マニホールドからの排気ガスの一部であるEGRガスを冷却するEGRクーラとを備えたエンジン装置であって、
前記吸気流路を集合する吸気マニホールドが、前記シリンダヘッドの左右一側部の一方に形成されており、
前記シリンダヘッドの前後一側面に前記EGRクーラが連結されるとともに、前記シリンダヘッドにおける前記EGRクーラとの連結部位に、前記EGRクーラと連通するEGRガス流路及び冷却水流路が設けられ、
前記シリンダヘッドの左右一側壁及び前後一側壁に前記冷却水流路が設けられることを特徴とするエンジン装置。 - 前記シリンダヘッドが、前記外周壁の左右一側壁及び前後両側壁に挿通される複数のボルトによって、シリンダブロック上方に締結固定されることを特徴とする請求項1に記載のエンジン装置。
- 前記シリンダヘッドが、前後他側面側であって前記吸気マニホールド端部に隣接する位置に、前記外周壁に設けられた前記冷却水流路と連通する冷却水排水部を備えたことを特徴とする請求項1又は2に記載のエンジン装置。
- 前記EGRクーラと連結する連結台座が前記シリンダヘッドの前後一側面に左右一対で設けられるとともに、左右一対の前記連結台座それぞれが、EGRガス流路及び冷却水流路を上下に並べて穿設した構成を有することを特徴とする請求項1に記載のエンジン装置。
- 前記連結台座の一方が、EGRガス流路を冷却水流路の上方に配置した構成となり、前記連結台座の他方が、EGRガス流路を冷却水流路の下方に配置した構成となる請求項4に記載のエンジン装置。
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017014839A JP6718573B2 (ja) | 2017-01-30 | 2017-01-30 | エンジン装置 |
KR1020197013324A KR102183502B1 (ko) | 2017-01-30 | 2017-11-09 | 엔진 장치 |
KR1020227001673A KR102498650B1 (ko) | 2017-01-30 | 2017-11-09 | 엔진 장치 |
CN201780078943.8A CN110199107A (zh) | 2017-01-30 | 2017-11-09 | 发动机装置 |
PCT/JP2017/040392 WO2018139003A1 (ja) | 2017-01-30 | 2017-11-09 | エンジン装置 |
EP21174598.9A EP3940223A1 (en) | 2017-01-30 | 2017-11-09 | Engine device |
EP17894049.0A EP3575588A4 (en) | 2017-01-30 | 2017-11-09 | MOTOR DEVICE |
US16/481,813 US11002174B2 (en) | 2017-01-30 | 2017-11-09 | Engine device |
KR1020207033495A KR102355836B1 (ko) | 2017-01-30 | 2017-11-09 | 엔진 장치 |
JP2020082577A JP6944567B2 (ja) | 2017-01-30 | 2020-05-08 | エンジン装置 |
US17/228,673 US20210231045A1 (en) | 2017-01-30 | 2021-04-12 | Engine Device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017014839A JP6718573B2 (ja) | 2017-01-30 | 2017-01-30 | エンジン装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020082577A Division JP6944567B2 (ja) | 2017-01-30 | 2020-05-08 | エンジン装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018123718A JP2018123718A (ja) | 2018-08-09 |
JP6718573B2 true JP6718573B2 (ja) | 2020-07-08 |
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Application Number | Title | Priority Date | Filing Date |
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JP2017014839A Active JP6718573B2 (ja) | 2017-01-30 | 2017-01-30 | エンジン装置 |
Country Status (6)
Country | Link |
---|---|
US (2) | US11002174B2 (ja) |
EP (2) | EP3575588A4 (ja) |
JP (1) | JP6718573B2 (ja) |
KR (3) | KR102498650B1 (ja) |
CN (1) | CN110199107A (ja) |
WO (1) | WO2018139003A1 (ja) |
Families Citing this family (5)
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US10815920B2 (en) * | 2018-10-19 | 2020-10-27 | Deere & Company | Engine system and method with hydrocarbon injection and EGR |
JP2021143655A (ja) | 2020-03-13 | 2021-09-24 | ヤンマーパワーテクノロジー株式会社 | エンジン |
JP2021169778A (ja) * | 2020-04-14 | 2021-10-28 | マツダ株式会社 | エンジンの吸気装置およびその組み立て方法 |
JP7476662B2 (ja) * | 2020-05-20 | 2024-05-01 | マツダ株式会社 | エンジンの吸気装置 |
JP7448501B2 (ja) | 2021-03-18 | 2024-03-12 | ヤンマーホールディングス株式会社 | エンジン装置 |
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2017
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KR102498650B1 (ko) | 2023-02-09 |
EP3940223A1 (en) | 2022-01-19 |
WO2018139003A1 (ja) | 2018-08-02 |
JP2018123718A (ja) | 2018-08-09 |
US11002174B2 (en) | 2021-05-11 |
EP3575588A4 (en) | 2019-12-18 |
US20210231045A1 (en) | 2021-07-29 |
US20200003107A1 (en) | 2020-01-02 |
KR20220013002A (ko) | 2022-02-04 |
EP3575588A1 (en) | 2019-12-04 |
KR20200133829A (ko) | 2020-11-30 |
CN110199107A (zh) | 2019-09-03 |
KR102355836B1 (ko) | 2022-01-25 |
KR20190057150A (ko) | 2019-05-27 |
KR102183502B1 (ko) | 2020-11-26 |
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