JP2019108810A - シリンダヘッド及びエンジン - Google Patents
シリンダヘッド及びエンジン Download PDFInfo
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- JP2019108810A JP2019108810A JP2017240549A JP2017240549A JP2019108810A JP 2019108810 A JP2019108810 A JP 2019108810A JP 2017240549 A JP2017240549 A JP 2017240549A JP 2017240549 A JP2017240549 A JP 2017240549A JP 2019108810 A JP2019108810 A JP 2019108810A
- Authority
- JP
- Japan
- Prior art keywords
- cylinder head
- exhaust
- cooling water
- egr
- intake
- 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.)
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Classifications
-
- 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
- F02F1/42—Shape or arrangement of intake or exhaust channels in 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
- F02F1/243—Cylinder heads and inlet or exhaust manifolds integrally cast together
-
- 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
-
- 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
-
- 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
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
-
- 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
-
- 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
-
- 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
-
- 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
- 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
- F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
-
- 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
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/16—Outlet manifold
-
- 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
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
-
- 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
- F01P7/161—Controlling of coolant flow the coolant being liquid by thermostatic control by bypassing pumps
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
Description
前記燃焼室に新気を導入させる複数の吸気ポートと、
複数の前記吸気ポートを集合する吸気集合部と、
EGRガスが通るEGR流路と、を備え、
前記複数の排気ポートの排気出口と前記EGR流路のEGRガス入口とが、平坦な第1の側面に並べて配置され、
前記吸気集合部の新気入口と前記EGR流路のEGRガス出口とが、前記第1の側面と逆側となる平坦な第2の側面に並べて配置されているものである。
前記燃焼室を冷却水で冷却するウォータージャケットと、
前記サーモスタットケースと前記ウォータージャケットに連通する冷却水通路と、をさらに備え、
前記ウォータージャケットは、冷却水が排気側から吸気側へ向かうように形成され、
前記冷却水通路は、冷却水が排気側から前記サーモスタットケース側に向かうように形成されており、
前記排気側の前記ウォータージャケットの高さは、前記吸気側の前記ウォータージャケットの高さよりも高く形成され、
前記サーモスタットケース側の前記冷却水通路の高さは、前記排気側の前記冷却水通路の高さ以上に形成されているものでもよい。
4 シリンダヘッド
4a 左側面
4b 右側面
4c 上面
15 冷却水ポンプ
21b 第2EGR配管
41 排気ポート
41b 排気出口
42 吸気ポート
43 吸気集合部
43a 新気入口
44a EGRガス入口
44b EGRガス出口
45 サーモスタットケース
45a 冷却水出口
46 ウォータージャケット
47 冷却水通路
Claims (4)
- 燃焼室から排気ガスを導出させる複数の排気ポートと、
前記燃焼室に新気を導入させる複数の吸気ポートと、
複数の前記吸気ポートを集合する吸気集合部と、
EGRガスが通るEGR流路と、を備え、
前記複数の排気ポートの排気出口と前記EGR流路のEGRガス入口とが、平坦な第1の側面に並べて配置され、
前記吸気集合部の新気入口と前記EGR流路のEGRガス出口とが、前記第1の側面と逆側となる平坦な第2の側面に並べて配置されている、エンジンのシリンダヘッド。 - 上部が開口して冷却水出口管と連通されるサーモスタットケースと、
前記燃焼室を冷却水で冷却するウォータージャケットと、
前記サーモスタットケースと前記ウォータージャケットに連通する冷却水通路と、をさらに備え、
前記ウォータージャケットは、冷却水が排気側から吸気側へ向かうように形成され、
前記冷却水通路は、冷却水が排気側から前記サーモスタットケース側に向かうように形成されており、
前記排気側の前記ウォータージャケットの高さは、前記吸気側の前記ウォータージャケットの高さよりも高く形成され、
前記サーモスタットケース側の前記冷却水通路の高さは、前記排気側の前記冷却水通路の高さ以上に形成されている、請求項1に記載のシリンダヘッド。 - 前記サーモスタットケースの冷却水出口は、平坦に加工された上面の加工面にて開口している、請求項2に記載のシリンダヘッド。
- 請求項2又は3に記載のシリンダヘッドを備え、
前記サーモスタットケースの直下に冷却水ポンプが配置されている、エンジン。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017240549A JP6871845B2 (ja) | 2017-12-15 | 2017-12-15 | シリンダヘッド及びエンジン |
PCT/JP2018/042770 WO2019116835A1 (ja) | 2017-12-15 | 2018-11-20 | シリンダヘッド及びエンジン |
EP18887935.7A EP3726044A4 (en) | 2017-12-15 | 2018-11-20 | CYLINDER HEAD AND ENGINE |
CN201880080413.1A CN111465761A (zh) | 2017-12-15 | 2018-11-20 | 气缸盖和发动机 |
KR1020207004388A KR20200095449A (ko) | 2017-12-15 | 2018-11-20 | 실린더 헤드 및 엔진 |
US16/762,559 US11067031B2 (en) | 2017-12-15 | 2018-11-20 | Cylinder head and engine |
JP2021020459A JP7386195B2 (ja) | 2017-12-15 | 2021-02-12 | エンジン |
US17/346,416 US11333100B2 (en) | 2017-12-15 | 2021-06-14 | Cylinder head and engine |
US17/740,937 US11649784B2 (en) | 2017-12-15 | 2022-05-10 | Cylinder head and engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017240549A JP6871845B2 (ja) | 2017-12-15 | 2017-12-15 | シリンダヘッド及びエンジン |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021020459A Division JP7386195B2 (ja) | 2017-12-15 | 2021-02-12 | エンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019108810A true JP2019108810A (ja) | 2019-07-04 |
JP6871845B2 JP6871845B2 (ja) | 2021-05-19 |
Family
ID=66820174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017240549A Active JP6871845B2 (ja) | 2017-12-15 | 2017-12-15 | シリンダヘッド及びエンジン |
Country Status (6)
Country | Link |
---|---|
US (3) | US11067031B2 (ja) |
EP (1) | EP3726044A4 (ja) |
JP (1) | JP6871845B2 (ja) |
KR (1) | KR20200095449A (ja) |
CN (1) | CN111465761A (ja) |
WO (1) | WO2019116835A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021134770A (ja) * | 2020-02-28 | 2021-09-13 | 株式会社クボタ | 作業車 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6871845B2 (ja) | 2017-12-15 | 2021-05-19 | ヤンマーパワーテクノロジー株式会社 | シリンダヘッド及びエンジン |
JP2023150672A (ja) * | 2022-03-31 | 2023-10-16 | スズキ株式会社 | 内燃機関のカム角センサの取付構造 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5665153U (ja) * | 1979-10-18 | 1981-06-01 | ||
JP2002004955A (ja) * | 2000-05-12 | 2002-01-09 | Iveco Fiat Spa | 排気ガス再循環システムを備える、特に自動車用内燃機関 |
JP2002106420A (ja) * | 2000-09-29 | 2002-04-10 | Mazda Motor Corp | エンジンの排気ガス還流通路構造 |
DE10062169A1 (de) * | 2000-12-14 | 2002-06-20 | Volkswagen Ag | Brennkraftmaschine mit Abgasrückführung |
JP2003201842A (ja) * | 2002-01-07 | 2003-07-18 | Suzuki Motor Corp | エンジンの冷却装置 |
JP2010150927A (ja) * | 2008-12-23 | 2010-07-08 | Honda Motor Co Ltd | 内燃機関の排気ガス再循環装置 |
WO2013121121A1 (fr) * | 2012-02-15 | 2013-08-22 | Peugeot Citroën Automobiles SA | Support moteur integrant un conduit de recirculation des gaz d'echappement, culasse adaptee et vehicule correspondant |
FR3000778A1 (fr) * | 2013-01-04 | 2014-07-11 | Peugeot Citroen Automobiles Sa | Joint d'etancheite |
JP2016070114A (ja) * | 2014-09-29 | 2016-05-09 | 株式会社クボタ | エンジンの水冷装置 |
JP2016079814A (ja) * | 2014-10-10 | 2016-05-16 | 株式会社クボタ | エンジンのシリンダヘッド冷却装置 |
FR3046633A1 (fr) * | 2016-01-11 | 2017-07-14 | Peugeot Citroen Automobiles Sa | Moteur a combustion interne comprenant un systeme de recyclage de gaz d’echappement |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1519155A (en) * | 1922-07-01 | 1924-12-16 | Packard Motor Car Co | Internal-combustion engine |
JPS5665153A (en) | 1979-11-01 | 1981-06-02 | Ricoh Co Ltd | Holding device of electrode plate for electrostatic recording device |
JPH09109995A (ja) * | 1995-10-18 | 1997-04-28 | Sanshin Ind Co Ltd | 船外機用エンジン |
JP3850940B2 (ja) | 1997-01-13 | 2006-11-29 | ヤマハ発動機株式会社 | エンジンのサーモハウジング構造 |
EP1195504B1 (en) * | 2000-10-03 | 2006-12-27 | Mazda Motor Corporation | Engine block structure for reciprocating engine |
US6959687B2 (en) * | 2001-05-17 | 2005-11-01 | Honda Giken Kogyo Kabushiki Kaisha | SOHC type engine |
JP3706809B2 (ja) * | 2001-05-17 | 2005-10-19 | 本田技研工業株式会社 | 多気筒エンジン |
JP4015528B2 (ja) * | 2002-10-21 | 2007-11-28 | 愛三工業株式会社 | 内燃機関の排気還流装置 |
JP5387612B2 (ja) * | 2010-06-25 | 2014-01-15 | マツダ株式会社 | エンジンの排気還流装置 |
JP2015034530A (ja) | 2013-08-09 | 2015-02-19 | トヨタ自動車株式会社 | Egr装置 |
JP6168042B2 (ja) * | 2014-12-26 | 2017-07-26 | マツダ株式会社 | エンジンの排気ガス還流装置 |
US10247143B2 (en) * | 2016-03-10 | 2019-04-02 | Subaru Corporation | Exhaust gas recirculation apparatus |
JP6473096B2 (ja) * | 2016-03-29 | 2019-02-20 | ヤンマー株式会社 | エンジン装置 |
KR101970930B1 (ko) * | 2016-03-29 | 2019-08-13 | 얀마 가부시키가이샤 | 엔진 장치 |
JP2017180227A (ja) | 2016-03-29 | 2017-10-05 | ヤンマー株式会社 | エンジン装置 |
US10316802B2 (en) * | 2017-03-28 | 2019-06-11 | Hyundai Motor Company | Exhaust gas recirculation device for vehicle |
JP6871845B2 (ja) | 2017-12-15 | 2021-05-19 | ヤンマーパワーテクノロジー株式会社 | シリンダヘッド及びエンジン |
-
2017
- 2017-12-15 JP JP2017240549A patent/JP6871845B2/ja active Active
-
2018
- 2018-11-20 WO PCT/JP2018/042770 patent/WO2019116835A1/ja unknown
- 2018-11-20 US US16/762,559 patent/US11067031B2/en active Active
- 2018-11-20 CN CN201880080413.1A patent/CN111465761A/zh active Pending
- 2018-11-20 EP EP18887935.7A patent/EP3726044A4/en active Pending
- 2018-11-20 KR KR1020207004388A patent/KR20200095449A/ko not_active Application Discontinuation
-
2021
- 2021-06-14 US US17/346,416 patent/US11333100B2/en active Active
-
2022
- 2022-05-10 US US17/740,937 patent/US11649784B2/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5665153U (ja) * | 1979-10-18 | 1981-06-01 | ||
JP2002004955A (ja) * | 2000-05-12 | 2002-01-09 | Iveco Fiat Spa | 排気ガス再循環システムを備える、特に自動車用内燃機関 |
JP2002106420A (ja) * | 2000-09-29 | 2002-04-10 | Mazda Motor Corp | エンジンの排気ガス還流通路構造 |
DE10062169A1 (de) * | 2000-12-14 | 2002-06-20 | Volkswagen Ag | Brennkraftmaschine mit Abgasrückführung |
JP2003201842A (ja) * | 2002-01-07 | 2003-07-18 | Suzuki Motor Corp | エンジンの冷却装置 |
JP2010150927A (ja) * | 2008-12-23 | 2010-07-08 | Honda Motor Co Ltd | 内燃機関の排気ガス再循環装置 |
WO2013121121A1 (fr) * | 2012-02-15 | 2013-08-22 | Peugeot Citroën Automobiles SA | Support moteur integrant un conduit de recirculation des gaz d'echappement, culasse adaptee et vehicule correspondant |
FR3000778A1 (fr) * | 2013-01-04 | 2014-07-11 | Peugeot Citroen Automobiles Sa | Joint d'etancheite |
JP2016070114A (ja) * | 2014-09-29 | 2016-05-09 | 株式会社クボタ | エンジンの水冷装置 |
JP2016079814A (ja) * | 2014-10-10 | 2016-05-16 | 株式会社クボタ | エンジンのシリンダヘッド冷却装置 |
FR3046633A1 (fr) * | 2016-01-11 | 2017-07-14 | Peugeot Citroen Automobiles Sa | Moteur a combustion interne comprenant un systeme de recyclage de gaz d’echappement |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021134770A (ja) * | 2020-02-28 | 2021-09-13 | 株式会社クボタ | 作業車 |
US11781468B2 (en) | 2020-02-28 | 2023-10-10 | Kubota Corporation | Work vehicle |
JP7365936B2 (ja) | 2020-02-28 | 2023-10-20 | 株式会社クボタ | 作業車 |
Also Published As
Publication number | Publication date |
---|---|
CN111465761A (zh) | 2020-07-28 |
JP6871845B2 (ja) | 2021-05-19 |
KR20200095449A (ko) | 2020-08-10 |
EP3726044A4 (en) | 2021-07-21 |
US20200340423A1 (en) | 2020-10-29 |
US20220268235A1 (en) | 2022-08-25 |
US11067031B2 (en) | 2021-07-20 |
EP3726044A1 (en) | 2020-10-21 |
US11333100B2 (en) | 2022-05-17 |
US20210301758A1 (en) | 2021-09-30 |
WO2019116835A1 (ja) | 2019-06-20 |
US11649784B2 (en) | 2023-05-16 |
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