SU953991A3 - Cylinder head of four-stroke diesel engine - Google Patents
Cylinder head of four-stroke diesel engine Download PDFInfo
- Publication number
- SU953991A3 SU953991A3 SU792764714A SU2764714A SU953991A3 SU 953991 A3 SU953991 A3 SU 953991A3 SU 792764714 A SU792764714 A SU 792764714A SU 2764714 A SU2764714 A SU 2764714A SU 953991 A3 SU953991 A3 SU 953991A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- cooling
- head
- channels
- channel
- cylinder
- Prior art date
Links
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
- F02F1/26—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
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
-
- 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
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/14—Direct injection into combustion chamber
-
- 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
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
-
- 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
- F02F2001/244—Arrangement of valve stems in cylinder heads
- F02F2001/247—Arrangement of valve stems in cylinder heads the valve stems being orientated in parallel with the cylinder axis
-
- 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
Abstract
Description
39 Согласно другому варианту изобретени контур днища содержит группу каналов-охлаждени зон.головки, кажда из которых ограничена двум пересекающимис на продольной оси цилиндра радиальными плоскост ми двух соседних клапанов, причем кажда группа каналов охлаждени образована одним радиальным внут-ренним каналом и несколькими, соединенными с ним, внешними каналами, расположенными по периферии головки в радиальном направлении. Пр| этом внешние каналы сообщены с каналами охлаждени гильзы при помощи каналов, выполненных в нижней части головки. На фиг,1 представлено аксиальное сечение через разделенную на верхнюю и нижнюю части головки цилиндра и верхнюю часть гильзы цилиндра на фиг.2 - сечение А-А на фиг.1; на фиг.З - сечение Б-Б на фиг..2; на фиг.4 - сечение В-В на фиг.ЗГоловка цилиндров состоит из верх-25 нижней ней части 1, нижней части 2, укрепленных вместе, с гильЭйй 3 цилиндра направл ющий рабочий поршень (не показан)посредством винтов 4 на непоказанном блоке цилиндров. Парал лельно к оси гильзы 3 цилиндра проход т две выемки 5 и 6 в верхней и нижней части головки, причём выемки 5 содержат выпускной клапан 7 а выемки 6 - впускной клапан 8. Верхн часть 1 головки цилиндра имеет газовые каналы 9 и камеру 10, подающую охлаждающую среду к каналам 9,, а также выемку 11,. расположенн коаксиально гильзе 3 цилиндра, со втулкой 12, проход щей в нижнюю часть 2, и служащей корпусом непока занной топливной форсунки. Между верхней и нижней част ми 1 и 2 рас положень окружающа с зазором втулку 12 уплотнительна гильза 13) допускающа свободное протекание пост пающей из каналов 14 и 15 охлаждени днища головки через .каналы 1б охлаждающей среды к камере 10, и преп тствующа выходу реды через ра елительную inoBepxHOCTbi. между част ми t и 2. Каналы 14 и 15 дл охлаждени дн ща головки цилиндра распределены в плоскости вблизи обращенной к каме ре сгорани 17 донной поверхности 18 головки цилиндра (фиг.2). Эта 1 плоскость лежит под плоскостью, в которой наход тс каналы охлаждени седел клапанов. Охлаждение .днища головки разделено на четыре зоны, кажда из которых ограничена двум пересекающимис на продольной оси 19 цилиндра радиальными плоскост ми. Каждой такой зоне охлаждени предназначена группа каналов охлаждени Ik и 15. Кажда из этих групп состоит из радиального внутреннего канала И и трех сообщающихс с ним, расположенных по периферии в радиальном направлении внешних каналов 15 закрытых наружу резьбовыми пробками 20, Внутренние каналы lA через соединительные каналы 16 сообщаютс с предусмотренными.с одной стороны между втулкой 12 и нижней частью 2 кольцевым каналом 21, который в свою очередь, сообщаетс с камерой 10. Внешние каналы 15 сообщаютс с каналами охлаждени 22 помощи каналов 23 выполненных а кожухе 24 части головки. Кожух и нижн часть головки выполнены за одно цеioe , причем кожух 24 воспринимает раст гивающие усили гильзы 3 цилиндра . Каналы 23 закрыты вниз посредством резьбовых пробок 25 и через канал 26 и радиальные какольцевой налы 27 сообщаютс с каналами 22 охлаждени , выполненными в гильзе 3 цилиндра, Согласно другому варианту исполнени .изобретени в выемках 5 и 6 впрессовано по одному кольцу 28 седла клапана с посадочной поверхностью 29. По внешней окружности каждого кольца 28-седла клапана между последним и ограничивающей поверхности выемки предусмотрен нижний, обращенный к посадочной .поверхности 29 клапана кольцевой канал30 и верхний кольце вой канал 31, который сообщен с каналом 30 через выемки 32. Подвод щий канал 33 ведет отпериферийной поверх-, ности нижней части 2 гойовки цилиндра к нижнему кольцевому каналу 30 и отвод щий канал 34 - от верхнего кольцевого канала наружу. Благодар полному отделению цикла охлаждени седел каналов от цикла охлаждени днища головки обеспечиваетс возможность рассчитывать их независимо друг от друга. Температура охлаждени и скорость потока охлаждающей среды могут выбиратьс по желанию . При этом дл охлаждени седла клапана требуютс относительно малые колимества средства охлаждени . В цикле охлаждени днища головки охлаждающа среда течет следующим образом: .от охлаждающих каналов 22 гильзы 3 цилиндра через кольцевой канал 26, радиальные каналы 27 и каналы 23. Далее охлаждающа среда те .чет через внешние каналы 15 по внут ренним каналам J4, при этом охлажда , днище головки, после чего она через каналы 16 и.кольцевой канал 21 попадает в 10, Охлаждающа среда в каналах дл охлаждени днищ головки цилиндра имеет температуру 120 до 130 С и скорость протекани через внутренние каналы Ьолее, чем 1м/с... в цикле охлаждени седел охлаждающее средство течет через подвод щий канал 33 в нижний канал 30 и охлажда при этом соответствую щую поверхность 29, далее через выем ки 32 - 3 верхний кольцевой канал 3 и через отвод щий канал 3 к периферийной поверхности нижней части 2 головки цилиндра. Каналы 33 и 3 на их внешних концах св зань с непоказанными подвод щими и отвод щим магистрал ми, к. которым подключен н39 According to another embodiment of the invention, the bottom contour comprises a group of channel-cooling zones of the head, each of which is limited by two radial planes of two adjacent valves intersecting on the longitudinal axis of the cylinder, each group of cooling channels being formed by one radial internal channel and several connected to him, the external channels located on the periphery of the head in the radial direction. Pr | This external channels communicated with the channels of the cooling sleeves using channels made in the lower part of the head. Fig. 1 shows an axial section through a divided into upper and lower parts of the cylinder head and the upper part of the cylinder liner in figure 2 - section AA, in figure 1; on fig.Z - section bb in fig.2; Fig. 4 is a section B-B in Fig. 3. A cylinder head consists of a top-25 lower lower part 1, lower part 2 fastened together, with a cylinder 3, a working piston guiding piston (not shown) by means of screws 4 on a cylinder block not shown . Two recesses 5 and 6 in the upper and lower parts of the head pass parallel to the cylinder liner axis 3, and recesses 5 contain an exhaust valve 7 and recesses 6 - an inlet valve 8. The upper part 1 of the cylinder head has gas channels 9 and a chamber 10, supplying coolant to the channels 9 ,, as well as the notch 11 ,. located coaxially to the cylinder liner 3, with the sleeve 12, passing into the lower part 2, and serving as a housing for an uncoupled fuel injector. Between the upper and lower parts 1 and 2 of the space surrounding the gap, sleeve 12, sealing sleeve 13) allowing the free flow of the bottom head cooling channel 14 and 15 through the cooling medium channels 1b to the chamber 10, and preventing the output from passing through inoBepxHOCTbi. between parts t and 2. Channels 14 and 15 for cooling the bottom of the cylinder head are distributed in a plane in the vicinity of the combustion chamber 17 of the bottom surface 18 of the cylinder head (Fig. 2). This 1 plane lies under the plane in which the cooling channels of the valve seats are located. The cooling of the bottom is divided into four zones, each of which is limited by two radial planes intersecting on the longitudinal axis 19 of the cylinder. Each such cooling zone is assigned a group of cooling channels Ik and 15. Each of these groups consists of a radial internal channel I and three communicating with it, located along the periphery in the radial direction of the external channels 15 closed to the outside by threaded plugs 20, Internal channels lA through connecting channels 16 communicating with those provided, on the one hand, between the sleeve 12 and the lower part 2, an annular channel 21, which in turn communicates with the chamber 10. The external channels 15 communicate with the cooling channels 22 of the relief channel 23 and casing 24 made of the head. The casing and the lower part of the head are made in one stage, and the casing 24 perceives the tensile forces of the sleeve 3 of the cylinder. The channels 23 are closed down by means of threaded plugs 25 and through channel 26 and radial c-rings 27 communicate with cooling channels 22 made in the cylinder liner 3. 29. Along the outer circumference of each ring of the 28-valve seat between the latter and the limiting surface of the recess, there is a lower annular bore 30 facing the seating surface 29 of the valve and the upper annular channel 31, which is The canal with the channel 30 through the recesses 32. The inlet channel 33 leads from the periphery surface of the lower part 2 of the cylinder liner to the lower annular channel 30 and the outlet channel 34 from the upper annular channel to the outside. By completely separating the cooling cycle of the channel seats from the cooling cycle of the head bottom, it is possible to calculate them independently of each other. The cooling temperature and the flow rate of the cooling medium can be selected as desired. In addition, relatively small amounts of cooling means are required to cool the valve seat. In the head cooling cycle, the cooling medium flows as follows: from the cooling channels 22 of the cylinder liner 3 through the annular channel 26, the radial channels 27 and the channels 23. Next, the cooling medium flows through the external channels 15 through the internal channels J4, while cooling , the bottom of the head, after which it passes through the channels 16 and the ring channel 21 enters 10, the cooling medium in the channels for cooling the bottoms of the cylinder head has a temperature of 120 to 130 ° C and the flow rate through the internal channels is more than 1 m / s ... saddle cooling cycle The means flows through the inlet channel 33 into the lower channel 30 and at the same time cools the corresponding surface 29, then through the recesses 32 - 3 the upper annular channel 3 and through the outlet channel 3 to the peripheral surface of the lower part 2 of the cylinder head. The channels 33 and 3 at their outer ends are connected with unsupported supply and discharge lines to which they are connected
сос. При описанных формах выполнени охлаж;,ени верхн часть 1 выполнена предпочтительно из серого чугуна или чугуна с шаровидным графитом , а нижн часть 2 из стали или стального лить . Кожух 2 может быть выполнен в качестве отдельной детали, из серого чугуна иЛи стального лить .SOS. In the described embodiments of cooling;, the upper part 1 is preferably made of gray iron or nodular cast iron, and the lower part 2 is made of steel or cast steel. Casing 2 can be made as a separate part, from gray cast iron or steel casting.
Claims (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH577378A CH628399A5 (en) | 1978-05-26 | 1978-05-26 | ARRANGEMENT FOR COOLING THE CYLINDER COVER OF A FOUR-STROKE DIESEL ENGINE. |
Publications (1)
Publication Number | Publication Date |
---|---|
SU953991A3 true SU953991A3 (en) | 1982-08-23 |
Family
ID=4299095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU792764714A SU953991A3 (en) | 1978-05-26 | 1979-05-23 | Cylinder head of four-stroke diesel engine |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS54155328A (en) |
CH (1) | CH628399A5 (en) |
DE (1) | DE2825298C2 (en) |
DK (1) | DK196979A (en) |
ES (1) | ES480069A1 (en) |
FI (1) | FI66057C (en) |
FR (1) | FR2426806A1 (en) |
GB (1) | GB2021691B (en) |
IT (1) | IT1113936B (en) |
NL (1) | NL188049C (en) |
NO (1) | NO149934C (en) |
SE (1) | SE7904497L (en) |
SU (1) | SU953991A3 (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT389565B (en) * | 1980-06-16 | 1989-12-27 | List Hans | MULTI-CYLINDER WATER-COOLED INTERNAL COMBUSTION ENGINE |
JPS6117231Y2 (en) * | 1980-11-14 | 1986-05-27 | ||
AT381142B (en) * | 1981-02-19 | 1986-08-25 | List Hans | COOLED VALVE SEAT FOR INLET AND EXHAUST VALVES OF INTERNAL COMBUSTION ENGINES |
DE3412052A1 (en) * | 1984-03-31 | 1985-10-03 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | COOLING DEVICE |
US4714058A (en) * | 1984-12-10 | 1987-12-22 | Mazda Motor Corporation | Spark-ignited internal combustion engine |
DE3521843A1 (en) * | 1985-06-19 | 1987-01-02 | Kloeckner Humboldt Deutz Ag | CYLINDER HEAD FOR LIQUID-COOLED INTERNAL COMBUSTION ENGINE |
DE3710630A1 (en) * | 1987-03-31 | 1988-07-07 | Audi Ag | Liquid-cooled cylinder head |
DE4420130C1 (en) * | 1994-06-09 | 1995-11-16 | Mtu Friedrichshafen Gmbh | Cylinder head for an internal combustion engine |
US5453573A (en) * | 1994-07-25 | 1995-09-26 | Caterpillar Inc. | Engine cooling system |
EP0782665B1 (en) * | 1994-09-19 | 1998-08-05 | Motoren-Werke Mannheim Ag | Internal combustion engine |
DE19714496B4 (en) * | 1997-04-08 | 2008-04-03 | Bayerische Motoren Werke Ag | Electromagnetic actuator for an internal combustion engine globe valve |
EP1128034A3 (en) * | 2000-02-22 | 2003-01-29 | Jenbacher Aktiengesellschaft | Fastening sleeve for spark plug |
AT6295U1 (en) * | 2002-04-04 | 2003-07-25 | Avl List Gmbh | CYLINDER HEAD OF AN INTERNAL COMBUSTION ENGINE |
AT414157B (en) * | 2004-07-08 | 2006-09-15 | Avl List Gmbh | CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE |
AT506474B1 (en) * | 2009-06-15 | 2010-12-15 | Avl List Gmbh | CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE |
FI124012B (en) * | 2012-01-18 | 2014-01-31 | Waertsilae Finland Oy | Cooling device for a valve seat |
AT513053B1 (en) * | 2012-06-26 | 2014-03-15 | Avl List Gmbh | Internal combustion engine, in particular large diesel engine |
US9422886B2 (en) * | 2013-07-03 | 2016-08-23 | Electro-Motive Diesel, Inc. | Cylinder head assembly having cooled valve insert |
CN103939226B (en) * | 2014-04-25 | 2017-02-01 | 温州大学 | Diesel engine cylinder head with multi-stage jet device |
JP6303991B2 (en) * | 2014-11-13 | 2018-04-04 | トヨタ自動車株式会社 | cylinder head |
CN104405467A (en) * | 2014-12-08 | 2015-03-11 | 广西玉柴机器股份有限公司 | Valve retainer cooling structure |
AT519991B1 (en) * | 2017-06-02 | 2019-07-15 | Avl List Gmbh | Cylinder head with valve seat ring cooling |
CN107143430B (en) * | 2017-07-06 | 2023-11-14 | 中国船舶集团有限公司第七一一研究所 | Cylinder cover of diesel engine |
JP6499783B1 (en) * | 2018-03-20 | 2019-04-10 | ダイハツディーゼル株式会社 | Cylinder head cooling structure, cylinder head having cooling structure |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB131719A (en) * | 1918-08-24 | 1919-08-25 | Vickers Ltd | Improvements in or relating to the Water Cooling of Internal Combustion Engines. |
GB394229A (en) * | 1932-05-11 | 1933-06-22 | Ingersoll Rand Co | Improvements in valve cages for internal-combustion engine cylinders |
GB668962A (en) * | 1949-03-09 | 1952-03-26 | Sulzer Ag | Improvements relating to machine parts with inserted valve seats |
GB1134200A (en) * | 1966-10-05 | 1968-11-20 | Paxman & Co Ltd Davey | Improvements in and relating to internal combustion engines |
DE1576727A1 (en) * | 1967-11-22 | 1970-06-18 | Kloeckner Humboldt Deutz Ag | Cylinder head for a liquid-cooled valve-controlled internal combustion engine |
CH545915A (en) * | 1971-12-09 | 1974-02-15 |
-
1978
- 1978-05-26 CH CH577378A patent/CH628399A5/en not_active IP Right Cessation
- 1978-06-09 DE DE2825298A patent/DE2825298C2/en not_active Expired
-
1979
- 1979-04-28 ES ES480069A patent/ES480069A1/en not_active Expired
- 1979-05-03 IT IT22325/79A patent/IT1113936B/en active
- 1979-05-10 FI FI791502A patent/FI66057C/en not_active IP Right Cessation
- 1979-05-14 DK DK196979A patent/DK196979A/en not_active Application Discontinuation
- 1979-05-14 NL NLAANVRAGE7903784,A patent/NL188049C/en not_active IP Right Cessation
- 1979-05-22 SE SE7904497A patent/SE7904497L/en not_active Application Discontinuation
- 1979-05-23 SU SU792764714A patent/SU953991A3/en active
- 1979-05-25 FR FR7913398A patent/FR2426806A1/en active Granted
- 1979-05-25 NO NO791719A patent/NO149934C/en unknown
- 1979-05-25 JP JP6485779A patent/JPS54155328A/en active Pending
- 1979-05-29 GB GB7918588A patent/GB2021691B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NO149934C (en) | 1984-07-18 |
DE2825298C2 (en) | 1982-04-15 |
FR2426806B1 (en) | 1984-12-28 |
FR2426806A1 (en) | 1979-12-21 |
FI791502A (en) | 1979-11-27 |
DK196979A (en) | 1979-11-27 |
FI66057B (en) | 1984-04-30 |
FI66057C (en) | 1984-08-10 |
SE7904497L (en) | 1979-11-27 |
IT1113936B (en) | 1986-01-27 |
JPS54155328A (en) | 1979-12-07 |
NL7903784A (en) | 1979-11-28 |
NO791719L (en) | 1979-11-27 |
ES480069A1 (en) | 1980-01-01 |
GB2021691A (en) | 1979-12-05 |
NL188049C (en) | 1992-03-16 |
CH628399A5 (en) | 1982-02-26 |
IT7922325A0 (en) | 1979-05-03 |
DE2825298A1 (en) | 1979-11-29 |
NL188049B (en) | 1991-10-16 |
GB2021691B (en) | 1982-12-08 |
NO149934B (en) | 1984-04-09 |
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