EP0854271B1 - Nockenwellenlageranordnung im Zylinderkopf einer Brennkraftmaschine - Google Patents
Nockenwellenlageranordnung im Zylinderkopf einer Brennkraftmaschine Download PDFInfo
- Publication number
- EP0854271B1 EP0854271B1 EP97121420A EP97121420A EP0854271B1 EP 0854271 B1 EP0854271 B1 EP 0854271B1 EP 97121420 A EP97121420 A EP 97121420A EP 97121420 A EP97121420 A EP 97121420A EP 0854271 B1 EP0854271 B1 EP 0854271B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- camshaft
- internal combustion
- combustion engine
- cylinder head
- cover
- 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.)
- Expired - Lifetime
Links
Images
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
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/006—Camshaft or pushrod housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L1/053—Camshafts overhead type
- F01L1/0532—Camshafts overhead type the cams being directly in contact with the driven valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L1/053—Camshafts overhead type
- F01L2001/0537—Double overhead camshafts [DOHC]
-
- 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
- F02B2275/18—DOHC [Double overhead camshaft]
Definitions
- the invention relates to a camshaft bearing arrangement for storing at least one camshaft in the cylinder head Internal combustion engine according to the preamble of patent claim 1.
- EP 0 250 797 A2 describes a generic camshaft bearing arrangement for the storage of camshafts in the cylinder head Internal combustion engine known, with camshaft bearings in one removable cover are arranged.
- the lid forms one End wall of the cylinder head, which has a control chamber section of the cylinder head of the internal combustion engine.
- a camshaft bearing arrangement is known from EP 0 459 341 A1, with a removable cover to form a gearbox with a bearing for one from the housing of the cylinder head projecting end of the camshafts is provided.
- a major advantage of the camshaft bearing arrangement according to the invention is that by integrating a Flange area for a feed pump in the cover of the internal combustion engine in addition to those also integrated in the lid Camshaft bearings another function without magnification the overall length of the cylinder head is accommodated. Further enables the self-contained design of the camshaft bearing a relatively rigid mounting of the camshaft.
- FIG. 1 shows a camshaft bearing arrangement according to the invention for mounting an intake-side camshaft 1 and one in parallel for this purpose extending camshaft 2 in the cylinder head 3 a multi-cylinder internal combustion engine.
- the cylinder head 3 is of a cylinder head cover, not shown here covered.
- the cylinder head 3 has an end face 4 of the internal combustion engine a removable housing part 5, which is designed as a cover is, which with several not shown here Screws is attached to the internal combustion engine.
- the cover 5 forms part of an end wall 6 of the cylinder head 3 from, the cover 5 up to a connection the cylinder head cover of the internal combustion engine extends and one Control room section 7 of the cylinder head 3 covers.
- the top 5 is provided with a sealing surface 8, sealing with a pad of the cylinder head cover cooperates.
- the cover 5 has a suspension eye 10 for attaching a load hook for the transport of the internal combustion engine.
- each is in the direction of a longitudinal central axis 11 camshafts 1 of the internal combustion engine, 2 with inlet cam 12 and outlet cam 13 for actuating Inlet valves 14 and 15 are provided, of which here only the valve stems 14a, 15a with valve spring retainers 14b, 15b are shown.
- the intake valves 14 and exhaust valves 15 are rotated with respect to the longitudinal central axis 11, wherein on each camshaft 1, 2, the intake cams 12 and Exhaust cams 13 alternately follow each other.
- the camshafts 1, 2 are arranged in several spaced apart Camshaft bearings 16, 17 rotatably supported, of which here only the lower parts of the bearing are shown.
- End camshaft bearing 16a is according to the invention in the screwed cover 5 of the internal combustion engine and this leads to a shorter overall length of the cylinder head 3.
- This final camshaft bearing 16a is closed End shield formed.
- the lid 5 has one Flange area 19 on (see Fig. 2) to which a feed pump 20 is flanged by the intake-side camshaft 1 is driven.
- the feed pump 20 serves to promote Fuel from the engine's tank.
- the end region 21 has an outlet side Camshaft 2 an integral with it
- Driving bell 22 for driving one also on the flange area 19 of the lid 5 attached high pressure pump 23, the communicates with the feed pump 20 and for fuel supply the injection system of the internal combustion engine.
- the sealing of the two camshafts 1, 2 against the cover 5 is not visible here in the cover 5 inserted here Shaft sealing rings reached.
- the camshafts 1, 2 can otherwise serve to drive a wide variety of units.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Description
- Fig. 1
- in einer Draufsicht eine erfindungsgemäße Nockenwellenlageranordnung im Zylinderkopf einer Brennkraftmaschine mit einem stirnseitig an der Brennkraftmaschine angeflanschten, abnehmbaren Deckel und
- Fig. 2
- eine stirnseitige Draufsicht auf den Deckel der Brennkraftmaschine.
Claims (7)
- Nockenwellenlageranordnung zur Lagerung mindestens einer Nockenwelle (1) im Zylinderkopf (3) einer Brennkraftmaschine, wobei mindestens ein an einem Ende (18) der Nockenwelle (1) angeordnetes Nockenwellenlager (16a) in einem abnehmbaren Gehäuseteil (5) der Brennkraftmaschine angeordnet ist, wobei das als Deckel (5) ausgebildete Gehäuseteil eine einen Steuerraumabschnitt (7) des Zylinderkopfes (3) abdeckende Stirnwand (6) des Zylinderkopfes (3) der Brennkraftmaschine bildet,
dadurch gekennzeichnet,
d a ß der Deckel (5) einen Flanschbereich (19) aufweist, an den eine Förderpumpe (20) angeflanscht ist, die von der Nockenwelle (1) angetrieben wird. - Nockenwellenlageranordnung nach Anspruch 1,
dadurch gekennzeichnet,
d a ß die Förderpumpe (20) von der einlaßseitigen Nockenwelle (1) angetrieben wird. - Nockenwellenlageranordnung nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
d a ß die Förderpumpe (20) zur Förderung von Kraftstoff aus dem Tank der Brennkraftmaschine dient. - Nockenwellenlageranordnung nach Anspruch 1,
dadurch gekennzeichnet,
d a ß der Deckel (5) sich bis zum Anschluß an eine Zylinderkopfhaube erstreckt. - Nockenwellenlageranordnung nach Anspruch 1,
dadurch gekennzeichnet,
d a ß das endseitige Nockenwellenlager (16a) als in sich geschlossenes Lagerschild ausgebildet ist. - Nockenwellenlageranordnung nach Anspruch 1,
dadurch gekennzeichnet,
d a ß die Nockenwelle (2) im Endbereich (21) mit einer einstückig angeformten Mitnehmerglocke (22) für den Antrieb einer Hochdruckpumpe (23) versehen ist. - Nockenwellenlageranordung nach Anspruch 1,
dadurch gekennzeichnet,
d a ß der Deckel (5) eine Aufhängeöse (10) zum Transport der Brennkraftmaschine ausbildet.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19701874 | 1997-01-21 | ||
DE19701874A DE19701874C5 (de) | 1997-01-21 | 1997-01-21 | Nockenwellenlageranordnung im Zylinderkopf einer Brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0854271A1 EP0854271A1 (de) | 1998-07-22 |
EP0854271B1 true EP0854271B1 (de) | 2001-10-31 |
Family
ID=7817868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97121420A Expired - Lifetime EP0854271B1 (de) | 1997-01-21 | 1997-12-05 | Nockenwellenlageranordnung im Zylinderkopf einer Brennkraftmaschine |
Country Status (3)
Country | Link |
---|---|
US (1) | US5934235A (de) |
EP (1) | EP0854271B1 (de) |
DE (2) | DE19701874C5 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19846586B4 (de) * | 1998-10-09 | 2009-07-09 | Audi Ag | Verfahren zum Herstellen eines zusammengesetzten Gehäuses |
JP3721468B2 (ja) * | 2002-03-11 | 2005-11-30 | 愛知機械工業株式会社 | シリンダヘッド構造 |
US6953015B2 (en) * | 2002-07-23 | 2005-10-11 | Honda Giken Hogyo Kabushiki Kaisha | Engine |
DE10322306B4 (de) * | 2003-05-17 | 2014-03-13 | Daimler Ag | Lageraufnahme eines Zylinderkopfgehäuses |
US7395790B2 (en) | 2004-11-18 | 2008-07-08 | S&S Cycle, Inc. | Reed valve breather for evolution engine |
JP2007002739A (ja) * | 2005-06-23 | 2007-01-11 | Honda Motor Co Ltd | エンジン |
JP2011127432A (ja) * | 2009-12-15 | 2011-06-30 | Hitachi Automotive Systems Ltd | バルブタイミング制御装置用カバー及びその製造方法 |
EP3097287B1 (de) * | 2014-01-24 | 2019-06-12 | Eaton Corporation | Luftzufuhrsystem für eine landwirtschaftliche maschine |
CN105980683B (zh) * | 2014-01-24 | 2019-10-18 | 伊顿智能动力有限公司 | 用于农业机械的冷却系统和空气输送系统 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1406271A (en) * | 1921-01-17 | 1922-02-14 | Henry C Michelsen | Internal-combustion engine |
US2968293A (en) * | 1958-12-31 | 1961-01-17 | Gen Motors Corp | Internal combustion engine |
JPS59211754A (ja) * | 1983-05-18 | 1984-11-30 | Honda Motor Co Ltd | 内燃機関における燃料ポンプ駆動装置 |
GB2142975B (en) * | 1983-07-05 | 1987-05-13 | Honda Motor Co Ltd | Internal combustion engine having single overhead camshaft |
IT1190034B (it) * | 1986-06-05 | 1988-02-10 | Ducati Meccanica Spa | Testa a quattro valvole a comando desmodromico per motori a scoppio |
DE3643438C1 (en) * | 1986-12-19 | 1987-10-29 | Bayerische Motoren Werke Ag | Internal combustion engine with an auxiliary device driven by way of the camshaft and an additional camshaft bearing |
JP2611838B2 (ja) * | 1989-06-30 | 1997-05-21 | マツダ株式会社 | Dohcエンジンのカム軸軸受構造 |
EP0458341A1 (de) * | 1990-05-24 | 1991-11-27 | Mazda Motor Corporation | Zylinderkopf eines Doppelnockenwellenmotors |
US5215047A (en) * | 1992-06-12 | 1993-06-01 | Ford Motor Company | Seal assembly |
US5323750A (en) * | 1993-08-25 | 1994-06-28 | Kohler Co. | Integral engine valve cover and fuel pump |
JP3145591B2 (ja) * | 1994-11-16 | 2001-03-12 | ヤマハ発動機株式会社 | 車両の圧縮空気供給装置 |
US5645024A (en) * | 1995-10-26 | 1997-07-08 | Cloyes Gear & Products | Camshaft end-play adjustment device |
-
1997
- 1997-01-21 DE DE19701874A patent/DE19701874C5/de not_active Expired - Fee Related
- 1997-12-05 EP EP97121420A patent/EP0854271B1/de not_active Expired - Lifetime
- 1997-12-05 DE DE59705174T patent/DE59705174D1/de not_active Expired - Lifetime
-
1998
- 1998-01-20 US US09/009,029 patent/US5934235A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0854271A1 (de) | 1998-07-22 |
DE19701874C1 (de) | 1998-06-10 |
US5934235A (en) | 1999-08-10 |
DE59705174D1 (de) | 2001-12-06 |
DE19701874C5 (de) | 2006-06-22 |
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