EP1034358B1 - Zylinderkopf für eine brennkraftmaschine mit pumpedüse-einheit - Google Patents
Zylinderkopf für eine brennkraftmaschine mit pumpedüse-einheit Download PDFInfo
- Publication number
- EP1034358B1 EP1034358B1 EP98956849A EP98956849A EP1034358B1 EP 1034358 B1 EP1034358 B1 EP 1034358B1 EP 98956849 A EP98956849 A EP 98956849A EP 98956849 A EP98956849 A EP 98956849A EP 1034358 B1 EP1034358 B1 EP 1034358B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder head
- lubricant supply
- lubricant
- rocker arm
- supply duct
- 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
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0001—Fuel-injection apparatus with specially arranged lubricating system, e.g. by fuel oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
-
- 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
- F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
-
- 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
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1816—Number of cylinders 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
- F02B2275/20—SOHC [Single overhead camshaft]
Definitions
- the invention relates to a cylinder head for an internal combustion engine with pump nozzle units, at least one bearing block with one bearing half on the cylinder head for a camshaft and a bearing half for a rocker arm axis for rocker arms for Actuation of the pump nozzle unit is provided, according to the preamble of the claim 1.
- a generic cylinder head is known from DE 42 32 783 A1.
- a pump nozzle unit is on a rocker arm axle and bearing blocks for this on the cylinder head attached so that a mounting flange is omitted and therefore the unit itself laterally has low projection.
- DE 196 34 541 A1 also describes a method for Manufacture of such a bearing arrangement is known.
- the US-PS 4,537,166 describes cylinder heads, the half bearings for a camshaft form and carry axes of actuating levers for intake and exhaust valves; the cams the camshaft work on these operating levers.
- Parallel to a hole for one Fastening screw that passes through a hollow shaft for the actuating lever runs an oil supply channel, which consists of two aligned individual channels and in the Interior of the shaft opens; this interior serves as an oil channel. From him or an enlarged area of the hole for the fastening screw goes into Connecting channel to the camshaft bearing. So in practice there is one Series connection of the oil supplies of actuating levers and the camshaft, due to the complexity of the oil paths in the area of the shaft for the Operating levers also uncertainties regarding the oil supplies in the both systems can occur.
- the present invention has for its object an improved cylinder head of the type mentioned above, in which the functional reliability of the Unit consisting of camshaft, rocker arm axis, rocker arms, pump nozzle unit and gas exchange valves is easily increased.
- the lubricant supply to the bearing surface a first separate lubricant supply channel for the rocker arm axis in the cylinder head, which is connected to a lubricant gallery, and in the bearing block a second separate lubricant supply channel is provided, one first end of the second lubricant supply channel with the first lubricant supply channel communicates and a second end of the second lubricant supply channel ends open in a bearing surface for the rocker arm axis.
- the second lubricant supply channel allows an above-mentioned groove in the bearing bed a targeted guidance of the lubricant to a precisely predetermined one Point, namely the second end of the second lubricant supply channel, with one, among others through a cross section of the lubricant supply channel, exactly predetermined throughput of lubricant, since no flat Distribution, as in a groove, but a targeted guidance of the lubricant in the Channel takes place.
- a simple combination of just two different components for implementation an actuating arrangement of pump nozzle units in the manufacture of internal combustion engines with different number of cylinders can be achieved in that a rocker arm axis for mounting rocker arms for respective pump nozzle units for two cylinders and a rocker arm axis for mounting rocker arms for respective pump nozzle units is intended for three cylinders.
- these two rocker arm axles are internal combustion engines with any number of Cylinders, especially with two, three, four, five, six, eight or twelve cylinders, can be equipped.
- Cylinder head formed at least a third separate lubricant supply channel, which with a lubricant gallery or the first lubricant supply channel communicates and in a bearing surface of the camshaft in the cylinder head ends openly.
- a simple lubricant supply of an auxiliary unit is in a preferred Embodiment of a cylinder head according to the invention in this further at least a fourth lubricant supply channel is formed.
- the auxiliary unit is preferably a blower, a generator and / or a water pump.
- rocker arms are expedient for actuating respective pump nozzle units arranged between bearing blocks. This advantageously reduces one space required by the arrangement.
- the lubricant is expediently oil.
- a fifth lubricant supply channel in the rocker arm axis formed which in connection with the second lubricant supply channel stands and directs lubricant to a bearing of the rocker arm of the pump nozzle unit.
- FIGS. 1 to 3 of an inventive Cylinder head 10 comprises a camshaft gear 12, a camshaft 14 with cams 16 for actuating rocker arms (not shown) for tappets 18 (FIG. 3) and with Cam 20 for actuating rocker arms 22, which in turn a respective pump nozzle unit Actuate 24, which is only indicated schematically in Fig. 3.
- the camshaft 14 is mounted in a bearing 26, which is half of the cylinder head 10 and the other half of one Bearing block 28 is formed.
- the bearing block 28 also has one half of a bearing 30 for a rocker arm axis 32 for the rocker arms 22 of the pump nozzle units 24.
- the Rocker arm axis 32 is fixed on the bearing block 28 by means of screws 46.
- the pillow blocks 28 are also fastened with screws 48 and assembly of the cylinder head 10 is done with cylinder head screws 50.
- An electrical connection device 34 (FIGS. 1 and 2) serves for the external connection of a electrical wiring 36 of the cylinder head 10. Open the tappets 18 or optionally close gas exchange valves 38 with respective air inlets and exhaust outlets 40 (Fig. 3).
- the bearing block 28 has lateral lugs 42 (FIG. 2). These are, for example machined from the one-piece bearing block 30.
- Fig. 3 shows a section substantially along the line A-A of Fig. 1, wherein however, the section plane in the direction perpendicular to the line A-A and perpendicular to the plane of the drawing 1 is not smooth, but to illustrate various components which do not lie in one plane, also have step transitions.
- the section in Fig. 3 is chosen such that an inventive design of the lubricant supply is more clearly visible.
- there is a first separate lubricant supply channel in the cylinder head 10 52 is provided, which in connection with a lubricant gallery 54 stands and is supplied by this with lubricants, for example oil.
- separate lubricant supply channel essentially means that the Lubricant supply channel from all screw holes or other den Bearing block or the cylinder head through holes is spaced. With others Words are “separate” lubricant supply channels not with screw holes combined.
- the bearing block 28 has a second separate lubricant supply channel 56, whose lower end in FIG. 3 with the bearing block assembled 28 is aligned with the first lubricant supply channel 52, so that lubricant from the first lubricant supply channel 52 into the second lubricant supply channel 56 can flow.
- the second lubricant supply channel 56 in the bearing block 28 ends with one first lubricant supply channel 52 opposite opening 58 in a bearing surface 60 of the bearing 30 in the bracket 28.
- This opening 30 is the rocker arm axis 32 lubricants supplied.
- This fifth lubricant supply channel 68 then leads the lubricant to a bearing of the rocker arm 22, at which this performs a back-and-forth movement about the rocker arm axis 32.
- a third separate lubricant supply channel 62 is provided, which with the lubricant gallery 54 or the first lubricant supply channel 52 communicates with an open end 64 in a bearing surface 66 ends in the bearing half of the cylinder head 10. In this way, the camp 26 of the camshaft 14 supplied with lubricant.
- Fig. 2 further illustrates that in the cylinder head 10, a fourth separate lubricant supply channel 70 is provided, which on the one hand with the lubricant gallery 54 is connected and on the other hand lubricant to an auxiliary unit, not shown leads to its lubricant supply.
- Fig. 4 shows the cylinder head 10 in the unmounted state, i.e. without camshaft, rocker arm axis, Cup tappets, pump nozzle units and bearing blocks.
- the gas exchange valves 38 arranged in pairs, the opening 58 of the second lubricant supply channels 56, the bearing surface 66 of the Camshaft bearing 26 and the open ends 64 of the third lubricant supply channels 62 recognizable.
- screws 46, 48 and 50 are corresponding screw holes 47, 49 and 51 recognizable.
- Fig. 5 shows in a section along line B-B of Fig. 4 the arrangement of the third Lubricant supply channel 62 for the lubricant supply to that in FIG. 5 is not 6 and shows a section along line C-C of FIG. 4 the arrangement of the fourth lubricant supply channel 70 for lubricant supply of an auxiliary unit, not shown. All other components are with appropriate Reference numerals as in Figures 1 to 4, so that with respect to a further description to the above statements with reference to Figures 1 to 4 becomes.
- the manufacture of the actuator assembly of the pump nozzle units consisting of Rocker arm axis 32 and rocker arms 22 is different in internal combustion engines Number of cylinders optimized in that only two different rocker arm axes 32 with different lengths are provided: A shorter rocker arm axis for assembly of rocker arms for respective pump nozzle units for two cylinders and a longer one Rocker arm axis for mounting rocker arms for respective pump nozzle units for three Cylinder.
- the shorter rocker arm axis 32 is on three bearing blocks 28 and the longer one Rocker arm axis 32 supported on four pedestals 28.
- By appropriate combination only these two different rocker arm axles 32 are internal combustion engines with any number of cylinders, especially with two, three, four, five, six, eight or twelve cylinders, can be equipped.
- rocker arm shaft 32 for three rocker arms 22 with a rocker arm shaft 32 combined for two rocker arms 22 one abutment of the two rocker arm axes 32 is arranged in the bearing area of a bearing block 28.
- rocker arm axles 32 There are the respective lengths of the two differently long rocker arm axles 32 selected such that they are in the Only protrude half of each of the two outer bearing blocks.
Description
- Fig. 1
- eine bevorzugte Ausführungsform eines erfindungsgemäßen Zylinderkopfes in Aufsicht,
- Fig. 2
- in einer Ansicht in Richtung S von Fig. 1,
- Fig. 3
- in einer Schnittansicht entlang der Linie A-A von Fig. 1,
- Fig. 4
- in einer teilweise geschnittenen Aufsicht in unmontiertem Zustand,
- Fig. 5
- in einer Schnittansicht entlang der Linie B-B von Fig. 4 und
- Fig. 6
- in einer weiteren Schnittansicht entlang der Linie C-C von Fig. 4.
Claims (8)
- Zylinderkopf (10) für eine Brennkraftmaschine mit wenigstens einer Pumpedüse-Einheit (24), auf dem wenigstens ein Lagerbock (28) mit einer Lagerhälfte für eine Nockenwelle (14) und einer Lagerhälfte für eine Kipphebelachse (32) für wenigstens einen von der Nockenwelle (14) nockengesteuerten Kipphebel (22) zum Betätigen der Pumpedüse-Einheit (24) vorgesehen ist, wobei Zylinderkopf und Lagerbock (28) Löcher (47, 49, 51) zumindest für Befestigungsschrauben (46, 48, 50) aufweisen, dadurch gekennzeichnet, daß im Zylinderkopf beabstandet von den Löchern (47, 49, 51) ein von einer Schmiermittelgalerie (54) abgehender erster separater Schmiermittel-Versorgungskanal (52) und im Lagerbock (28) ebenfalls beabstandet von den Löchern (47, 49, 51) ein zweiter separater Schmiermittel-Versorgungskanal (56) vorgesehen ist, der mit einem seiner Enden fluchtend in den ersten Schmiermittel-Versorgungskanal (52) übergeht, während sein zweites Ende (58) in einer Lagerfläche (60) für die Kipphebelachse (32) offen endet, und daß im Zylinderkopf (10) wenigsten ein dritter separater Schmiermittel-Versorgungskanal (62) ausgebildet ist, welcher mit der Schmiermittelgalerie (54) oder dem ersten Schmiermittel-Versorgungskanal (52) in Verbindung steht und in einer Lagerfläche (66) für die Nockenwelle (14) im Zylinderkopf (10) offen endet.
- Zylinderkopf nach Anspruch 1, dadurch gekennzeichnet, daß in der Brennkraftmaschine nur Kipphebelachsen (32) mit Kipphebeln (22) für jeweilige Pumpedüse-Einheiten (24) für zwei Zylinder und Kipphebelachsen (32) mit Kipphebeln (22) für jeweilige Pumpedüse-Einheiten (24) für drei Zylinder vorgesehen sind.
- Zylinderkopf nach einem der voraufgehenden Ansprüche, dadurch gekennzeichnet, daß im Zylinderkopf (10) ferner wenigstens ein vierter Schmiermittel-Versorgungskanal (70) zum Versorgen eines Nebenaggregats mit Schmiermittel ausgebildet ist.
- Zylinderkopf nach Anspruch 3, dadurch gekennzeichnet, daß der vierte Schmiermittel-Versorgungskanal (10) mit der Schmiermittelgalerie (54) verbunden ist.
- Zylinderkopf nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, daß das Nebenaggregat ein Gebläse, ein Generator und/oder eine Wasserpumpe ist.
- Zylinderkopf nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Kipphebel (22) zum Betätigen von jeweiligen Pumpendüse-Einheiten (24) zwischen Lagerböcken (28) angeordnet sind.
- Zylinderkopf nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Schmiermittel Öl ist.
- Zylinderkopf nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß in der Kipphebelachse (32) ein fünfter Schmiermittel-Versorgungskanal (68) ausgebildet ist, welcher mit dem zweiten Schmiermittel-Versorgungskanal (56) in Verbindung steht und Schmiermittel zu einer Lagerstelle des jeweiligen Kipphebels (22) der Pumpedüse-Einheit (24) leitet.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752381A DE19752381A1 (de) | 1997-11-26 | 1997-11-26 | Zylinderkopf für eine Brennkraftmaschine mit Pumpedüse-Einheit |
DE19752381 | 1997-11-26 | ||
PCT/EP1998/006579 WO1999028602A1 (de) | 1997-11-26 | 1998-10-16 | Zylinderkopf für eine brennkraftmaschine mit pumpedüse-einheit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1034358A1 EP1034358A1 (de) | 2000-09-13 |
EP1034358B1 true EP1034358B1 (de) | 2003-04-02 |
Family
ID=7849866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98956849A Expired - Lifetime EP1034358B1 (de) | 1997-11-26 | 1998-10-16 | Zylinderkopf für eine brennkraftmaschine mit pumpedüse-einheit |
Country Status (8)
Country | Link |
---|---|
US (1) | US6431138B1 (de) |
EP (1) | EP1034358B1 (de) |
JP (1) | JP2001525513A (de) |
KR (1) | KR20010032359A (de) |
CN (1) | CN1096541C (de) |
AT (1) | ATE236346T1 (de) |
DE (2) | DE19752381A1 (de) |
WO (1) | WO1999028602A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3652598B2 (ja) * | 2000-11-22 | 2005-05-25 | 本田技研工業株式会社 | 内燃機関 |
DE10209131A1 (de) * | 2002-03-01 | 2003-09-11 | Volkswagen Ag | Brennkraftmaschine mit Pumpe-Düse-Elementen |
DE102008039038B4 (de) | 2008-08-21 | 2021-01-28 | Schaeffler Technologies AG & Co. KG | Nockenwellenversteller |
DE202008018657U1 (de) | 2008-08-21 | 2017-11-20 | Schaeffler Technologies AG & Co. KG | Nockenwellenversteller |
WO2011086201A2 (es) * | 2009-12-23 | 2011-07-21 | Amadeo Marti Carbonell, S.A. | Mejoras introducidas en la lubricación de los asientos de un árbol de levas y eje de balancines en un motor de combustión interna |
WO2011107623A1 (es) * | 2010-03-04 | 2011-09-09 | Amadeo Martí Carbonell, S.A. | Mejoras introducidas en la lubricación de los asientos de un árbol de levas y eje de balancines en un motor de combustión interna |
CN101956625B (zh) * | 2010-10-31 | 2013-03-20 | 无锡开普动力有限公司 | 一种气缸盖的润滑结构 |
CN106089345A (zh) * | 2016-08-18 | 2016-11-09 | 东风朝阳朝柴动力有限公司 | 带润滑功能的中间摇臂座 |
EP3404224A1 (de) * | 2017-05-19 | 2018-11-21 | Winterthur Gas & Diesel AG | Schmiervorrichtung für einen grossdieselmotor, verfahren zur zylinderschmierung eines grossdieselmotors, sowie grossdieselmotor |
DE102017118862A1 (de) | 2017-08-18 | 2019-02-21 | Man Truck & Bus Ag | Vorrichtung zum drehbaren Lagern einer Nockenwelle |
CN111648834B (zh) * | 2020-06-22 | 2021-07-06 | 东风商用车有限公司 | 一种凸轮轴座总成及轴承座总成组 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4537166A (en) * | 1982-09-27 | 1985-08-27 | Honda Giken Kogyo Kabushiki Kaisha | Lubricating arrangement in valve mechanism of an overhead camshaft engine |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2930337A1 (de) * | 1979-07-26 | 1981-02-19 | Maschf Augsburg Nuernberg Ag | Ventilsteuermechanismus fuer ein- bzw. auslassventile von brennkraftmaschinen |
GB2090911B (en) | 1980-11-28 | 1984-06-27 | Yanmar Diesel Engine Co | Overhead cam type diesel engine |
SE458048B (sv) * | 1983-06-20 | 1989-02-20 | Yanmar Diesel Engine Co | Vipparmskammaranordning i en dieselmotor |
AT403944B (de) * | 1987-03-23 | 1998-06-25 | Avl Verbrennungskraft Messtech | Einspritzbrennkraftmaschine |
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 |
DE4232783C2 (de) | 1992-07-10 | 2000-06-08 | Volkswagen Ag | Zylinderkopf für eine Brennkraftmaschine mit einer Pumpedüse-Einheit |
GB2268543B (en) * | 1992-07-10 | 1996-01-10 | Volkswagen Ag | Cylinder head,having a pumping nozzle unit,for an internal combustion engine |
JP3333667B2 (ja) * | 1995-08-09 | 2002-10-15 | 本田技研工業株式会社 | Sohc型エンジンの動弁装置 |
DE19634541A1 (de) | 1995-09-09 | 1997-03-13 | Volkswagen Ag | Verfahren zum Herstellen einer Lageranordnung in einem Zylinderkopf einer Brennkraftmaschine |
US5778841A (en) * | 1997-02-26 | 1998-07-14 | Cummins Engine Company, Inc. | Camshaft for internal combustion engines |
DE19814836A1 (de) * | 1997-04-11 | 1998-10-15 | Volkswagen Ag | Kraftstoffversorgung von Einspritzdüsen einer Brennkraftmaschine |
DE19826286A1 (de) * | 1998-06-12 | 1999-12-16 | Volkswagen Ag | Zylinderkopf für Verbrennungsmotoren und Verfahren zu seiner Herstellung |
-
1997
- 1997-11-26 DE DE19752381A patent/DE19752381A1/de not_active Withdrawn
-
1998
- 1998-10-16 KR KR1020007005595A patent/KR20010032359A/ko not_active Application Discontinuation
- 1998-10-16 US US09/555,243 patent/US6431138B1/en not_active Expired - Fee Related
- 1998-10-16 WO PCT/EP1998/006579 patent/WO1999028602A1/de not_active Application Discontinuation
- 1998-10-16 DE DE59807768T patent/DE59807768D1/de not_active Expired - Lifetime
- 1998-10-16 EP EP98956849A patent/EP1034358B1/de not_active Expired - Lifetime
- 1998-10-16 JP JP2000523454A patent/JP2001525513A/ja not_active Withdrawn
- 1998-10-16 AT AT98956849T patent/ATE236346T1/de not_active IP Right Cessation
- 1998-10-16 CN CN98811593A patent/CN1096541C/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4537166A (en) * | 1982-09-27 | 1985-08-27 | Honda Giken Kogyo Kabushiki Kaisha | Lubricating arrangement in valve mechanism of an overhead camshaft engine |
Also Published As
Publication number | Publication date |
---|---|
CN1096541C (zh) | 2002-12-18 |
JP2001525513A (ja) | 2001-12-11 |
WO1999028602A1 (de) | 1999-06-10 |
DE19752381A1 (de) | 1999-05-27 |
ATE236346T1 (de) | 2003-04-15 |
DE59807768D1 (de) | 2003-05-08 |
EP1034358A1 (de) | 2000-09-13 |
KR20010032359A (ko) | 2001-04-16 |
CN1280650A (zh) | 2001-01-17 |
US6431138B1 (en) | 2002-08-13 |
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