EP2627884A1 - Combustion engine and a method for producing such a combustion engine - Google Patents
Combustion engine and a method for producing such a combustion engineInfo
- Publication number
- EP2627884A1 EP2627884A1 EP10776081.1A EP10776081A EP2627884A1 EP 2627884 A1 EP2627884 A1 EP 2627884A1 EP 10776081 A EP10776081 A EP 10776081A EP 2627884 A1 EP2627884 A1 EP 2627884A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder head
- combustion engine
- internal combustion
- engine according
- inlet
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 63
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000002826 coolant Substances 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 description 9
- 238000007789 sealing Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
-
- 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
-
- 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
- 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
-
- 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
- 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
- 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
- F01M9/101—Lubrication of valve gear or auxiliaries of cam surfaces
-
- 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
- F01M9/102—Lubrication of valve gear or auxiliaries of camshaft bearings
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49231—I.C. [internal combustion] engine making
Definitions
- the invention relates to an internal combustion engine specified in the preamble of claim 1 and a method for producing such an internal combustion engine according to claim 10.
- Inlet channels of the cylinder head open at an inlet flange surface and outlet channels at an opposite Auslassflansch computation. Further, above a space in the cylinder head receiving the intake and exhaust ports and a coolant space, there is provided an oil space for a gas exchange valve actuator.
- the known internal combustion engines have a relatively high complexity, in particular with regard to their production, which is due in particular to a large number of flange surfaces to be sealed. This results in undesirably high costs for the internal combustion engine.
- Patent claim 1 and by a method for producing such
- the first aspect of the invention relates to an internal combustion engine having a plurality of cylinders with at least one cylinder head, wherein inlets of the cylinder head to a
- Actuating device is provided for gas exchange valves.
- Cylinder head cover itself omitted.
- the internal combustion engine according to the invention thus has a low complexity, which keeps their production costs and thus their costs low. Furthermore, it has only a small number of parts, which is also beneficial to the low cost. Since in the internal combustion engine according to the invention compared to conventional internal combustion engines, the sealed flange surface between the cylinder head and the cylinder head cover can be omitted or their function in the
- Inlet flange and the Auslassflansch requirement is integrated, is also the cost of sealing the internal combustion engine according to the invention and their assembly costs to be low, which keeps the total cost of another in a small frame.
- the internal combustion engine according to the invention is special
- Cylinder head in each case at least one opening to the two flange surfaces.
- the oil chamber is particularly easy to access, which keeps the assembly costs and the maintenance of the internal combustion engine according to the invention low. Further is characterized a particularly inexpensive and cost-effective production of the
- the inlet flange of the cylinder head is at least partially covered by an intake module that covers both the inlet channels and the opening to the oil chamber tight, in particular fluid-tight and oil-tight.
- an intake module that covers both the inlet channels and the opening to the oil chamber tight, in particular fluid-tight and oil-tight.
- the intake module is formed for example of plastic, so that this and thus the internal combustion engine have a particularly low weight. Furthermore, this results in particularly low material costs, which is beneficial to the low cost of the internal combustion engine.
- the cylinder head is covered by an exhaust manifold module, which covers both the exhaust ports and the openings to the oil chamber tight, in particular fluid-tight and in particular oil-tight.
- the sealing function of the cylinder head cover is at least partially integrated into the exhaust manifold module, so that the exhaust manifold module a particularly high functional performance having. This leads to a low number of parts, at low cost and to a low weight of the internal combustion engine.
- the exhaust manifold module is formed, for example, as a thin-walled forming part of a metal, so that the manufacturing cost and manufacturing costs of the exhaust manifold module are low, but this high loads, especially high temperature loads, during operation of the
- the actuator for the gas exchange valves comprises, for example, a camshaft associated with the exhaust ducts and / or one of the intake ducts
- a storage lane is provided, which is partially formed by the cylinder head.
- the storage lane is partially formed by bearing caps, which attach to the cylinder head, for example, to screw, are. It can advantageously be provided that the bearing caps are integrated into the intake module and / or the exhaust manifold module. Will then one of these modules with the integrated bearing caps on the
- Cylinder head attached, for example screwed with this, so it is almost parallel also a compound of the bearing cap with the cylinder head to form the corresponding storage lane.
- the camshaft or can
- Camshafts are particularly inexpensive and only with a small number of parts held on the cylinder head. This in turn benefits the low cost and low weight of the internal combustion engine according to the invention. Additional bearing caps and appropriate mounting operations for mounting this bearing cap on the cylinder head are not required.
- the second aspect of the invention relates to a method for producing a
- the internal combustion engine according to the invention wherein during the casting of the cylinder head, the oil space is formed by cores, which laterally through the openings in the Flange areas are introduced.
- the oil chamber can be represented by lateral slides of a pouring device and an oil chamber core can be dispensed with.
- the inventive method thus enables a particularly cost-effective production of the internal combustion engine.
- the slides can be made of a steel and / or as a mold, which further reduces the cost of manufacturing the internal combustion engine. It is not necessary to shoot sand cores. Likewise, the mold and its storage is less sensitive to tolerances than is the case with a sand core storage. This allows the representation of very small wall thicknesses, which is associated with a low weight and low material costs for the production of the internal combustion engine. Furthermore, this results in a particularly high process reliability of the
- FIG. 1 is a schematic cross-sectional view of a cylinder head of a
- FIG. 2 is a schematic perspective view of the cylinder head according to FIG. 1.
- FIG. 2 is a schematic perspective view of the cylinder head according to FIG. 1.
- Figs. 1 and 2 show a cylinder head 10 for an internal combustion engine having a plurality of cylinders.
- the cylinder head 10 has inlet channels 12, via which air or a fuel-air mixture can flow into the cylinders of the internal combustion engine.
- the cylinder head 10 has exhaust passages 14, via which exhaust gas resulting from combustion of the air which is supplied with fuel in the cylinders or the air / exhaust gas mixture can flow out of the cylinders.
- the intake ports 12 open at an inlet flange surface 16 and the exhaust ports 14 open at an outlet flange surface 18 opposite the intake flange surface 16.
- the cylinder head 10 includes a space receiving the intake ports 12 and the exhaust ports 14 and a coolant chamber 20.
- the coolant chamber 20 is also referred to as a water chamber, in which, in particular during operation of the internal combustion engine, coolant is to cool the internal combustion engine and in particular the cylinder head.
- the cylinder head 10 also has a double-sided oil chamber 26, which in
- Directional arrow 24 is disposed above the coolant chamber 20 and which in each case has a particularly large-area opening to both flange surfaces 16 and 18 out.
- the oil chamber 26 serves to receive oil to an actuator for
- Actuator comprises a the inlet channels 12 associated
- Camshaft by means of which intake valves of the gas exchange valves is to be actuated.
- the actuator comprises a camshaft associated with the exhaust ports 14, by means of which exhaust valves of the gas exchange valves can be actuated.
- Lagergasse 28 and 30 is provided, which is partially formed by the cylinder head 10 and via which the respective camshaft is to be held on the cylinder head 10.
- an intake module can be bolted to the cylinder head 10.
- the intake module performs both the function of covering and sealing the oil space 26 and the function of covering and sealing the intake passages 12.
- an exhaust manifold module can be connected to the cylinder head 10. This means that the oil chamber 26 and the inlet channels 12 and the outlet channels 16 are to be covered and sealed by means of the intake module and the exhaust manifold module.
- the modules thus have a particularly high functional integration, so that the number of parts and thus the cost of the internal combustion engine can be kept low. Additional sealing surfaces are thus not provided, so that the
- Internal combustion engine and in particular the cylinder head 10 can be made particularly time-consuming and inexpensive. Furthermore, the cylinder head 10 and thus the entire internal combustion engine, in particular due to the at least substantially triangular formation of the cross section on a particularly small space requirement.
- bearing caps are provided, which are to be connected to the cylinder head 10, whereby the bearing lane 28 and 30 are formed.
- the bearing cap of the storage lane 28 are advantageously integrated into the intake module and formed integrally with the intake module, and the bearing cap of the storage lane 30 are integrated into the exhaust manifold and integrally formed with the exhaust manifold.
- the cylinder head 10 comprises receiving openings 32 in which injectors are to be accommodated. By means of the injectors, fuel can be injected directly into the cylinders. Furthermore, the cylinder head 10 comprises receiving openings 34 in which the gas exchange valves are to be accommodated. In addition, receiving opening 36 are provided for respective hydraulic elements, by means of which a clearance compensation of
- FIGS. 1 and 2 also show bores 38 for longitudinal oil passages via which the camshafts and in particular bearing points on which the camshafts are mounted in the bearing lanes 28 and 30 can be supplied with oil and thereby cooled and lubricated.
- a longitudinal web 40 is provided in the vertical direction according to the directional arrow 24 above the oil chamber 26, which passages 42 for respective Having spark plugs, in which the spark plugs are to be included.
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)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2010/006291 WO2012048722A1 (en) | 2010-10-14 | 2010-10-14 | Combustion engine and a method for producing such a combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2627884A1 true EP2627884A1 (en) | 2013-08-21 |
EP2627884B1 EP2627884B1 (en) | 2014-12-17 |
Family
ID=44484206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10776081.1A Active EP2627884B1 (en) | 2010-10-14 | 2010-10-14 | Combustion engine and a method for producing such a combustion engine |
Country Status (5)
Country | Link |
---|---|
US (1) | US8851036B1 (en) |
EP (1) | EP2627884B1 (en) |
JP (1) | JP5639276B2 (en) |
CN (1) | CN103154486B (en) |
WO (1) | WO2012048722A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012020030A1 (en) * | 2012-10-12 | 2014-04-17 | Daimler Ag | Cylinder head device for an internal combustion engine and internal combustion engine with such a cylinder head device |
DE102012022700A1 (en) | 2012-11-21 | 2014-05-22 | Daimler Ag | Internal combustion engine for a motor vehicle and motor vehicle with such an internal combustion engine |
DE102013019817A1 (en) | 2013-11-26 | 2015-05-28 | Daimler Ag | Internal combustion engine, in particular for a motor vehicle |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3847499A (en) * | 1973-09-04 | 1974-11-12 | Tridair Industries | Tool and method for reaming and tapping a spark plug opening in a rotary engine housing |
US4660529A (en) * | 1981-04-22 | 1987-04-28 | Yamaha Hatsudoki Kabushiki Kaisha | Four-cycle engine |
JPS61126007U (en) * | 1985-01-29 | 1986-08-07 | ||
DE3724494A1 (en) * | 1987-07-24 | 1989-02-02 | Audi Ag | Liquid-cooled cylinder head for an internal combustion engine |
DE3912495C2 (en) * | 1989-04-15 | 1998-07-16 | Audi Ag | Camshaft housing |
US5018497A (en) * | 1989-05-29 | 1991-05-28 | Yamaha Hatsudoki Kabushika Kaisha | Multiple valve internal combustion engine |
JP2800350B2 (en) * | 1990-03-09 | 1998-09-21 | スズキ株式会社 | Cylinder head structure |
US5167208A (en) * | 1992-03-09 | 1992-12-01 | Rasiah Randolph R | Internal combustion engine |
DE4435555C1 (en) * | 1994-10-05 | 1996-03-14 | Porsche Ag | Multi-cylinder internal combustion engine |
GR960100259A (en) * | 1996-07-23 | 1998-03-31 | / | Pulling piston engine. |
US6817322B2 (en) * | 2002-09-03 | 2004-11-16 | Caterpillar Inc. | Cylinder head |
WO2004081386A1 (en) * | 2003-03-13 | 2004-09-23 | Yanmar Co., Ltd. | Cover structure for engine |
-
2010
- 2010-10-14 CN CN201080069583.3A patent/CN103154486B/en active Active
- 2010-10-14 EP EP10776081.1A patent/EP2627884B1/en active Active
- 2010-10-14 WO PCT/EP2010/006291 patent/WO2012048722A1/en active Application Filing
- 2010-10-14 JP JP2013533092A patent/JP5639276B2/en active Active
-
2013
- 2013-03-17 US US13/844,996 patent/US8851036B1/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2012048722A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP5639276B2 (en) | 2014-12-10 |
EP2627884B1 (en) | 2014-12-17 |
JP2013540942A (en) | 2013-11-07 |
CN103154486B (en) | 2015-07-01 |
WO2012048722A1 (en) | 2012-04-19 |
US8851036B1 (en) | 2014-10-07 |
US20140261268A1 (en) | 2014-09-18 |
CN103154486A (en) | 2013-06-12 |
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