EP3158172A1 - Trägermodul fur einen ohc-ventiltrieb einer brennkraftmaschine - Google Patents
Trägermodul fur einen ohc-ventiltrieb einer brennkraftmaschineInfo
- Publication number
- EP3158172A1 EP3158172A1 EP15731503.7A EP15731503A EP3158172A1 EP 3158172 A1 EP3158172 A1 EP 3158172A1 EP 15731503 A EP15731503 A EP 15731503A EP 3158172 A1 EP3158172 A1 EP 3158172A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carrier module
- module according
- foot region
- walls
- support walls
- 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 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/181—Centre pivot rocking arms
-
- 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
- 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
- F01L2001/0476—Camshaft bearings
-
- 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
- F01L2001/0535—Single overhead camshafts [SOHC]
Definitions
- the invention relates to a carrier module for an OHC valve train of an internal combustion engine, with two upright and mutually spaced support walls, in which at least one camshaft and at least one lever axis with one or more cam followers thereon, the supporting walls each bridging, are stored, wherein the carrier module in whose foot area is connectable to a cylinder head.
- Generic carrier modules are, for example, in single-cylinder motorcycle engines with 2V technology in use and made of cast aluminum (see valve engine Hyundai engine KRM / KVS, installed in Hyundai CG 150 Titan (Brazil)).
- the levers for actuating the two gas exchange valves sit on separate shafts.
- Such a carrier module is relatively massive, requires unnecessary rework and takes up too much space. Ultimately, it is too expensive for mass production.
- this object is achieved in that the supporting walls with the present as a plate foot area form a one-piece, obtained from sheet metal by separating unit and are bent up from the foot.
- a lightweight and compact carrier module is particularly, but not exclusively, available for motorcycles, boats, or minisite engines.
- a module should be used in single-cylinder engines.
- the protection of this invention also extends to a carrier module with bores in its support walls and only the possibility of receiving camshaft (s) and lever axis (s), thus without the latter components.
- a sheet metal sheet (board / tape) in particular, in question the unit (supporting walls and foot area) preferably, but not exclusively, to be formed by a separation process such as punching with subsequent bending up of the supporting walls. The partial separation of the support walls from the foot area can take place in one go with the separation of the foot area from the board / the strip or in a subsequent method step.
- the carrier module according to the invention is designed to accommodate only a central, short-building camshaft and at least one lever axis flanking the camshaft, wherein preferably an inlet and an outlet lever axis each mounted thereon cam followers (at least one per axle) are provided and more than one camshaft are used can.
- the supporting walls can be bent upwards from the foot area, their head areas advantageously lying on the outer edge of the foot area prior to bending up, and ultimately a middle bar remaining in the foot area.
- the foot area claimed at the edge comparatively little footprint. Collisions with environmental components may be avoided.
- the foot region has openings in the region of its edges, which can be, for example, punched holes.
- the openings serve, for the mounting case of the carrier module on the cylinder head, an engagement of, for example, screws or centering pins.
- the camshaft (s) and lever axis (s) can also run directly into bores of the support plates, which bores may possibly not be finished, which has a favorable effect on the cost of the support module.
- FIG. 1 shows a spatial side view of the carrier module
- FIG. 2 shows a spatial view of the carrier module from above.
- the support module 1 has, as both figures reveal, two upright and mutually spaced support walls 2, in which a camshaft 3 sits centrally, which is flanked on both sides by a lever axis 4, 5.
- the lever axis 4 carries a Nockenacrylhe- at 6, which serves to actuate an intake valve, whereas on the lever axis 5, a cam follower lever 7 is attached, via which an exhaust valve can be actuated. Possibly. the levers 6, 7 can also act on bridges, so that several equally acting gas exchange valves can be actuated simultaneously.
- the support walls 2 are based on a present as a plate foot area 8 and are integrally connected thereto. In this case, the contour of the support walls 2 by punching, leaving a bending edge, separated from the foot area 8 and then the support walls 2 are bent towards each other too. In the foot area 8 thus remains a central web 9 between the support walls. 2 As can best be seen from FIG. 1, the lever axes 4, 5 are mounted in flared lugs 10 of the supporting walls 2, which lie in the top edge region 11 of the supporting walls 2. Thus, 10 free space is formed below the tabs.
- a ⁇ lsiererschreibchen 14 is located on the right supporting wall 2 of Figure 1, which is clipped there and a forwarding of lubricating oil in the direction of the cylinder head cover (not shown) is used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014211638.4A DE102014211638A1 (de) | 2014-06-18 | 2014-06-18 | Trägermodul |
| PCT/DE2015/200222 WO2015192835A1 (de) | 2014-06-18 | 2015-03-31 | Trägermodul fur einen ohc-ventiltrieb einer brennkraftmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3158172A1 true EP3158172A1 (de) | 2017-04-26 |
| EP3158172B1 EP3158172B1 (de) | 2018-05-23 |
Family
ID=53488091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15731503.7A Not-in-force EP3158172B1 (de) | 2014-06-18 | 2015-03-31 | Trägermodul fur einen ohc-ventiltrieb einer brennkraftmaschine |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3158172B1 (de) |
| DE (1) | DE102014211638A1 (de) |
| WO (1) | WO2015192835A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016200785A1 (de) | 2016-01-21 | 2017-07-27 | Schaeffler Technologies AG & Co. KG | Trägeranordnung für einen Ventiltrieb einer Brennkraftmaschine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4014037B2 (ja) * | 2002-09-24 | 2007-11-28 | 本田技研工業株式会社 | Ohc型内燃機関 |
| JP2009097487A (ja) * | 2007-10-19 | 2009-05-07 | Honda Motor Co Ltd | 頭上カム軸型内燃機関の動弁装置 |
| DE102010019129A1 (de) * | 2010-04-30 | 2011-11-03 | Mahle International Gmbh | Lagerbock einer Nockenwelle |
-
2014
- 2014-06-18 DE DE102014211638.4A patent/DE102014211638A1/de not_active Withdrawn
-
2015
- 2015-03-31 WO PCT/DE2015/200222 patent/WO2015192835A1/de not_active Ceased
- 2015-03-31 EP EP15731503.7A patent/EP3158172B1/de not_active Not-in-force
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015192835A1 (de) | 2015-12-23 |
| EP3158172B1 (de) | 2018-05-23 |
| DE102014211638A1 (de) | 2015-12-24 |
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