CN104727968B - Heated and/or mechanical load the component wall of the component especially cylinder head of the guidance fluid and/or gas of internal combustion engine - Google Patents
Heated and/or mechanical load the component wall of the component especially cylinder head of the guidance fluid and/or gas of internal combustion engine Download PDFInfo
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- CN104727968B CN104727968B CN201410790715.1A CN201410790715A CN104727968B CN 104727968 B CN104727968 B CN 104727968B CN 201410790715 A CN201410790715 A CN 201410790715A CN 104727968 B CN104727968 B CN 104727968B
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- crackle
- component wall
- component
- wall according
- blocking portion
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- 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
-
- 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
- F02F2001/248—Methods for avoiding thermal stress-induced cracks in the zone between valve seat openings
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to the guidance fluid of internal combustion engine and/or heated and/or mechanical load the component walls for the component especially cylinder head for guiding gas, it has: at least one region threatened due to load and by crackle, wherein, crackle is formed on the outside of wall in component wall (5) with determining by service condition；With at least one crackle blocking portion (6), further crack propagation is arranged in crackle extension portion and prevented in component wall (5), is especially passed through component wall (5) and is expanded in important member region (8).According to the present invention, in the region (5 threatened by crackle;10) it is provided with crack initiation portion (4) in wall outside, forms the crack initiation position for limiting ground positioning, so that the crackle for preventing part uncontrolled is formed and crack propagation.
Description
Technical field
The present invention relates to the guidance fluid of the internal combustion engine of preamble according to claim 1 and/or the structures of guidance gas
Heated and/or mechanical load the component wall of part (especially cylinder head).
Background technique
Known guide fluid guides the component wall (it is through heated or heating power load) of the component of gas to tend to crack.It opens
Splitting tendency can be subtracted by solid construction and/or expansion joint (Dehnfuge) and/or reduction temperature load in a way known
Gently.But especially in motor structure, these measures only can be used conditionally: solid construction type is due to weight and cost feelings
Condition is severely restricted.Equally, heat load can not actually reduce because the burning of the related operation in internal combustion engine for
Thermodynamic (al) reason carries out at very high temperatures.The very high power per liter of current internal combustion engine additionally depends on very high heat and adds
It carries, wherein the cylinder head of especially internal combustion engine is subjected to very high heating power load.Herein, it is also well known that bridge joint between the valves
Portion is especially important region, cracked during the operation that this is in motor driving, can be penetrated until adjacent cooling
In water cavity.Then, due to such crackle, for cooling water leakage into combustion chamber, this can lead to the vapor in exhaust.Very
In the case where big crackle, the combustion chamber liquid that can also be cooled in motor stationary state is filled up, this can be when restarting internal combustion engine
Cause water slug.Penetrated crack in the bridge areas as there of cylinder head eventually leads to the functional fault and failure of internal combustion engine.
It has been shown that preventing the crack propagation in this component wall by heating power load, especially prevention crackle leads to weight
In the region wanted, especially in the cylinder head bridge areas as there of internal combustion engine by so-called crackle blocking portion (Rissstopper) come
It prevents.For example, as backing member (Einlage) known to crackle blocking portion, as the plate of castingin in cylinder head bridge areas as there
Hermetically castingin is under combustor surface and castingin is at being parallel to combustor surface (28 47 249 C2 of DE).Furthermore it is known that
Such bridge joint backing member (35 24 776 A1 of DE), use wherein has and the identical or nearly identical heat of cylinder head material
The material of expansion, to reduce the mechanical load of cylinder head bottom and to avoid cracking.
Slit region (may occur in which crackle (crack initiation) at this) can extend on relatively very big face.Therefore, above-mentioned
Known crackle to prevent measure from spending very big, wherein especially the crackle blocking portion of castingin in order to its function need it is corresponding very big
Spatial spread and should be arranged near surface.This can be prevented at the surface region of cylinder head being directed toward towards combustion chamber in crackle
The problem of causing heat aspect near portion in region.
Summary of the invention
It is an object of the invention to so construction guides fluid or draws especially in the bridge areas as there of the cylinder head of internal combustion engine
Heated and/or mechanical load the component wall of the component of conductive gas, that is, can targetedly be realized effectively with the cost of very little
Stop crackle.
The purpose is realized using the feature of independent claims.It is advantageously improved pair that scheme is dependent claims
As.
It is arranged according to the present invention at being provided with crack initiation in the region outside Zhong Bi that component wall is threatened by crackle
Portion (Rissstarter), the initial position of crackle positioned with forming circumscribed, so as to thus prevent part is uncontrolled to split
Line is formed and crack propagation.The crack initiation portion and crackle blocking portion for combining restriction in this way can make its coordinated with each other.Therefore,
Crackle appearance is targetedly introduced by crack initiation portion, thus using at this as the predetermined crack propagation direction of starting point, and then,
Crackle can pass through the spatial spread with suitable very little in deeper wall region (especially in the bridge areas as there of cylinder head)
Crackle blocking portion prevent.It is possible thereby to which reduced cost and reduced crackle prevent range from reliably avoiding penetrated crack.
In the case where the initial part of Built-Up Crack according to the present invention/crackle blocking portion, crackle blocking portion can be advantageously very deep
Ground is arranged in component wall, is especially arranged in cylinder head bridge areas as there, and the depth of the 40% to 95% of component wall is preferably placed in
In.Because in the prior art, crack initiation can not be in a limiting fashion it is anticipated that so crackle blocking portion be only with component depth herein
Degree until about 20% arranges.In addition, in the prior art, the ratio between crack initiation region (length) and crackle blocking portion are
1:1.2 to 1:1.5.According to the present invention, than for 1:2 to 1:6.This is because casting flaw has relatively bigger shadow to the ratio
It rings.
Particularly advantageously, the present invention may be used at cylinder head bridge region being loaded by very high heating power, being threatened by crackle
In domain, wherein stretched on the outside of the wall of valve bridge part of the crack initiation portion preferably between valve seat.
Here, crack initiation portion can according to structure situation and loading condition over the whole length continuously or locally or
It stretches dottedly and/or is weakened by the material using geometry measure and/or formed by material property measure.
Specifically, crack initiation portion can be embodied as to the theoretical cracking position of the geometry in the form of notch thus.Especially
It can be thus by (casting) method of (such as the milling) of cutting or (such as punching) or forming for deforming in crack initiation portion
The theoretical cracking position of constructive geometry in meaning.
Alternatively or other than the method using cutting mechanically removes material, can make when necessary material in particular by means of
It electron ray and/or is evaporated by means of laser beam.Equally, realization can be melted by material in crack initiation portion when necessary, especially
By means of electron ray and/or laser beam and/or induction heating.
Notch of the also pourable or castingin as crack initiation portion, wherein can also be advantageously according to circumstances using additional member
Part.Suitable crack initiation portion is using the castingin comprising metal/alloy and/or ceramics and/or glass and/or other materials
Part is made, wherein this castingin part is no or is only soldered when necessary in side or incompletely, to rise in the presence of for crackle
The targeted material to begin weakens.In addition, this can only partially be played the wire rod of welding by fusing and/or partly risen
The thin plate of welding effect and/or the pulvis for partly playing welding are realized.The material welded well is equally feasible, such as
Fruit its there is the physical characteristic different from basic material, such as thermal conductivity and/or thermal expansion.
In addition, crack initiation portion can alternatively or additionally be formed by targeted material embrittlement.Such as it can be directed to
Cast iron materials are cooling by the fusing material and rapidly to generate the tissue comprising ledeburite for having notch effect, particularly by
From quenching, very high residual mass (Restmasse) or hardening media.For cast iron materials, the fusing of notch effect bond material
It can also be reached by quenching and generating microstructure martensite and/or bainite.For GS (cast steel), the GJS as cylinder head material
(spheroidal graphite cast-iron), GJV (vermicular cast iron) or aluminium alloy, using simple measure by the punching of crack initiation portion be notch.For
GS, GJS, GJV, GJL (piece ink cast iron) or aluminium alloy also generate or finally process generation notch to machinable.
Using crack initiation portion as starting point, crack propagation direction is predetermined by heating power load, usually towards head combustion chamber
Surface opposite and cause crackle on the direction of side set.Here, crackle blocking portion is now relative to head combustion chamber table
Face exists with relatively very big spacing.Crackle blocking portion is so implemented, that is, crackle no longer encounters such material, wherein also
Crack propagation can occur.Therefore, crackle blocking portion can by using common machining method (such as drilling, milling,
Saw, grinding pass through fusing or evaporation) realize material removal.This cavity can be as necessary by good conductive solid material
(especially copper rod) or thermally conductive pulvis (especially copper powder) are expected to fill.As a result, in normal operation, in spite of crackle blocking portion,
Still realize heat transfer, and thus thermal drying is affected smaller.
But equally can be enough by the crackle blocking portion of separated cylinder head material, this can be realized by castingin material,
The material do not welded mutually with cylinder head material at the side in face of crackle at least and therefore can not transmission force, thus prevent to split
Line is propagated.Such structure is similarly advantageous, does not apply or apply the tensile stress of very little in the cylinder head material of encirclement.
Preferably such material herein, or be put into mold in the state of heat, be internally hollow and/or pass through cooling
Cylinder head material shrinkage stress plastic deformation, wherein crackle blocking portion be advantageously used thus without or only partially rise
The material of welding effect and/or the material for utilizing the separating layer for preventing to weld to surround and/or ceramic material and/or glass material
And/or other materials.
Crack initiation portion is spaced apart with the material of crackle blocking portion in this way, and crack propagation passes through the material.According to giving
Thus fixed condition can expect crack propagation in an alternative embodiment, that is, crack initiation notch extends up to crackle prevention
Portion.
In another embodiment, it can stackedly be arranged in component wall associated with crack initiation portion two or more
Crackle blocking portion.Then, in the valve bridge areas as there of cylinder head, two or more crackle blocking portions are relative in face of combustion chamber
Surface is arranged at different pitches.
In the valve bridge part of cylinder head, in plotted, the first crackle blocking portion can be arranged in valve seat thus
On ring-shaped bearing, and the second crackle blocking portion is arranged on water cavity under valve seat ring-shaped bearing.If two crackle resistances
Stop is embodied as hole, and the first crackle blocking portion is sealed by seat ring, and the second crackle blocking portion must be closed by plug, with
Just the gas in individual channel is prevented to shift.
In another embodiment, crackle blocking portion can be used as hole as the crow flies with the smallest distance in two neighbouring valve seats
Between in valve bridge part stretch and/or vertically stretched under crack initiation portion.Then, crack initiation portion is flat as notch
Row in crackle blocking portion or arcuately and/or when necessary misplaces the smallest spacing extension.
In order in the case where crackle and in the case where it stops at crackle blocking portion the region in spite of crackle still
It is subjected to enough coolings and the working efficiency in order to guarantee internal combustion engine, targeted cooling medium commutation can be set at this,
Such as the higher volume flow for passing through cooling medium.The commutation of this cooling medium can be in cylinder head and/or can be together in gas
It is realized in cylinder cap and/or by wall at injector receiving sleeve, thus makes cooling medium directly to around blocking portion
On region.
Although preferred application of the invention is present in the cylinder head bridge areas as there of internal combustion engine, however, the present invention is usual
It can be used for being subjected to the component wall of heating power load.The present invention especially can also advantageously be used for the exhaust passage of the tubulose of internal combustion engine, especially
Its exhaust manifold.Due to the exhaust of heat during operation in an exhaust gas, equally can produce herein by crackle threat
Region can be reliably prevented penetrated crack using the combination in crack initiation portion and crackle blocking portion at this.
In addition, to for manufacturing the method master for having the component wall according to the present invention in crack initiation portion and crackle blocking portion
Zhang Quanli.
Detailed description of the invention
The embodiment of the present invention is illustrated by attached drawing.Wherein:
Fig. 1 shows the combination section comprising crack initiation portion and crackle blocking portion at the valve bridge areas as there of internal combustion engine
First embodiment,
Fig. 2 shows that second of the combination section comprising crack initiation portion and crackle blocking portion at valve bridge areas as there implements
Mode,
Fig. 3 shows that the third of the combination section comprising crack initiation portion and crackle blocking portion at valve bridge areas as there is implemented
Mode,
Fig. 4 shows that the 4th of the combination section comprising crack initiation portion and crackle blocking portion at valve bridge areas as there implements
Mode, and
Fig. 5 shows the of the combination section comprising crack initiation portion and crackle blocking portion at the exhaust passage of internal combustion engine
Five embodiments.
List of reference characters
1 cylinder head
2 valve seats
3 valve seats (3a, 3b, 3c, 3d)
4 notches, crack initiation portion (4a, 4b, 4c, 4d, 4f, 4g)
5 bridge joint walls
6 holes, crackle blocking portion (6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h)
7 are used for the bearing surface of seat ring
8 water cavities
9 exhaust passages
10 regions threatened by crackle
11 backing members.
Specific embodiment
Bowing for the partial region of the cylinder head 1 of internal combustion engine is shown in the region of two neighbouring valve seats 2,3 in Fig. 1
View.As crack initiation portion, notch 4 be arranged in bridge joint wall 5 upside at, wherein notch 4 relative to the smallest valve base chamber away from
It is mobile a little.Hole 6 is parallel to interconnecting piece of the bridge joint wall surface among bridge joint wall 5 as valve seat 2,3 as crackle blocking portion and exists
It is stretched under notch.For better identifiability, the valve seat of all attached drawings is shown without seat ring (Sitzring).
Fig. 2 shows the second alternative arrangement of the combination section of crack initiation portion and crackle blocking portion:
For this purpose, Fig. 2 shows band, there are four the perspectives of the partial region of the four valve type cylinder head 1 of valve seat 3a, 3b, 3c, 3d
The top view of property.Here, notch 4a, 4b, 4c, 4d are as crack initiation portion with the smallest valve base chamber away from corresponding cloth compared to Fig. 1
It sets in valve bridge areas as there.Crackle blocking portion as hole 6a, 6b, 6c, 6d as in Fig. 1 downwards about notch 4a, 4b,
4c, 4d dislocation ground with the smallest valve base chamber away from be in bridge joint wall 5 in.Here, hole 6a, 6b, 6c, 6d are corresponding as crackle blocking portion
It is arranged on the bearing surface 7 for (unshowned) seat ring and is arranged on water cavity 8.
In Fig. 3 by the section corresponding to the cross section A in Fig. 2 show as notch 4e crack initiation portion and
The third embodiment of the arrangement of two holes 6e and 6f as crackle blocking portion.As in Fig. 2, risen as crackle
The notch 4e in beginning portion is at the surface of bridge joint wall 5 with the smallest valve base chamber away from extension.As in embodiment according to fig. 2 that
Sample, as the first crackle blocking portion the first hole 6e also parallel with notch 4e bridge joint wall 5 in the smallest valve base chamber away from slightly
Higher than being stretched on the bearing surface 7 for seat ring.It, can be in hole 6e because must be prevented from the gas exchanges between valve seat
In be sealed (as the hole 6b in Fig. 2) by seat ring adjacent accordingly.However, being prevented as the second crackle
Another hole 6f in portion is parallel to the first hole 6e in bridge joint wall 5 and is arranged on water cavity 8 under bearing surface 7.Here, sealing can
It is realized by plug or other closure members.But force-fitting should not be generated in such degree due to this plug or closure member
And/or shape cooperation, that is, thus crackle can continue to stretch.If crackle is using the crackle as notch 4e in the arrangement
Initial part is that starting point passes to the first crackle blocking portion corresponding to the first hole 6e, usually crackle should be prevented herein to continue to extend.?
In the case where the further powerful load formed with further crackle, hole 6e is used as herein for the immediately at that time
The crack initiation portion of two crackles is limitedly started from there at that time and is stopped using the second crackle blocking portion as hole 6f.
It is shown at bridge joint wall region 5 as crackle and is risen corresponding to the region B of Fig. 2 using the 4th embodiment in Fig. 4
Another alternative arrangement of the notch 4f combination in beginning portion as two holes 6g, 6h of two crackle blocking portions.Similar to Fig. 3
In third embodiment, in this crack initiation portion 4f and two crackle blocking portion 6g and 6h with the smallest valve base chamber anomaly row phase
It is folded.However, in the fourth embodiment, the notch 4f as crack initiation portion continues to extend up to first as hole 6g downwards
Crackle blocking portion.First crackle blocking portion has caused to significantly reduce notch stress and only regard as to a certain extent to split with hole 6g
Line blocking portion because by across notch 4f make a reservation for the first crackle.If forming crackle by starting point of hole 6g, the
Two hole 6h have the function of crackle blocking portion.The notch for obliquely continuing to extend up to blocking portion herein can be pre- to a certain extent
Determine the inclined trend of crackle.
It is shown in Fig. 5 with another 5th embodiment and is split at the exhaust passage 9 of the tubulose of internal combustion engine using combination
Line initial part/crackle blocking portion.Here, in the backing member of the notch 4g as crack initiation portion and the castingin as crackle blocking portion
The section by the region 10 threatened by crackle is shown in 11 plane.Thus notch 4g as crack initiation portion for example can be
It generates, that is, there is the protrusion of wedge shape at the casting core of exhaust passage, especially when such region of non-accessible processing.
As backing member 11 crackle blocking portion can by castingin but the steel plate of non-solder formed.
Claims (34)
1. heated and/or mechanical load the component wall (5) of the component of the guidance fluid and/or guidance gas of internal combustion engine, has:
At least one is due to load and by the region that crackle threatens, and crackle can be with being determined by service condition on the outside of wall wherein
It is formed in the component wall (5), and
At least one crackle blocking portion (6) is arranged in the region threatened by crackle and/or crackle in the component wall (5)
In extension portion and prevent crackle from further expanding,
It is characterized in that,
The formation of part uncontrolled ground crackle and crack propagation in order to prevent, in the region (5 threatened by crackle;10) on the outside of wall
Place is provided with crack initiation portion (4), formed limit ground positioning the initial position of crackle, wherein the crack initiation portion with it is described
The material of crackle blocking portion in this way is spaced apart, i.e., crack propagation passes through the material.
2. component wall according to claim 1, which is characterized in that the component is the cylinder head (1) of internal combustion engine, and by
The component wall of load is the valve bridge part (5) between neighbouring valve seat (3).
3. according to claim 1 or component wall as claimed in claim 2, which is characterized in that the crack initiation portion (4) is whole at its
It is stretched continuously or locally or dottedly and/or by weakening and/or passing through material using the material of geometry measure in a length
Material characterising measures are formed.
4. component wall according to claim 1 or 2, which is characterized in that the crack initiation cage structure is in notch (4)
The theoretical cracking position of the geometry of form changes to be formed by material, is generated by least one following measures:
It is mechanically removed by the method using cutting；
By evaporating material；
By melting material；
As casting or the notch (4) of castingin；
Pass through castingin part (11)；
Only partially play the wire rod of welding by fusing and/or partly plays the thin plate and/or partly of welding
Play the pulvis of welding；
As by molten material and quickly cooling notch effect, wherein generating in cast iron materials includes ledeburite
Tissue；And/or
As by quenching and thus in cast iron materials, generation microstructure martensite and/or the fusing of bainite bond material cause
Notch effect.
5. component wall according to claim 1 or 2, which is characterized in that the crack initiation portion as notch (4) exists
Punching generates in the case where GS, GJS, GJV or aluminium alloy, or cuts and produce in the case where GS, GJS, GJV, GJL or aluminium alloy
It is raw.
6. component wall according to claim 1 or 2, which is characterized in that the crackle blocking portion (6) is configured to the component
Material recess or perforation in wall (5).
7. component wall according to claim 1 or 2, which is characterized in that the crackle blocking portion passes through castingin material (11)
It generates.
8. component wall according to claim 1 or 2, which is characterized in that there are two stackedly being arranged in the component wall
Or more crackle blocking portion (6e, 6f).
9. component wall according to claim 8, which is characterized in that when valve bridge part is as component wall (5), in vertical pivot side
From the point of view of on, the first crackle blocking portion (6e) is arranged on valve seat ring-shaped bearing (7), and the second crackle blocking portion (6f) is arranged
Under the valve seat ring-shaped bearing (7) and on water cavity (8), wherein in response to this, that is, second crackle prevents
Portion (6f) is configured to hole, airtightly seal.
10. component wall according to claim 2, which is characterized in that the crackle blocking portion (6) is as hole as the crow flies with most
Small distance extension and/or crackle blocking portion (6) in the valve bridge part (5) between two neighbouring valve seats (3)
It is vertically stretched under the crack initiation portion about plotted, wherein the crack initiation portion (4) is used as notch and splits
Line blocking portion (6) misplaces the extension of the smallest spacing in parallel or arcuately and/or when necessary.
11. component wall according to claim 2, which is characterized in that face the cylinder head in the crackle blocking portion
(1) it is arranged to be cooled down by cooling medium on the side of cooling duct.
12. component wall according to claim 11, which is characterized in that hold in the cylinder head (1) and/or in injector
Na Taotongchu executes cooling medium commutation.
13. component wall according to claim 1, which is characterized in that the component is the exhaust passage of the tubulose of internal combustion engine
(9)。
14. component wall according to claim 13, which is characterized in that the crack initiation portion as notch (4g) by
The steel plate that the protrusion of wedge shape at the casting core of the exhaust passage (9) of casting is made and/or the crackle blocking portion passes through castingin
(11) it is formed.
15. component wall according to claim 1, which is characterized in that the component is cylinder head (1).
16. component wall according to claim 2, which is characterized in that the crack initiation portion (4) is between valve seat (3)
Extension on the outside of the wall of the valve bridge part (5).
17. component wall according to claim 4, which is characterized in that material evaporation is penetrated by means of electron ray and/or laser
Line carries out.
18. component wall according to claim 4, which is characterized in that material fusing is penetrated by means of electron ray and/or laser
Line and/or inductive energy carry out.
19. component wall according to claim 4, which is characterized in that castingin part (11) include metal and/or ceramics and/or
Glass.
20. component wall according to claim 4, which is characterized in that the castingin part is no or when necessary only in side quilt
Welding.
21. component wall according to claim 4, which is characterized in that the tissue comprising ledeburite is by from quenching, high surplus
Remaining quality or hardening media generate.
22. component wall according to claim 6, which is characterized in that the material recess described is punched through with lower section
Formula generates:
Material is mechanically removed, and/or
By evaporating material and/or molten material, wherein be arranged to when necessary, the cavity filling of the crackle blocking portion
There is thermally conductive solid material or filled with thermally conductive pulvis.
23. component wall according to claim 22, which is characterized in that the material recess described is punched through mechanically
Material is removed to generate as hole (6).
24. component wall according to claim 22, which is characterized in that the thermally conductive solid material is copper rod.
25. component wall according to claim 22, which is characterized in that the thermally conductive pulvis is copper powder.
26. component wall according to claim 7, which is characterized in that the crackle blocking portion is produced by the following material of castingin
It is raw:
Without or only partially serve welding material and/or
Using prevent welding separating layer surround material and/or
Ceramic material and/or
Glass material.
27. component wall according to claim 8, which is characterized in that two or more crackle blocking portions (6e, 6f) are in gas
Relative to the surface layout in face of combustion chamber at different spacing in the valve bridge areas as there of cylinder cap (1).
28. component wall according to claim 11, which is characterized in that face the cylinder head in the crackle blocking portion
(1) it is arranged to commutate by cooling medium on the side of cooling duct and is cooled down.
29. component wall according to claim 13, which is characterized in that the region (10) threatened in component wall by crackle is outside
Side is disposed with the notch (4g) as crack initiation portion, and crackle blocking portion (11) are disposed in the component wall.
30. component wall according to claim 29, which is characterized in that the crackle blocking portion (11) is set as the lining of castingin
Part.
31. component wall according to claim 14, which is characterized in that the steel plate (11) is non-solder.
32. a kind of for manufacturing in heated and/or mechanical load component wall according to any one of the preceding claims
In crackle blocking portion and crack initiation portion method, wherein the method includes the following steps:
At least one is set due to load and by the region that crackle threatens, crackle can be with being determined by service condition from wall wherein
Outside is formed in the component wall (5), and
At least one crackle blocking portion (6) is set, be arranged in the component wall (5) by crackle threaten region and/or
In crackle extension portion and prevent crackle from further expanding,
It is characterized in that, the method also includes the following steps:
The formation of part uncontrolled ground crackle and crack propagation in order to prevent, in the region (5 threatened by crackle;10) on the outside of wall
Place is provided with crack initiation portion (4), formed limit ground positioning the initial position of crackle, wherein the crack initiation portion with it is described
The material of crackle blocking portion in this way is spaced apart, i.e., crack propagation passes through the material.
33. vehicle, with according to claim 1 to heated and/or mechanical load component wall described in any one of 31.
34. vehicle according to claim 33, which is characterized in that the vehicle is commercial vehicle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013021691.5 | 2013-12-19 | ||
| DE102013021691.5A DE102013021691A1 (en) | 2013-12-19 | 2013-12-19 | Thermally and / or mechanically stressed component wall of a fluid and / or gas-conducting component, in particular a cylinder head of an internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104727968A CN104727968A (en) | 2015-06-24 |
| CN104727968B true CN104727968B (en) | 2019-06-18 |
Family
ID=51752968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410790715.1A Active CN104727968B (en) | 2013-12-19 | 2014-12-19 | Heated and/or mechanical load the component wall of the component especially cylinder head of the guidance fluid and/or gas of internal combustion engine |
Country Status (5)
| Country | Link |
|---|---|
| EP (2) | EP2886840B1 (en) |
| CN (1) | CN104727968B (en) |
| BR (1) | BR102014027759B1 (en) |
| DE (1) | DE102013021691A1 (en) |
| RU (1) | RU2683202C2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016123114A1 (en) * | 2016-11-30 | 2018-05-30 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | vehicle component |
| CN109681340A (en) * | 2019-02-15 | 2019-04-26 | 广西玉柴机器股份有限公司 | Engine cylinder cap |
| DE102020003317B4 (en) * | 2020-06-03 | 2023-07-27 | Mercedes-Benz Group AG | Hollow profile and method for its manufacture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3405904A1 (en) * | 1984-02-18 | 1985-10-24 | Bayerische Motoren Werke AG, 8000 München | Internal combustion engine with expansion joints arranged in combustion chamber walls |
| DE3715001A1 (en) * | 1987-05-06 | 1988-11-17 | Kloeckner Humboldt Deutz Ag | Light alloy cylinder head for an internal combustion engine |
| FR2736969B1 (en) * | 1995-07-18 | 1997-08-29 | Renault | CYLINDER HEAD OF INTERNAL COMBUSTION ENGINE COMPRISING A BRIDGE PROVIDED WITH A GROOVE |
| JP2002276460A (en) * | 2001-03-22 | 2002-09-25 | Isuzu Motors Ltd | Cylinder head |
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| SU44414A1 (en) * | 1934-07-14 | 1935-09-30 | П.И. Букарев | Cover with valve bores for internal combustion engines |
| DE2847249C2 (en) | 1978-10-31 | 1983-01-20 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Cylinder head for internal combustion engines |
| JPS61152917A (en) * | 1984-12-26 | 1986-07-11 | Koushinraido Hakuyo Suishin Plant Gijutsu Kenkyu Kumiai | Ceramic coated exhaust valve and its manufacturing method |
| DE3524776A1 (en) | 1985-07-11 | 1987-01-22 | Kloeckner Humboldt Deutz Ag | Web insert in the cylinder head of an internal combustion engine |
| DE3544787A1 (en) * | 1985-12-18 | 1987-06-19 | Kloeckner Humboldt Deutz Ag | Cylinder head with a divided heat shield for an internal combustion engine |
| FR2654775B1 (en) * | 1989-11-22 | 1992-01-31 | Peugeot | CYLINDER HEAD FOR INTERNAL COMBUSTION ENGINE WITH CAST INSERTS BETWEEN VALVE SEATS. |
| DE102010004960A1 (en) * | 2010-01-20 | 2011-07-21 | J. Eberspächer GmbH & Co. KG, 73730 | Pipe body and exhaust system |
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2013
- 2013-12-19 DE DE102013021691.5A patent/DE102013021691A1/en active Pending
-
2014
- 2014-10-16 EP EP14003542.9A patent/EP2886840B1/en active Active
- 2014-10-16 EP EP20199756.6A patent/EP3789599A1/en active Pending
- 2014-11-06 BR BR102014027759-5A patent/BR102014027759B1/en active IP Right Grant
- 2014-12-15 RU RU2014150760A patent/RU2683202C2/en active
- 2014-12-19 CN CN201410790715.1A patent/CN104727968B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3405904A1 (en) * | 1984-02-18 | 1985-10-24 | Bayerische Motoren Werke AG, 8000 München | Internal combustion engine with expansion joints arranged in combustion chamber walls |
| DE3715001A1 (en) * | 1987-05-06 | 1988-11-17 | Kloeckner Humboldt Deutz Ag | Light alloy cylinder head for an internal combustion engine |
| FR2736969B1 (en) * | 1995-07-18 | 1997-08-29 | Renault | CYLINDER HEAD OF INTERNAL COMBUSTION ENGINE COMPRISING A BRIDGE PROVIDED WITH A GROOVE |
| JP2002276460A (en) * | 2001-03-22 | 2002-09-25 | Isuzu Motors Ltd | Cylinder head |
Also Published As
| Publication number | Publication date |
|---|---|
| BR102014027759B1 (en) | 2023-01-31 |
| RU2014150760A (en) | 2016-07-10 |
| RU2683202C2 (en) | 2019-03-26 |
| CN104727968A (en) | 2015-06-24 |
| EP2886840B1 (en) | 2020-12-09 |
| RU2014150760A3 (en) | 2018-08-10 |
| EP3789599A1 (en) | 2021-03-10 |
| BR102014027759A2 (en) | 2016-04-26 |
| DE102013021691A1 (en) | 2015-06-25 |
| EP2886840A1 (en) | 2015-06-24 |
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