CN104131879B - A kind of combustion chamber heat transfer surface structures - Google Patents
A kind of combustion chamber heat transfer surface structures Download PDFInfo
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- CN104131879B CN104131879B CN201410375561.XA CN201410375561A CN104131879B CN 104131879 B CN104131879 B CN 104131879B CN 201410375561 A CN201410375561 A CN 201410375561A CN 104131879 B CN104131879 B CN 104131879B
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- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses a kind of combustion chamber heat transfer surface structures. Described combustion chamber heat transfer surface structures comprises the matrix with heating surface, many horizontal reflection grooves that are arranged on lateral arrangement on heating surface and many are arranged on the oblique reflection groove of oblique layout on heating surface, between adjacent two horizontal reflection grooves, it is transverse load face, between adjacent two oblique reflection grooves, be oblique orientation load face, the intersection of described transverse load face and oblique orientation load face is provided with independent spill reflecting curved surface; Described horizontal reflection groove and oblique reflection groove are in a certain angle; Described horizontal reflection groove and oblique reflection groove all have reflecting curved surface, and the length direction of described horizontal reflection groove is vertical with high-speed and high-temperature air motion direction. Heating surface is by having catalyzed carbon hydrogen fuel, catalysis H2O steam, the functional material of high thermal resistance, low thermal absorptivity and high structural strength is made. The present invention has reduced heat loss to have the mode of certain surface structure and its functional material, has reduced CH, CO, NO discharge, improved the thermal efficiency.
Description
Technical field
The present invention relates to a kind of combustion chamber heat transfer surface structures, be specifically related to combustion chambers of internal combustion engines and combustion chambers of internal combustion enginesCylinder, cylinder head, valve, piston, cylinder jacket, more specifically, relate to the cylinder of combustion chamber, cylinder head, valve, piston,The heat transfer surface structures having on cylinder-barrel surface and there is catalyzed carbon hydrogen fuel, catalysis H2O steam, high thermal resistance, low heat absorptionThe functional material of rate and high structural strength.
Background technology
In internal combustion engine, combustion chamber total heat transfer accounts for 32% left and right of total fuel combustion generation heat. Traditional think internal combustionMachine combustion chamber radiant heat transfer amount accounts for the 0-7% of total amount of heat, in engineering, generally ignores now or adopts empirical equation to calculate, and sends outA person of good sense finds or has recognized that radiant heat transfer becomes the main heat transfer type in combustion chamber in certain temperature range through studying for a long period of time.When chamber temperature is in the time that 1173K is above, its heat transmits form taking radiation as main, and hyperthermia radiation energy great majority concentrate on 1～5 mu m wavebands, account for 90% of heat output, structure and surfacing composition Ni thereof, W, Mo, Ca, K, Pt, Rh,Ce0.75O2Zr0.25O2、γ-A12O3、TiO2To combustion gas acting in conjunction, there is catalyzed carbon hydrogen fuel, catalysis H2O steam, high heatResistance, low thermal absorptivity, adjusts structural strength function, not yet have in the prior art for reduce radiant heat transfer loss, CH, CO,The surface texture of the present invention of NO discharge, the raising thermal efficiency.
Summary of the invention
In order to reduce heat loss, reduce CH, CO discharge, coordinate burning tissue, to improve the thermal efficiency, the present invention aims to provide onePlant combustion chamber heat transfer surface structures, this surface texture reduces heat loss to have the mode of certain surface structure, reduces CH, CO rowPut, coordinate burning tissue, improve the thermal efficiency.
To achieve these goals, surface texture of the present invention is:
A kind of combustion chamber heat transfer surface structures, its design feature is to comprise
---matrix, it has heating surface;
---many are arranged on the horizontal reflection groove of lateral arrangement on heating surface, are to do between adjacent two horizontal reflection groovesFor the transverse load face of bearing structure;
---many are arranged on the oblique reflection groove of oblique layout on heating surface, are to do between adjacent two oblique reflection groovesFor the oblique orientation load face of bearing structure;
Described horizontal reflection groove and oblique reflection groove are in a certain angle; Described horizontal reflection groove and oblique reflection groove all haveReflecting curved surface, the length direction of described oblique reflection groove or laterally reflection groove is vertical with high-speed and high-temperature air motion direction;
The intersection of described transverse load face and oblique orientation load face is provided with independent spill reflecting curved surface;
Described matrix or its heating surface are by having catalyzed carbon hydrogen fuel, catalysis H2O steam, high thermal resistance, low thermal absorptivity andThe functional material of high structural strength is made.
High-speed and high-temperature air-flow of the present invention refers to that temperature is higher than 1173K, and speed is higher than the air-flow of 27m/s.
Thus, in the region of the heat that reflecting curved surface gathers e heating surface near, improve gas temperature herein,Accelerate not fire the burning of composition, improved the efficiency of combustion of gaseous mixture, reduced the discharge of CH, CO, improved heating surfaceTemperature, reduced radiant heat transfer loss. Due to the laterally existence of reflection groove and oblique reflection groove, reduce high-speed and high-temperature air-flowContact area, has reduced high speed convection heat transfer loss. Due to the laterally existence of reflection groove and oblique reflection groove, increase heat transfer tableThe turbulent flow film micro area disturbance of face high-speed and high-temperature air-flow, has increased and has not fired the obtaining oxygen, obtain heat of composition, the burning condition of chain reaction.Due to the laterally existence at the α angle of reflection groove and oblique reflection groove, for surface combustion tissue, the optimization etc. of combustion chamber provide canEnergy.
The present invention is by having catalyzed carbon hydrogen fuel, catalysis H2O steam, high thermal resistance, low thermal absorptivity and high structural strengthThe combustion chamber heat transfer surface structures made of material.
Be below further concrete structure of the present invention:
In order to improve the efficiency of combustion of combustion mixture, reduce heat loss, the opening of described independent spill reflecting curved surface is straightFootpath d1 can be by d1=0.7C, and degree of depth h1=1.1326C calculates, and place-centric arranges at two plane of load center line intersection point places, works as meterWhen calculation value d1≤1mm, independent reflecting curved surface is not set.
Width c=(0.017～0.333) A of described transverse load face or oblique orientation load face, wherein bearing structure is maximum shouldPower carrying width A=2mm～26mm.
Distance e=r-h between focusing center's point of described reflecting curved surface and described transverse load face or oblique orientation load face=(0.3～1.3) h, the wherein degree of depth h=of reflecting curved surface (0～1.618126) b, b is horizontal reflection groove or oblique reflection grooveGroove width, r is reflecting curved surface radius of curvature, b=(0.24975～0.4745) A; Wherein bearing structure maximum stress carrying widthA＝2mm～26mm。
Preferably, described reflecting curved surface is parabola.
As a kind of version of concrete application, the heating surface of described matrix is annular surface, described horizontal reflection grooveFor cannelure, described oblique reflection groove is helicla flute; Described spiral fluted pitch angle alpha will is by relational expression: tg α=Φ × p/ π d is trueFixed, wherein: d=h+2R, R is matrix curvature of curved surface radius, line is counted Φ=1～∞, pitch angle alpha will ∈ (0 °, 90 °); Described spiralThe pitch of groove is p=c+b, width c=(0.017～0.333) A of wherein said transverse load face or oblique orientation load face, described inOblique reflection groove and laterally groove width b=(0.24975～0.4745) A of reflection groove; Bearing structure maximum stress carrying width A=2mm～26mm. This heat transfer structure can be used on the curved inner wall or outer surface of contact high-temperature high-speed airflow, in cylinderWall, outer surface of piston.
As the version of the concrete application of another kind, the heating surface of described matrix is plane. Adjacent two horizontal strokes in planeTo the reflection groove layout that is parallel to each other, adjacent two oblique reflection grooves layout that is parallel to each other, one and air-flow in horizontal, oblique reflection grooveVertically, α angle is determined by combustion chambers burn tissue guide angle, α ∈ (0 °, 90 °), this plane surface heat transfer structure application representativeAs: cylinder cover.
As the version of the concrete application of another kind, the heating surface of described matrix is to change continuously curved surface or multistage curvatureRadius curved surface, the length direction of a reflection groove in horizontal, oblique reflection groove is vertical with airflow direction, and another reflection groove is with baseCentered by body structure center of surface, form curved surface annular groove or reflective trenches segmental arc.
The intersection of described oblique reflection groove or laterally reflection groove and described transverse load face or oblique orientation load face is fillet.
Feature of the present invention is also that the thickness of described functional material is 0.01mm～20mm, its constituent and quality hundredProportion by subtraction meets following relation:
Each constituent content sum is 100% above; Described w (Pt, Rh)=m1(Pt)/m2(Rh)＝5/1。
Further constituent and the mass percent of preferred described functional material meet following relation:
In discharge in internal combustion engine, the discharge of CH, CO is mainly derived from low temperature oxygen deprivation region, and combustion chamber inner surface is lowThe keypoint part of temperature (229 DEG C of left and right), oxygen deprivation, improving internal surface temperature, increasing air agitation, reduce CH, CO discharge is thisBright main theory foundation, adopts reflecting curved surface reflect focalization heat energy, increases reflective trenches reduction radiation and high-speed high-temperature gasContact area, to increase problem area air and do not fire that constituent fluctuation mixes be concrete structure of the present invention.
The present invention is directed to radiant heat transfer has proposed to set up reflecting curved surface, laterally reflection groove, oblique reflection at combustor surfaceGroove structure, in order to improve combustion chamber wall surface or near gas temperature, solves due to the low a large amount of generation CH of wall surface temperature, CO emissionA difficult problem, due to the raising of this temperature with reduced closely radiation surface area, greatly reduces radiant heat transfer loss; Simultaneously due toIn combustion chamber, the high-temperature gas of high-speed motion and closely high speed contact area minimizing, significantly reduced convection heat transfer' heat-transfer by convection loss;Increase again the disturbance of concave region unburned gas composition simultaneously, made unburned fuel composition obtain obtaining oxygen, obtain heat, chain reactionCondition, makes burning more abundant and clean.
The present invention is provided with transverse load face, oblique orientation load face structure for the heating surface that may carry, and makes above-mentioned biographyThe functions such as heat and bearing function obtain good combination.
The present invention, for coordinating combustion chambers burn ground tissue, is provided with α helix angle structure parameter, and the resultant effect that makes to burn is carriedHigh.
The present invention, by adjusting structural parameters b, c, h, e, α, can obtain the different surface textures that require.
The present invention is by chamber structure and surfacing composition Ni, W, Mo, Ca, K, Pt, Rh, Ce0.75O2Zr0.25O2、γ-A12O3、TiO2; To combustion gas acting in conjunction, to unburned carbon hydrogen fuel wherein, H2O steam has catalytic action, can reduce CH,CO, NO discharge, the raising thermal efficiency have high thermal resistance simultaneously, low thermal absorptivity, and high structural strength, adjusts its proportioning and can make materialMaterial has adaptability.
Compared with prior art, the invention has the beneficial effects as follows: laterally reflection groove, oblique reflection groove, reflecting curved surface structureNear heating surface, in the scope of e, improve gas temperature, accelerated the burning that composition is not fired in combustion chamber, improved fuelEfficiency of combustion, reduced the discharge of CH, CO, reduced radiant heat transfer loss. Laterally reflection groove, oblique reflection groove, reflection songFace structure decrease high-speed and high-temperature air-flow contact area, reduced high speed convection heat transfer loss. Laterally reflection groove, oblique reflectionGroove, reflecting curved surface structure have increased the turbulent flow of heating surface high-speed and high-temperature air-flow in heating surface zone-perturbation, have strengthened not combustionThe obtaining oxygen, obtain heat of composition, chain reaction condition, make burning more fully cleaner. The laterally α angle of reflection groove and oblique reflection groove knotSurface combustion tissue, the optimization etc. that structure is combustion chamber provides may. Combustion chamber heat transfer surface structures material has utilized cleverlyCombustion chamber high temperature heat energy, has reduced CH, CO, NO discharges usefulness, has improved the thermal efficiency.
Below in conjunction with drawings and Examples, the present invention is further elaborated.
Brief description of the drawings
Fig. 1 is the structural configuration schematic diagram of one embodiment of the invention;
Fig. 2 is A-A cutaway view of Fig. 1;
Fig. 3 is B-B cutaway view of Fig. 1;
Fig. 4 is C-C cutaway view of Fig. 1;
Fig. 5 is combustion chamber each several part pie graph;
Fig. 6 is chamber gas temperature and crank angle graph of a relation;
Fig. 7 is that combustion chamber gas instantaneous temperature and crank angle launch graph of a relation;
Fig. 8 is that cylinder jacket temperature is along axis distribution map.
Detailed description of the invention
Fig. 1～4 have schematically shown a kind of combustion chamber heat transfer surface structures that is applied in high temperature and high speed gas flow, this biographyHot surface can be the combustion chamber heating surfaces such as internal combustion engine, combustion chambers of internal combustion engines, Thermal Equipment, instrument. Heating surface may be depositedOn the comprehensive surface that has carrying mechanical load and friction to require in certain region.
Fig. 1 is the structural plan of a combustion chamber heating surface embodiment. In figure, 1 is combustion chamber heating surface matrix.On matrix 1, have the horizontal reflection groove 5 of many lateral arrangement and the oblique reflection groove 6 of many oblique layouts. Fig. 2 is laterally anti-Penetrate groove 5 or oblique reflection groove 6 profiles. A-A cross-section structure is that reflecting curved surface is distributed on heat transfer surface of the work by groove formStructure. The length direction of its reflective trenches is vertical or angled with main air motion direction. If main air motionDuring for turbulent flow, the length direction of reflective trenches is parallel with main fitting surface or the main processing datum of parts, or with partsThe curved surface annular groove forming centered by structure center of surface or reflective trenches segmental arc.
In the heat-transfer area structure of Fig. 1 combustion chamber, label 2 is that in the heat transfer surface structures of combustion chamber, bearing structure intersection is independent anti-Penetrate curved-surface structure. Its opening diameter d1 can be by d1=0.7C, and degree of depth h1=1.1326C calculates, and place-centric is in two plane of loadsHeart line intersection point place arranges, and in the time of calculated value d1≤1mm, independent reflecting curved surface is not set.
Determining of reflecting curved surface focusing center's point and reflecting curved surface: in Fig. 4, reflecting curved surface focusing center's point and carryingBody structure surface is determined apart from e's: e=r-h=(0.3～1.3) h; H=(0～1.618126) b; Reflecting curved surface is parabolic songFace. Reflecting curved surface width b=(0.24975～0.4745) A; A=2～26mm; Degree of depth h=(0～1.618126) b.
3 is bearing structure transverse load face; 4 is bearing structure oblique orientation load face. Bearing structure transverse load face 3 center lines(or median plane) is parallel to heat energy reflecting curved surface center line (or median plane). Bearing structure oblique orientation load face 4 center lines (or centerFace) become α angle with heat energy reflecting curved surface center line (or median plane), α ∈ (0 °, 90 °).
Determining of bearing structure plane of load width dimensions c and other physical dimensions. Selected parts load-bearing surface maximum is heldCarry stress characteristics width A, length L, feature load p. For example: combustion chambers of internal combustion engines cylinder jacket load-bearing surface first piston ring heightThe unit length that is maximum bearing stress width A, piston ring contact arc length is that the load in L, unit are is P. When designOrder: the loaded area A=3c+2b of unit; Structural bearing rate is V=3c/ (3c+2b); V=0.05～1; C=(0.017～0.333)A；
The heating surface of matrix is annular surface, and described horizontal reflection groove is cannelure, and described oblique reflection groove is helicla flute,As cylinder inner wall surface.
Spiral fluted pitch angle alpha will is by relational expression: tg α=Φ × p/ π d, wherein: d=h+2R, R is matrix curvature of curved surface halfFootpath, line is counted Φ=1～∞, pitch angle alpha will ∈ (0 °, 90 °); Pitch is p=c+b.
As the concrete version of another kind, the heating surface of described matrix is plane. In plane adjacent two laterally anti-Penetrate the groove layout that is parallel to each other, adjacent two oblique reflection grooves layout that is parallel to each other, in horizontal, oblique reflection groove one vertical with air-flow, αAngle determined by combustion chambers burn tissue guide angle, this plane surface heat transfer structure application representative as: cylinder cover.
As the concrete version of another kind, the heating surface of described matrix is to change continuously curved surface or multistage radius of curvatureCurved surface, the length direction of a reflective trenches is vertical with airflow direction, and another forms centered by parts structure center of surfaceCurved surface annular groove or reflective trenches segmental arc.
The heat transfer surface structures moulding of parts combustion chamber. Fig. 1 surface texture can adopt powder metallurgy, hot investment casting, pressure to becomeThe mode such as type and machining is made the parts with this combustion chamber heat transfer surface structures, surface roughness Ra=0.63～0.006 μ m; Each sharp corner becomes fillet.
Described in the present embodiment, matrix 1 and heating surface are by having catalyzed carbon hydrogen fuel, catalysis H2O steam, the high thermal resistance (system of conducting heatλ (3.3～8.8) W/ (mK)), the function of low thermal absorptivity (20～40%) and high structural strength (800HV～1000HV) number:Material is made, and the thickness of this functional material is 5mm, and its constituent and mass percent meet following relation:
35.9％Ni；
18％Ce0.75O2Zr0.25O2；
4.5％W；
4.5％Mo；
2％Ca；
2％K；
0.1％w(Pt、Rh)＝m1(Pt)/m2(Rh)＝5/1；
1％γ-A12O3；
32％TiO2。
The present embodiment can improve 2～88 DEG C of heating surface and near temperature, reduces heat transfer heat loss 5～30%, reducesSpecific fuel consumption 1.6～9.6%, reduction CH, CO discharge 1～15%.
Relevant data:
1) combustion chamber each several part pie graph (Fig. 5)
2) the each building block temperature in combustion chamber (table 1)
Table 1: combustion chamber each building block temperature list (K)
3) the each part heat output in combustion chamber (table 2)
Table 2: the each part heat output in combustion chamber (W)
4) chamber gas temperature and crank angle graph of a relation; (Fig. 6);
5) combustion chamber gas instantaneous temperature and crank angle launch graph of a relation; (Fig. 7);
6) cylinder jacket temperature is along axis distribution map; (Fig. 8).
The present invention is during as the combustion chamber heat transfer surface structures of Combustor, cylinder jacket, cylinder first piston ring topAnd between cylinder end face, there are many horizontal reflection grooves, oblique reflection groove, transverse load face, oblique orientation load face, due to first pistonBetween ring top and cylinder end face, be combustor surface, do not carry mechanical load, c size can be by less coefficient calculations; FirstPiston ring and lower surface are carrying heating surfaces, and c size can be by larger coefficient calculations.
The content that above-described embodiment is illustrated should be understood to these embodiment only for being illustrated more clearly in the present invention, and notBe used for limiting the scope of the invention, after having read the present invention, those skilled in the art are to various replacement forms of the present inventionAmendment all fall within the application's claims limited range.
Claims (10)
1. a combustion chamber heat transfer surface structures, is characterized in that, comprises
---matrix (1), it has heating surface;
---many are arranged on the horizontal reflection groove (5) of lateral arrangement on heating surface, between adjacent two horizontal reflection grooves (5), areAs the transverse load face (3) of bearing structure;
---many are arranged on the oblique reflection groove (6) of oblique layout on heating surface, between adjacent two oblique reflection grooves (6), areAs the oblique orientation load face (4) of bearing structure;
Described oblique reflection groove (6) is with laterally reflection groove (5) is in a certain angle; Described horizontal reflection groove (5) and oblique reflection groove(6) all there is reflecting curved surface, the length direction of described horizontal reflection groove (5) or oblique reflection groove (6) and high-speed and high-temperature air-flow fortuneMoving direction is vertical;
Described transverse load face (3) is provided with independent spill reflecting curved surface (2) with the intersection of oblique orientation load face (4);
Described matrix (1) or its heating surface are by having catalyzed carbon hydrogen fuel, catalysis H2O steam, high thermal resistance, low thermal absorptivity and heightThe functional material of structural strength is made.
2. combustion chamber according to claim 1 heat transfer surface structures, is characterized in that, described transverse load face (3) or obliqueTo width c=(0.017～0.333 of plane of load (4)) A, wherein bearing structure maximum stress carrying width A=2mm～26mm.
3. combustion chamber according to claim 1 heat transfer surface structures, is characterized in that, the focus of described reflecting curved surface and instituteState distance e=r-h=(-0.3 ~ 1.3 between transverse load face (3) or oblique orientation load face (4)) h, the wherein degree of depth h of reflecting curved surface=(0～1.618126) b, b is the groove width of oblique reflection groove (6) and horizontal reflection groove (5), r is reflecting curved surface radius of curvature, b=(0.24975～0.4745) A; Wherein bearing structure maximum stress carrying width A=2mm～26mm.
4. combustion chamber according to claim 1 heat transfer surface structures, is characterized in that, described reflecting curved surface is parabola.
5. combustion chamber according to claim 1 heat transfer surface structures, is characterized in that, the heating surface of described matrix (1) isAnnular surface, described horizontal reflection groove (5) is cannelure, described oblique reflection groove (6) is helicla flute; This spiral fluted helical angleα is by relational expression: tg α=Φ × p/ π d determines, wherein: d=h+2R, R is matrix curvature of curved surface radius, the degree of depth that h is reflecting curved surface,H=(0～1.618126) b, b is the groove width of oblique reflection groove (6) and horizontal reflection groove (5), line is counted Φ=1～∞, by High Temperature GasFlow path direction is determined; α ∈ (0 °, 90 °); This spiral fluted pitch is p=c+b, wherein said transverse load face (3) or oblique orientation loadWidth c=(0.017～0.333 of face (4)) A, described oblique reflection groove (6) and laterally the groove width b=of reflection groove (5)(0.24975～0.4745) A; Bearing structure maximum stress carrying width A=2mm～26mm.
6. combustion chamber according to claim 1 heat transfer surface structures, is characterized in that, the heating surface of described matrix (1) isPlane, adjacent two horizontal reflection grooves (5) layout that is parallel to each other in plane, adjacent two oblique reflection grooves (6) cloth that is parallel to each otherPut, in horizontal, oblique reflection groove one vertical with airflow direction, become α angle with another reflection groove, α ∈ (0 °, 90 °).
7. combustion chamber according to claim 1 heat transfer surface structures, is characterized in that, the heating surface of described matrix (1) isChange continuously curved surface or multistage radius of curvature curved surface, length direction and the air-flow side of a reflection groove in horizontal, oblique reflection grooveTo vertically, another reflection groove forms curved surface annular groove or reflective trenches segmental arc centered by basal body structure center of surface.
8. combustion chamber according to claim 1 heat transfer surface structures, is characterized in that, described oblique reflection groove (6) or horizontal strokeBe fillet to reflection groove (5) and the intersection of described transverse load face (3) or oblique orientation load face (4).
9. combustion chamber according to claim 1 heat transfer surface structures, is characterized in that, the thickness of described functional material is0.01mm～20mm, its constituent and mass percent meet following relation:
Ni（2～80）%；
Ce0.75O2Zr0.25O2（2～60）%；
W（2～10）%；
Mo（2～10）%；
Ca（1～5）%；
K（1～5）%；
w(Pt、Rh)（0.05～2）%；
γ-A12O3（0.5～7）%；
TiO2（10～70）%；
Each constituent content sum is 100% above; M in described w (Pt, Rh)1(Pt)/m2(Rh)=5/1。
10. combustion chamber according to claim 9 heat transfer surface structures, is characterized in that, the composition of described functional material becomesPoint and mass percent meet following relation:
Ni35.9%；
Ce0.75O2Zr0.25O218%；
W4.5%；
Mo4.5%；
Ca2%；
K2%；
w(Pt、Rh)0.1%；
γ-A12O31%；
TiO232%。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410375561.XA CN104131879B (en) | 2014-08-01 | 2014-08-01 | A kind of combustion chamber heat transfer surface structures |
| PCT/CN2015/085609 WO2016015669A1 (en) | 2014-08-01 | 2015-07-30 | Heat conductive surface structure for combustion chamber and engine cylinder block |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410375561.XA CN104131879B (en) | 2014-08-01 | 2014-08-01 | A kind of combustion chamber heat transfer surface structures |
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| CN104131879B true CN104131879B (en) | 2016-05-04 |
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| JP2001049379A (en) * | 1999-08-12 | 2001-02-20 | Nkk Corp | Heat transfer tube for heat exchanger |
| CN1312885A (en) * | 1998-08-11 | 2001-09-12 | 法国马涅蒂·马雷利公司 | Piston with active guiding head and associated combustion chamber |
| CN1985084A (en) * | 2004-07-12 | 2007-06-20 | 通用汽车公司 | Auto-ignition gasoline engine combustion chamber and method |
| CN201045313Y (en) * | 2007-01-29 | 2008-04-09 | 北京理工大学 | Electric-controlled high-pressure injection burning chamber |
| WO2009020206A1 (en) * | 2007-08-09 | 2009-02-12 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Internal combustion engine |
| CN101576002A (en) * | 2008-05-09 | 2009-11-11 | 广西玉柴机器股份有限公司 | Diesel combustion chamber for preventing fuel from impacting walls |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204024799U (en) * | 2014-08-01 | 2014-12-17 | 周华祥 | A kind of heat transfer surface structures |
| CN104131879B (en) * | 2014-08-01 | 2016-05-04 | 周华祥 | A kind of combustion chamber heat transfer surface structures |
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- 2014-08-01 CN CN201410375561.XA patent/CN104131879B/en active Active
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312885A (en) * | 1998-08-11 | 2001-09-12 | 法国马涅蒂·马雷利公司 | Piston with active guiding head and associated combustion chamber |
| JP2001049379A (en) * | 1999-08-12 | 2001-02-20 | Nkk Corp | Heat transfer tube for heat exchanger |
| CN1985084A (en) * | 2004-07-12 | 2007-06-20 | 通用汽车公司 | Auto-ignition gasoline engine combustion chamber and method |
| CN201045313Y (en) * | 2007-01-29 | 2008-04-09 | 北京理工大学 | Electric-controlled high-pressure injection burning chamber |
| WO2009020206A1 (en) * | 2007-08-09 | 2009-02-12 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Internal combustion engine |
| CN101576002A (en) * | 2008-05-09 | 2009-11-11 | 广西玉柴机器股份有限公司 | Diesel combustion chamber for preventing fuel from impacting walls |
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| CN104131879A (en) | 2014-11-05 |
| WO2016015669A1 (en) | 2016-02-04 |
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