CN1035210C - A nozzle head for a fuel injection device - Google Patents
A nozzle head for a fuel injection device Download PDFInfo
- Publication number
- CN1035210C CN1035210C CN93105390A CN93105390A CN1035210C CN 1035210 C CN1035210 C CN 1035210C CN 93105390 A CN93105390 A CN 93105390A CN 93105390 A CN93105390 A CN 93105390A CN 1035210 C CN1035210 C CN 1035210C
- Authority
- CN
- China
- Prior art keywords
- weight
- chrome
- shower nozzle
- nickel steel
- make
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/166—Selection of particular materials
-
- 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
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
-
- 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
- F02F2007/0097—Casings, e.g. crankcases or frames for large diesel engines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The material used for the nozzle tip (2) of the injector nozzle (1) is a mechanically highly alloyed chromium-nickel steel. The steel contains carbon, aluminium, titanium, iron, oxygen, nitrogen and yttrium oxide as admixtures. The nozzle tip (2) of the injector nozzle (1) has about twice the useful life in the aggressive, chemical and thermal environment of the combustion chamber of internal-combustion engines such as diesel engines, compared to previously known nozzle tips (2) for injector nozzles (1).
Description
The present invention relates to a kind ofly, particularly automatically be used for the shower nozzle of oil nozzle in the fuel injection apparatus in the internal-combustion engine of igniting, also relate to a kind of injection apparatus and a kind of diesel engine at internal-combustion engine.The shower nozzle of the oil nozzle of oil spout in the internal-combustion engine often is known as sprayer in technical term, it is a kind of typical easily loss parts, and is especially true in the motor that fuel oil is directly sprayed in the firing chamber.The material of shower nozzle often is in the temperature of high temperature and variation.In the firing chamber, temperature is constantly in firing temperature with newly send between the temperature of air and change, and this variation for example, causes the temperature variation on the outer wall of oil nozzle shower nozzle equally.Yet in the oil nozzle the inside that fuel oil therefrom flows through, the interrupted injection of fuel oil can cause the unexpected variation of temperature.
In addition because the high temperature in the combustion chamber and the aggressivity compound in the fuel oil, perhaps those in the waste gas of discharge by fuel oil in the aggressivity compound that forms of some composition and air, the corrosiveness on atomizer is very high.
In the firing chamber, the circulation of gas is very big.The fuel oil that goes out by small hole injection on the shower nozzle advances along the direction of turbulent flow usually.This situation causes rodent hot combustion gas to impact a side at the spray orifice back side on shower nozzle.Gas has the temperature that hundreds of degree to Celsius is done many degree equally.In large-scale diesel engine, for example, just cause oil nozzle shower nozzle rear portion, i.e. the burning of a side of spray orifice back side nozzle housing.Chemical erosion and corrosion are by used fuel oil and in-engine operating condition determined.For example, in the fuel oil therefore the content of sodium and vanadium and formed sodium vanadate one vanadyl or vanadic anhydride VO are rich in especially aggressivity and are famous (be dangerous) in high temperature corrosion.When engine was not worked, the sulphur compound of formation had corrosiveness.
Thought before that the shower nozzle of best existing design working several thousand hours, and just must have been changed after being typically about action time of 3000 to 5000 hours.Thisly thought before that the shower nozzle of top-quality existing design made with tungsten chromium cobalt/titanium alloy.There are a variety of materials to go for basically promoting working life.Yet, in fact compare with the life-span of the shower nozzle made from previous material therefor its working life if not identical also be very nearly the same.
Purpose of the present invention is exactly to create a kind of shower nozzle that is used for oil nozzle, and this shower nozzle also has the working life and the serviceability of growth under very disadvantageous situation.Aspect maintenance and reliability, the present invention also should make the fuel injection of fuel engine, particularly diesel engine be improved.Thereby, also just produce a kind of improved motor.According to the present invention, this shower nozzle for atomizer is characterized in that this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, this chrome-nickel steel is with carbon (C), aluminium (Al), iron (Fe), titanium (Ti), nitrogen (N), oxygen (O) and yittrium oxide (Y
2O
3) fusion forms.Fuel injection apparatus comprises an oil nozzle with a kind of like this shower nozzle, and disposes a kind of like this fuel injection apparatus that has a new shower nozzle on the motor.
The chrome-nickel steel of above-mentioned machinery fusion is with about 0.005% C to about 1% weight by weight, about 0.05% Al to about 5% weight, about 0.05% Fe to about 5% weight, about 0.05% N to about 2% weight, about 0.05% O to about 5% weight, about 0.05% Ti to about 5% weight, about 0.05 Y to about 5% weight
2O
3Fusion forms, and contains about 25% chromium to about 35% weight (Cr), and remaining is exactly nickel (Ni).
Described shower nozzle also can be used for so a kind of atomizer for internal combustion engine, it comprises a shower nozzle, it is characterized in that this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, this chrome-nickel steel is with carbon (C), aluminium (Al), iron (Fe), titanium (Ti), nitrogen (N), oxygen (O) and yittrium oxide (Y
2O
3) fusion forms.
Described shower nozzle also can be used for so a kind of fuel injection equipment (FIE) of internal combustion engine, it comprises a shower nozzle, it is characterized in that this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, this chrome-nickel steel is with carbon (C), aluminium (Al), iron (Fe), titanium (Ti), nitrogen (N), oxygen (O) and yittrium oxide (Y
2O
3) fusion forms.
This can be used for so a kind of internal combustion engine described shower nozzle, it comprises a fuel injection equipment (FIE), this fuel injection equipment (FIE) comprises a shower nozzle, it is characterized in that this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, this chrome-nickel steel is with carbon (C), aluminium (Al), iron (Fe), titanium (Ti), nitrogen (N), oxygen (O) and yittrium oxide (Y
2O
3) fusion forms.
Described shower nozzle also can be used for the engine for internal combustion engine, especially a kind of diesel engine, it comprises a fuel injection equipment (FIE) that is used for atomizer, and this fuel injection equipment (FIE) comprises a shower nozzle, it is characterized in that this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, this chrome-nickel steel is with carbon (C), aluminium (Al), iron (Fe), titanium (Ti), nitrogen (N), oxygen (O) and yittrium oxide (Y
2O
3) fusion forms.
For example, (MANUFACTURER is Inco Alloys International Hereford, and England) the made shower nozzle that is used for oil nozzle is in the working life of attempting just obtaining twice or three double-lengths for the first time with the alloy of the title/board that can buy on a kind of market by name " INCONEL alloy MA758 ".
This steel alloy is not to make and fuse with casting method, but with a kind of sintering process mechanical treatment in addition again, such as a kind of forging and pressing.This steel is also referred to as " disperse fusion, dispersed oxide is strengthened, or high temperature is strengthened ".Their manufacturing relates to the mechanical sintering process of a kind of heat, and this sintering process is at high temperature finished, heat treatment in addition again behind machine treatment.
The used material of the shower nozzle of oil nozzle is a kind of high alloy chromium nickel steel of machinery.As mixture, this steel contains carbon, aluminium, titanium, iron and yittrium oxide.Oxygen in a small amount and/or nitrogen are unharmful.In the aggressivity chemistry and thermal environment indoor such as the combustion in IC engine of diesel engine, compare with the atomizer shower nozzle of previously known the service life of atomizer shower nozzle, approximately can increase twice.
In diesel combustion indoor aggressivity chemistry and thermal environment, a shower nozzle made from MA758 is compared with previous known shower nozzle, approximately increases twice its service life.This is equivalent to surpass 10000 hours operating life, perhaps for example for a steamer diesel engine, is equivalent to about 2 years or the time-between-overhaul life more than 2 years (TBO), and in contrast to this, the TBO of the oil nozzle shower nozzle of previously known only one year.
The signal the side-looking vertical cross-section diagram shown in be a part that has the oil nozzle 1 of shower nozzle 2.Several, for example two spray orifices 21 in five spray orifices are radial directed but a little down.Fuel oil is supplied to spray orifice 21 by centre gangway 20, radially be injected into respectively then in firing chamber or the cylinder chamber slightly down, preferably along the burning room circulation direction.In such injection, particularly the housing parts 22 of the shower nozzle 2 at spray orifice 21 back sides always is in the chemistry and thermal stress of being growing on and on, and especially also has corrosive action, thereby is corroded and damages.
Claims (15)
1. one kind at internal combustion engine, the shower nozzle that particularly is used for atomizer in the fuel injection equipment (FIE) in the internal combustion engine of automatic ignition, it is characterized in that this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, this chrome-nickel steel is with carbon (C), aluminium (Al), iron (Fe), titanium (Ti), nitrogen (N), oxygen (O) and yittrium oxide (Y
2O
3) fusion forms.
2. according to the shower nozzle of claim 1, this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, it is characterized in that: this chrome-nickel steel is with about 0.005% C to about 1% weight by weight, about 0.05% Al to about 5% weight, about 0.05% Fe to about 5% weight, about 0.05% N to about 2% weight, about 0.05% O to about 5% weight, about 0.05% Ti to about 5% weight, about 0.05 Y to about 5% weight
2O
3Fusion forms, and contains about 25% chromium to about 35% weight (Cr), and remaining is exactly nickel (Ni).
3. according to the shower nozzle of claim 2, this shower nozzle is to make with a kind of chrome-nickel steel, it is characterized in that: this chrome-nickel steel contains about 0.045% C by the gross weight of material, about 0.330% Al and Fe, about 0.158% N, about 0.350% O, the Y of about 0.500% Ti about 0.560%
2O
3, about 30.54% Cr, all the other all are Ni.
4. atomizer that is used for internal combustion engine, it comprises a shower nozzle, it is characterized in that this shower nozzle is to make with the chrome-nickel steel that a kind of machinery fuses, this chrome-nickel steel is with carbon (C), aluminium (Al), iron (Fe), titanium (Ti), nitrogen (N), oxygen (O) and yittrium oxide (Y
2O
3) fusion forms.
5. atomizer as claimed in claim 4, it is characterized in that: this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, it is characterized in that: this chrome-nickel steel is with about 0.005% C to about 1% weight by weight, about 0.05% Al to about 5% weight, about 0.05% Fe to about 5% weight, about 0.05% N to about 2% weight, about 0.05% O to about 5% weight, about 0.05% Ti to about 5% weight, about 0.05 Y to about 5% weight
2O
3Fusion forms, and contains about 25% chromium to about 35% weight (Cr), and remaining is exactly nickel (Ni).
6. atomizer as claimed in claim 5, this shower nozzle is to make with a kind of chrome-nickel steel, it is characterized in that: this chrome-nickel steel contains about 0.045% C by the gross weight of material, about 0.330% Al and Fe, about N of 0.1 58%, about 0.350% O, the Y of about 0.500% Ti about 0.560%
2O
3, about 30.54% Cr, all the other all are Ni.
7. the fuel injection equipment (FIE) of an internal combustion engine, it comprises a shower nozzle, it is characterized in that this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, this chrome-nickel steel is with carbon (C), aluminium (Al), iron (Fe), titanium (Ti), nitrogen (N), oxygen (O) and yittrium oxide (Y
2O
3) fusion forms.
8. fuel injection equipment (FIE) as claimed in claim 7, it is characterized in that: this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, it is characterized in that: this chrome-nickel steel is with about 0.005% C to about 1% weight by weight, about 0.05% Al to about 5% weight, about 0.05% Fe to about 5% weight, about 0.05% N to about 2% weight, about 0.05% O to about 5% weight, about 0.05% Ti to about 5% weight, about 0.05 Y to about 5% weight
2O
3Fusion forms, and contains about 25% chromium to about 35% weight (Cr), and remaining is exactly nickel (Ni).
9. fuel injection equipment (FIE) as claimed in claim 8, this shower nozzle is to make with a kind of chrome-nickel steel, it is characterized in that: this chrome-nickel steel contains about 0.045% C by the gross weight of material, about 0.330% Al and Fe, about 0.158% N, about 0.350% O, the Y of about 0.500% Ti about 0.560%
2O
3, about 30.54% Cr, all the other all are Ni.
10. internal combustion engine, it comprises a fuel injection equipment (FIE), this fuel injection equipment (FIE) comprises a shower nozzle, it is characterized in that this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, this chrome-nickel steel is with carbon (C), aluminium (Al), iron (Fe), titanium (Ti), nitrogen (N), oxygen (O) and yittrium oxide (Y
2O
3) fusion forms.
11. internal combustion engine as claimed in claim 10, it is characterized in that: this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, it is characterized in that: this chrome-nickel steel is with about 0.005% C to about 1% weight by weight, about 0.05% Al to about 5% weight, about 0.05% Fe to about 5% weight, about 0.05% N to about 2% weight, about 0.05% O to about 5% weight, about 0.05% Ti to about 5% weight, about 0.05 Y to about 5% weight
2O
3Fusion forms, and contains about 25% chromium to about 35% weight (Cr), and remaining is exactly nickel (Ni).
12. internal combustion engine as claimed in claim 11, this shower nozzle is to make with a kind of chrome-nickel steel, it is characterized in that: this chrome-nickel steel contains about 0.045% C by the gross weight of material, about 0.330% Al and Fe, about 0.158% N, about 0.350% O, the Y of about 0.500% Ti about 0.560%
2O
3, about 30.54% Cr, all the other all are Ni.
13. engine that is used for internal combustion engine, especially a kind of diesel engine, it comprises a fuel injection equipment (FIE) that is used for atomizer, and this fuel injection equipment (FIE) comprises a shower nozzle, it is characterized in that this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, this chrome-nickel steel is with carbon (C), aluminium (Al), iron (Fe), titanium (Ti), nitrogen (N), oxygen (O) and yittrium oxide (Y
2O
3) fusion forms.
14. engine as claimed in claim 13, it is characterized in that: this shower nozzle is to make with a kind of chrome-nickel steel of machinery fusion, it is characterized in that: this chrome-nickel steel is with about 0.005% C to about 1% weight by weight, about 0.05% Al to about 5% weight, about 0.05% Fe to about 5% weight, about 0.05% N to about 2% weight, about 0.05% O to about 5% weight, about 0.05% Ti to about 5% weight, about 0.05 Y to about 5% weight
2O
3Fusion forms, and contains about 25% chromium to about 35% weight (Cr), and remaining is exactly nickel (Ni).
15. engine as claimed in claim 14, this shower nozzle is to make with a kind of chrome-nickel steel, it is characterized in that: this chrome-nickel steel contains about 0.045% C by the gross weight of material, about 0.330% Al and Fe, about 0.158% N, about 0.350% O, the Y of about 0.500% Ti about 0.560%
2O
3, about 30.54% Cr, all the other all are Ni.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP92810347A EP0569655B1 (en) | 1992-05-11 | 1992-05-11 | Injection nozzle for a fuel injection device |
| EP92810347.2 | 1992-05-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1080360A CN1080360A (en) | 1994-01-05 |
| CN1035210C true CN1035210C (en) | 1997-06-18 |
Family
ID=8211920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93105390A Expired - Fee Related CN1035210C (en) | 1992-05-11 | 1993-05-10 | A nozzle head for a fuel injection device |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0569655B1 (en) |
| JP (1) | JPH0719147A (en) |
| KR (1) | KR100373786B1 (en) |
| CN (1) | CN1035210C (en) |
| DE (1) | DE59205180D1 (en) |
| DK (1) | DK0569655T3 (en) |
| FI (1) | FI104751B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4411228C2 (en) * | 1994-03-31 | 1996-02-01 | Krupp Vdm Gmbh | High-temperature resistant nickel-based alloy and use of the same |
| DE59814428D1 (en) * | 1998-05-29 | 2010-03-04 | Waertsilae Nsd Schweiz Ag | fuel injector |
| DE59907093D1 (en) * | 1998-08-27 | 2003-10-30 | Waertsilae Nsd Schweiz Ag | Method of manufacturing a fuel injector and fuel injector |
| JP2976973B1 (en) * | 1998-09-29 | 1999-11-10 | トヨタ自動車株式会社 | Fuel injection valve for internal combustion engine |
| DE19963389A1 (en) | 1999-12-28 | 2001-07-05 | Bosch Gmbh Robert | Method of manufacturing a valve piece for a fuel injector |
| ATE388322T1 (en) * | 2002-04-11 | 2008-03-15 | Waertsilae Nsd Schweiz Ag | NOZZLE HEAD FOR A FUEL INJECTION NOZZLE |
| US20070131803A1 (en) * | 2005-12-13 | 2007-06-14 | Phadke Milind V | Fuel injector having integrated valve seat guide |
| KR101452034B1 (en) | 2009-06-30 | 2014-10-22 | 닛폰 피스톤 린구 가부시키가이샤 | Fuel injection nozzle for internal combustion engine, nozzle blank and manufacturing method thereof |
| EP2365206B1 (en) * | 2010-03-05 | 2014-04-30 | Wärtsilä Switzerland Ltd. | A nozzle for a fuel injector for internal combustion engines, and method of manufacturing a nozzle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6299433A (en) * | 1985-10-26 | 1987-05-08 | Natl Res Inst For Metals | Gamma'-phase precipitation strengthening heat resistant nickel alloy containing dispersed yttria particle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3133944A1 (en) * | 1981-08-24 | 1983-03-03 | Gebrüder Sulzer AG, 8401 Winterthur | Fuel injection nozzle, especially for diesel engines |
| CH671074A5 (en) * | 1986-11-25 | 1989-07-31 | Sulzer Ag |
-
1992
- 1992-05-11 EP EP92810347A patent/EP0569655B1/en not_active Expired - Lifetime
- 1992-05-11 DK DK92810347.2T patent/DK0569655T3/en active
- 1992-05-11 DE DE59205180T patent/DE59205180D1/en not_active Expired - Fee Related
-
1993
- 1993-03-31 JP JP5074361A patent/JPH0719147A/en active Pending
- 1993-04-08 KR KR1019930005844A patent/KR100373786B1/en not_active IP Right Cessation
- 1993-05-10 FI FI932107A patent/FI104751B/en active
- 1993-05-10 CN CN93105390A patent/CN1035210C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6299433A (en) * | 1985-10-26 | 1987-05-08 | Natl Res Inst For Metals | Gamma'-phase precipitation strengthening heat resistant nickel alloy containing dispersed yttria particle |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0569655A1 (en) | 1993-11-18 |
| JPH0719147A (en) | 1995-01-20 |
| DE59205180D1 (en) | 1996-03-07 |
| FI932107A (en) | 1993-11-12 |
| FI932107A0 (en) | 1993-05-10 |
| DK0569655T3 (en) | 1996-02-19 |
| CN1080360A (en) | 1994-01-05 |
| KR930023592A (en) | 1993-12-21 |
| FI104751B (en) | 2000-03-31 |
| KR100373786B1 (en) | 2003-06-18 |
| EP0569655B1 (en) | 1996-01-24 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 19970618 Termination date: 20100510 |