SE437399B - AIR COMPRESSOR, DIRECT INJURED ENGINE - Google Patents
AIR COMPRESSOR, DIRECT INJURED ENGINEInfo
- Publication number
- SE437399B SE437399B SE7908088A SE7908088A SE437399B SE 437399 B SE437399 B SE 437399B SE 7908088 A SE7908088 A SE 7908088A SE 7908088 A SE7908088 A SE 7908088A SE 437399 B SE437399 B SE 437399B
- Authority
- SE
- Sweden
- Prior art keywords
- speed
- engine
- fuel
- air
- combustion
- Prior art date
Links
- 239000000446 fuel Substances 0.000 claims abstract description 31
- 238000002485 combustion reaction Methods 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 101100298295 Drosophila melanogaster flfl gene Proteins 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000000889 atomisation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Classifications
-
- 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
- F02B3/10—Engines characterised by air compression and subsequent fuel addition with compression ignition with intermittent fuel introduction
- F02B3/12—Methods of operating
-
- 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
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/14—Direct injection into combustion chamber
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Coloring (AREA)
Abstract
Description
veoeoàs-3 g a . l5 ' 2 med enkla medel åstadkommit en verklig förbättring, men det àg har visat sig att finfördelningen av bränslet i motorns ;\ undre driftområden borde ökas för att ge ytterligare för- É bättringar. _ I å I anslutning härtill avser nu uppfinningen en förbrän- ' Ü ningsmotor av det inledningsvis beskrivna slaget, vilket med enkla medel ytterligare fullkomnats så-att vid_tomgång och i undre varvtals- och lastområdet en i huvudsak optimal finfördelning av bränslet och omedelbar blandning av detta med förbränningsluften erhålles, utan att driftdata i övre driftområdena försämras. _ 7 I För detta ändamål har en förbränningsmotor enligt upp- finningen de i bifogade patentkrav angivna kännetecknen.' Genom likasättandeteller nära nog likasättandet av för- fbränningsluftens hastighet och bränslets utgångshastighet vid motorns nominalvarvtal uppträder praktiskt taget ingen relativhastighet, varför ingen sönderfallet av bränslestrå- len understödande friktion uppstår. Därigenom får också en av ökningen av diametern hos insprutarens munstycksöppning "orsakad större beröringsyta mellan bränsle och förbrännings- luft nära nog intet inflytande. De fördelar, som förfarandet med väggpåförsel av bränslet ger i motorns övre driftområden, bibehålls sålunda i full utsträckning. Det må också nämnas att ökningen av munstycksöppningens diameter och därmed munstyckstvärsnittet, vilket skulle ha en minskning av strålhastigheten och därmed insprutningstrycket till följd, upphävs av den i insprutarens munstycksöppning indykande strypnålen. I Vid tomgång och i undre varvtals- och lastområdet för- blir insprutningstrycket och därmed bränslets utgångshas- tighet från munstycksöppningen konstant, samtidigt som för- bränningsluftenshastighet minskas överproportionellt i för- hållande till motorvarvtalet. Detta medför att en avsevärd relativhastighet och därmed friktion mellan.bränsle och förbränningsluft uppstår, vilken ger en fin förstoftning av bränslet. Denna förstoftning understöds av denenligt uppfin- ningen åstadkomna ~ökningen av bränslestråldiametern och därmed strålens yta. u fr--_a gí POOR i..l1_l!ÅLlI_\__{y.,\, ______ Med utförandet av en motor på det beskrivna sättet nås optimala förhållanden, d.v.s. man får över hela driftområ- det god blandningsbildning och därmed även fullständig för- bränning med motsvarande-goda kvalitet hos avgaserna. veoeoàs-3 g a. l5 ' 2 by simple means brought about a real improvement, but it also has been shown that the atomization of the fuel in the engine; \ lower operating areas should be increased to provide additional benefits improvements. _ I å In connection with this, the invention now relates to an incinerator engine of the type initially described, which by simple means further perfected so-that at_evolution and in the lower speed and load range a substantially optimal atomization of the fuel and immediate mixing thereof with the combustion air is obtained, without operating data in the upper operating areas deteriorate. _ 7 For this purpose, an internal combustion engine according to the characteristics specified in the appended claims. ' Through equalization or almost the equalization of combustion air velocity and fuel outlet velocity at the engine nominal speed, virtually no one appears relative speed, so that no decay of the fuel jet the supporting friction occurs. Thereby also getting one of the increase in the diameter of the nozzle orifice of the injector "caused greater contact area between fuel and combustion air almost no influence. The benefits, as the procedure with wall application of the fuel gives in the upper operating ranges of the engine, is thus fully maintained. It may also be mentioned that the increase in the diameter of the nozzle opening and thus nozzle cross section, which would have a reduction of the jet velocity and thus the injection pressure as a result, is canceled by the person diving into the nozzle opening of the injector choke. IN At idle and in the lower speed and load range, the injection pressure and thus the fuel outlet speed from the nozzle opening is constant, at the same time as combustion air velocity is reduced disproportionately in holding to the engine speed. This means that a considerable relative speed and thus friction between.fuel and combustion air occurs, which gives a nice atomization of the fuel. This sputtering is supported by the present invention. the increase in the fuel jet diameter and thus the surface of the beam. u fr --_ a gI POOR i..l1_l! ÅLlI _ \ __ {y., \, ______ With the design of an engine in the manner described optimal conditions, i.e. you get over the entire operating the good mixture formation and thus also complete combustion with correspondingly-good quality of the exhaust gases.
Uppfinningen förtydligas ytterligare av några i prakti- ken uppnâdda värden: Genomsnittliga hastigheten hos bränslestrålen under in- sprutningsförloppet är omkring 100 m/s. Hastigheten hos för- bränningsluften i närheten av bränslestrålen väljs vid nomi- nalvarvstal likaledes till 100 m/s. Därmed är relativhastig- heten i motorns övre driftsområde mellan bränsle och för- bränningsluft praktiskt taget lika med noll. Därvid förut- sätts naturligtvis vissa avvikelser på grund av den varie- rande hastigheten i bränslestrålspetsen, till vilka man dock inte behöver ta hänsyn. När motorvarvtalet minskar, sjunker periferihastigheten hos förbränningsluften överproportio-\ nellt, det vill säga vid ett varvtalsförhållande på u, exempelvis vid minskning från 4000 v/min till 1000 v/min blir förhållandet mellan hastigheterna hos bränsle och för- bränningsluft omkring 5,5, eftersom bränsleinsprutningstryc- ket och därmed insprutningshastigheten förblir nära nog konstant. Sålunda blir förbränningsluftens hastighet vid ett motorvarvtal på 1000 v/min omkring 18 m/s och en relativhas- tighet till bränslet på 82 m/s. i QUALITY 79Û8Û88f3 “íbbíöiThe invention is further clarified by some practitioners. values achieved: Average velocity of the fuel jet during the the spraying process is about 100 m / s. The speed of the combustion air in the vicinity of the fuel jet is selected at nomi- nal speed also to 100 m / s. Thus, the relative speed in the upper operating range of the engine between fuel and combustion air practically equal to zero. In doing so, certain deviations are, of course, due to the the velocity of the fuel jet tip, to which, however do not need to take into account. When the engine speed decreases, it decreases the peripheral velocity of the combustion air over-proportional nellt, that is to say at a speed ratio of u, for example at a reduction from 4000 rpm to 1000 rpm the relationship between the velocities of fuel and the combustion air about 5.5, as the fuel injection pressure and thus the injection rate remains close enough constant. Thus, the speed of the combustion air at one engine speed of 1000 rpm around 18 m / s and a relative speed capacity to the fuel at 82 m / s. and QUALITY 79Û8Û88f3 Íbbíöi
Claims (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2842458A DE2842458C2 (en) | 1978-09-29 | 1978-09-29 | Air-compressing, direct-injection internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7908088L SE7908088L (en) | 1980-03-30 |
SE437399B true SE437399B (en) | 1985-02-25 |
Family
ID=6050844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7908088A SE437399B (en) | 1978-09-29 | 1979-09-28 | AIR COMPRESSOR, DIRECT INJURED ENGINE |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS6033975B2 (en) |
AT (1) | AT380069B (en) |
CH (1) | CH641874A5 (en) |
DD (1) | DD146079A1 (en) |
DE (1) | DE2842458C2 (en) |
FR (1) | FR2437504B1 (en) |
GB (1) | GB2033473B (en) |
HU (1) | HU181907B (en) |
IN (1) | IN152752B (en) |
IT (1) | IT1123742B (en) |
SE (1) | SE437399B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATA129885A (en) * | 1985-05-02 | 1987-02-15 | Steyr Daimler Puch Ag | AIR COMPRESSING PISTON COMBUSTION ENGINE |
US4761234A (en) * | 1985-08-05 | 1988-08-02 | Toray Industries, Inc. | Interfacially synthesized reverse osmosis membrane |
KR0183370B1 (en) * | 1995-07-07 | 1999-04-15 | 김은영 | Reverse osmotic compositic membrane having active layer of aromatic polyester or copolymer of aromatic polyester and aromatic polyamide |
WO2004083038A1 (en) | 2003-03-20 | 2004-09-30 | Ricoh Company Ltd. | Powder charging device and powder charging method |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2709161A1 (en) * | 1977-03-03 | 1978-09-07 | Maschf Augsburg Nuernberg Ag | AIR-COMPRESSING, DIRECT INJECTING COMBUSTION ENGINE |
-
1978
- 1978-09-29 DE DE2842458A patent/DE2842458C2/en not_active Expired
-
1979
- 1979-09-13 CH CH828579A patent/CH641874A5/en not_active IP Right Cessation
- 1979-09-17 DD DD79215592A patent/DD146079A1/en not_active IP Right Cessation
- 1979-09-24 AT AT0626479A patent/AT380069B/en not_active IP Right Cessation
- 1979-09-25 HU HU79MA3207A patent/HU181907B/en not_active IP Right Cessation
- 1979-09-26 IT IT26029/79A patent/IT1123742B/en active
- 1979-09-28 JP JP54125226A patent/JPS6033975B2/en not_active Expired
- 1979-09-28 FR FR7924201A patent/FR2437504B1/en not_active Expired
- 1979-09-28 SE SE7908088A patent/SE437399B/en not_active IP Right Cessation
- 1979-10-01 GB GB7933941A patent/GB2033473B/en not_active Expired
- 1979-10-11 IN IN1059/CAL/79A patent/IN152752B/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT7926029A0 (en) | 1979-09-26 |
JPS5549524A (en) | 1980-04-10 |
IT1123742B (en) | 1986-04-30 |
DE2842458C2 (en) | 1983-12-01 |
IN152752B (en) | 1984-03-31 |
HU181907B (en) | 1983-11-28 |
SE7908088L (en) | 1980-03-30 |
DD146079A1 (en) | 1981-01-21 |
DE2842458A1 (en) | 1980-04-10 |
GB2033473B (en) | 1982-08-04 |
AT380069B (en) | 1986-04-10 |
FR2437504A1 (en) | 1980-04-25 |
FR2437504B1 (en) | 1985-10-18 |
GB2033473A (en) | 1980-05-21 |
CH641874A5 (en) | 1984-03-15 |
JPS6033975B2 (en) | 1985-08-06 |
ATA626479A (en) | 1985-08-15 |
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Legal Events
Date | Code | Title | Description |
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NUG | Patent has lapsed |
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