DE1476187A1 - Intake manifold for mixture-compressing fuel injection engines - Google Patents
Intake manifold for mixture-compressing fuel injection enginesInfo
- Publication number
- DE1476187A1 DE1476187A1 DE19631476187 DE1476187A DE1476187A1 DE 1476187 A1 DE1476187 A1 DE 1476187A1 DE 19631476187 DE19631476187 DE 19631476187 DE 1476187 A DE1476187 A DE 1476187A DE 1476187 A1 DE1476187 A1 DE 1476187A1
- Authority
- DE
- Germany
- Prior art keywords
- idle
- intake manifold
- combustion air
- throttle valve
- individual
- 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.)
- Pending
Links
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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
- F02M35/10098—Straight ducts
-
- 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
- F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
-
- 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
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/20—Multi-cylinder engines with cylinders all in one line
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
-
- 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
- F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10216—Fuel injectors; Fuel pipes or rails; Fuel pumps or pressure regulators
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10308—Equalizing conduits, e.g. between intake ducts or between plenum chambers
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
- F02M35/108—Intake manifolds with primary and secondary intake passages
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
- F02M35/112—Intake manifolds for engines with cylinders all in one line
-
- 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
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1824—Number of cylinders six
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
- F02D2700/02—Controlling by changing the air or fuel supply
- F02D2700/0269—Controlling by changing the air or fuel supply for air compressing engines with compression ignition
- F02D2700/0274—Controlling the air supply
-
- 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
- F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
- F02M2700/43—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel
- F02M2700/4302—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel whereby air and fuel are sucked into the mixture conduit
- F02M2700/4392—Conduits, manifolds, as far as heating and cooling if not concerned; Arrangements for removing condensed fuel
-
- 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)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
- Characterised By The Charging Evacuation (AREA)
Description
U76187 Patentanmeldung»U76187 patent application »
brennkraftmasohinencombustion engines
Die Erfindung besieht sich auf eine Saugrohranlage für gemieohverdiohtende Einepritzbrennkraftmaaohinen mit drosselklappenfreien Einzelsaugrohren zwischen den Zylindern und einem im Hormalbetrieb In Abhängigkeit von einer Drosselklappe mit Verbrennungsluft belieferten Sammelsaugrohr. Derartige Anlagen ermöglichen durch Ausnutzung von luftschwingungen eine besonders gute Füllung der Zylinder mit Verbrennungsluft. Andererseits treten aber Schwierigkeiten beim leerlaufbetrieb auf, wenn eioh aus irgend welchen Gründen die Drehzahl ändert, u.a. auoh, wenn man τοη Hormalbetrieb auf leerlaufbetrieb übergeht (z.B. bein plötzlionen Oaswegnehmen Im Kraftfahrzeug). Dann wird wohl das Regelglied der Einspritzpumpe sofort auf die der geänderten Drehzahl entsprechende Stellung gebracht, aber die Zylinder bekommen noch die bisherige Menge Luft, weil eioh der Druok in dem verhältnismäßig großen Volumen von Sammelsaugrohr und mnzelsaugrohrwai nioht sohnell genug auf den* neuen Wert einstellt. Das Kraftstoff-Luft-Verhältnis wird also vorübergehend falsch, und die Brennkraftmaschine läuft nioht einwandfrei.The invention relates to an intake manifold for gemieohverdiohtende injection combustion power maaohinen with throttle valve-free individual intake pipes between the cylinders and a in normal operation Depending on a throttle valve with Combustion air supplied collecting suction pipe. Such systems enable a special by exploiting air vibrations good filling of the cylinders with combustion air. on the other hand but difficulties occur when idling when eioh for whatever reasons the speed changes, including auoh, if τοη normal operation goes over to idle operation (e.g. bein Sudden Oas Removal In A Motor Vehicle). Then it will be the control element of the injection pump is immediately brought to the position corresponding to the changed speed, but the cylinders still get the previous amount of air, because eioh the Druok in the relatively large volume of manifold and mnzelsaugrohrwai not sufficiently fast to set the * new value. So the air-fuel ratio becomes temporary wrong, and the internal combustion engine does not run properly.
Zur Vermeidung diese· Übelstande· wird gemäß der Erfindung vorgeschlagen, dafl in dta Slnselsaugrohren Eintrittsöffnungen für die Verbrennungsluft, die la Leerlaufbetrieb infolge völligen Abeohlusses des Sammelaaugrohree durch die Drosselklappe nur durch diese Öffnungen eintreten kann, angeordnet sind. Auf diese Weise kann sioh sohnell der su der betreffenden neuen Drehzahl gehörende Druok vor den Einlaiventilen einstellen, weil hierfür eine Druokanpassung nur des verhältnismäßig kleinen Volumens zwischen der leerlaufluft-Elntritteöffnung und dem Einlaßventil erforderlloh ist.In order to avoid these inconveniences, it is proposed according to the invention that there be inlet openings in the island suction pipes for the Combustion air, which la idle operation as a result of complete Abeohlusses of the Sammelaaugrohree through the throttle valve only these openings can enter, are arranged. In this way, the speed associated with the new speed in question can be quickly identified Set Druok in front of the inlet valves, because for this a Druok adjustment only of the relatively small volume between the idle air inlet opening and the inlet valve required is.
90980S7Ö621 " * " /90980S7Ö621 "*" /
U76187U76187
- 2 - Palm 6167/4 - 2 - Palm 6167/4
1.2,19631.2.1963
Um zwischen den leerlaufluft-Eintrittsöffnungen und den Zylindern ein möglichst kleines Volumen zu erhalten, empfiehlt es sieh, die Eintrittsöffnungen in dem in Zylindernähe befindlichen Gebiet der Einzelsaugrohre anzuordnen·To between the idle air inlet openings and the In order to obtain the smallest possible volume for cylinders, it is advisable to place the inlet openings in the one near the cylinder To arrange the area of the individual intake manifolds
Weiterhin wird noch vorgeschlagen, daß die einzelnen Eintritte-Öffnungen für die Leerlauf-Verbrennungsluft in ein Leerlauf-Sammelsaugrohr mit einem gemeinsamen, insbesondere οIneteilbaren Iiufteintritt münden. Ein solches Leerlauf-Sammelsaugrohr ist für die Einstellung der Leerlauf-Luftmenge günstig, für die es dann nur eines Einstellorgane bedarf.It is also proposed that the individual inlet openings for the idle combustion air open into an idle manifold suction pipe with a common, in particular partially divisible, air inlet. Such an idle manifold suction pipe is favorable for setting the idle air volume, for which only one s adjusting element is required.
In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt.In the drawing is an embodiment of the invention shown.
Der Zylinderblock der Brennkraftmaschine ist mit, 10 bezeichnet. Die einzelnen Zylinder sind durch die Kreise 11-16 angedeutet. Die Verbrennungsluft gelangt über einen Klappenstutzen 17 mit einer Drosselklappe 18 in ein Sammelsaugrohr 19 und von dort über Einzelsaugrohre 20-25 zu den Zylindern 11-16. Die Einxelsaugrohre 20-25 weisen Eintrittsöffnungen 26- 31 für die Leerlauf-Verbrennungsluft auf. Diese öffnungen sind an ein Leerlauf-Sammelsaugrohr 32 angeschlossen, das bsi 33 einen durch eine Leerlaufeinstellschraube 34 einstellbaren Lufteintritt aufweist.The cylinder block of the internal combustion engine is denoted by 10. The individual cylinders are indicated by circles 11-16. The combustion air arrives via a flap connector 17 a throttle valve 18 into a manifold 19 and from there Via individual suction pipes 20-25 to cylinders 11-16. the Einxelsaugrohre 20-25 have inlet openings 26-31 for the idle combustion air. These openings are on an idle collecting suction pipe 32 is connected, the bsi 33 an adjustable by an idle adjustment screw 34 Has air inlet.
Die Kraftstoffeinspritzpumpe 35 ist über Einspritzleitungen 36-41 mit Einspritzdüsen 42-47 verbunden. Der Hegelmeoh*nismus ist vereinfachend dargestellt! Ein Gaspedal 4 β ist über ein Gestänge unter Zwischenschaltung einer von der Drehzahl abhängigen Korrekturvorrichtung (eohematisch angedeutet durch ein Gerät 49 mit Zentrifugalregler) an die Regelstange 50 der Einspritzpumpe 35 angeschlossen. Weiterhin steht das Gaspedal über ein Gestänge 51 mit der Drosselklappe 18 in Verbindung. Sine Rückhol-Zugfeder 52 sucht das Gaspedal in die gezeichnete Leerlaufptellung (Drosselklappe 18 ganz geschlossen) zu ziehen.The fuel injection pump 35 is via injection lines 36-41 connected to injectors 42-47. Hegelianism is shown in a simplified manner! An accelerator pedal 4 β is over a Linkage with the interposition of a speed-dependent correction device (indicated eohematically by a Device 49 with centrifugal regulator) is connected to the control rod 50 of the injection pump 35. The accelerator is still on Via a linkage 51 with the throttle valve 18 in connection. Sine return tension spring 52 seeks the accelerator pedal in the drawn Pull the idle position (throttle valve 18 fully closed).
- 3 909805/062 1 - 3 909805/062 1
U76187U76187
- 3 - Palm 6167/4 - 3 - Palm 6167/4
1.2.19631.2.1963
In dieser Leerlaufstellung liefert die Einspritzpumpe 35 die erforderliche Leerlauf-Kraftstoffmenge. Die Leerlaufluft gelangt ausschließlich über das Leerlauf-Sammelsaugrohr 32 zu den Zylindern 11—16. (Im Normalbetrieb ist die Drosselklappe 18 mehr oder weniger geöffnet , und die Zylinder 11-16 erhalten ihren Luftbedarf im wesentlichen über das Sammelsaugrohr 19 und die Einzelsaugrohre 20-25.)In this idling position, the injection pump 35 delivers the required amount of idling fuel. The idle air reaches only via the idle manifold suction pipe 32 to cylinders 11-16. (In normal operation, the throttle valve is 18 more or less open, and the cylinders 11-16 receive their air requirement essentially via the collecting suction pipe 19 and the individual suction pipes 20-25.)
Um die Wirkungsweise der Erfindung an einem Beispiel zu zeigen, sei angenommen, daß die Maschine mit ihrer Üblichen Leerlaufdrehzahl laufe. Im Ansaugsystem, also in dem Sammelsaugrohr 19 und den Einzelsaugrohren 20 - 25 hat sich dann der zu der betreffenden Drehzahl gehörige Unterdruck eingestellt. Zündet jetzt ein Zylinder aus irgend einem Grunde nicht richtig, so sinkt die Drehzahl ab, und das Korrekturgerät 49 stellt die Regelstange sofort auf eine größere Einspritzmenge, da (stationär betrachtet) zu einer kleineren Drehzahl ein kleinerer Unterdruck, also eine größere ZyIInderfüllung gehört. Wären jetzt die erfindungsgemäßen öffnungen 26 -31 nicht vorhanden und würde die Leerlaufluft im Gebiet des Klappenstutzens 17 in die Saugrohranlage eintreten, so brauchte es eine verhältnismäßig lange Zeit, bis sich in dem ganzen System (Sammelsaugrohr 19 und Einzelsaugrohre 20-25) der der kleineren Drehzahl entsprechende größere Druck aufgebaut hätte. In dieser Zeit wäre das Kraftstoff-Luft-Gemisch viel zu kraftstoffreich: Die Maschine würde noch schlechter laufen und noch mehr an Drehzahl verlieren. Auf diese Weise würde ein unangenehmes Pendeln der Drehzahl eingeleitet. Infolge der öffnungen 26 - 31 kann sich jedoch sehr schnell der höhere Druck zwischen diesen öffnungen und den Einlaßventilen an den Zylindern 11-16 aufbauen, sodaß ein zusätzliches Absinken der Drehzahl vermieden wird.To show the mode of operation of the invention using an example, it is assumed that the machine is running at its normal idle speed run. In the intake system, that is, in the collecting intake pipe 19 and the individual suction pipes 20-25 then have to be assigned to the relevant Speed corresponding vacuum set. If a cylinder does not ignite properly for any reason, it sinks Speed and the correction device 49 immediately sets the control rack to a larger injection quantity, since (considered stationary) A lower underpressure, i.e. greater cylinder filling, is associated with a lower speed. Would now be the invention openings 26-31 are not available and the idle air would enter the intake manifold in the area of the flap connector 17, it took a relatively long time to get into the whole system (collecting suction pipe 19 and individual suction pipes 20-25) which would have built up greater pressure corresponding to the lower speed. During this time the fuel-air mixture would be Much too fuel-rich: the machine would run even worse and lose even more speed. To this In this way, an uncomfortable speed oscillation would be initiated. As a result of the openings 26 - 31, however, the Build up higher pressure between these openings and the inlet valves on the cylinders 11-16, so that an additional drop the speed is avoided.
- 4 -909805/0621- 4 -909805/0621
Claims (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED0040824 | 1963-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1476187A1 true DE1476187A1 (en) | 1969-01-30 |
Family
ID=7045693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19631476187 Pending DE1476187A1 (en) | 1963-02-05 | 1963-02-05 | Intake manifold for mixture-compressing fuel injection engines |
Country Status (3)
Country | Link |
---|---|
US (1) | US3211139A (en) |
DE (1) | DE1476187A1 (en) |
GB (1) | GB1012107A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1526519A1 (en) * | 1966-09-02 | |||
US3404666A (en) * | 1967-12-18 | 1968-10-08 | Niel C. Thuesen | Means for controlling the movement of poppet valves |
DE2938406A1 (en) * | 1979-09-22 | 1981-04-09 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | FUEL INJECTION SYSTEM FOR MIXTURE-COMPRESSING, FOREIGN-COMBINED FOUR-STOCK COMBUSTION ENGINES WITH CONTINUOUS INJECTION INTO THE SUCTION PIPES |
EP1522715B1 (en) * | 2003-10-10 | 2015-02-25 | Nissan Motor Co., Ltd. | Intake arrangement for internal combustion engine |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2157034A (en) * | 1934-08-03 | 1939-05-02 | Percival S Tice | Fuel supply system for internal combustion engines |
US2833260A (en) * | 1955-05-31 | 1958-05-06 | Gen Motors Corp | Atmospheric vent for fuel injection nozzle |
US2860616A (en) * | 1957-05-31 | 1958-11-18 | Gen Motors Corp | Atmospheric nozzle control |
-
1963
- 1963-02-05 DE DE19631476187 patent/DE1476187A1/en active Pending
-
1964
- 1964-01-27 US US340343A patent/US3211139A/en not_active Expired - Lifetime
- 1964-02-03 GB GB4564/64A patent/GB1012107A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1012107A (en) | 1965-12-08 |
US3211139A (en) | 1965-10-12 |
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