DE708957C - Starting device for carburettor engines - Google Patents

Starting device for carburettor engines

Info

Publication number
DE708957C
DE708957C DED68966D DED0068966D DE708957C DE 708957 C DE708957 C DE 708957C DE D68966 D DED68966 D DE D68966D DE D0068966 D DED0068966 D DE D0068966D DE 708957 C DE708957 C DE 708957C
Authority
DE
Germany
Prior art keywords
fuel
starting device
carburetor
suction pipe
pipe
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
Application number
DED68966D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daimler Benz AG filed Critical Daimler Benz AG
Priority to DED68966D priority Critical patent/DE708957C/en
Application granted granted Critical
Publication of DE708957C publication Critical patent/DE708957C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10242Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10281Means to remove, re-atomise or redistribute condensed fuel; Means to avoid fuel particles from separating from the mixture
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M1/00Carburettors with means for facilitating engine's starting or its idling below operational temperatures
    • F02M1/04Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling being auxiliary carburetting apparatus able to be put into, and out of, operation, e.g. having automatically-operated disc valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/1034Manufacturing and assembling intake systems
    • F02M35/10347Moulding, casting or the like
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/104Intake manifolds
    • F02M35/108Intake manifolds with primary and secondary intake passages
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/104Intake manifolds
    • F02M35/112Intake manifolds for engines with cylinders all in one line

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)

Description

Anlaßvorrichtung für Vergasermotoren Die Erfindung betrifft eine weitere Verbesserungund Ausgestaltung von Anlaßvorrichtungen für Vergasermotoren, bei denen ein Anlaßgemisch durch eine enge, den Hauptvergaser umgehende und in der Nähe der Zylindereinlaßöffnung einmündende Leitung durch den an dieser Stelle herrschenden Unterdruck zugeführt wird.Starting device for carburetor engines The invention relates to another Improvement and design of starting devices for carburetor engines in which a starting mixture through a narrow, the main carburetor bypassing and close to the Cylinder inlet opening opening through the line prevailing at this point Negative pressure is supplied.

Das Neue besteht nach der Erfindung darin, daß das Ansaugrohr zwischen der oder den zusätzlichen Einführungsstellen des Brennstoffes in das Ansaugrohr und dem Einlaß in den Zylinder schwellenartige Übergänge aufweist, welche flüssige Brennstofftropfen nicht in den _ Motorzylinder übertreten lassen. Die schwellenartigen Übergänge sind in der Weise gebildet, daß am Ansaugrohr nach den Motorzylindern hin schräg abfallende Querkanäle oberhalb der Sohle des Ansaugrohres ansetzen. Ein weiteres Merkmal der Erfindung ist, daß das Ansaugrohr gegen den von der Vergaserdrossel herkommenden aufsteigenden Ast hin abfallend verläuft, so daß der in der Sohle des Ansaugrohres sich sammelnde flüssige Brennstoff zur Vergaser-; drossel zurückfließen kann.The novelty of the invention is that the intake pipe between the additional point of introduction of the fuel into the intake pipe and the inlet to the cylinder has sill-like transitions which are fluid Do not allow drops of fuel to enter the _ engine cylinder. The threshold-like Transitions are formed in such a way that on the intake pipe after the engine cylinders Place diagonally sloping transverse channels above the bottom of the suction pipe. A Another feature of the invention is that the intake pipe against that of the carburetor throttle coming ascending branch slopes downwards, so that in the sole of the Suction pipe collecting liquid fuel to the carburetor; flow back throttle can.

Ansaugrohre, 'bei denen zum Auffangen des sich niederschlagenden Brennstoffes besondere kugelförmige Räume oder Rinnen eingegossen sind, sind bereits bekannt. Derart komplizierte Gußformen verteuern jedoch die Herstellungskosten solcher Rohre, und die in den Räumen oder Rinnen sich sammelnde Brennstoffmenge beeinträchtigt eine gleichmäßige Gemischbildung. Diese Übelstände werden durch die vorliegende Erfindung beseitigt.Intake pipes, 'where to collect the precipitating fuel special spherical spaces or channels are poured in, are already known. Such complicated molds, however, increase the production costs of such pipes, and affects the amount of fuel that collects in the spaces or gutters an even mixture formation. These evils are made by the present Invention eliminated.

Auf der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt, und zwar zeigen Abb. i eine Seitenansicht eines Ansaugrohres und ' Abb. 2 einen Querschnitt durch dieses nach der Linie 2-2 der Abb. i.In the drawing, an embodiment of the invention is shown, namely, Fig. 1 shows a side view of an intake pipe and Fig. 2 shows a Cross section through this along the line 2-2 of Fig. I.

Das Saugrohr enthält hierbei den aufsteigenden Kanal co, welcher an die die Drosselklappe enthaltende Mischkammer des Vergasers angeschlossen ist, ferner den am Motor entlang laufenden Längskanal c, von welchem die einzelnen Querkanäle cz, c2, c3 und c4 abgezweigt sind. Die Bohrungen für die Zufuhr des Anlaßbrennstoffes bzw. des Anlaßbrennstoffgemisches sind im Gußstück des Ansaugrohres vorgesehen und werden durch eine vom Vergaser kommende Leitung h und eine Verteilerleitung i gebildet, welche an den Stellen der Querkanäle cl-c4 durch Verbindungskanäle i, -i4 mit den Längskanälen c verbunden sind, wobei an den Austrittsstellen der Hilfsleitung jeweils besondere Zerstäubungseinrichtungen k vorgesehen sein können. Die Zufuhr des Hilfsbrennstoffes und der Anschluß der Hilfsleitung h an den Vergaser kann zweckmäßig in der folgenden Weise erfolgen : An die Schwimmerkammer des Vergasers ist eine Düse angeschlossen, die den Brennstoff einem Mischrohr zuleitet, durch das von außen her Luft zutreten kann. Über dem Mischrohr ist ein Absperrglied vorgesehen, durch das eine Verbindung des Mischrohres mit der Leitung h hergestellt wird.The intake manifold contains the ascending channel co, which is connected to the mixing chamber of the carburetor containing the throttle valve, and also the longitudinal channel c running along the engine, from which the individual transverse channels cz, c2, c3 and c4 branch off. The bores for the supply of the starting fuel or the starting fuel mixture are provided in the casting of the intake pipe and are formed by a line h coming from the carburetor and a distribution line i , which at the points of the transverse channels cl-c4 through connecting channels i, -i4 with the longitudinal channels c, it being possible for special atomizing devices k to be provided at the exit points of the auxiliary line. The supply of the auxiliary fuel and the connection of the auxiliary line h to the carburetor can expediently take place in the following way: A nozzle is connected to the float chamber of the carburetor, which feeds the fuel to a mixing tube through which air can enter from the outside. A shut-off element is provided above the mixing tube, by means of which a connection between the mixing tube and the line h is established.

Wie aus Abb. 2 ersichtlich, sind erfindungs gemäß die Querkanäle cl-c4 derart von deiLängsrohr c abgezweigt, daß jeweils an der zweigung die tiefste Stelle des Querkanals hö liegt als die Sohle o des Längskanals und damit in bezug auf diesen Längskanal eine Erhöhung oder Schwelle m darstellt, welche verhindert, daß flüssige Brennstofftropfen, welche sich im Längsrohr c ansammeln, in die z. B. zum Motor abfallenden Querkanäle c,-c4 und damit in die Motorzylinder eintreten können. Das Längsrohr c bzw. die Sohle o verläuft zweckmäßig horizontal oder gegen den senkrechten Kanal c. zu mehr oder weniger flach abfallend.As can be seen from Fig. 2, according to the invention, the transverse channels cl-c4 branched off from the longitudinal pipe c in such a way that the lowest point is at each branch of the transverse channel is higher than the sole o of the longitudinal channel and thus with respect to this Longitudinal channel represents an increase or threshold m, which prevents liquid Fuel droplets, which collect in the longitudinal tube c, into the z. B. to the engine sloping transverse channels c, -c4 and thus can enter the engine cylinder. That Longitudinal tube c or the sole o expediently runs horizontally or against the vertical Channel c. sloping to more or less gently.

Claims (3)

PATENTANSPRÜCHE: i. Anlaßvorrichtung für Vergasermotoren, bei der ein Anlaßgemisch durch eine enge, den Hauptvergaser umgehende und in der Nähe der Zylindereinlaßöffnung einmündende Leitung durch den an dieser Stelle herrschenden Unterdruck zugeführt wird, dadurch gekennzeichnet, daß das Ansaugrohr zwischen der oder den zusätzlichen Einführungsstellen des Brennstoffes in das Ansaugrohr und dem Eimaß in den Zylinder schwellenartige Übergänge (m) aufweist, welche flüssige Brennstofftropfen nicht in die Motorzylinder übertreten lassen. PATENT CLAIMS: i. Starting device for carburetor engines, in which a starting mixture through a narrow, the main carburetor bypassing and close to the Cylinder inlet opening opening through the line prevailing at this point Vacuum is supplied, characterized in that the suction pipe between the or the additional points of introduction of the fuel into the suction pipe and the Eimß in the cylinder has threshold-like transitions (m), which liquid Do not allow drops of fuel to enter the engine cylinders. 2. Anlaßvorrichtung nach Anspruch i, dadurch gekennzeichnet, daß die schwellenartigen Übergänge (m) in der Weise gebildet sind, daß am Ansaugrohr nach den Motorzylindern hin abfallende Querkanäle oberhalb der Sohle des Ansaugrohrs ansetzen. 2. Starting device according to claim i, characterized in that the threshold-like transitions (m) are formed in such a way that sloping towards the engine cylinders on the intake pipe Place the transverse channels above the sole of the suction pipe. 3. Anlaßvorrichtung nach den Ansprüchen x und 2, dadurch gekennzeichnet, daß das Längsrohr (c) gegenüber dem aufsteigenden Ast (co) der Saugleitung abfallend verläuft derart, daß der in der Sohle des Längsrohres sich ansammelnde flüssige Brennstoff zur Vergaserdrossel zurückfließen kann.3. Starting device according to claims x and 2, characterized in that the longitudinal tube (c) opposite the ascending branch (co) of the suction line descends in such a way that the in the bottom of the longitudinal pipe accumulating liquid fuel to the carburetor throttle can flow back.
DED68966D 1934-10-21 1934-10-21 Starting device for carburettor engines Expired DE708957C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED68966D DE708957C (en) 1934-10-21 1934-10-21 Starting device for carburettor engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED68966D DE708957C (en) 1934-10-21 1934-10-21 Starting device for carburettor engines

Publications (1)

Publication Number Publication Date
DE708957C true DE708957C (en) 1941-08-01

Family

ID=7060144

Family Applications (1)

Application Number Title Priority Date Filing Date
DED68966D Expired DE708957C (en) 1934-10-21 1934-10-21 Starting device for carburettor engines

Country Status (1)

Country Link
DE (1) DE708957C (en)

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