DE708169C - Fuel pump for multi-cylinder vehicle engines with only one injection pump piston and one distributor in the pressure line - Google Patents

Fuel pump for multi-cylinder vehicle engines with only one injection pump piston and one distributor in the pressure line

Info

Publication number
DE708169C
DE708169C DEV35389D DEV0035389D DE708169C DE 708169 C DE708169 C DE 708169C DE V35389 D DEV35389 D DE V35389D DE V0035389 D DEV0035389 D DE V0035389D DE 708169 C DE708169 C DE 708169C
Authority
DE
Germany
Prior art keywords
distributor
injection pump
pump piston
pressure line
vehicle engines
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
DEV35389D
Other languages
German (de)
Inventor
Joseph Vollmer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DEV35389D priority Critical patent/DE708169C/en
Application granted granted Critical
Publication of DE708169C publication Critical patent/DE708169C/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
    • F02M41/00Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
    • F02M41/02Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor being spaced from pumping elements
    • F02M41/06Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor being spaced from pumping elements the distributor rotating

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Description

Brennstoffpumpe für mehrzylindrige Fahrzeugmotoren mit nur einem Einspritzpumpenkolben und einem Verteiler in der Druckleitung Die Erfindung betrifft eine Brennstoffpumpe für mehrzylindrige Fahrzeugmotoren mit nur einem Einspritzpumpenkolben und einem Verteiler in der Druckleitung.Fuel pump for multi-cylinder vehicle engines with only one injection pump piston and a distributor in the pressure line. The invention relates to a fuel pump for multi-cylinder vehicle engines with only one injection pump piston and one Distributor in the pressure line.

Bei bekannten Brennstoffeinspritzpumpen dieser Art, bei denen ,also mittels einer Einspritzpumpe und ,einem Verteiler mehrere Zylinder gespeist werden, ist der Verteiler mit einem gesonderten Antrieb durch Zahnräder und einem besonderen Steuernocken versehen. Eine solche Einrichtung als Einheitsmaschinensatz, bei welchem Einspritzpumpe und Verteiler in einem gemeinsamen Gehäuse untergebracht werden, so daB diese Einheit wie eine Lichtmaschine oder eine Vi.elkolbeneinspritzpumpe an einem mehrzylindrigen Kraftwagen- oder Flugmotor mit der dafür vorgesehenen Antriebswelle in Verbindung gebracht werden kann, entbehrt durch geschilderte zusätzliche Mittel für die Bewegung des Verteilers der erforderlichen Betriebssicherheit, Einfachheit und hierdurch der Möglichkeit der Herstellung zu den dem Preise eines Motors angemessen niedrig zu haltenden Gestehungskosten.In known fuel injection pumps of this type, in which, that is several cylinders are fed by means of an injection pump and a distributor, is the distributor with a separate drive by gears and a special one Provide control cam. Such a device as a unit machine set, in which Injection pump and distributor are housed in a common housing, so that this unit works like an alternator or a four-piston injection pump on a multi-cylinder motor vehicle or aircraft engine with the drive shaft provided for this purpose can be associated, dispensed with by the additional means described for the movement of the distributor of the required operational safety, simplicity and thereby the possibility of production at the price of an engine commensurate with it production costs to be kept low.

Gegenstand der Erfindung ist die Ausführung der Einspritzpumpe mit Verteiler in der Weise, daß der Einspritzpumpenkolhen durch eine Stirnnockenscheibe bewegx wird, die mit mehreren der Zylinderzahl @entsprechenden, hintereinander folgenden Nocken versehen und unmittelbar auf der Verteilerwelle angeordnet ist.The subject of the invention is the execution of the injection pump with Distributor in such a way that the injection pump piston is driven by a face cam MOVEX, those following one another with several of the number of cylinders @ corresponding to one another Cam is provided and arranged directly on the distributor shaft.

Eine Ausführungsform des Erfindungsgegenstandes ist in Abb. i z. B. für einen Vierzylindermotor im Längsschnitt, in Abb. 2 in der Stirnansicht dargestellt.An embodiment of the subject matter of the invention is shown in Fig. B. for a four-cylinder engine in longitudinal section, shown in Fig. 2 in the front view.

Mit der Antriebswelle i steht `einerseits die 'Verteilerwelle a, andererseits die Nockenscheibie 3 in gleichachsiger Verbindung. Diese Nockenscheibe 3 ist mit zwei und mehr Nokken zum Antrieb des 'Einspritzpumpenkolhens ¢ ausgerüstet. Beim Ausführungsbeispiel ist die Nockenscheibe mit vier Nocken für einen Viertaktvierzylindermotor versehen, wobei die Antriebswelle i mit der halben Motordrehzahl umläuft. Der Einspritzpumpenkolben ..1. wird desläZ@s bei einer Umdrehung der Motorwelle z ?@ Pumpenhübe ausführen. Der Ptmipenkoll" drückt die Flüssigkeit über die Leitung in die Zentralbohrung der Verteilerwelle 2 und über Radialbohrungen derselben über Anschlüsse 1, 11, 111 und IV zu den Einspritzdüsen der einzelnen Zylinder. Da die Radialbohrungen ausgleichend gegeneinander versetzt sind, ist die Verteiler welle 2 von Seitendrücken entlastet. Zwischen Verteiler und Pumpenzyiinderdruckraum ist ein Druckventil und zwischen Saugleitung und Zylinderdruckraum ein Saugventil angeordnet. Die Wirkung dieser Ventile kann auch durch andere bekannte Mittel erzielt werden.With the drive shaft i, on the one hand the distributor shaft a, and on the other hand the cam disk 3, are in a coaxial connection. This cam disk 3 is equipped with two or more cams for driving the “injection pump piston”. In the exemplary embodiment, the cam disk is provided with four cams for a four-stroke four-cylinder engine, the drive shaft i rotating at half the engine speed. The injection pump piston ..1. will therefore @ s with one revolution of the motor shaft z? @ Perform pump strokes. The Ptmipenkoll " pushes the liquid over the line into the central bore of the distributor shaft 2 and via radial bores of the same via connections 1, 11, 111 and IV to the injection nozzles of the individual cylinders. Since the radial bores are offset from one another in a balancing manner, the distributor shaft 2 is relieved of side pressures. A pressure valve is arranged between the distributor and the pump cylinder pressure chamber and a suction valve is arranged between the suction line and the cylinder pressure chamber. The action of these valves can also be achieved by other known means.

Um das Festsetzen von Luftbläschen in den Brennstoffärderkanälen zu unterbinden, ist die Verteilerwelle 2 parallel über dem horizontalen Einspritzpumpenkolben 4. angeordnet (Abb. i).To prevent air bubbles from settling in the fuel channels prevent, the distributor shaft 2 is parallel above the horizontal injection pump piston 4. arranged (Fig. I).

Da es vorkommen kann, daß die Verteilerwelle 2 durch irgendeine Verunreinigung sich festfrißt, erfolgt der Antrieb der Verteilerwelle 2 und der Lockenscheibe 3 zweckmäßig über einen Abscherstift 9, der bei überlastung abgeschert wird. Pumpe und Motor werden hierdurch vor weiterem Schaden bewahrt. ., Das mit Deckel 8 geschlossene Pumpenge-1äuse 7 ist zugleich als ölvorratsgehäuse aus-Zbildet. Das Schmieröl fließt zur Verteilerwelle 2 über ölringkanälc 5 und zum Einspritzkolben q über ölringkan.al 6. Die Ölschmierung ist besonders wichtig bei Verwendung von fettfreiem Betriebsstoff, Benzin u. dgl. Zwecks Regelung der Brennstoffmenge ist der Einstellhebel i o in bekannter Weise verstellbar, welcher auf den Pumpenkolben im Sinne einer Drehung des Pumpenkolbens ,l einwirkt.Since it can happen that the distributor shaft 2 by some contamination jams, the drive of the distributor shaft 2 and the curling disk 3 takes place expediently via a shear pin 9, which is sheared off when overloaded. pump and the engine are protected from further damage. ., The closed with cover 8 Pump housing 7 is also designed as an oil reservoir housing. The lubricating oil flows to distributor shaft 2 via oil ring ducts 5 and to injection piston q via oil ring ducts al 6. Oil lubrication is particularly important when using non-grease fuel Petrol and the like. To regulate the amount of fuel, the setting lever is i o in known way adjustable, which on the pump piston in the sense of a rotation of the pump piston, l acts.

Claims (1)

PATLNTAN SPRUCH Brennstoffpumpe für mehrzylindrige Fahrzeugmotoren mit nur einem Einspritzpumpenkolben und einem Verteiler in der Druckleitung, dadurch gekennzeichnet, daß der Antrieb des einen EinspritzpuTnpenkolbens (4) durch eine Stirnnockenscheibe (3) erfolgt, die mit mehreren der Zylinderzahl entsprechenden hintereinander folgenden Nocken versehen und unmittelbar .auf der Verteilerwelle (1:2) angeordnet ist.PATLNTAN SPRUCH Fuel pump for multi-cylinder vehicle engines with only one injection pump piston and one distributor in the pressure line, thereby characterized in that the drive of an injection pump piston (4) is carried out by a Face cam disk (3) takes place with several corresponding to the number of cylinders one after the other provided cams and immediately .on the distributor shaft (1: 2) is arranged.
DEV35389D 1938-11-15 1938-11-15 Fuel pump for multi-cylinder vehicle engines with only one injection pump piston and one distributor in the pressure line Expired DE708169C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEV35389D DE708169C (en) 1938-11-15 1938-11-15 Fuel pump for multi-cylinder vehicle engines with only one injection pump piston and one distributor in the pressure line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV35389D DE708169C (en) 1938-11-15 1938-11-15 Fuel pump for multi-cylinder vehicle engines with only one injection pump piston and one distributor in the pressure line

Publications (1)

Publication Number Publication Date
DE708169C true DE708169C (en) 1941-07-14

Family

ID=7589668

Family Applications (1)

Application Number Title Priority Date Filing Date
DEV35389D Expired DE708169C (en) 1938-11-15 1938-11-15 Fuel pump for multi-cylinder vehicle engines with only one injection pump piston and one distributor in the pressure line

Country Status (1)

Country Link
DE (1) DE708169C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2741393A1 (en) * 1995-11-18 1997-05-23 Bosch Gmbh Robert FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2741393A1 (en) * 1995-11-18 1997-05-23 Bosch Gmbh Robert FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES

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