DE1059239B - Fuel feed pump for injection internal combustion engines - Google Patents

Fuel feed pump for injection internal combustion engines

Info

Publication number
DE1059239B
DE1059239B DEK23781A DEK0023781A DE1059239B DE 1059239 B DE1059239 B DE 1059239B DE K23781 A DEK23781 A DE K23781A DE K0023781 A DEK0023781 A DE K0023781A DE 1059239 B DE1059239 B DE 1059239B
Authority
DE
Germany
Prior art keywords
internal combustion
feed pump
combustion engines
fuel
fuel feed
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
Application number
DEK23781A
Other languages
German (de)
Inventor
Dr-Ing Kurt Ziesche
Willi Esser
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.)
Kloeckner Humboldt Deutz AG
Original Assignee
Kloeckner Humboldt Deutz 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 Kloeckner Humboldt Deutz AG filed Critical Kloeckner Humboldt Deutz AG
Priority to DEK23781A priority Critical patent/DE1059239B/en
Publication of DE1059239B publication Critical patent/DE1059239B/en
Pending legal-status Critical Current

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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F02D1/02—Controlling fuel-injection pumps, e.g. of high pressure injection type not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered
    • F02D1/08—Transmission of control impulse to pump control, e.g. with power drive or power assistance
    • F02D1/12—Transmission of control impulse to pump control, e.g. with power drive or power assistance non-mechanical, e.g. hydraulic
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/12—Feeding by means of driven pumps fluid-driven, e.g. by compressed combustion-air
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/12—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps having other positive-displacement pumping elements, e.g. rotary
    • F02M59/14—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps having other positive-displacement pumping elements, e.g. rotary of elastic-wall type
    • 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
    • F02M2700/13—Special devices for making an explosive mixture; Fuel pumps
    • F02M2700/1317—Fuel pumpo for internal combustion engines
    • F02M2700/1323—Controlled diaphragm type fuel pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Description

Brennstofförderpumpe für Einspritzbrennkraftmaschinen Die Erfindung betrifft eine Brennsto-fförderpumpe für Einspritzbrennkraftmaschinen, deren Antrieb durch die Druckschwankungen im Überströmkana1 der Einspritzpumpe erfolgt.Fuel feed pump for injection internal combustion engines The invention relates to a fuel feed pump for internal combustion engines, its drive occurs due to the pressure fluctuations in the overflow duct of the injection pump.

Brennstofförderpumpen der vorstehend näher beschriebenen Art*sind an sich bekannt. Sie arbeiten mit einem vom Druck beaufschlagten Glied, welches auf seiner freien Seite eine Pumpwirkung auf den zu fördernden Brennstoff ausübt. Die bekannte Förderpumpe hat den Vorteil, daß ihr Aufwand gegenüber einer mechanisch angetriebenen Förderpumpe sehr gering ist. Es ist nunmehr die Erkenntnis der neuen Erfindung, daß auch das von den Druckschwankungen beaufschlagte Glied zur Förderung des Brennstoffes noch eingespart werden kann, bei einer Einspritzbrennkraftmaschine, die einen hydraulisch wirkenden Regler hat. Der Vorschlag der neuen Erfindung geht dahin, daß als Förderglied der schwingende Kolben oder die schwingende Membran des durch den Überströmbrennstoff beaufschlagten hydraulischen Reglers dient. Durch die Erfindung wird also der schwingende Kolben des hydraulischen Reglers einem doppelten Zweck dienlich gemacht. Die an sich bei hydraulischen Reglern nicht gerne gesehenen Schwingungen des Reglerkolbens sind durch die neue Erfindung leichter in Kauf zu nehmen, weil sie, einmal vorhanden, zur Förderung des Brennstoffes nutzbar gemacht werden.Fuel pumps of the type described in more detail above * are known per se. They work with a pressurized member, which exerts a pumping effect on the fuel to be conveyed on its free side. The known feed pump has the advantage that its effort compared to a mechanical driven feed pump is very low. It is now the knowledge of the new Invention that the member acted upon by the pressure fluctuations for promotion the fuel can still be saved in an internal combustion engine, which has a hydraulic regulator. The proposal of the new invention goes to the fact that the vibrating piston or the vibrating membrane of the conveyor member is used by the hydraulic regulator acted upon by the overflow fuel. By the invention thus becomes the oscillating piston of the hydraulic regulator a double Purpose made useful. The ones that are not welcome in hydraulic regulators The new invention makes vibrations of the regulator piston easier to accept take because they, once available, can be used to promote the fuel will.

Die Erfindung ist in der Zeichnung in einer Ausführungsform beispielsweise dargestellt.The invention is shown in the drawing in one embodiment, for example shown.

In der Zeichnung sind die Einspritzelemente mit 1 bezeichnet. 18 ist der Saugkanal und; 19 der Überströmkanal. Der Überströmbrennstoff gelangt über eine Drossel 20 und eine Leitung 21 zurück in den Brennstofftank 5. Der Kolben 22 des hydraulischen Reglers wird auf einer Seite über eine Leitung 23 mit dem Druck des Überströmbrennstoffes vor der Drossel 20 beaufschlagt. Seine entgegen der Kraft der Reglerfeder 24 erfolgenden Bewegungen werden über die Stange 25 direkt oder über ein Gestänge auf die Regelstange der Einspritzpumpe übertragen. Die Vorspannung der Reglerfeder 24 ist zwecks Einstellung der Solldrehzahl durch Verschieben des Bolzens 26 veränderlich. Der Zylinderraum 27, der die Reglerfeder 24 enthält, ist über ein Saugventil 15 mit der vom Brennstofftank kommenden Leitung 6 und über ein Druckventil 16 mit der zum Saugkanal 18 der Einspritzpumpe führenden Leitung 9 verbunden.The injection elements are denoted by 1 in the drawing. 18 is the suction channel and; 19 the transfer channel. The overflow fuel passes through a Throttle 20 and a line 21 back into the fuel tank 5. The piston 22 of the hydraulic regulator is on one side via a line 23 with the pressure of the Overflow fuel applied in front of the throttle 20. Its against the force the governor spring 24 taking place movements are via the rod 25 directly or Transferred to the control rod of the injection pump via a linkage. The bias the governor spring 24 is for the purpose of setting the target speed by moving the Bolt 26 variable. The cylinder space 27 containing the governor spring 24 is via a suction valve 15 to the line 6 coming from the fuel tank and via a Pressure valve 16 connected to the line 9 leading to the suction channel 18 of the injection pump.

Die durch das stoßweise Austreten des überströmbrennstoffes bewirkten Schwingungen des Reglerkolbens 22 werden unmittelbar nach Art einer Kolbenpumpe zur Brennstofförderung herangezogen.That caused by the intermittent leakage of the overflow fuel Vibrations of the regulator piston 22 are generated immediately in the manner of a piston pump used for fuel delivery.

Die Wirksamkeit des Reglerkalbens 22 zur Brennstofförderung ist besonders groß bei solchen Reglern, bei denen der Reglerkolben mit dem Einstellglied der Einspritzpumpe über ein federndes Glied verbunden ist, so daß die Kolbenschwingungen nur sehr wenig gebremst werden. An dieser Stelle soll noch erwähnt werden, daß die neue Erfindung nicht beschränkt ist auf einen hydraulischen Regler mit einem Reglerkolben. Die Erfindung ist mit allen ihren Vorteilen auch dann verwendbar, wenn der hyraulische Regler an Stelle des Reglerkolbens eine Reglermembran hat.The effectiveness of the regulator piston 22 for pumping fuel is special large in such regulators, in which the regulator piston with the adjusting member of the injection pump is connected via a resilient member, so that the piston vibrations very little be braked. At this point it should be mentioned that the new invention is not limited to a hydraulic regulator with a regulator piston. the Invention, with all its advantages, can also be used when the hydraulic The regulator has a regulator diaphragm instead of the regulator piston.

Claims (1)

PATENTANSPRUCH: Brennstofförderpumpe für Einspritzbrennkraftmaschinen, deren Antrieb durch die Druckschwan: kungen im überströmkanal der Einspritzpumpe erfolgt, dadurch gekennzeichnet, daß bei einer Ei.nspxitzpumpe mit ,hydraulischem Regler als Förderglied der Kolben (22) oder die Membran des durch den überströmbrennstoff beaufsehlagten hydraulischen Reglers dient. In Betracht gezogene Druckschriften: Deutsche Patentschrift Nr. 728 940. In Betracht gezogene ältere Patente: Deutsches Patent Nr. 1001859. PATENT CLAIM: Fuel feed pump for internal combustion engines, which are driven by the pressure fluctuations in the overflow channel of the injection pump, characterized in that the piston (22) or the diaphragm of the hydraulic regulator acted upon by the overflow fuel serves as a delivery element in an internal pump with a hydraulic regulator . Documents considered: German Patent No. 728,940. Older Patents considered: German Patent No. 1001859.
DEK23781A 1954-10-19 1954-10-19 Fuel feed pump for injection internal combustion engines Pending DE1059239B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK23781A DE1059239B (en) 1954-10-19 1954-10-19 Fuel feed pump for injection internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK23781A DE1059239B (en) 1954-10-19 1954-10-19 Fuel feed pump for injection internal combustion engines

Publications (1)

Publication Number Publication Date
DE1059239B true DE1059239B (en) 1959-06-11

Family

ID=7216822

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK23781A Pending DE1059239B (en) 1954-10-19 1954-10-19 Fuel feed pump for injection internal combustion engines

Country Status (1)

Country Link
DE (1) DE1059239B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638629A (en) * 1969-10-02 1972-02-01 White Motor Corp Fuel injection system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE728940C (en) * 1939-12-12 1942-12-07 Kloeckner Humboldt Deutz Ag Auxiliary pump for fuel injection engines

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE728940C (en) * 1939-12-12 1942-12-07 Kloeckner Humboldt Deutz Ag Auxiliary pump for fuel injection engines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638629A (en) * 1969-10-02 1972-02-01 White Motor Corp Fuel injection system

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