DE2719838A1 - Pre-start lubricating pump for IC engine - consists of electrically or mechanically driven pump in parallel with main pump - Google Patents

Pre-start lubricating pump for IC engine - consists of electrically or mechanically driven pump in parallel with main pump

Info

Publication number
DE2719838A1
DE2719838A1 DE19772719838 DE2719838A DE2719838A1 DE 2719838 A1 DE2719838 A1 DE 2719838A1 DE 19772719838 DE19772719838 DE 19772719838 DE 2719838 A DE2719838 A DE 2719838A DE 2719838 A1 DE2719838 A1 DE 2719838A1
Authority
DE
Germany
Prior art keywords
pump
engine
electrically
parallel
oil
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
DE19772719838
Other languages
German (de)
Inventor
Guenter Braitsch
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 DE19772719838 priority Critical patent/DE2719838A1/en
Publication of DE2719838A1 publication Critical patent/DE2719838A1/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
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N19/00—Starting aids for combustion engines, not otherwise provided for

Abstract

The pre-start lubricating pump for IC engines, esp. of vehicles, is connected in parallel with the engine driven pump. It is powered either electrically, or mechanically via a special pedal. In the former case its circuit is made either by a push-button switch or by an additional contact in the ignition key operated series, between 'ignition on' and 'start the engine'. The pump can have a separate suction line, from min. safe oil level, and the circuit can include a device which indicates if the pump is sucking air.

Description

Kaltstart-Ölpumpe Cold start oil pump

Anwendungsgebiet: Die Erfindung betrifft eine Ölpumpe in 4-Takt-Otto=Motoren, besonders für KFZ-Motoren.Field of application: The invention relates to an oil pump in 4-stroke Otto engines, especially for car engines.

Zweck: Bei 4-Takt-Otto-Motoren müssen die Teile, die einer starken Reibung unterliegen' durch eine Ölpumpe ständig mit Motorenöl geschmiert werden. Es wäre vorteilhaft, wenn diese Teile bereits geschmiert wären, wenn der Motor zu laufen beginnt.Purpose: In 4-stroke Otto engines, the parts that are a strong Friction are subject to 'being constantly lubricated with engine oil by an oil pump. It would be beneficial if these parts were already lubricated when the engine closed starts running.

Stand der Technik: Ölpumpen in 4-Takt-Otto-Motoren werden von der Kurbelwelle des Motors angetrieben.State of the art: Oil pumps in 4-stroke Otto engines are used by the The engine's crankshaft is driven.

Kritik des Standes der Technik: Diese Ölpumpen verrichten ihre Arbeit zwangsläufig erst dann, wenn sich die Kurbelwelle mit ausreichender Drehzahl dreht, also wenn der Motor läuft. In der Phase des Startens werden die reibendon Teile nur ungentlgend geschmiert. Daraus resultieren eine hohe Reibung und ein holler Naterialversctleiß, besonders wenn das Öl bei niedrigen Temperaturen sehr zähflüssig ist.Criticism of the state of the art: These oil pumps do their job inevitably only when the crankshaft rotates with sufficient speed, so when the engine is running. In the startup phase, the parts will be rubbing only lubricated to an extent. This results in high friction and a holler Material deterioration, especially if the oil is very viscous at low temperatures is.

Aufgabe: Der Erfindung liegt die Aufgabe zugrunde, die reibenden Teile des Motors bereits vor dem Starten der Haschine ausreichend zu schmieren.Task: The invention is based on the task of the rubbing parts lubricate the engine sufficiently before starting the machine.

Lösung: Diese Aufgabe wird erfindungsmäßig dadurch gelöst, daß zusatzlich zur normalen, von der Kurbelwelle des Motors angetriebenen Ölpuinpe eine zweite, von einem Elektromotor angetriebeine Ülpurnpo (die Kaltstart-Ölpumpe) in den Motor eingebaut wird. Diese Pumpe wird vor dem Starten des Motors wenige Sekunden betätigt uiid fördert über die Ölkanäle dor normalen Ölpumpe das Motorenöl an die Reibunsstellen.Solution: According to the invention, this object is achieved in that additionally to the normal oil pump driven by the engine's crankshaft a second, Driven by an electric motor, a Ülpurnpo (the cold start oil pump) into the engine is installed. This pump is activated for a few seconds before the engine is started uiid conveys the engine oil to the friction points via the oil channels of the normal oil pump.

Weitere Ausgestaltung der Erfindung: Durch Anordnung des Ansaugkanals in der richtiren nöhe kann erreicht werden, daß die Kaltstart-Ölpumpe bei zu niedri@em Ölstand in der Ölwanne des Motors Luft ansaugt. Durch einen Widerstandsmesser in der Stromversorgung kann dies über eine Kontrolleuchte angezeigt werden.Another embodiment of the invention: By arranging the intake duct In the correct height it can be achieved that the cold start oil pump is too low Oil level in the engine oil pan sucks in air. Through an ohmmeter in the power supply, this can be indicated by a control lamp.

Erzielbare Vorteile: Der enorme Verschleiß, der an 4-Takt-Otto-@otoren in der Start-Phase auftritt (besonders, wenn das Öl durch niedrige Temperaturen sehr zähflüssig ist), wird durch den Einsatz der Kaltstart-Ölpumpe reduziert. Gleichzeitig erleichtert die verringerte Reibung das Anspringen des Motors. Zusätzlich kann ungenügender Ölstand angezeigt werden.Achievable advantages: The enormous wear and tear that occurs on 4-stroke petrol engines occurs in the start-up phase (especially when the oil is through low temperatures is very viscous), is reduced by using the cold start oil pump. Simultaneously the reduced friction makes it easier for the engine to start. In addition, it can be insufficient Oil level are displayed.

Beschreibung eines Ausführungsbeispiels: Ne@en der normalen, durch die iurbelwelle des Motors angetriebenen Ölpumpe wird eine zweite, elektrisch angetriebene Ölpumpe eingebaut, die das Motorenöl über die Kanäle ler normalen Olpumpe an die Verschleißteile befördert. Diese Ölpumpe wird bei Kraftfahrzeugen entweder durch einen Betätigungsknopf, oder durch Hineindrükken des Zündschlüssels, oder durch Wählen einer zusätzlichen Zündschlüsselstellung (zwischen "Zündung einschalten" und "Anlassen") betätigt.Description of an embodiment: Ne @ en the normal, through The oil pump driven by the engine's crankshaft becomes a second, electrically driven one Built-in oil pump that sends the engine oil to the normal oil pump through the channels Wear parts transported. This oil pump is used in motor vehicles either by an operating button, or by pushing in the ignition key, or by Selecting an additional ignition key position (between "switch on ignition" and "starting") actuated.

Claims (1)

Patentansprüche Oberbegriff@ Kaltstart-Ölpumpe für 4-Takt-Otto-und Diesel-Motoren, besonders für K@Z-Motoren, dadurch gekennzeichnet, daß diese Pumpe, elektrisch angetrieben (oder eventuell durch ein tußpedal) vor dem Starten der braschine diese schmier. Claims preamble @ cold start oil pump for 4-stroke petrol and Diesel engines, especially for K @ Z engines, characterized in that this pump, electrically driven (or possibly by a foot pedal) before starting the machine this smear. Unteranspruch: Olstandskontrolle, dadurch gekennzeichnet, daß der Ansaugkanal der í(altstart-Ölpumpe so angebracht wird, daß die Pumpe bei ungenügendern Ölstand Luft ansaugt und dies über einen Widerstandsmesser anzeigt.Subclaim: Oil level control, characterized in that the The intake duct of the í (old-start oil pump is attached in such a way that the pump is inadequate Oil level sucks in air and this is indicated by an ohmmeter.
DE19772719838 1977-05-04 1977-05-04 Pre-start lubricating pump for IC engine - consists of electrically or mechanically driven pump in parallel with main pump Pending DE2719838A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19772719838 DE2719838A1 (en) 1977-05-04 1977-05-04 Pre-start lubricating pump for IC engine - consists of electrically or mechanically driven pump in parallel with main pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772719838 DE2719838A1 (en) 1977-05-04 1977-05-04 Pre-start lubricating pump for IC engine - consists of electrically or mechanically driven pump in parallel with main pump

Publications (1)

Publication Number Publication Date
DE2719838A1 true DE2719838A1 (en) 1978-11-09

Family

ID=6007952

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772719838 Pending DE2719838A1 (en) 1977-05-04 1977-05-04 Pre-start lubricating pump for IC engine - consists of electrically or mechanically driven pump in parallel with main pump

Country Status (1)

Country Link
DE (1) DE2719838A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3929078A1 (en) * 1989-09-01 1991-03-07 Blaj Adrian Dipl Ing Forced lubrication of combustion engine with preliminary pumping - involves auxiliary pump driven briefly by battery-powered motor to establish pressure before engine is started

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3929078A1 (en) * 1989-09-01 1991-03-07 Blaj Adrian Dipl Ing Forced lubrication of combustion engine with preliminary pumping - involves auxiliary pump driven briefly by battery-powered motor to establish pressure before engine is started

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