DE464841C - Starting control for internal combustion engines, especially for vehicle engines - Google Patents

Starting control for internal combustion engines, especially for vehicle engines

Info

Publication number
DE464841C
DE464841C DED54268D DED0054268D DE464841C DE 464841 C DE464841 C DE 464841C DE D54268 D DED54268 D DE D54268D DE D0054268 D DED0054268 D DE D0054268D DE 464841 C DE464841 C DE 464841C
Authority
DE
Germany
Prior art keywords
engines
control shaft
internal combustion
starting control
vehicle
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
DED54268D
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.)
Deutsche Werke Kiel A G
Original Assignee
Deutsche Werke Kiel A G
Publication date
Priority to DED54268D priority Critical patent/DE464841C/en
Application granted granted Critical
Publication of DE464841C publication Critical patent/DE464841C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Description

Anlaßsteuerung für Brennkraftmaschinen, insbesondere für Fahrzeugmotoren Bei größeren Fahrzeugmotoren ist der übliche elektrische Anlasser nicht in der Lage, den Widerstand der Verdi2htung zu überwinden, so daß während des Anlassens die Verdichtung vermindert werden muß. Dies geschieht in der Regel in der Weise, daß die Steuerwelle des Motors von Hand verschoben wird und die Auspuffventile derart gesteuert werden, daß sie während eines Teiles des Verdichtungshubes offen bleiben. Bei Fahrzeugmotoren, die entfernt vom Führerstand angeordnet sind, und insbesondere bei Fahrzeugen mit mehreren Motoren, die gleichzeitig anzulassen sind, macht die mechanische Übertragung dieses Anlaßvorganges Schwierigkeiten.Starting control for internal combustion engines, in particular for vehicle engines With larger vehicle engines, the usual electric starter is not able to to overcome the resistance of the twisting, so that the compression must be reduced. This is usually done in such a way that the control shaft the engine is moved by hand and the exhaust valves are controlled in such a way that they remain open during part of the compression stroke. For vehicle engines, which are arranged remotely from the driver's cab, and especially in vehicles with several motors, which can be started at the same time, make the mechanical transmission this tempering process difficulties.

Die Erfindung vermeidet diesen Nachteil dadurch, daß die Steuerwelle auf elektropneumatischem Wege verschoben und nach erfolgter Verschiebung der Steuerwelle in ihre Endlage der elektrische Anlasser selbsttätig eingeschaltet wird.The invention avoids this disadvantage in that the control shaft Shifted by electro-pneumatic means and after the control shaft has been shifted the electric starter is switched on automatically in its end position.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung schematisch dargestellt. Die Steuerwelle a des Motors kann. mittels des Zahnstangentriebes b durch Drehen der Welle c verschoben werden. Auf der Wedle c sitzt ein Hebel d, der durch Verschieben des Kolbens e in dem Schaltzylinder f mittels Druckluft um den der Verschiebung der Steuerwelle entsprechenden Winkel verstellt wird. In der Endlage der Steuerwelle, nach erfolgter Verschiebung, drückt der Hebel d auf einen Druckknopf g und schaltet dadurch den Anlasser h ein, der mit seinem Ritzel i in das Schwungrad k des Motors eingreift. Nachdem die ersten Zündungen erfolgt sind, wird die Druckluft aus dem Schaltzylinder f wieder abgelassen, worauf die Steuerwelle a durch die Feder m in ihre Betriebsstellung zurückgezogen wird. Der Ein- und Austritt der Druckluft in den Schaltzylinder f wird mittels des Ventils n :elektrisch gesteuert.An exemplary embodiment of the invention is shown schematically in the drawing. The control shaft a of the motor can. be moved by turning the shaft c by means of the rack and pinion drive b. On the wedge c sits a lever d which is adjusted by moving the piston e in the shift cylinder f by means of compressed air by the angle corresponding to the displacement of the control shaft. In the end position of the control shaft, after the shift has taken place, the lever d presses a pushbutton g and thereby switches on the starter h , which engages with its pinion i in the flywheel k of the engine. After the first ignitions have taken place, the compressed air is released from the shift cylinder f again, whereupon the control shaft a is pulled back into its operating position by the spring m. The entry and exit of the compressed air in the switching cylinder f is controlled electrically by means of the valve n:.

Der Anlaßvorgang vollzieht sich in folgender Weise: Durch Druck auf dien im Führerstand des Fahrzeugs angeordneten Druckknopf o wird der Stromkreis einer Batterie p geschlossen, wodurch das Steuerventil n elektromagnetisch geöffnet wird. Infolgedessen kann Druckluft aus einem Behälter (nicht dargestellt) durch die Rohrleitungen g, r in den Schaltzylinder f gelangen, in dem sie den Kolben e auswärts schiebt und damit die Steuerwelle a des Motors verschiebt. Am Ende dieser Bewegung wird der Druckknopf g niedergedrückt und damit ein zweiter Batteriestromkreis geschlossen, wodurch der Anlasser h eingeschaltet und der Motor in Gang gesetzt wird. Nach den ersten Zündungen wird der Druckknopf o am Führerstand von Hand freigegeben, wodurch der erste Stromkreis unterbrochen und das Steuerventil n geschlossen wird, so daß die Druckluft von dem Schaltzylinder f abgeschaltet ist. Die im Schaltzylinder und in der Leitung r noch vorhandene Druckluft entweicht durch die Öffnung s des Steuerventils ins Freie. Die Feder m zieht die Steuerwelle in ihre Betriebsstellung zurück. Damit ist der Anlaßvorgang beendet, und' der Motor befindet sich ün normalen Gange.The starting process takes place in the following way: By pressure on The push button o located in the driver's cab of the vehicle controls the electrical circuit a battery p closed, whereby the control valve n opened electromagnetically will. As a result, compressed air from a container (not shown) can through the pipes g, r get into the switching cylinder f, in which they push the piston e pushes outwards and thus moves the control shaft a of the motor. At the end of this Movement, the push button g is depressed and thus a second battery circuit closed, whereby the starter h is switched on and the engine is started will. After the first ignitions, the push button o on the driver's cab is released by hand, whereby the first circuit is interrupted and the control valve n is closed, so that the compressed air is switched off from the switching cylinder f. The one in the shift cylinder and compressed air still present in the line r escapes through the opening s of the Control valve to the outside. The spring m pulls the control shaft into its operating position return. This completes the starting process and the engine is normal In progress.

Claims (1)

PATENTANSPRÜCHE: r. Anlaßsteuerungfür Brennkraftmaschinen, insbesondere für Fahrzeugmotoren, bei der zwecks Verminderung der Verdichtung während des Anlassens die Steuerwelle durch ein Druckmittel axial verschoben wird, dadurch gekennzeichnet, daß durch .einen bei Fahrzeugen zweckmäßig am Führerstand angeordneten Schalter (o) ein elektrischer Stromkreis geschlossen und dadurch ein Schaltorgan (n) derart gesteuert wird, daß das Druckmittel zur Einwirkung auf ein die Steuerwelle verschiebendes Organ (e) gelangt. a. Anlaßsteuerung nach Anspruch z, dadurch gekennzeichnet, daß bei Erreichung der Endlage der Steuerwelle ein. den Anlasser (g) einschaltender Stromkreis selbsttätig geschlossen wird.PATENT CLAIMS: r. Starting control for internal combustion engines, in particular for vehicle engines, for the purpose of reducing compression during starting the control shaft is axially displaced by a pressure medium, characterized in that that by .a switch conveniently located in the driver's cab in vehicles (O) an electrical circuit is closed and thereby a switching element (s) in this way it is controlled that the pressure medium to act on a sliding the control shaft Organ (s) arrives. a. Starting control according to claim z, characterized in that when the end position of the control shaft is reached. turning on the starter (g) Circuit is closed automatically.
DED54268D Starting control for internal combustion engines, especially for vehicle engines Expired DE464841C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED54268D DE464841C (en) Starting control for internal combustion engines, especially for vehicle engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED54268D DE464841C (en) Starting control for internal combustion engines, especially for vehicle engines

Publications (1)

Publication Number Publication Date
DE464841C true DE464841C (en) 1928-09-29

Family

ID=7055623

Family Applications (1)

Application Number Title Priority Date Filing Date
DED54268D Expired DE464841C (en) Starting control for internal combustion engines, especially for vehicle engines

Country Status (1)

Country Link
DE (1) DE464841C (en)

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