DE842425C - Control device for two-stroke internal combustion engines operating with overloading using one or more slides that slide on the cylinder wall and are adjusted by the connecting rod deflection - Google Patents

Control device for two-stroke internal combustion engines operating with overloading using one or more slides that slide on the cylinder wall and are adjusted by the connecting rod deflection

Info

Publication number
DE842425C
DE842425C DEP2791A DE0002791A DE842425C DE 842425 C DE842425 C DE 842425C DE P2791 A DEP2791 A DE P2791A DE 0002791 A DE0002791 A DE 0002791A DE 842425 C DE842425 C DE 842425C
Authority
DE
Germany
Prior art keywords
connecting rod
slide
piston
slides
adjusted
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
DEP2791A
Other languages
German (de)
Inventor
Siegfried Paul
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 DEP2791A priority Critical patent/DE842425C/en
Application granted granted Critical
Publication of DE842425C publication Critical patent/DE842425C/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2700/00—Measures relating to the combustion process without indication of the kind of fuel or with more than one fuel
    • F02B2700/03—Two stroke engines
    • F02B2700/037—Scavenging or charging channels or openings

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Transmission Devices (AREA)

Description

nlit der üblichen Schlitzsteuerung der Einkolbenzweitaktbrennkraftmaschinen ist nur ein Gasw-echsel mit symmetrischem Steuerdiagramm mög= dich, wodurch ein Aufladen des Zylinders und damit eine entsprechende Leistungssteigerung des Motors ausgeschlossen sind.With the usual slot control of single-piston two-stroke internal combustion engines only a gas exchange with a symmetrical control diagram is possible, whereby a Charging the cylinder and thus a corresponding increase in engine performance excluded are.

Um nun auch beim Zweitakter mit Schlitzsteuerung ein unsymmetrisches Steuerdiagramm zu erhalten, ist man seit einiger Zeit dazu übergegangen, Doppelkolbenmotoren oder sog. U-Motoren zu` bauen, bei denen zwei Gegenkolben in einem Zylinder bzw. in zwei parallelen Zylindern mit gemeinsamem Verbrennungsraum laufen, wovon der eine die Einlaß- und der zweite dieAuslaßschlitze steuert, indem sie durch versetzte Kröpfungen ,der Kurbelwelle einander nachlaufen.In order to get an asymmetrical one for the two-stroke with slot control To obtain control diagram, there has been a move towards double piston engines for some time or so-called U-engines, in which two opposed pistons in a cylinder or run in two parallel cylinders with a common combustion chamber, of which the one controls the inlet and the second controls the outlet slots by offsetting them Throws, the crankshaft running after each other.

Es sind auch schon Steuereinrichtungen vorgeschlagen worden, bei denen ein an der Zylinderwand gleitender Schieber durch den Pleuelstangenausschlag verstellt wird. Erfindungsgemäß wird nun das unsymmetrische Steuerdiagramm dadurch erreicht, daß ein oder mehrere Schieber außerhalb der Kolbenringe des Arbeitskolbens vorgesehen sind und'durch` im Kolbenboden geführte Stößel angetrieben werden, die am einwärts gelegenen Ende beispielsweise die Form einer Zahnstange ' aufweisen, in die ein entsprechendes Zahnradsegment am kolbenseitigen Pleuelstangenauge eingreift.Control devices have also been proposed in which a slide sliding on the cylinder wall adjusted by the connecting rod deflection will. According to the invention, the asymmetrical control diagram is now achieved by that one or more slides are provided outside the piston rings of the working piston are and are driven 'by' the tappets guided in the piston crown, which are inwardly Located end, for example, have the shape of a rack 'into which a corresponding gear segment engages on the piston-side connecting rod eye.

Der Gegenstand der Erfindung ist in der Zeichnung beispielsweise dargestellt. Es zeigt . Abb. i die Schieberstellung in der oberen Totpunktlage des Arbeitskolbens und Abb. 2 die Schieberstellung in der Arbeitskolbenlage kurz vor dem unteren Totpunkt.The object of the invention is shown in the drawing, for example. It shows . Fig. I the slide position in the top dead center position of the working piston and Fig. 2 the slide position in the working piston position shortly before bottom dead center.

Ein oder mehrere außerhalb der Kolbenringe i des Kolbens 2 verschiebhar angeordnete, an der Zylinder-,vand,.3 anliegende und in den. Ve,r4enntingsräuiri ragende Schieber 4 Ulla,-5 wcrdetf dti''rch die.Tepdelbewegung der Pleuelstange 6 wechselseitig verstellt, indem die Schieber 4 und 5 durch im Kflibenböden gefühlte' Stößel 7 und 8 angetrieben werden, die-am einwärts gelegenen Ende beispielsweise als Zahnstangen 9 und io ausgebildet sind, in die`entßprechende Zahnradsegmente ii und 12 am kolberfseitigen Pleuelstangenauge eingreifen, so daß während des Abwärtshubes des Kolbens der Auslaßschieber 5 dem Kolben 2 vor- und der Einlaßschieber 4 nacheilt (s. Abb. 2).One or more outside of the piston rings i of the piston 2, arranged displaceably, on the cylinder, wall, .3, and in the. Ve, r4enntingsräuiri protruding slide 4 Ulla, -5 wcrdetf dti''rch die.Tepdelbewegung of the connecting rod 6 alternately adjusted in that the slide 4 and 5 are driven by tappets 7 and 8 that are felt in the bottom of the valve, which - at the inward end, for example as Racks 9 and io are formed, in which the corresponding gear segments ii and 12 engage on the connecting rod eye on the piston side, so that during the downward stroke of the piston the outlet slide 5 leads the piston 2 and the inlet slide 4 lags behind (see Fig. 2).

Schon mit einem Schieber wird ein dem Doppelkolben- oder U-Motor völlig gleichwertiges unsymmetrisches Steuerdiagramm erreicht.A double-piston or U-engine becomes complete with just one slide equivalent unbalanced control diagram achieved.

Claims (1)

PATENTANSPRUCH: Steuereinrichtung für mit Überladung arbeitende Zweitaktbrennkraftmaschinen unter Verwetidäng einesoder mehrerer durch den Pleuelstangenausschlag verstellter, an der Zylinderwand gleitender Schieber, dadurch gekennzeichnet, daß der oder die .Schieber außerhalh:der.. Kolbenringe des Arbeitskolbens vorgesehen sind und durch im Kolbenboden geführte Stößel angetrieben werden;--- die am einwärts gelegenen Ende beispielsweise die Form einer Zahnstange aufweisen, in die ein entsprechendes Zahnradsegnient atn. kolbenseitigen Pleuelstangenaugeeingreift. '-Angezogene Druckschriften: -Deutsche Patentschriften Nr. 662 365, 6o8 2o9. PATENT CLAIM: Control device for two-stroke internal combustion engines working with overload using one or more slides that slide on the cylinder wall and are adjusted by the connecting rod deflection, characterized in that the slider or sliders are provided outside: the piston rings of the working piston and are driven by tappets guided in the piston head ; --- which have, for example, the shape of a toothed rack at the inward end, in which a corresponding toothed wheel is inserted. piston-side connecting rod eye engaged. - Referred publications: - German patent specifications No. 662 365, 6o8 2o9.
DEP2791A 1950-07-13 1950-07-13 Control device for two-stroke internal combustion engines operating with overloading using one or more slides that slide on the cylinder wall and are adjusted by the connecting rod deflection Expired DE842425C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEP2791A DE842425C (en) 1950-07-13 1950-07-13 Control device for two-stroke internal combustion engines operating with overloading using one or more slides that slide on the cylinder wall and are adjusted by the connecting rod deflection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP2791A DE842425C (en) 1950-07-13 1950-07-13 Control device for two-stroke internal combustion engines operating with overloading using one or more slides that slide on the cylinder wall and are adjusted by the connecting rod deflection

Publications (1)

Publication Number Publication Date
DE842425C true DE842425C (en) 1952-06-26

Family

ID=5647811

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP2791A Expired DE842425C (en) 1950-07-13 1950-07-13 Control device for two-stroke internal combustion engines operating with overloading using one or more slides that slide on the cylinder wall and are adjusted by the connecting rod deflection

Country Status (1)

Country Link
DE (1) DE842425C (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE608209C (en) * 1930-03-07 1935-01-18 Anonima Ingo Soc Control for two-stroke internal combustion engines
DE662365C (en) * 1936-04-18 1938-07-11 Heinz Doerpmund Control for two-stroke engines

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE608209C (en) * 1930-03-07 1935-01-18 Anonima Ingo Soc Control for two-stroke internal combustion engines
DE662365C (en) * 1936-04-18 1938-07-11 Heinz Doerpmund Control for two-stroke engines

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