DE2323056C2 - Two-stroke U-cylinder internal combustion engine with a pinch cylinder head and a transition channel between the two cylinders - Google Patents

Two-stroke U-cylinder internal combustion engine with a pinch cylinder head and a transition channel between the two cylinders

Info

Publication number
DE2323056C2
DE2323056C2 DE2323056A DE2323056A DE2323056C2 DE 2323056 C2 DE2323056 C2 DE 2323056C2 DE 2323056 A DE2323056 A DE 2323056A DE 2323056 A DE2323056 A DE 2323056A DE 2323056 C2 DE2323056 C2 DE 2323056C2
Authority
DE
Germany
Prior art keywords
cylinder
transition channel
combustion
internal combustion
combustion engine
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
DE2323056A
Other languages
German (de)
Other versions
DE2323056B1 (en
Inventor
Karl 5220 Waldbroel Hollerung
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 DE2323056A priority Critical patent/DE2323056C2/en
Publication of DE2323056B1 publication Critical patent/DE2323056B1/en
Application granted granted Critical
Publication of DE2323056C2 publication Critical patent/DE2323056C2/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
    • F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
    • F02B25/12—Engines with U-shaped cylinders, having ports in each arm
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Description

engen. Durch diese Verengung wird erreicht, daß dastight. Through this narrowing it is achieved that the

überströmende Gas kurzzeitig gestaut wird, wodurch mehr Frischgas in den Brennraum zur dorugen Aus-the overflowing gas is temporarily accumulated, whereby more fresh gas in the combustion chamber for dorugen exhaust

Die Erfindung betrifft eine Zweitakt-U-Zylinder- ao spülung gelangt. Außerdem bewirkt die Verengung Brennkraftmaschine mit Quetschzylinderkopf und eine Lenkung des durchströmenden Gasstrahls in den Brennraummulde im Bereich des Ubergangkanals sonst schlecht durchspülten Teil des Auslaßzylinders zwischen den beiden Zylindern, wobei der Übergang- unterhalb der Quetschkante.The invention relates to a two-stroke U-cylinder ao flushing arrives. It also causes the narrowing Internal combustion engine with a squeeze cylinder head and a steering of the gas jet flowing through into the Combustion bowl in the area of the transition channel, otherwise poorly flushed part of the exhaust cylinder between the two cylinders, with the transition below the pinch edge.

kanal durch eine Ausnehmung in der Zylinderwand Ein Ausführungsbeispiel der Erfindung ist in denchannel through a recess in the cylinder wall. An embodiment of the invention is in the

gebildet ist. 25 Schemazeichnungen dargestelltis formed. 25 schematic drawings are shown

Es ist bekannt, daß Quetschkanien im Zylinder- F i g. 1 zeigt eine Zweitakt-U-Zylinder-Brennkraft-It is known that pinch channels in the cylinder F i g. 1 shows a two-stroke U-cylinder internal combustion

kopf eines Verbrennungsmotors den Wirkungsgrad maschine mit Quetschzylinderkopf (1) und Übergangverbessern und die Verbrennung sauberer ablaufen kanal (2) in der Trennwand (3) zwischen beiden Zylassen. Bei Doppelkolben-Zweitaktern ist dieses Prin- lindern. Der Steg (4) läßt erkennen, daß der Überzip nur anwendbai, wenn die Wand zwischen beiden 30 gangkanal (2) zum Brennraum (5) hin abgeschlossen Zylindern im Bereich des oberen Totpunkts der KoI- ist.head of an internal combustion engine to improve the efficiency of the machine with a squeeze cylinder head (1) and transition and the combustion run off cleaner channel (2) in the partition (3) between the two Zylassen. In the case of twin-piston two-stroke engines, this is Prin- reliever. The web (4) shows that the over zip only applicable if the wall between the two 30 passage duct (2) to the combustion chamber (5) is closed Cylinders in the area of the top dead center of the KoI- is.

ben geöffnet wird,da sonst d^rBrennraum wegen der Fig. la zeigt die Anordnung des Übergangkanalsben is opened, otherwise the combustion chamber because of Fig. la shows the arrangement of the transition duct

Durchspülung gestreckt sein iauß, vas lange Brenn- (2) von der Zylinderkopfseite,
wege ergibt. Fig. 2 hebt hervor, daß, als Variante, der Ein-Flushing stretched out, vas long combustion (2) from the cylinder head side,
ways results. Fig. 2 emphasizes that, as a variant, the input

Zwar gibt es Aussparungen in dieser Trennwand, 35 schnitt des Übergangkanals (2) vom Überströmzylindie das bessere Überströmen der Frischgase vom der (6) zum Auslaßzylinder (7) hin enger wird.Although there are recesses in this partition, 35 cut the transition channel (2) from the overflow cylinder the better flow of fresh gases from the (6) to the outlet cylinder (7) becomes tighter.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

π ηπ η

Claims (2)

Überström- zum Auslaßzylinder zum Ziel habenHave overflow to the exhaust cylinder as a goal Patentansprüche: (schweizerische Patentschrift 198492), Diese Form-Patent claims: (Swiss patent specification 198492), This form ( gebung erzielt zwar Quetschkanten im Zylinderkopf ( environment achieves squishy edges in the cylinder head 1, Zweitakt-U-Zylinder-Brennkraftmasch'me — günstig für kräftige Verwirbelung der Frischgase mit Quetscbzylinderkopf und Brennraummulde 5 vor der Verbrennung — aber die Aussparung zerim Bereich des Übergangskanals zwischen den klwftet andererseits den Brennraum, was wegen der beiden Zylindern, wobei der Übergangskanai längeren Brennwege ungünstig ist,1, two-stroke U-cylinder internal combustion engine - favorable for strong swirling of the fresh gases with squeeze cylinder head and combustion bowl 5 before combustion - but the recess zim Area of the transition channel between the clefts on the other hand, the combustion chamber, which is because of the both cylinders, whereby the transition channel for longer combustion paths is unfavorable, durch eine Ausnehmung in der Zylindertrenn- Aufgabe der Erfindung ist es, eine Zerklüftung desby a recess in the cylinder separating object of the invention is to create a fissure of the wand gebildet ist, dadurch gekennzeich- Brennrauras zu vermeiden. Zur Lösung dieser Aufnet, daß der Übergangskanal (2) brennraum- io gäbe ist erfindungsgemäß vorgeschlagen, daß der seitig durch einen Steg (4) abgeschlossen ist Übergangskanal brennraumseitig durch einen Stegwall is formed, thereby marked to avoid Brennrauras. To solve this problem, that the transition channel (2) would be combustion chamber io is proposed according to the invention that the The transition channel is closed on the side by a web (4) on the combustion chamber side by a web 2. Brennkraftmaschine nach Anspruch 1, da- abgeschlossen ist. Durch diese Ausgestaltung wird durch gekennzeichnet, daß der Übergangskanal der Vorteil erreicht, daß der Brennraum nicht zer-(2) sich zum Auslaßzylinder (7) hin verengt k'.üftet ist, wodurch die Brennwege kurz bleiben.2. Internal combustion engine according to claim 1, that is completed. This configuration is characterized in that the transition channel has the advantage that the combustion chamber does not destroy (2) is narrowed towards the outlet cylinder (7) k'.ventilated, whereby the combustion paths remain short. 15 Bine zweckmäßige Weiterausbildung besteht darin, den Übergangskanal zum Auslaßzylinder hin zu ver-15 A useful further training consists in connecting the transition channel to the outlet cylinder.
DE2323056A 1973-05-08 1973-05-08 Two-stroke U-cylinder internal combustion engine with a pinch cylinder head and a transition channel between the two cylinders Expired DE2323056C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2323056A DE2323056C2 (en) 1973-05-08 1973-05-08 Two-stroke U-cylinder internal combustion engine with a pinch cylinder head and a transition channel between the two cylinders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2323056A DE2323056C2 (en) 1973-05-08 1973-05-08 Two-stroke U-cylinder internal combustion engine with a pinch cylinder head and a transition channel between the two cylinders

Publications (2)

Publication Number Publication Date
DE2323056B1 DE2323056B1 (en) 1974-05-09
DE2323056C2 true DE2323056C2 (en) 1974-12-12

Family

ID=5880247

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2323056A Expired DE2323056C2 (en) 1973-05-08 1973-05-08 Two-stroke U-cylinder internal combustion engine with a pinch cylinder head and a transition channel between the two cylinders

Country Status (1)

Country Link
DE (1) DE2323056C2 (en)

Also Published As

Publication number Publication date
DE2323056B1 (en) 1974-05-09

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Legal Events

Date Code Title Description
B1 Publication of the examined application without previous publication of unexamined application
C2 Grant after previous publication (2nd publication)