CH97710A - Hot-head engine with an ignition chamber connected to the cylinder by a narrow neck. - Google Patents
Hot-head engine with an ignition chamber connected to the cylinder by a narrow neck.Info
- Publication number
- CH97710A CH97710A CH97710DA CH97710A CH 97710 A CH97710 A CH 97710A CH 97710D A CH97710D A CH 97710DA CH 97710 A CH97710 A CH 97710A
- Authority
- CH
- Switzerland
- Prior art keywords
- ignition chamber
- cylinder
- hot
- narrow neck
- chamber connected
- Prior art date
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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/02—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 of valveless type
-
- 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
- F02B9/00—Engines characterised by other types of ignition
-
- 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
- F02B9/00—Engines characterised by other types of ignition
- F02B9/06—Engines characterised by other types of ignition with non-timed positive ignition, e.g. with hot-spots
- F02B9/08—Engines characterised by other types of ignition with non-timed positive ignition, e.g. with hot-spots with incandescent chambers
- F02B9/10—Chamber shapes or constructions
-
- 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
- F02B2720/00—Engines with liquid fuel
- F02B2720/27—Air compressing engines with hot-bulb ignition
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
- Exhaust Silencers (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
Glühkopfmotor mit durch einen engen Hals mit dem Zylinder verbundener Zündkammer. Verbrennuncskraftmaschinen ergeben un ter sonst gleichen Verhältnissen bei höherer Verdichtung eine grössere Leistung und ge ringeren Brennstoffverbrauch. Die Verdich tung lässt sieh steigera, wenn man dem Ver dichtungsraum, eine kleinere innere Wand fläche gibt.
Dies beruht darauf, dass #die Wan dung des Verdiehtungsraumes trotz der äu sseren Wasserkühlung eine ziemlich erlieb- liche Wärmemenge aufspeichert und an die sie berührende Schicht des brennbaren Brenn- stoffgas-Luftgemisches abgibt.
Je grösser nun #die Innenfläche der Wandung des Ver- diclitungsraumes ist, desto mehr Wärme wird auf das brennbare Gemisch übertraggen. Bei örtlich stark erhitztem Gasgeinisch kann aber die Kompression nicht so hoch getrieben wer den, wie bei weniger stark erhitztem Gemisch, weil im ersteren Falle die Selbstentzündung <I>des Gemisches</I> bereits bei niedrigerem Druck ZD eintritt.
CT1ü711kopfmotoren sind zweckmässig der art eingerichtet, dass ihre Zündkammer mit dem Zylinder durch einen engen Hals ver- bunden ist. Dadurch erhält der Verdichtungs raum naturgemäss eine sehr grosse innere WandflIche. Damit die Erwärmung des brennbaren Gemisches durch die berührende Wand klein ist, besteht gemäss der Erfindung der gekühlte Teil der Wandung der Zünd- kammer"desVerbindungslialses undder übrige Verdielitungsraum aus einem gut wärme leitenden Material, das ein höheres Leitungs vermögen besitzt als das bisher verwandte Gusseisen,
beispielsweise Aluminium. Da durch wird erreicht, dass mehr Wärme von der Innenfläche des Verdielitungsraumes ab geleitet wird und damit das Gasgemisch in der Nähe der Wandungsfläche kälter bleibt, so #class die Kompression höher getrieben wer den kann, ohne dass Selbstentzünduno, eintritt.
Die Zeichnung zeigt ein Ausführunggs- beispiel des Erfindungsgegenstandes. Die Zündkammer a ist oben neben dem Z3,linder <B>b</B> angeordnet und mit -diesem durch einen en gen Hals c verbunden. Die Glühplatte<B>d</B> ist von unten in die Zündkammer eingesetzt.
Die W-andung e der Zündkammer einschliesslich des Halses, die von aussen unter clem Einfluss des Kühlmittels steht, ist ebenso wie die des übrio#en Verdielitungsraumes aus einem g1,111 21 tD %vä.rmele#.tendeii Mittel, z. B. Aluminium, hergestellt.
Hot-head engine with an ignition chamber connected to the cylinder by a narrow neck. Combustion engines, under otherwise the same conditions, produce greater power and lower fuel consumption with higher compression. The compression can be seen to increase if the compression space is given a smaller inner wall area.
This is based on the fact that # the wall of the compression space stores a fairly acceptable amount of heat despite the external water cooling and transfers it to the layer of the combustible fuel gas-air mixture in contact with it.
The larger the inner surface of the wall of the compression space is, the more heat is transferred to the combustible mixture. In the case of locally strongly heated gas mixture, however, the compression cannot be driven as high as in the case of a less strongly heated mixture, because in the former case self-ignition <I> of the mixture </I> already occurs at a lower pressure ZD.
CT1ü711 head motors are expediently set up in such a way that their ignition chamber is connected to the cylinder by a narrow neck. This naturally gives the compression space a very large internal wall area. According to the invention, the cooled part of the wall of the ignition chamber "desVerbindungsliales" and the rest of the conduit space are made of a material that conducts heat well, which has a higher conductivity than the cast iron used up to now,
for example aluminum. This ensures that more heat is conducted away from the inner surface of the distribution space and thus the gas mixture in the vicinity of the wall surface remains colder, so #class the compression can be driven higher without spontaneous ignition occurring.
The drawing shows an exemplary embodiment of the subject matter of the invention. The ignition chamber a is arranged at the top next to the Z3, linder <B> b </B> and connected to it by a narrow neck c. The glow plate <B> d </B> is inserted into the ignition chamber from below.
The wall of the ignition chamber including the neck, which is under the influence of the coolant from the outside, is just like that of the rest of the conduit space from a g1,111 21 tD% vä.rmele # .tendeii means, e.g. B. aluminum.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE534145X | 1920-04-15 | ||
DE534144X | 1920-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH97710A true CH97710A (en) | 1923-02-01 |
Family
ID=25945260
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH97710D CH97710A (en) | 1920-04-15 | 1921-03-10 | Hot-head engine with an ignition chamber connected to the cylinder by a narrow neck. |
CH97939D CH97939A (en) | 1920-04-15 | 1921-03-10 | Device on heavy oil engines, which aims at a stable gear with low loads and idling. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH97939D CH97939A (en) | 1920-04-15 | 1921-03-10 | Device on heavy oil engines, which aims at a stable gear with low loads and idling. |
Country Status (4)
Country | Link |
---|---|
AT (2) | AT93111B (en) |
CH (2) | CH97710A (en) |
FR (2) | FR534144A (en) |
GB (1) | GB161938A (en) |
-
1921
- 1921-03-10 CH CH97710D patent/CH97710A/en unknown
- 1921-03-10 CH CH97939D patent/CH97939A/en unknown
- 1921-03-21 GB GB8694/21A patent/GB161938A/en not_active Expired
- 1921-03-22 AT AT93111D patent/AT93111B/en active
- 1921-03-22 AT AT93416D patent/AT93416B/en active
- 1921-04-14 FR FR534144D patent/FR534144A/en not_active Expired
- 1921-04-14 FR FR534145D patent/FR534145A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB161938A (en) | 1922-04-13 |
AT93416B (en) | 1923-07-10 |
CH97939A (en) | 1923-02-16 |
FR534145A (en) | 1922-03-18 |
FR534144A (en) | 1922-03-18 |
AT93111B (en) | 1923-06-11 |
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