AT69738B - Ignition device for internal combustion engines. - Google Patents

Ignition device for internal combustion engines.

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Publication number
AT69738B
AT69738B AT69738DA AT69738B AT 69738 B AT69738 B AT 69738B AT 69738D A AT69738D A AT 69738DA AT 69738 B AT69738 B AT 69738B
Authority
AT
Austria
Prior art keywords
internal combustion
ignition device
combustion engines
ignition
metallic
Prior art date
Application number
Other languages
German (de)
Original Assignee
Pohl & Soehne Fa E
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 Pohl & Soehne Fa E filed Critical Pohl & Soehne Fa E
Application granted granted Critical
Publication of AT69738B publication Critical patent/AT69738B/en

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  • Ignition Installations For Internal Combustion Engines (AREA)

Description

  

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  Zündvorrichtung für Verbrennungskraftmaschinen. 



   Bei   Zündvorrichtungen,   bei denen ein ständig im Verbrennungsraum verbleibender und durch die Verbrennungswärme erhitzter Zündkörper die Zündung bewirkt, kommt es darauf an, die Temperatur des   Zündkörpers   trotz wechselnder Belastung auf der günstigen Höhe zu halten, weil zu hohe Temperaturen des   Zündkörpers     Frühzündungen   und stark rauchende. kraftlose Explosionen ergeben, wogegen bei zu niedriger Temperatur des   Zundkörpers   die Explosionen ausbleiben.

   Die zur Regelung der Erhitzung des   Zündkörpers   vorgeschlagene   Wasser-   einspritzung ist einerseits mit einem   gewissen Kraftverlust verbunden   und fordert andererseits bei   Belastungsänderungen   eine   jedesmalige Neueinstellung,   so dass die Wartung der Maschine umständlich wird. 



   Die Erfindung betrifft nun eine Glühzündvorrichtung. bei der diese Nachteile vollkommen beseitigt sind. Der Erfindungsgegenstand ist dadurch gekennzeichnet, dass der aus einem schlecht   wärmeleitenden. feuerbeständigen, nichtmetallischen Stoff bestehende Zündkörper mit einem   gekühlten Metallteil in   Berührung   steht. Durch geeignete Bemessung des als Wärmespeicher dienenden   nichtmetallischen Zündkörpers und des zur   Ableitung der   überschüssigen Wärme   dienenden metallischen Trägers kann erzielt werden, dass der Zündkörper ohne besondere Kühlung von den   Belastungsänderungen unabhängig stets   die günstige Temperatur beibehält. 



   In Fig. 1 und 2 der Zeichnung sind zwei   Ausführungsbeispiele   des Erfindungsgegenstandes im Längsschnitt dargestellt. 



   In Fig. 1 ist a der obere Teil des Verbrennungsraumes, b ist der Kolben, c der Verdichtungsraum und e dessen Deckel. h ist der aus schlecht wärmeleitendem. nicht metallischem, feuerbeständigem Stoffe. z. B. Schamotte, bestehende Zündstift. der in der   ab-Träger   dienenden,   aus gutem Wärmeleiter,   z. B. Kupfer, angefertigten Hülse g gefasst ist. Die Hülse   9   ist durch Deckel c geführt und steht ausserhalb des Zylinders mit der ihn   umgebenden Aussenluft in Berührung.   
 EMI1.1 
 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



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  Ignition device for internal combustion engines.



   In ignition devices, in which an ignition element that remains constantly in the combustion chamber and is heated by the heat of combustion causes the ignition, it is important to keep the temperature of the ignition element at a favorable level despite the changing load, because excessively high ignition element temperatures cause premature ignition and heavy smoking. Powerless explosions result, whereas if the igniter body temperature is too low, the explosions do not occur.

   The water injection proposed to regulate the heating of the igniter is on the one hand associated with a certain loss of power and on the other hand requires readjustment every time the load changes, so that the maintenance of the machine becomes cumbersome.



   The invention now relates to a glow ignition device. in which these disadvantages are completely eliminated. The subject matter of the invention is characterized in that it consists of a poorly thermally conductive. fire-resistant, non-metallic substance is in contact with a cooled metal part. By suitably dimensioning the non-metallic igniter serving as a heat storage device and the metallic carrier serving to dissipate the excess heat, it can be achieved that the igniter body always maintains the favorable temperature regardless of the load changes without special cooling.



   In Fig. 1 and 2 of the drawing, two embodiments of the subject invention are shown in longitudinal section.



   In Fig. 1, a is the upper part of the combustion chamber, b is the piston, c is the compression chamber and e is its cover. h is made of poor thermal conductivity. non-metallic, fire-resistant materials. z. B. chamotte, existing firing pin. serving in the ab-carrier, made of good heat conductors, e.g. B. copper, made sleeve g is taken. The sleeve 9 is passed through cover c and is outside the cylinder in contact with the outside air surrounding it.
 EMI1.1
 

** WARNING ** End of DESC field may overlap beginning of CLMS **.

 

Claims (1)

**WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT69738D 1913-02-27 1913-02-27 Ignition device for internal combustion engines. AT69738B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT69738T 1913-02-27

Publications (1)

Publication Number Publication Date
AT69738B true AT69738B (en) 1915-08-25

Family

ID=3591558

Family Applications (1)

Application Number Title Priority Date Filing Date
AT69738D AT69738B (en) 1913-02-27 1913-02-27 Ignition device for internal combustion engines.

Country Status (1)

Country Link
AT (1) AT69738B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106232A1 (en) * 1982-10-13 1984-04-25 Robert Bosch Gmbh Heater plug for internal-combustion engines with external ignition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106232A1 (en) * 1982-10-13 1984-04-25 Robert Bosch Gmbh Heater plug for internal-combustion engines with external ignition

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