AT78632B - Spark plug. - Google Patents

Spark plug.

Info

Publication number
AT78632B
AT78632B AT78632DA AT78632B AT 78632 B AT78632 B AT 78632B AT 78632D A AT78632D A AT 78632DA AT 78632 B AT78632 B AT 78632B
Authority
AT
Austria
Prior art keywords
spark plug
central pin
candle
spark
desc
Prior art date
Application number
Other languages
German (de)
Original Assignee
Daimler Motoren
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 Daimler Motoren filed Critical Daimler Motoren
Application granted granted Critical
Publication of AT78632B publication Critical patent/AT78632B/en

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  • Spark Plugs (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Zündkerze. 



   Es ist üblich, bei Zündkerzen den Zentralstift, der gegen die Masse des Zylinders zu isolieren ist, mit Ausnahme derjenigen Stelle, an der die Funkenbildung vor sich geht, aus einem gewöhnlichen Stahlmaterial herzustellen. Dabei liegt dieser Zentralstift zum Teil in dem Zündraum der Zündkerze, so dass bei den Explosionen im Zylinder dieser Teil des Zentralstiftes hoch erhitzt wird, und infolge des bei der Explosion vorhandenen Sauerstoffes tritt das bekannte Zundern des Zentralstiftes ein.

   Dieses Zundern äussert sich bei dem bisher für die Zentralstifte zur Anwendung kommenden Stahlmaterial in der Weise, dass   vom Zentralstift verhi1tnism ssig groBe Plättchen   abspringen, die sich   im Znnd-   raum der Kerze verteilen, hier an   den ! verbrennenden Öl   festkleben und so infolge zunehmender Anhäufung schnell einen Schluss in der Kerze herbeiführen und die Funken- bildung vernichten. 



   Die vorliegende Erfindung vermeidet diese durch das   Zandern   hervorgebrachten Störungen und Nachteile der Zündkerze dadurch, dass mindestens jener Teil des Zentralstiftes, der mit dem verbrennenden Gemisch in Berührung kommt, aus Schnelldrehstahl besteht, welcher nur schwer zundert und dessen geringes Zündern nicht im Abspringen verhältnismässig grosser Schuppen besteht, sondern nur in der Bildung pulverförmiger Teilchen, die einesteils wegen ihrer geringen Menge und andererseits dadurch, dass sie gleich nach ihrer Loslösung aus der Kerze herausgeblasen werden, mit dem Öl wesentliche und störende Anhäufungen und somit auch Schluss in der Kerze nicht hervorrufen. 

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



   <Desc / Clms Page number 1>
 



  Spark plug.



   It is common in spark plugs to manufacture the central pin, which is to be insulated from the mass of the cylinder, with the exception of the point at which the spark formation takes place, from an ordinary steel material. This central pin lies partly in the ignition chamber of the spark plug, so that this part of the central pin is heated up during the explosions in the cylinder, and the known scaling of the central pin occurs as a result of the oxygen present in the explosion.

   This scaling is expressed in the steel material previously used for the central pins in such a way that relatively large platelets jump off the central pin and are distributed in the ignition chamber of the candle, here on the! The burning oil stick to it and, as a result of increasing accumulation, quickly seal the candle and destroy the spark formation.



   The present invention avoids these problems and disadvantages of the spark plug caused by zandering in that at least that part of the central pin that comes into contact with the burning mixture is made of high-speed steel, which is difficult to scale and whose slight ignition does not result in relatively large scales jumping off exists, but only in the formation of powdery particles, which partly because of their small amount and partly because they are blown out of the candle immediately after they have been detached, do not cause significant and disruptive accumulations with the oil and thus also do not cause dead ends in the candle.

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

 

Claims (1)

PATENT-ANSPRUCH : Zündkerze, dadurch gekennzeichnet, dass mindestens jener Teil des Mittelstifte welcher mit dem verbrennenden Gemisch in Berührung kommt, aus Schnelldrehstahl besteht. **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. PATENT CLAIM: Spark plug, characterized in that at least that part of the center pin which comes into contact with the burning mixture consists of high-speed steel. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT78632D 1914-07-06 1915-06-30 Spark plug. AT78632B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE78632X 1914-07-06

Publications (1)

Publication Number Publication Date
AT78632B true AT78632B (en) 1919-10-10

Family

ID=5638298

Family Applications (1)

Application Number Title Priority Date Filing Date
AT78632D AT78632B (en) 1914-07-06 1915-06-30 Spark plug.

Country Status (1)

Country Link
AT (1) AT78632B (en)

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