CH226749A - Cleaners for spark plugs. - Google Patents
Cleaners for spark plugs.Info
- Publication number
- CH226749A CH226749A CH226749DA CH226749A CH 226749 A CH226749 A CH 226749A CH 226749D A CH226749D A CH 226749DA CH 226749 A CH226749 A CH 226749A
- Authority
- CH
- Switzerland
- Prior art keywords
- camphor
- cleaning agent
- acetone
- amyl acetate
- agent according
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/50—Solvents
- C11D7/5004—Organic solvents
- C11D7/5018—Halogenated solvents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/24—Hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/264—Aldehydes; Ketones; Acetals or ketals
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/266—Esters or carbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/28—Organic compounds containing halogen
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Spark Plugs (AREA)
- Detergent Compositions (AREA)
Description
Reinigungsmittel für Zündkerzen. Zündkerzen setzen bekanntlich während des Gebrauches einen Belag auf dem untern Teil des Isolators, ,dem sogenannten Isolator- fuss, und den Elektroden an. Dieser bei Temperaturen zwischen etwa 700 und 1200 C sich bildende Belag besteht neben ,Ölkohle vor allem auch aus Metalloxyden.
Überschreitet die von ihm bedeckte Fläche auf dem Isolator eine bestimmte Grösse, so entstehen dadurch Störungen im Betrieb der Zündkerze, indem kein regelmässiger Fun kenüberschlag zwischen Mittel- und Masse elektrode mehr stattfindet.
Der Strom sucht sich dann den bequemeren Weg von der Mittelelektrode über den Belag zum Kerzen gehäuse und damit zu der mit -dem Kerzen- gehguse leitend verbundenen Masseelektrode. Solche verschmutzten Zündkerzen wurden bisher als unbrauchbar weggeworfen und muss.ten stets durch neue ersetzt werden.
Es .sind zwar zum Entfernen der an den innern Teilen von Verbrennungsmotoren, ausserhalb der Zündkerze, im Lauf ihres Be triebes sich bildenden Rückstände, welche infolge dort herrschenden niederen Ent- stehungstemperaturen (etwa 150 bis 850 C) im wesentlichen nur aus Ölkohle allein be stehen, bereits gewisse Reini,g-ungsmittel im Gebrauch.
Sie bestehen entweder in fester Form, beispielsweise aus Zinkpulver, Paraffin, Stearin und Naphthalin, oder in flüssiger Form aus Benzol, Holzgeist, Azeton, Kohlenstofftetrachlorid bezw. an dern diesen Lösungsmitteln gleichwertigen Stoffen. Mit diesen bekannten Mitteln ge lingt es jedoch nicht, den, wie oben er wähnt, zusätzlich zur Ölkohle noch aus Metaflogyden gebildeten Belag auf den Zündkerzenisolatoren zu entfernen.
Die Erfindung bezieht sich nun auf ein Reinigungsmittel, durch dessen Anwendung gebrauchte und verschmutzte Zündkerzen von dem erwähnten leistenden Belag befreit und darnach wieder im Motor verwendet werden können.
Dieses Reinigungsmittel besteht aus einer Mischung, welche folgende - Stoffe enthält: Kampfer, einen chlorierten aliphatischen Kohlenwasserstoff, ein aliphatisches . Keton, einen Ester einer niederen wachsartigen Stoff, wie z. B. Pär\affiri oder Wachs, sowie noch ein flüssiges, höher als 100 C -siedendes, aus Kohlenwassersfoffen bestehendes Harz- und Fettlösungsmittel, wie z. B.
Terpentinöl oder Schwerbenzin.
Zweckmässig kann die Mischung aus Kampfer, Trichloräthylen, Azeton, Amyl- azetat, Paraffin und Terpentinöl aufgebaut sein, wobei an Stelle von Paraffin auch Wachs und an Stelle von Terpentinöl Schwerbenzin verwendet werden kann.
Bei Anwendung dieses neuen Reinigungs mittels wird der Belag zunächst aufgeweicht und kann dann leicht abgelöst werden.
Für die mengenmässige Verteilung der einzelnen Bestandteile haben sich folgende Verhältnisse bewährt: 5- 15 g Kampfer 200-300 g Trichloräthylen (als chlorierter aliphatiseher Kohlenwasserstoff) 200-300 g Azeton (als aliphatisches Keton) 20- 60 g Amylazetat (als Ester niederer Fettsäuren) 20- 80 g Paraffin 300-500 g Terpentinöl Sehr gute Wirkungen, selbst bei stark verschmutzten Kerzen, können mit einem Reinigungsmittel folgender Zusammensetzung erreicht werden:
50 g Paraffin 250 g Trichloräthylen 10 g Kampfer 250g Azeton 400g Terpentinöl 40 g Amylazetat
Cleaners for spark plugs. As is well known, spark plugs apply a coating to the lower part of the insulator, the so-called insulator base, and the electrodes during use. This deposit, which forms at temperatures between around 700 and 1200 C, consists not only of oil carbon but also, above all, of metal oxides.
If the area covered by it on the insulator exceeds a certain size, this will cause malfunctions in the operation of the spark plug, as there will no longer be a regular sparkover between the center and ground electrodes.
The current then seeks the more convenient route from the center electrode over the covering to the candle housing and thus to the earth electrode that is conductively connected to the candle housing. Such contaminated spark plugs were previously thrown away as unusable and always had to be replaced with new ones.
It is used to remove the residues that form on the inner parts of internal combustion engines, outside the spark plug, in the course of their operation, which, due to the low temperatures prevailing there (around 150 to 850 C), consist essentially only of oil carbon alone , certain cleaning agents are already in use.
They consist either in solid form, for example from zinc powder, paraffin, stearin and naphthalene, or in liquid form from benzene, wood spirit, acetone, carbon tetrachloride and / or. on substances equivalent to these solvents. With these known means, however, it does not succeed in removing the coating on the spark plug insulators formed from Metaflogyden in addition to the oil carbon, as mentioned above.
The invention now relates to a cleaning agent, through the use of which used and soiled spark plugs are freed from the above-mentioned coating and can then be used again in the engine.
This cleaning agent consists of a mixture which contains the following substances: Camphor, a chlorinated aliphatic hydrocarbon, an aliphatic. Ketone, an ester of a lower waxy substance, such as B. Pär \ affiri or wax, as well as a liquid, higher than 100 C -boiling, consisting of hydrocarbons resin and fat solvent such. B.
Turpentine oil or heavy gasoline.
The mixture of camphor, trichlorethylene, acetone, amyl acetate, paraffin and turpentine oil can expediently be made up, it being possible to use wax instead of paraffin and heavy gasoline instead of turpentine oil.
When using this new cleaning agent, the covering is first softened and can then be easily removed.
The following proportions have proven to be effective for the quantitative distribution of the individual components: 5-15 g camphor 200-300 g trichlorethylene (as a chlorinated aliphatic hydrocarbon) 200-300 g acetone (as aliphatic ketone) 20- 60 g amyl acetate (as an ester of lower fatty acids) 20-80 g paraffin 300-500 g turpentine oil Very good effects, even with heavily soiled candles, can be achieved with a cleaning agent of the following composition:
50 g paraffin 250 g trichlorethylene 10 g camphor 250 g acetone 400 g turpentine oil 40 g amyl acetate
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE120240X | 1940-02-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH226749A true CH226749A (en) | 1943-04-30 |
Family
ID=5656416
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH226749D CH226749A (en) | 1940-02-12 | 1941-01-23 | Cleaners for spark plugs. |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH226749A (en) |
IT (1) | IT387750A (en) |
-
0
- IT IT387750D patent/IT387750A/it unknown
-
1941
- 1941-01-23 CH CH226749D patent/CH226749A/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT387750A (en) |
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