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DE907957C - Prevention of icing in the downdraft carburetor - Google Patents

Prevention of icing in the downdraft carburetor

Info

Publication number
DE907957C
DE907957C DEA15767A DEA0015767A DE907957C DE 907957 C DE907957 C DE 907957C DE A15767 A DEA15767 A DE A15767A DE A0015767 A DEA0015767 A DE A0015767A DE 907957 C DE907957 C DE 907957C
Authority
DE
Germany
Prior art keywords
icing
prevention
water
downdraft carburetor
downdraft
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
DEA15767A
Other languages
German (de)
Inventor
Dr-Ing Ernst Alt
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.)
Audi AG
Original Assignee
Auto Union GmbH
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 Auto Union GmbH filed Critical Auto Union GmbH
Priority to DEA15767A priority Critical patent/DE907957C/en
Application granted granted Critical
Publication of DE907957C publication Critical patent/DE907957C/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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
    • F02M17/50—Carburettors having means for combating ice-formation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)

Description

Verhütung des Vereisens im Fallstromvergaser Gegenstand des Patents 844 372 ist ein Kraftfahrzeugfallstromvergaser, dessen zum Vereisen neigende Teile, wie Düse, Düsenhalter, Halterohr. Mischrohr oder mindestens einer dieser Teile, aus einem Werkstoff schlechter Wärmeleitfähigkeit, z. B. Nickeleisen mit 35 % Nickel, Glas, Porzellan oder kraftstoffestem Kunststoff, hergestellt sind. Infolgedessen wird die in diesen Teilen vorhandene Wärme schlecht abgeführt und das Vereisen erschwert.Prevention of icing in the downdraft carburetor The subject of patent 844 372 is a motor vehicle downdraft carburetor, the parts of which tend to freeze, such as the nozzle, nozzle holder, holding tube. Mixing tube or at least one of these parts, made of a material with poor thermal conductivity, e.g. B. nickel iron with 35% nickel, glass, porcelain or fuel-resistant plastic are made. As a result, the heat present in these parts is poorly dissipated and icing is made more difficult.

Gemäß der Erfindung wird das Vereisen dieser Teile noch besser verhütet, wenn die zum Vereisen neigenden Teile an den vereisungsgefährdeten Stellen wasserabstoßende Oberflächen haben, z. B. durch einen Nitrolacküberzug oder durch Herstellung aus wasserabstoßenden Werkstoffen. Das Wasser nämlich, das sich auf einer wasserannehmenden Oberfläche niederschlägt, neigt wegen des sich bildenden wäßrigen Films weit eher zum Vereisen, als wenn die Oberfläche wasserabstoßend ist.According to the invention, the icing of these parts is prevented even better, if the parts that tend to freeze are water-repellent at the areas at risk of freezing Have surfaces, e.g. B. by a nitro lacquer coating or by manufacturing water-repellent materials. The water namely that is on a water-absorbing Surface precipitates, tends to be far more likely because of the aqueous film that forms for freezing, as if the surface is water-repellent.

Claims (1)

PATENTANSPRUCH: Kraftfahrzeugfallstromvergaser nach Patent 844372, dadurch gekennzeichnet, daß die zum Vereisen neigenden Teile, wie Düse, Düsenhalter, Halterohr, Mischrohr, an ihren vereisungsgefährdeten Stellen eine wasserabstoßende Oberfläche haben, z. B. durch einen Nitrolacküberzug oder durch Herstellung aus einem wasserabstoßenden Werkstoff.PATENT CLAIM: Motor vehicle downdraft carburettor according to patent 844372, characterized in that the parts that tend to freeze, such as the nozzle, nozzle holder, Holding tube, mixing tube, a water-repellent one at their icing-prone places Have surface, e.g. B. by a nitro lacquer coating or by manufacturing a water-repellent material.
DEA15767A 1952-05-11 1952-05-11 Prevention of icing in the downdraft carburetor Expired DE907957C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA15767A DE907957C (en) 1952-05-11 1952-05-11 Prevention of icing in the downdraft carburetor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA15767A DE907957C (en) 1952-05-11 1952-05-11 Prevention of icing in the downdraft carburetor

Publications (1)

Publication Number Publication Date
DE907957C true DE907957C (en) 1954-04-01

Family

ID=6923488

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA15767A Expired DE907957C (en) 1952-05-11 1952-05-11 Prevention of icing in the downdraft carburetor

Country Status (1)

Country Link
DE (1) DE907957C (en)

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