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14 条记录 (耗时 0.011 秒)

    Process for the prevention or reduction of deposits in carburetors, injection devices and similar devices of engines
    6.
    发明授权
    Process for the prevention or reduction of deposits in carburetors, injection devices and similar devices of engines 失效
    用于预防或减少化油器，注射装置和发动机类似装置中沉积物的方法

    公开(公告)号：US5024678A

    公开(公告)日：1991-06-18

    申请号：US177623

    申请日：1988-04-05

    申请人： Dagmar Mertens-Gottselig ,  Hartmut Hammer ,  Heinrich Muller ,  Manfred Wildersohn

    发明人： Dagmar Mertens-Gottselig ,  Hartmut Hammer ,  Heinrich Muller ,  Manfred Wildersohn

    IPC分类号： F02M25/00 ,  C10L1/02 ,  C10L1/182 ,  C10L1/185 ,  C10L1/192 ,  C10L1/198 ,  C10L1/224 ,  C10L1/24 ,  C10L1/26 ,  C10L10/06 ,  C10L10/08

    CPC分类号： C10L1/1985 ,  C10L1/224 ,  C10L1/2487 ,  C10L1/2641 ,  C10L10/06

    摘要： Process for the prevention of reduction of deposits in carburetors, injection devices or similar devices of engines, which are operated with alcohol fuels comprising 99.9 to 75 Vol.-% methanol, ethanol or a mixture thereof and at least one corrosion inhibitor characterized in that one or several polyol ethers are added to the alcohol fuels in a quantity of 15 ppm up to 1 weight-%, whereby the polyol ether(s) has (have) the general formula ##STR1## wherein R is H, linear or branched C.sub.1 -C.sub.20 -alkyl, C.sub.1 -C.sub.20 -alkenyl, polyunsaturated C.sub.1 -C.sub.20 - alkyl, C.sub.1 -C.sub.20 - cycloalkyl, mono- or bicyclo-C.sub.6 -C.sub.14 -aryl, unsubstituted or substituted, R.sub.1 is H, C.sub.1 -C.sub.8 -alkyl, unsubstituted or substituted aryl, R.sub.2 is H, C.sub.1 -C.sub.8 -alkyl, unsubstituted or substituted aryl, and R.sub.3 is OR.sub.5, SR.sub.5, N(R.sub.5).sub.2, wherein R.sub.5 is H, linear or branched C.sub.1 -C.sub.20 -alkyl, C.sub.1 -C.sub.20 -cycloalkyl, mono- and bicyclo-C.sub.6 -C.sub.14 -aryl, unsubstituted or substituted or other specified acid ester or amide substituents and m of the polyolether molecule is 2 or 3 or 4 or combinations of these numbers and n is 2-200.

    摘要翻译： 用于防止化油器，注射装置或发动机的类似装置中的沉积物的还原的方法，其用包含99.9至75vol。％的甲醇，乙醇或其混合物的醇燃料操作，以及至少一种腐蚀抑制剂，其特征在于一种 或多种多元醇醚以15ppm至1重量％的量加入到醇燃料中，由此多元醇醚具有通式（IMA），其中R是H，直链或支链C1- C 1 -C 20 - 烯基，多不饱和C1-C20烷基，C1-C20-环烷基，未取代或取代的单 - 或二环-C6-C14-芳基，R1是H，C1-C8-烷基，未取代或未取代的 取代的芳基，R2是H，C1-C8-烷基，未取代或取代的芳基，R3是OR5，SR5，N（R5）2，其中R5是H，直链或支链C1-C20-烷基，C1-C20-环烷基 ，单和二环-C 6 -C 14 - 芳基，未取代或取代的或其它特定的酸酯或酰胺取代基和m的聚烯烃分子为2或3或4 这些数字和n的组合是2-200。