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    • 2. 发明授权
    • Hydraulic bearing with electromagnetically compensated chambers
    • 带电磁补偿腔的液压轴承
    • US5346192A
    • 1994-09-13
    • US14964
    • 1993-02-08
    • Uwe WeltinUlrich FreudenbergTillman Freudenberg
    • Uwe WeltinUlrich FreudenbergTillman Freudenberg
    • F16F13/26F16F15/03
    • F16F13/264
    • A rubber bearing, in which a liquid-filled working chamber is bounded by an expanding member and by a compensating wall that is capable of moving back and forth in the direction of the working chamber, wherein the compensating wall consists at least partially of a material that is capable of being moved by magnetic forces and extends relatively movably with one partial area into an air gap between a pair of coils comprised of two mutually opposing magnetic coils, which are rigidly supported in two coil braces and are capable of receiving an electric alternating current. The magnetic fluxes of the magnetic coils in the air gap are superimposed upon the magnetic flux of at least one permanent magnet, and the magnetic coils synchronously receive an electric current in such a way that the magnetic flux generated by the permanent magnet is strengthened on one side of the compensating wall and weakened on the other side of the compensating wall.
    • 橡胶轴承,其中充满液体的工作室由膨胀构件和补偿壁限定,该补偿壁能够在工作室的方向上来回移动,其中补偿壁至少部分地由材料 其能够被磁力移动并且以一个部分区域相对移动地延伸到由两个相互相对的磁性线圈组成的一对线圈之间的气隙中,该两个线圈被刚性地支撑在两个线圈支架中并且能够接收电交替 当前。 气隙中的磁性线圈的磁通量叠加在至少一个永磁体的磁通上,并且磁性线圈同步地接收电流,使得由永久磁铁产生的磁通强化在一个 补偿墙的一侧并且在补偿壁的另一侧被削弱。
    • 7. 发明授权
    • Rubber bearing
    • 橡胶轴承
    • US5318283A
    • 1994-06-07
    • US976080
    • 1992-11-13
    • Uwe WeltinUlrich FreudenbergTillman Freudenberg
    • Uwe WeltinUlrich FreudenbergTillman Freudenberg
    • B60K5/12F16F13/00F16F13/26
    • F16F13/264B60G2600/26
    • A rubber bearing, in which a liquid-filled working chamber is bounded by an expanding member and by a compensating wall that is capable of moving back and forth in the direction of the working chamber, wherein the compensating wall consists at least partially of a material that is capable of being moved by magnetic forces and extends relatively movably with one partial area into an air gap between mutually opposing electromagnets, which are capable of receiving an electric current. Each electromagnet has at least one coil capable of receiving a d.c. current and at least one coil capable of receiving an a.c. current. In the opposing electromagnets, current traverses either the direct current coils or the alternating coils in opposite directions.
    • 橡胶轴承,其中充满液体的工作室由膨胀构件和补偿壁限定,该补偿壁能够在工作室的方向上来回移动,其中补偿壁至少部分地由材料 其能够被磁力移动并且通过一个部分区域相对移动地延伸到能够接收电流的相互相对的电磁体之间的气隙中。 每个电磁体具有至少一个能够接收直流的线圈。 电流和至少一个线圈,能够接收一个交流电。 当前。 在相对的电磁铁中,电流在相反方向上横穿直流线圈或交流线圈。
    • 10. 发明授权
    • Powder coating crosslinking agents containing uretdione groups and free isocyanate
    • 含有脲二酮基团和游离异氰酸酯的粉末涂料交联剂
    • US06297343B1
    • 2001-10-02
    • US09489984
    • 2000-01-21
    • Hans-Josef LaasUlrich FreudenbergReinhard HalpaapMichael Grahl
    • Hans-Josef LaasUlrich FreudenbergReinhard HalpaapMichael Grahl
    • C08G1880
    • C08G18/44C08G18/4277C08G18/664C08G18/798C08G2150/20
    • The present invention relates to polyaddition compounds, which are solid below 40° C. and liquid above 125° C., are prepared by the reaction of an isocyanate component containing uretdione groups with a polyol containing ester and/or carbonate groups, other than hydroxypivalic acid neopentylglycol ester, and have a) an average isocyanate functionality of 2.0 to 8.0 and a content of free isocyanate groups (calculated as NCO; molecular weight=42) of 2.1 to 6.0 wt. %, b) a content of uretdione groups (calculated as C2N2O2; molecular weight=84) of 10 to 19 wt. %, c) a content of urethane groups (calculated as —NH—CO—O; molecular weight=59) of 10 to 17 wt. % and d) a content of ester groups —CO—O (calculated as —CO—O; molecular weight=44) and/or carbonate groups —O—CO—O (calculated as —CO—O; molecular weight=44) of 1 to 17 wt. %. The present invention also relates to a process for the preparation of these polyaddition compounds to two-component polyurethane powder coating compositions containing these polyaddition compounds as the crosslinking agent and isocyanate-reactive compounds as the binder.
    • 本发明涉及通过含有脲二酮基团的异氰酸酯组分与含有多羟基酯和/或碳酸酯基团的异氰酸酯组分(羟基新戊酸新戊二醇)反应来制备固体低于40℃的加氢化合物和高于125℃的液体 酯和hasa)的平均异氰酸酯官能度为2.0至8.0,游离异氰酸酯基团的含量(以NCO计算;分子量= 42)为2.1至6.0重量%。 %,b)脲二酮基团的含量(以C 2 N 2 O 2计算;分子量= 84)为10〜19重量%。 %,c)氨基甲酸酯基团的含量(以-NH-CO-O计算;分子量= 59)为10〜17重量%。 %和d)酯基-CO-O(以-CO-O计算;分子量= 44)和/或碳酸酯基团-O-CO-O(以-CO-O计算;分子量= 44)的含量为 1至17wt。 %。 本发明还涉及将这些加聚化合物制备成双组分聚氨酯粉末涂料组合物的方法,该组合物含有这些加聚化合物作为交联剂和异氰酸酯反应性化合物作为粘合剂