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    • 1. 发明申请
    • Method of making an armature
    • 制作电枢的方法
    • US20060254046A1
    • 2006-11-16
    • US11483322
    • 2006-07-07
    • Hung DuBrandon VerbruggeJoshua WestMichael SellRichard WalterDavid SmithEarl OrttJohn StoneHoward White
    • Hung DuBrandon VerbruggeJoshua WestMichael SellRichard WalterDavid SmithEarl OrttJohn StoneHoward White
    • H01R43/10H01F7/06
    • H02K1/30H01R43/10H02K1/32H02K3/12H02K3/30H02K3/345H02K3/46H02K3/48H02K3/487H02K3/50H02K3/51H02K7/04H02K9/06H02K9/20H02K9/22H02K13/006H02K13/04H02K15/0056H02K15/02H02K15/12H02K15/165Y10T29/49Y10T29/49009Y10T29/49011Y10T29/49012Y10T29/49071Y10T29/49073Y10T29/53148
    • An armature for an electric motor has a lamination stack on a shaft with a commutator mounted on one end of the shaft. Magnet wires wound in slots in the lamination stack, the commutator and armature shaft are at least partially encapsulated in a first plastic, such as by insert molding. The commutator has a commutator ring divided into a plurality of segments with slots between the segments that are filled with a second plastic when the commutator is made by molding a core of the second plastic, such as phenolic, in the commutator ring before the commutator ring is mounted on the armature shaft. Where the commutator is a tang type commutator, the commutator ring has notches at axial ends of the slots which is filled with the second plastic when the second plastic is molded. The mold used to mold the first plastic includes projections that extend between the tangs of the commutator and against the notches at axial ends of the slots of the commuter. The notches filled with the second plastic and the projections of the mold prevent plastic flash from getting into the slots of the commutator ring. In a stuffer type commutator, the commutator has inserts of insulative material extending part way into the slots of the commutator from an inner end of the commutator. The mold used to mold the first plastic has a portion that seals around the inner end of the commutator ring above the inserts to prevent plastic flash from getting into the slots between the segments of the commutator ring.
    • 用于电动机的电枢在轴上具有叠片,其上安装有在轴的一端上的换向器。 缠绕在叠片堆叠槽中的磁线,换向器和电枢轴至少部分地封装在第一塑料中,例如通过嵌入成型。 换向器具有一个换向器环,当换向器通过在换向器环之前在换向器环中模制第二塑料(例如酚醛树脂)的芯而制成换向器 安装在电枢轴上。 在换向器是脚式换向器的情况下,当第二塑料被模制时,换向器环在槽的轴向端部处有凹槽,当第二塑料被填充时,填充有第二塑料。 用于模制第一塑料的模具包括在换向器的脚之间延伸并且在通勤槽的轴向端部处的凹口之间延伸的突起。 填充有第二塑料的凹口和模具的突起防止塑料闪光进入换向器环的槽中。 在填充型换向器中,换向器具有从换向器的内端部分地延伸到换向器的槽中的绝缘材料的插入件。 用于模制第一塑料的模具具有围绕插入件上方的换向器环的内端密封的部分,以防止塑料闪光进入换向器环的段之间的槽中。
    • 5. 发明申请
    • PROCESS FOR THE PURIFICATION OF PHOSPHORIC ACID
    • 磷酸的纯化方法
    • US20130287666A1
    • 2013-10-31
    • US13976282
    • 2012-01-03
    • Dirk VerdoesJohannes Van Der MeerMichiel NienoordJean-Marie CollardMichael Sell
    • Dirk VerdoesJohannes Van Der MeerMichiel NienoordJean-Marie CollardMichael Sell
    • C01B25/234
    • C01B25/234B01D9/0045
    • Process for purifying a stream comprising phosphoric acid and a first amount of impurities, comprising: forming a slurry of phosphoric acid crystals in a water mother liquor; separating the phosphoric acid crystals from the mother liquor by filtration in a wash column comprising a filtering element, while a packed bed of crystals coming from the slurry forms near such filtering element; washing the separated phosphoric acid crystals in the wash column by bringing a washing liquid in countercurrent to the crystals in the bed up to a wash front, where the washing liquid recrystallizes, the bed being subjected to a movement in the direction of such wash front; forming a purified stream comprising phosphoric acid and a reduced amount of impurities by melting at least part of the washed crystals; and extracting the purified stream from the wash column through a product outlet of the wash column; wherein water is introduced into the wash column, between the wash front and the product outlet and/or in a melting circuit producing at least part of the washing liquid, and wherein the introduction of the said water decreases the equilibrium temperature of the contents of the melting circuit.
    • 一种净化含有磷酸和第一量杂质的物流的方法,包括:在水母液中形成磷酸晶体的浆料; 在包含过滤元件的洗涤塔中通过过滤从母液中分离磷酸晶体,而来自浆料的晶体填充床形成在该过滤元件附近; 通过使洗涤液与床中的晶体逆流洗涤前洗涤液洗涤液中的分离的磷酸晶体,洗涤液重结晶,床沿这种洗涤前方向移动; 通过熔化至少部分洗涤的晶体形成包含磷酸和减少量的杂质的纯化物流; 并通过洗涤塔的产物出口从洗涤塔提取纯化物流; 其中将水引入洗涤塔中,洗涤前部和​​产品出口之间和/或在产生至少部分洗涤液的熔解回路中,并且其中所述水的引入降低了所述洗涤液的内容物的平衡温度 熔化电路。
    • 7. 发明授权
    • Apparatus and method for separating solid particles from a slurry
    • US10406452B2
    • 2019-09-10
    • US13978320
    • 2012-01-03
    • Dirk VerdoesJohannes van der MeerMichiel NienoordMichael SellJean-Marie Collard
    • Dirk VerdoesJohannes van der MeerMichiel NienoordMichael SellJean-Marie Collard
    • B01D9/00
    • The invention is directed to an improvement in operation of wash columns, and more in particular to an apparatus for separating solid particles from a slurry and to a process for separating solid particles from a mother liquor slurry. The apparatus of the invention comprises a wash column (1), which comprises a melting circuit (8,10,11,21), wherein means (22,23) are present to introduce a compound or composition to said wash column between a wash front (6b) formed in said wash column in operation and a product outlet and/or in the melting circuit. The process of the invention comprises separating the liquid from the solid particles by filtration with the aid of at least one filtering element (4), while a packed bed of solid particles coming from the mother liquid slurry forms near said filtering element (4), and wherein a wash front (6b) forms which is obtained by bringing a washing liquid in counter current to the solid particles in the bed, the bed being subjected to a movement in the direction of said wash front (6b), while a product stream comprising the material of said solid particles is obtained by continuously discharging a portion of said washing liquid, wherein a portion of said bed is continuously disintegrated, characterized in that a compound or composition is introduced into said wash column (1) between the wash front (6b) and a product outlet and/or in a melting circuit (8,10,11,21), and wherein the introduction of the said compound or composition decreases the equilibrium temperature of the contents of the melting circuit (8,10,11,21), further characterized by the feature that the introduced compound or composition is completely miscible with the product suspension and/or molten product being present in the said melting circuit (8,10,11,21).