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    • 33. 发明授权
    • Board mounted power connector
    • 板上电源连接器
    • US07001189B1
    • 2006-02-21
    • US10981295
    • 2004-11-04
    • Daniel B. McGowanSteven B. BogielWilliam P. HendricksonArvind PatelTimothy E. Purkis
    • Daniel B. McGowanSteven B. BogielWilliam P. HendricksonArvind PatelTimothy E. Purkis
    • H01R12/00
    • H01R43/0256Y10S439/947
    • An electrical power connector is mountable on a printed circuit board. The connector includes an outer terminal and an inner terminal, both of which are of generally inverted U-shaped configurations, with the inner terminal nested in the outer terminal. Solder tails project downwardly from bottom edges of side walls of the two terminals. Both terminals have a pair of blade portions projecting forwardly from the respective side walls of the terminals, whereby the blade portions of each terminal are spaced from each other. The blade portions of one terminal are generally coplanar with the blade portions of the other terminal. A dielectric housing is overmolded about the side walls of the outer terminal, leaving the solder tails and the outside surfaces of the blade portions exposed. The housing has a projecting portion extending into the spacing between the blade portions of the two terminals against the inside surfaces of the blade portions, leaving the outside surfaces of the blade portions exposed.
    • 电源连接器可安装在印刷电路板上。 连接器包括外部端子和内部端子,它们都具有大致倒U形的构造,内部端子嵌套在外部端子中。 焊尾从两个端子的侧壁的底部边缘向下突出。 两个端子具有从端子的相应侧壁向前突出的一对叶片部分,由此每个端子的叶片部分彼此间隔开。 一个端子的刀片部分通常与另一个端子的刀片部分共面。 绝缘壳体围绕外端子的侧壁包覆成型,留下焊料尾部和刀片部分的外表面露出。 壳体具有延伸到两个端子的叶片部分之间的间隔中的突出部分,抵靠叶片部分的内表面,从而使叶片部分的外表面露出。
    • 34. 发明申请
    • High performance water based drilling fluids and method of use
    • 高性能水基钻井液及其使用方法
    • US20050096232A1
    • 2005-05-05
    • US11008008
    • 2004-12-09
    • Arvind PatelEmanuel StamatakisEric DavisJim Friedheim
    • Arvind PatelEmanuel StamatakisEric DavisJim Friedheim
    • C09K8/22C09K8/24C09K7/02
    • C09K8/22C09K8/24C09K2208/12
    • A water-base fluid for use in drilling wells and other drilling operation includes a shale clay which swells in the presence of water. The fluid preferably includes: an aqueous based continuous phase, and a shale hydration inhibition agent having the formula: H—(OR)x—[—NH—CH2—CH2—CH2—O—CH2—CH2—NH—]—(R′O)y—H wherein R and R′ are independently selectable alkylene groups having 2 to 4 carbon atoms, and wherein x and y have independently selected values such that the sum of x and y is at least 1. The shale hydration inhibition agent should be present in sufficient concentration to reduce the swelling of the shale clay. The fluid may be used for formulating drilling fluids such as water-base drilling muds or clear brine drilling fluids. The fluid may also be used in the slurrification and disposal of drill cuttings that contain water swellable clays or shale clays.
    • 用于钻井和其他钻井操作的水基流体包括在水存在下膨胀的页岩粘土。 流体优选包括:基于水的连续相和具有下式的页岩水合抑制剂:<?in-line-formula description =“In-line Formulas”end =“lead”?> H(OR) - - - - - - - - - - - CH 2 -CH 2 CH 2 -CH 2 CH 2 - -N 2 - (R'O) - - - - (R'O)y -H-α-in-line-formula description =“In-line Formulas”end =“ 尾“→其中R和R'独立地是可选择的具有2至4个碳原子的亚烷基,并且其中x和y具有独立选择的值,使得x和y之和至少为1.页岩水化抑制剂应为 以足够的浓度存在,以减少页岩粘土的膨胀。 流体可以用于配制钻井液,例如水基钻井泥浆或透明盐水钻井液。 该流体也可用于含有可溶胀的粘土或页岩粘土的钻屑的脱气和处理。
    • 35. 发明申请
    • High performance water-based drilling mud and method of use
    • 高性能水泥钻井泥浆及其使用方法
    • US20050049149A1
    • 2005-03-03
    • US10654505
    • 2003-09-03
    • Arvind PatelEmanuel StamatakisSteve Young
    • Arvind PatelEmanuel StamatakisSteve Young
    • C09K8/24C09K7/02
    • C09K8/24C09K2208/12
    • A water based drilling fluid for use in drilling a subterranean well through a subterranean formation that swells in the presence of water, the drilling fluid is formulated to include: an aqueous based continuous phase; a weight material; an optional shale hydration inhibition agent and a shale encapsulator. The shale encapsulator has the formula: in which x and y have a value so that the molecular weight of the cation is in the range of about 10,000 to about 200,000 AMU; A is selected from C1-C6 alkyl, C2-C6 ether or C2-C6 amide; R, R′ and R″ are independently selectable C1-C3 alkyl; and B− is a charge balancing anion to the quarternary amine. The shale hydration inhibition agent and the shale encapsulator may be present in sufficient concentrations to reduce the swelling of the subterranean formation in the presence of water. Conventional additives may be included into the formulation of the drilling fluid, such conventional additives may include: fluid loss control agents, alkaline reserve and other pH control agents, bridging agents, lubricants, anti-bit balling agents, corrosion inhibition agents, surfactants and solids suspending agents as well as mixtures and combination of these and similar compounds that should be known to one of skill in the art.
    • 一种水基钻井液,用于通过在水存在下膨胀的地下地层钻探地下井,将钻井液配制为包括:基于水的连续相; 重物料; 可选的页岩水化抑制剂和页岩封隔器。 页岩封装剂具有下式:其中x和y具有使阳离子的分子量在约10,000至约200,000AMU范围内的值; A选自C 1 -C 6烷基,C 2 -C 6醚或C 2 -C 6酰胺; R,R'和R“独立地选自C 1 -C 3烷基; 而B - 是与季胺的电荷平衡阴离子。 页岩水化抑制剂和页岩封壳剂可以以足够的浓度存在,以在水的存在下减少地层的溶胀。 常规的添加剂可以包括在钻井液的配方中,这种常规的添加剂可以包括:流体损失控制剂,碱性储备和其它pH控制剂,桥联剂,润滑剂,抗磨损球剂,腐蚀抑制剂,表面活性剂和固体 悬浮剂以及这些和本领域技术人员已知的类似化合物的混合物和组合。
    • 40. 发明授权
    • Crimpable electrical terminal
    • 可压接电气端子
    • US5634813A
    • 1997-06-03
    • US572279
    • 1995-12-13
    • Arvind PatelRobert A. Klemmer
    • Arvind PatelRobert A. Klemmer
    • H01R4/18H01R12/68H01R13/40H01R13/42H01R43/16H01R4/24
    • H01R12/68H01R4/182
    • An electrical terminal is adapted for use with an electrical conductor. The terminal has a terminating portion with a generally U-shaped cross-section having a web and a pair of sidewalls extending from two opposite longitudinal edges of the web. The sidewalls are generally trapezoidally shaped with relatively wide bases, joined to the longitudinal edges of the web, and relatively narrow tips. The bases are transversely aligned across the web. The tips are offset across the web so that the tips are spaced longitudinally of the web. Therefore, the tips will bypass each other when crimped toward each other to terminate the electrical conductor, all within the longitudinal confines of the bases of the sidewalls.
    • 电气端子适于与电导体一起使用。 端子具有终止部分,其具有大致U形的横截面,其具有腹板和从腹板的两个相对的纵向边缘延伸的一对侧壁。 侧壁通常是梯形形状的,具有相对较宽的基部,连接到幅材的纵向边缘以及较窄的尖端。 基部横向对齐在网上。 这些尖端通过网片偏移,使得尖端沿腹板纵向隔开。 因此,当彼此相互压接以终止电导体时,所有这些尖端将彼此绕过,全部在侧壁的基部的纵向范围内。