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    • 1. 发明授权
    • High Cv bulk process valve, control system and method
    • 高Cv体积过程阀,控制系统和方法
    • US6026835A
    • 2000-02-22
    • US102625
    • 1998-06-23
    • Richard L. MartinHarry Clay NesbittDavid Edward DwellyJohn F. Schoeppel
    • Richard L. MartinHarry Clay NesbittDavid Edward DwellyJohn F. Schoeppel
    • F16K1/10F16K41/10F16K31/126
    • F16K41/106F16K1/10Y10T137/0318Y10T137/3109
    • A high Cv bulk process valve, control system and method convey a process gas or liquid for manufacturing semiconductors through a fluid passage. The fluid passage contains an aerodynamically shaped expansion chamber within which a valve seat and a moveable poppet are arranged for opening and closing the fluid passage. The aerodynamically shaped expansion chamber includes a conically expanding entry and a conically contracting exit and is shaped such that the resistance to flow of the process gas or liquid through the fluid passage of the valve is very nearly the same as through a straight tubing having a cross-sectional area of an inlet to the valve and a length of the fluid passage through the valve. The valve can be added or subtracted from a gas or liquid control system with virtually no changes in pressure drop of flow restriction, when the valve is in the open position. The valve minimizes the energy consumed by valves in semiconductor gas systems.
    • 高Cv体积过程阀,控制系统和方法通过流体通道输送用于制造半导体的工艺气体或液体。 流体通道包含空气动力学形状的膨胀室,在该膨胀室中布置有用于打开和关闭流体通道的阀座和可移动提升阀。 空气动力学形状的膨胀室包括锥形膨胀入口和锥形收缩出口,并且成形为使得通过阀的流体通道的工艺气体或液体的流动阻力与通过具有十字形的直管非常接近相同 阀的入口的截面面积和通过阀的流体通道的长度。 当阀门处于打开位置时,可以从气体或液体控制系统中添加或减少阀门,实际上流量限制压降几乎没有变化。 该阀将半导体气体系统中的阀消耗的能量最小化。
    • 4. 发明授权
    • Method of inhibiting corrosion in a conduit
    • 抑制管道腐蚀的方法
    • US07624805B2
    • 2009-12-01
    • US12345309
    • 2008-12-29
    • Ronald L. HoppeRichard L. MartinMarek K. PakulskiThane D. Schaffer
    • Ronald L. HoppeRichard L. MartinMarek K. PakulskiThane D. Schaffer
    • E21B41/02C09K8/54
    • C09K8/54Y10S166/902Y10S507/934Y10S507/939
    • Corrosive effects arising during oilfield treatment applications are inhibited and/or prevented by introducing into an oil or gas well at least one compound of formula I: wherein: R1 is independently H, —[—CnH2nO—]a—H, or an alkyl group having from 1 to about 24 carbon atoms; R2 is independently H or —[—CnH2nO—]b—H, R3 is independently —[—CH2]c—, or —CdH2d—[—OCnH2n—]e—, R4 is independently H or —[—CnH2nO—]f—H, R5 is independently H or —[—CnH2nO—]g—H, a is from about 1 to about 8; b+f+g is between 0 to about 30; c is from about 1 to 6; d is from about 1 to 6; e is from about 1 to about 8; and n is 2 or 3. Such corrosive effects are especially inhibited in the treatment of sour wells where H2S corrosion is a potential problem as well as conduits used during the treatment of subterranean formations.
    • 在油田处理应用中产生的腐蚀作用通过将至少一种式I化合物引入油或气井中得到抑制和/或防止:其中:R 1独立地为H, - [ - C n H 2n O - ] a H或具有 1至约24个碳原子; R2独立地为H或 - [-CnH2nO-] bH,R3独立地为 - [ - CH2] c-或-CdH2d - [ - OCnH2n-] e-,R4独立地为H或 - [-CnH2nO-] fH,R5 独立地为H或 - [-CnH2nO-] gH,a为约1至约8; b + f + g在0至约30之间; c为约1至6; d为约1至6; e为约1至约8; 并且n为2或3.在H2S腐蚀是潜在问题以及处理地下地层期间使用的导管的酸性井的处理中,这种腐蚀作用特别受到限制。