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公开(公告)号:US4737253A
公开(公告)日:1988-04-12
申请号:US896465
申请日:1986-08-13
申请人: Adam J. Gesing , David N. Mitchell , Peter A. Wales , Douglas N. Reesor , Ernest W. Dewing , Douglas J. Wheeler , Donald L. De Respiris , Joseph K. Walker
发明人: Adam J. Gesing , David N. Mitchell , Peter A. Wales , Douglas N. Reesor , Ernest W. Dewing , Douglas J. Wheeler , Donald L. De Respiris , Joseph K. Walker
摘要: In an aluminium reduction cell including a cell lining and embedded therein at least one cathode current collector including a high temperature section comprising an electrically conducting refractory material such as titanium diboride, generally in conjunction with molten aluminium metal, corrosion is a problem. The invention provides a substance to protect the collector section. The substance may be a liquid impermeable layer e.g. particulate material impregnated with a molten fluoride-or chloride-containing salt mixture; for a getter such as particulate aluminium to react chemically with gaseous corrosive species. Combinations of these substances may be used, optionally in conjunction with a solid layer such as an alumina or aluminium metal tube.
摘要翻译: 在包括电池衬垫的铝还原电池中,包含至少一个阴极集电器的至少一个阴极集电器包括高温部分,该高温部分包括通常与熔融铝金属结合的二硼化钛的导电耐火材料,腐蚀是一个问题。 本发明提供一种保护收集器部分的物质。 该物质可以是液体不可渗透层,例如 用含氟化物或含氯化物的盐混合物浸渍的颗粒材料; 用于诸如颗粒状铝的吸气剂与气体腐蚀物质化学反应。 可以使用这些物质的组合,任选地与诸如氧化铝或铝金属管的固体层结合使用。
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公开(公告)号:US4737254A
公开(公告)日:1988-04-12
申请号:US901426
申请日:1986-08-28
IPC分类号: C25C3/08
CPC分类号: C25C3/085
摘要: A lining to support the liquid contents of an aluminium electrolytic reduction cell includes an upper layer which is penetrated by electrolyte during operation of the cell, consisting essentially of unbonded alumina, including a substantially close-packed array of alumina shapes, the gaps between the shapes being substantially filled with particulate alumina in one or more fractions having discrete particle size ranges, including a fraction having an average particle diameter not more than 20% of the average diameter of the shapes, the layer having a bulk density of at least 2.0 g/cc.
摘要翻译: 用于支撑铝电解还原电池的液体内容物的内衬包括在电池操作期间被电解质渗透的上层,其基本上由未结合的氧化铝组成,包括基本上紧密堆叠的氧化铝形状的阵列,形状之间的间隙 在一个或多个具有离散粒度范围的级分中基本上填充有颗粒氧化铝,其包括具有不大于形状的平均直径的20%的平均粒径的级分,该层的堆积密度为至少2.0g / cc。
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公开(公告)号:US4613418A
公开(公告)日:1986-09-23
申请号:US675718
申请日:1984-11-28
摘要: An aluminium reduction cell includes a potlining 16, which may be of alumina, with cathode current collectors 24, 32 embedded therein. The cell floor has an array of depressions 22 with at least one collector at the bottom of each depression. The depressions are filled with metal-wettable bodies 20, e.g. 5-20 mm diameter balls of titanium diboride, sized to prevent the entry of electrolyte or sludge. The depressions may be elongate in a direction perpendicular to the horizontal magnetic field in the cell.
摘要翻译: 铝还原电池包括可以是氧化铝的罐衬16,其中嵌有阴极集电器24,32。 电池底板具有凹陷22的阵列,每个凹陷的底部具有至少一个收集器。 凹陷处填充有金属可湿性体20,例如 5-20毫米直径的二硼化钛球,其大小可防止电解液或污泥进入。 凹陷可以在垂直于电池中的水平磁场的方向上延伸。
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公开(公告)号:US5664794A
公开(公告)日:1997-09-09
申请号:US535326
申请日:1995-09-27
申请人: David N. Mitchell , Bob Bromley
发明人: David N. Mitchell , Bob Bromley
CPC分类号: A63C17/1445 , A63C17/062 , A63C17/1409 , A63C17/1436 , A63C17/24 , A63C2017/1472
摘要: A ground engaging movable skate brake brings a brake surface into contact with the ground by moving the brake surface independently of the skate. The skate brake system of this invention includes: a delivery mechanism for driving a brake surface to the ground; a variable force mechanism for providing an increased mechanical advantage to the delivery mechanism or otherwise enhancing the performance of the system; an arresting mechanism to provide an emergency back-up in the event that the delivery mechanism should fail; a brake surface driven to the ground by the delivery mechanism; and an actuator mechanism for activating the delivery mechanism. Using the ground engaging movable skate brake, a skater need not perform any special body movement to bring the brake surface to the ground. The angle of the skate relative to the ground remains constant while the brake is applied.
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公开(公告)号:US5211409A
公开(公告)日:1993-05-18
申请号:US830609
申请日:1992-02-04
申请人: David N. Mitchell , Ivan Histand
发明人: David N. Mitchell , Ivan Histand
CPC分类号: A63C17/1436 , A63C17/06 , A63C2017/1472
摘要: A skate brake system includes a rocker arm that pivots about the rear of a skate so as to bring a brake pad into contact with the skating surface when the rocker arm is activated. The rocker arm is mechanically activated so that the skater need not perform any special body movement so as to raise (or lower) the toe of the skate. Accordingly, the angle of the skate relative to the ground remains constant while the brake is applied.
摘要翻译: 滑冰制动系统包括摇臂,该摇臂在溜冰鞋的后部枢转,以便当摇臂被启动时使制动垫与溜冰表面接触。 摇臂被机械地激活,使得溜冰者不需要执行任何特殊的身体运动,以提高(或降低)溜冰鞋的脚趾。 因此,在施加制动器时,滑冰板相对于地面的角度保持恒定。
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公开(公告)号:US5988086A
公开(公告)日:1999-11-23
申请号:US31502
申请日:1998-02-26
CPC分类号: B63H9/10 , B63H9/08 , B63H2009/088
摘要: The invention provides various improved sailboats and methods for their use. In one exemplary embodiment, a sailboat comprises a hull and a deck that is operably attached to the hull. The deck has a longitudinal axis extending along its center. A mast is generally aligned with the longitudinal axis, and a luff cable is coupled to the mast and the deck. The luff cable is movable relative to the longitudinal axis. Further, a foresail is coupled to the luff cable such that at least a portion of the foresail is movable relative to the longitudinal axis upon movement of the luff cable.
摘要翻译: 本发明提供了各种改进的帆船及其使用方法。 在一个示例性实施例中,帆船包括船体和可操作地附接到船体的甲板。 甲板具有沿其中心延伸的纵向轴线。 桅杆通常与纵向轴线对齐,并且襟翼缆线联接到桅杆和甲板上。 绒头电缆可相对于纵向轴线移动。 此外,前端连接到绒毛线缆,使得在绒毛线缆移动时,前端的至少一部分可相对于纵向轴线移动。
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公开(公告)号:US5564718A
公开(公告)日:1996-10-15
申请号:US251701
申请日:1994-05-31
申请人: David N. Mitchell , Ivan Histand
发明人: David N. Mitchell , Ivan Histand
CPC分类号: A63C17/1436 , A63C17/06 , A63C2017/1472
摘要: A skate brake system includes a rocker arm that pivots about the rear of a skate so as to bring a brake pad into contact with the skating surface when the rocker arm is activated. The rocker arm is mechanically activated so that the skater need not perform any special body movement so as to raise (or lower) the toe of the skate. Accordingly, the angle of the skate relative to the ground remains constant while the brake is applied.
摘要翻译: 滑冰制动系统包括摇臂,该摇臂在溜冰鞋的后部枢转,以便当摇臂被启动时使制动垫与溜冰表面接触。 摇臂被机械地激活,使得溜冰者不需要执行任何特殊的身体运动,以提高(或降低)溜冰鞋的脚趾。 因此,在施加制动器时,滑冰板相对于地面的角度保持恒定。
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公开(公告)号:US6012725A
公开(公告)日:2000-01-11
申请号:US187942
申请日:1998-11-06
IPC分类号: A63C17/14
CPC分类号: A63C17/1409 , A63C17/06 , A63C2017/1481
摘要: The invention provides braking systems and methods for slowing or stopping a roller skate having a plurality of wheels. In one exemplary system, at least one braking surface is spaced-apart from the wheels. A rotatable wheel engaging member is positioned between the braking surface and at least one of the wheels. The rotatable wheel engaging member is caused to rotate when moved against at least one of the wheels when rotating. Further, the rotatable member has an engaging surface which moves against the braking surface upon rotation of the rotatable member by the wheel to slow or stop the wheel.
摘要翻译: 本发明提供了用于减速或停止具有多个轮子的溜冰鞋的制动系统和方法。 在一个示例性系统中,至少一个制动表面与车轮间隔开。 可旋转轮接合构件位于制动表面和至少一个车轮之间。 当旋转时,可旋转的轮接合构件在相对于至少一个车轮移动时被使其旋转。 此外,可旋转构件具有接合表面,该接合表面在旋转构件通过车轮旋转时抵靠制动表面移动以减慢或停止车轮。
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公开(公告)号:US5836590A
公开(公告)日:1998-11-17
申请号:US801858
申请日:1997-02-18
IPC分类号: A63C17/14
CPC分类号: A63C17/1409 , A63C17/06 , A63C2017/1481
摘要: The invention provides a braking systems and methods for slowing or stopping a roller skate having a plurality of wheels. One exemplary system, at least one braking surface is spaced apart from the wheels. A means is provided between the braking surface and at least one of the wheels for slowing or stopping the wheel such that heat generated when slowing or stopping the wheel is created at the braking surface and is substantially prevented from reaching the wheel.
摘要翻译: 本发明提供一种用于减速或停止具有多个轮子的溜冰鞋的制动系统和方法。 一个示例性系统,至少一个制动表面与车轮间隔开。 在制动表面和至少一个车轮之间设置有用于减慢或停止车轮的装置,使得在制动表面处产生减速或停止车轮时产生的热量并且基本上被阻止到达车轮。
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公开(公告)号:US06189471B1
公开(公告)日:2001-02-20
申请号:US09454613
申请日:1999-12-06
IPC分类号: B63B3500
CPC分类号: B63H9/10 , B63B15/0083 , B63H9/06 , B63H9/08 , B63H2009/088
摘要: The invention provides various improved sailboats and methods for their use. In one exemplary embodiment, a sailboat comprises a hull and a deck that is operably attached to the hull. The deck has a longitudinal axis extending along its center. A mast is generally aligned with the longitudinal axis, and a luff cable is coupled to the mast and the deck. The luff cable is movable relative to the longitudinal axis. Further, a foresail is coupled to the luff cable such that at least a portion of the foresail is movable relative to the longitudinal axis upon movement of the luff cable.
摘要翻译: 本发明提供了各种改进的帆船及其使用方法。 在一个示例性实施例中,帆船包括船体和可操作地附接到船体的甲板。 甲板具有沿其中心延伸的纵向轴线。 桅杆通常与纵向轴线对齐,并且襟翼缆线联接到桅杆和甲板上。 绒头电缆可相对于纵向轴线移动。 此外,前端连接到绒毛线缆,使得在绒毛线缆移动时,前端的至少一部分可相对于纵向轴线移动。
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