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公开(公告)号：US4722608A
公开(公告)日：1988-02-02
申请号：US760370
申请日：1985-07-30
CPC分类号： B01F7/00016 , B01F7/00033 , B01F7/001 , B01F7/00358
摘要： Apparatus for mixing liquid and liquid suspension mediums in vessels with a mixing impeller shaft system of a composite of fibrous and plastic material of a structural configuration to enable the use of such material in commercial and industrial applications where the reaction loads of the medium on the system militate against the use of composite fibrous and plastic material. The system utilizes impellers having blades which distribute the reaction load through a hub on a mounting area of a shaft with keys and keyways in a manner to avoid stress risers unamicable to the composite material and which can cause failure thereof. Separate keys and keyways are provided to oppose the thrust due to the reaction loads and to oppose the torque due to such loads. Plural thrust keyways may be used to enable the impeller to be located at different positions on the shaft and at selected heights above the floor of the mixing vessel. Proplets on the tips of the blades extend entirely in the direction of the low pressure surface of the blades to control the flow field in the vessel and provide a more axial velocity profile of the inlet flow to the impeller which is nearly axial and substantially reduces the strength of the tip vortices.
摘要翻译： 用于将液体和液体悬浮介质混合在容器中的装置，其具有结构构造的纤维和塑料材料的复合材料的混合叶轮轴系统，以使得能够在商业和工业应用中使用这种材料，其中介质在系统上的反应负荷 妨碍使用复合纤维和塑料材料。 该系统利用具有叶片的叶轮，该叶片通过具有键和键槽的轴的安装区域上的轮毂分布反作用载荷，以避免不能对复合材料进行施加的应力提升并且可能导致其失效。 提供单独的键和键槽以抵抗由于反作用力引起的推力，并且由于这种载荷而产生的扭矩。 可以使用多个推力键槽来使叶轮位于轴上的不同位置，并且位于混合容器的地板上方的选定高度处。 叶片的尖端上的叶片完全沿着叶片的低压表面的方向延伸，以控制容器中的流场并且提供进入叶轮的入口流的更加轴向的速度分布，其几乎是轴向的并且基本上减小 尖端旋涡的强度。
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公开(公告)号：US4611291A
公开(公告)日：1986-09-09
申请号：US550430
申请日：1983-11-10
申请人： James R. Hoelscher
发明人： James R. Hoelscher
CPC分类号： G06F11/0796 , B61L7/088
摘要： An interface system providing vital inputs to and vital outputs from a vital processor of railway signals for railway signalling and control purposes, utilizes non-vital components such as diodes and transistors. The input interface translates a railway signal, for example, from a relay contact closure of a track relay, into a multi-bit serial digital signal representing a restrictive state of the input railway signal in the event of any failure in the input interface. The output interface utilizes an absence of current detector having a saturable transformer coupled to an output line which provides operating current to railway signal and control devices, such as relays, switch machines and signal lamps. A vital relay having a vital driver operated by the processor or control system is operated to drop away upon the detection of a failure, as indicated by the absence of current detectors or in the processor or in the control system itself, to disconnect operating power from the output interface and condition it to provide the restrictive, no-current condition on the output lines thereof.
摘要翻译： 为铁路信号和控制目的提供铁路信号的重要处理器的重要输入和重要输出的接口系统利用非重要的部件，如二极管和晶体管。 输入接口将轨道信号例如从轨道继电器的继电器触点闭合转换成表示输入接口中的任何故障的输入铁路信号的限制状态的多位串行数字信号。 输出接口利用没有电流检测器，其具有耦合到输出线的可饱和变压器，输出线路向铁路信号和控制装置（例如继电器，开关机和信号灯）提供工作电流。 具有由处理器或控制系统操作的重要驱动器的重要继电器在检测到故障时被操作，如由于没有电流检测器所示，或者在处理器中或在控制系统本身中断开操作功率 输出接口和条件，以在其输出线上提供限制性，无电流条件。
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公开(公告)号：US4564829A
公开(公告)日：1986-01-14
申请号：US546244
申请日：1983-10-28
CPC分类号： H01H50/54
摘要： A railway signaling relay for use in vital circuits has a high percentage release (ratio of drop away current to pickup current between 70% and 80%) by arrangement of contact springs and their associated pressure and stop plates which provide trapped pressure in the contact springs affording the high percentage release characteristic without modification of the electrical or basic mechanical configuration of the relay and retaining its vital characteristics.
摘要翻译： 用于生命电路的铁路信令继电器通过接触弹簧及其相关的压力和止动板的布置具有高百分比释放（脱离电流与拾取电流的比率在70％和80％之间），其在接触弹簧中提供捕获的压力 提供高百分比释放特性，而不改变继电器的电气或基本机械结构并保持其重要特性。
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公开(公告)号：US4364621A
公开(公告)日：1982-12-21
申请号：US125602
申请日：1980-02-28
IPC分类号： H01R13/422 , H01R13/50 , H01R13/516 , H01R13/52 , H01R11/00
CPC分类号： H01R13/521 , H01R13/4226 , H01R13/501 , H01R13/516
摘要： An electrical connector has a body of molded insulating material for fixedly holding a plurality of electrical conductors in the body. The connector body has openings with axial and radial passageways provided for axially or radially inserting or removing the conductors. A plurality of hinges are integral with the body and adjacent each opening for enlarging the adjacent opening in order to easily insert or remove conductors. The body is resiliently held in place by means of a seal disposed against an end wall of the body. Two or more elongated tabs are disposed opposite from one another and integral with an outer wall of the body for manipulating the outer wall to easily insert or remove the electrical connector from an electrical connector cavity.
摘要翻译： 电连接器具有用于在身体中固定地保持多个电导体的模制绝缘材料体。 连接器本体具有开口，其具有轴向和径向通道，用于轴向或径向插入或移除导体。 多个铰链与主体一体并且与每个开口相邻以扩大相邻的开口，以便容易地插入或移除导体。 身体通过设置在身体的端壁上的密封件弹性地保持在适当的位置。 两个或多个细长的突片彼此相对设置并与主体的外壁成一体，用于操纵外壁以容易地从电连接器腔插入或移除电连接器。
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公开(公告)号：US4300882A
公开(公告)日：1981-11-17
申请号：US170960
申请日：1980-07-21
申请人： Ewald R. Werych
发明人： Ewald R. Werych
CPC分类号： F27D1/0009 , F27D1/00 , F27D1/144 , F27D1/145 , F27D1/06 , F27D2001/0053
摘要： An industrial furnace with insulating walls comprising side-by-side pre-formed panels each including a plurality of ceramic insulating modules. The side wall panels include vertical buckstays to which the modules are secured by retainer clips including sharp spikes inserted into side edge surfaces of the insulating modules. Modules with offset stepped side profiles are disclosed, arranged to provide for ready removal of a single module without disturbing adjacent modules. Atmosphere furnace insulation arrangements also are disclosed utilizing ceramic modules secured to the furnace shell by special retainer clips embedded in side edge surfaces of the modules.
摘要翻译： 一种具有绝缘壁的工业炉，包括并排预制板，每个包括多个陶瓷绝缘模块。 侧壁面板包括垂直的支座，通过固定夹固定模块，所述固定夹包括插入绝缘模块的侧边缘表面的尖锐的尖峰。 公开了具有偏移阶梯侧轮廓的模块，其布置成提供单个模块的准备移除而不干扰相邻的模块。 公开了使用通过嵌入在模块的侧边缘表面中的特殊保持夹固定到炉壳的陶瓷模块的大气炉绝热装置。
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公开(公告)号：US2447047A
公开(公告)日：1948-08-17
申请号：US53965144
申请日：1944-06-10
申请人： MALLORY & CO INC P R
发明人： AUST ROBERT J
IPC分类号： H01H50/76
CPC分类号： H01H50/76
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公开(公告)号：US1919906A
公开(公告)日：1933-07-25
申请号：US35500629
申请日：1929-04-15
申请人： RCA CORP
发明人： ROBERTS WALTER VAN B
IPC分类号： H03J3/06
CPC分类号： H03J3/06
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公开(公告)号：US5344235A
公开(公告)日：1994-09-06
申请号：US6552
申请日：1993-01-21
CPC分类号： B01F7/00016 , B01F7/00033 , B01F7/00341 , B01F7/00358
摘要： In order to extend the life of mixing impellers which circulate materials, and particularly which suspend solids, in the form of particles which erode the blades of the impellers and place a practical limit on impeller speed and/or angle of attack due to increased erosion at high flow velocity (erosion being a function of the cube of the velocity), the blades are constructed from blades into an airfoil configuration which does not limit the thickness of the plates and thereby allows the use of thick plates having extended life. An erosion resistant layer is located at least over the leading edge region of the blade and the shape of the blade reduces velocity of flow over the leading edge; the camber of the blade being maximized midway between the leading and trailing edge. The suction surface of the blade in the region subject to erosion is continuous thereby avoiding discontinuities which form vortices which enhance erosion. Fins, which may be at the tip on the suction side of the blade from midway between the leading and trailing edges to the trailing edge reduces tip vortices thereby further extending blade life in erosion-producing environments.
摘要翻译： 为了延长混合叶轮的使用寿命，叶轮将材料循环，特别是悬浮固体，以颗粒的形式侵蚀叶轮的叶片，并对叶轮速度和/或由于增加的 高流速（侵蚀是速度立方体的函数），叶片由叶片构成为翼型构造，其不限制板的厚度，从而允许使用具有延长寿命的厚板。 防侵蚀层至少位于叶片的前缘区域的上方，并且叶片的形状减小了前缘上的流动速度; 叶片的外倾角在前缘和后缘之间的中间最大化。 在受到侵蚀的区域中的叶片的吸力表面是连续的，从而避免形成涡流的不连续性，这增加侵蚀。 可以在叶片的吸入侧的尖端处的叶片从前缘和后缘之间的中间到后缘减小尖端涡流，从而在侵蚀产生环境中进一步延长叶片寿命。
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公开(公告)号：US5203630A
公开(公告)日：1993-04-20
申请号：US832144
申请日：1992-02-06
申请人： Richard A. Howk
发明人： Richard A. Howk
CPC分类号： B01F7/06 , B01F7/00925 , B01F7/021
摘要： In order to circulate a two-phase system (a suspension of solid particles in liquid) in a large (e.g., 100 ft. diameter) and shallow tank (e.g., where the liquid level, Z, to tank diameter, T, ratio is 0.4), a cluster of side entering mixers is used and a desired flow pattern (much like that obtained from a top entering mixer) along the bottom and top of the material in the tank and vertically along the walls of the tank is obtained by (a) rotating an end mixer in the cluster in opposite sense to the other mixers, (b) spacing the mixers so that the interference is reduced between the flow produced by the mixers at the wall of the tank opposite from the mixers, and (c) by tilting the mixers so that the flow intersects the bottom near the wall of the tanks opposite from the mixers. It is believed that the system geometry and direction of rotation of at least one end mixer in the cluster prevents the development of angular momentum of the material in the tank thereby avoiding swirling thereof and consequent asymmetrical, nonuniform flow patterns which are not optimum for particle suspension.
摘要翻译： 为了将两相系统（固体颗粒在液体中的悬浮液）循环在大的（例如，100英尺直径）和浅槽（例如，液位Z，罐直径，T，比率 0.4），使用一组侧进入混合器，并且沿罐的材料的底部和顶部沿着罐的壁垂直地形成期望的流动模式（类似于从顶部进入混合器获得的）流动模式（通过（顶部进入混合器获得的） （b）将混合器间隔开，使得混合器在与混合器相反的壁处的混合器产生的流动之间的干扰减小;（c）将混合器的端部混合器以相反的方向旋转到其他混合器， ）通过使混合器倾斜使得流体与靠近混合器相反的罐的壁附近的底部相交。 据信，群集中的至少一个端部混合器的系统几何形状和旋转方向防止了罐中材料的角动量的发展，从而避免其旋转，并导致不均匀的不均匀流动模式，这对于颗粒悬浮是不最佳的 。
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公开(公告)号：US4883000A
公开(公告)日：1989-11-28
申请号：US116775
申请日：1987-11-05
申请人： Thomas H. Engle
发明人： Thomas H. Engle
CPC分类号： B61F3/10 , B61D3/184 , B61G5/02 , F02B2075/025
摘要： A truck having a pair of wheels mounted by individual stub axles to longitudinal members of a frame. Lateral members of the frame received the forces from the wheels via the longitudinal members and forces from the car via air springs mounted to the lateral members adjacent the longitudinal members. The stub axles are easily removed from U-shaped retainers. A sleeve through the hollow axis retains the bearings to the axle. Half shafts interconnect a gear box and the stub axles for driven trucks and the interconnections are dimensioned to allow the shafts to be removed axially through the hollow axle.
摘要翻译： 一种具有一对车轮的卡车，该车轮由单独的短轴安装到框架的纵向构件上。 框架的横向构件通过纵向构件和来自车辆的力通过安装到与纵向构件相邻的侧向构件的空气弹簧接收力。 短轴很容易从U形保持架上取下。 通过中空轴的套筒将轴承保持在轴上。 半轴将齿轮箱和用于从动卡车的短轴相互连接，并且互连的尺寸设计成允许轴轴向地穿过空心轴。
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