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公开(公告)号：US4124193A
公开(公告)日：1978-11-07
申请号：US804664
申请日：1977-06-08
申请人： Charles E. Reedy , Edwin S. Carlson
发明人： Charles E. Reedy , Edwin S. Carlson
CPC分类号： F16K27/07 , Y10T137/8811
摘要： A bottom operable lading valve assembly for tank cars includes a valve closure plug movable between open and closed positions relative to a circular plug seat located within a valve body opening. A housing is affixed to the valve body with fasteners comprising a shear plane. The housing includes a generally vertical housing opening into which a rotatable valve operator is mounted comprising a lower tool connection portion and an upper operating portion. The upper operating portion includes upper operator threads which engage an operating stem depending from the valve plug. The valve operator separates below the shear plane in the event impact causes the housing to shear off along the shear plane to maintain the closure plug in seated position to prevent escape of lading. During rotation of the valve operator in a direction to move the closure plug to open position, the closure plug wipes the plug seat. Further rotation of the valve operator causes the plug to move vertically toward open position without rotation. Rotation of the valve operator from open position causes the plug to move vertically downwardly to a closed and seated position without rotation.
摘要翻译： 用于罐车的底部可操作的提升阀组件包括可相对于位于阀体开口内的圆形塞座的打开位置和关闭位置之间移动的阀闭合塞。 用包括剪切平面的紧固件将壳体固定到阀体上。 壳体包括大致垂直的壳体开口，安装有可旋转的阀操作器，其包括下部工具连接部分和上部操作部分。 上部操作部分包括上部操作者螺纹，其与从阀塞悬挂的操作杆接合。 如果撞击导致外壳沿剪切平面剪切，阀门操作员在剪切平面下方分离，以将闭塞塞保持在就座位置，以防止脱扣。 在阀操作者在使封闭塞移动到打开位置的方向旋转期间，封闭塞子擦拭插头座。 阀门操作者的进一步旋转使得插头不会旋转而垂直向打开位置移动。 阀门操作器从打开位置的旋转使插头垂直向下移动到一个闭合和就位的位置，而不会旋转。
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公开(公告)号：US4116157A
公开(公告)日：1978-09-26
申请号：US741648
申请日：1976-11-15
申请人： Willie V. Evans
发明人： Willie V. Evans
CPC分类号： G01L7/16 , F16K37/0066 , Y10T137/8326
摘要： A visual indicating device having an elongated slide valve mounted for longitudinal movement in a central bore of a housing. One end of the slide valve has a piston thereon mounted in a piston chamber and is responsive to a sensed fluid pressure in a flow line. The visual indicator is adjacent the other end of the slide valve and includes an outer fixed indicator element and an inner axially aligned rotatable indicator element. The outer fixed indicator element has a plurality of pie-shaped segments with alternate segments being transparent to permit visual viewing of the movable inner indicator element. The inner indicator element has a plurality of pie-shaped segments with alternate segments being of a green color and intervening segments being of a red or contrasting color. The altenate segments of the inner indicator element are axially aligned with the transparent segments of the outer indicator element in one position to present visually one color and the intervening segments are axially aligned with the transparent segments in the otherposition to present visually the contrasting color.
摘要翻译： 视觉指示装置具有安装成在壳体的中心孔中纵向运动的细长滑阀。 滑阀的一端具有安装在活塞室中的活塞，并且响应于在流动管线中检测的流体压力。 视觉指示器与滑阀的另一端相邻，并且包括外固定指示元件和内轴向对准的可旋转指示元件。 外固定指示元件具有多个饼形段，其中交替段是透明的，以允许可视内部指示器元件的视觉观察。 内部指示器元件具有多个饼状部分，其中交替部分是绿色，并且中间部分是红色或对比色的。 内部指示器元件的老化部分在一个位置中与外部指示器元件的透明部分轴向对准，以可视地呈现一种颜色，并且所述中间部分与另一位置中的透明部分轴向对齐，以在视觉上呈现对比色。
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公开(公告)号：US4113233A
公开(公告)日：1978-09-12
申请号：US841225
申请日：1977-10-11
申请人： John A. Bond
发明人： John A. Bond
CPC分类号： F16K3/0227 , F16K3/184 , F16K3/186
摘要： A non-floating seat structure for an expanding gate valve in which a seat ring is pressed within a body recess and a sealing member is inserted in a groove between a rear face of the seat ring and an opposed wall defining the recess to form a fluid-tight barrier. The groove for the sealing member is of a generally rectangular cross-section and is formed by a counterbore in the valve body and a rearwardly extending inner lip on the seat ring which abuts the recess wall when the seat ring is pressed within the body recess.
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公开(公告)号：US4108080A
公开(公告)日：1978-08-22
申请号：US746453
申请日：1976-12-01
IPC分类号： B61F1/12 , B61F3/02 , B61F5/04 , B61F5/06 , B61F5/24 , B61F5/30 , B61F5/36 , B61F5/52 , B61F5/14 , C10M5/00 , C10M7/00 , F16C33/24
摘要： A railway car truck assembly includes spaced side frames supported by truck journal bearings. A bolster extends transversely between the side frames. A spring assembly is supported on the spaced side frames and engages the lower surface of the boltster. The bolster includes a center bearing and a pair of side bearings mounted on either side of the center bearing. The side bearings receive the weight of the car body. Each of the side bearings includes an upper surface made of a first low friction material. The car body includes a depending center portion engaging the center bearing and spaced side portions having a lower surface made of a second low friction material engaging the side bearings. One of the first and second low friction materials is selected from nylon polyesters, polycarbonates, polyacetals and polysulfones. The other of the first and second low friction materials is selected from polytetrafluoroethylene. The coefficient of friction between the upper and lower surfaces is sufficiently low that the truck easily rotates with respect to the car body. The second low fricion material may optionally include a polymeric polyolefin component such as polyethylene, having a low exchange time, and the minor amount of a chemically inert fluorinated hydrocarbon polymeric material such as polytetrafluoroethylene.
摘要翻译： 铁路车载车组件包括由卡车轴颈轴承支撑的间隔开的侧框架。 扶手横向延伸在侧框架之间。 弹簧组件支撑在间隔开的侧框架上并与螺栓的下表面接合。 垫片包括安装在中心轴承两侧的中心轴承和一对侧面轴承。 侧面轴承承受车身的重量。 每个侧面轴承包括由第一低摩擦材料制成的上表面。 车体包括接合中心轴承的悬置中心部分和具有与侧轴承接合的第二低摩擦材料制成的下表面的间隔侧部分。 第一和第二低摩擦材料之一选自尼龙聚酯，聚碳酸酯，聚缩醛和聚砜。 第一和第二低摩擦材料中的另一个选自聚四氟乙烯。 上表面和下表面之间的摩擦系数足够低，使得卡车相对于车身容易旋转。 第二低摩擦材料可以任选地包括具有低交换时间的聚合物聚烯烃组分如聚乙烯，以及少量的化学惰性的氟化烃聚合物材料如聚四氟乙烯。
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公开(公告)号：US4106749A
公开(公告)日：1978-08-15
申请号：US757121
申请日：1977-01-05
申请人： Gunter R. Behle
发明人： Gunter R. Behle
CPC分类号： F16K17/19 , F16K17/36 , F16K27/07 , Y10T137/86324
摘要： In accordance with the present invention an air inlet and outlet valve is mounted within an opening in the top of a railway tank car. The valve is operable from the bottom of the car by means of a rotatable operating shaft which extends from the bottom of the car up through the tank to the top of the tank to operate the valve. The operating shaft includes an operator for raising and lowering the valve located at the bottom of the tank, and includes a shaft telescoping arrangement whereby the upper portion of the shaft telescopes relative to the lower portion of the shaft, as the top of the tank moves relative to the bottom of the tank. Thus when the car is impacted and the top of the tank moves downwardly relative to the tank bottom, the upper portion of the operating shaft will move downwardly relative to the lower portion of the shaft, and the valve will remain closed during such impacts, while allowing opening and closing of the valve from the bottom of the car by means of the operating shaft and the operator.
摘要翻译： 根据本发明，空气入口和出口阀安装在铁路罐车顶部的开口内。 该阀可通过可旋转的操作轴从轿厢的底部操作，该操作轴从轿厢的底部向上延伸通过箱到罐的顶部以操作阀。 操作轴包括用于升高和降低位于罐底部的阀的操作器，并且包括轴伸缩装置，由此轴的上部相对于轴的下部伸缩，因为罐的顶部移动 相对于坦克的底部。 因此，当汽车撞击并且罐的顶部相对于罐底部向下移动时，操作轴的上部将相对于轴的下部向下移动，并且在这种冲击期间阀将保持关闭，而 允许通过操作轴和操作者从汽车底部打开和关闭阀。
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66.发明授权
公开(公告)号：US4095767A
公开(公告)日：1978-06-20
申请号：US785991
申请日：1977-04-08
CPC分类号： B61D45/005 , F16F1/50 , F16F2236/10
摘要： A diagonal strut energy absorbing cushioning assembly for use in a trailer hitch for holding piggyback trailers in place on railway flat cars including an inclined longitudinally extending fixed member attached to the deck of a railway car and an inclined longitudinally extending movable member spaced from said fixed member. The movable member is attached to a kingpin engagement assembly of a railway trailer hitch for holding in place the kingpin of a highway trailer. A resilient assembly is carried by the fixed and movable members. The resilient assembly includes at least one elastomeric member attached to a first surface on the fixed member and a second surface spaced from the first surface attached to the movable member. The elastomeric material is shearable between the first and second surfaces under cushioning loads. The fixed and movable members further include side portions which together with the first and second surfaces cooperate to define a housing for the resilient material, including spaced, juxtaposed flange portions. One of the flange portions includes a channel and the other of the flange portions includes a projection located within the channel. The projection is movable relative to the channel to guide movement of the movable member relative to the fixed member as the resilient material deflects in shear during cushioning of the trailer hitch.
摘要翻译： 一种用于拖车挂钩的对角支撑能量吸收缓冲组件，用于将搭载拖车放置在铁路平车上，包括附接到铁路车辆的甲板上的倾斜的纵向延伸的固定构件和与所述固定构件间隔开的倾斜的纵向延伸的可动构件 。 可移动构件附接到铁路拖车牵引装置的主销接合组件，用于固定公路拖车的主销。 弹性组件由固定和可动构件承载。 弹性组件包括附接到固定构件上的第一表面的至少一个弹性体构件和与附接到可移动构件的第一表面间隔开的第二表面。 弹性体材料在缓冲载荷下在第一和第二表面之间是可剪切的。 固定和可移动构件还包括侧部，其与第一和第二表面一起协作以限定用于弹性材料的壳体，包括间隔开并置的凸缘部分。 凸缘部分中的一个包括通道，另一个凸缘部分包括位于通道内的突出部。 突出部可相对于通道移动，以引导可动件相对于固定构件的运动，因为弹性材料在拖车挂钩缓冲期间在剪切中偏转。
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公开(公告)号：US4071041A
公开(公告)日：1978-01-31
申请号：US647286
申请日：1976-01-07
CPC分类号： F16K5/201 , F16K5/22 , Y10T137/4442
摘要： A spherical plug valve has an annular seat pocket in its body around a flow passageway. A seat ring is positioned in the seat pocket and includes inner and outer annular concentric seat members with a resilient seal ring secured between the concentric seat members. The concentric seat members are secured together by rivets after the seal ring is positioned therebetween. A separate resilient seat urging member in the seat pocket behind the seat ring urges the seal into engagement with the adjacent face of the spherical valve and includes a metal spring encapsulated in an elastomeric material.
摘要翻译： 球形旋塞阀在其主体周围具有围绕流动通道的环形座袋。 座椅环位于座椅口袋中，并且包括内部和外部环形同心座椅构件，其具有固定在同心座椅构件之间的弹性密封环。 在密封环位于其间时，同心座构件通过铆钉固定在一起。 位于座圈后面的座袋中的单独的弹性座椅推动构件促使密封件与球形阀的相邻面接合并且包括被包封在弹性体材料中的金属弹簧。
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公开(公告)号：US4068768A
公开(公告)日：1978-01-17
申请号：US691169
申请日：1976-05-28
申请人： Paul E. Hicks, Jr.
发明人： Paul E. Hicks, Jr.
摘要： A railway hopper car is provided with a mounting bracket assembly which applies the vibrational loads to the car essentially entirely in shear.
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公开(公告)号：US4036532A
公开(公告)日：1977-07-19
申请号：US727030
申请日：1976-09-27
申请人： Jerry D. Waddell , John J. Scheeter
发明人： Jerry D. Waddell , John J. Scheeter
CPC分类号： B65D88/72
摘要： A fluidizing outlet is provided having plenum sheets which define with the sides of the bottom pan of the outlet a plenum chamber. At least a portion of the lower edges of the plenum sheets are spaced from the sides of the bottom pan a suitable distance to provide gaps which form first fluidizing openings. Openings are provided in the upper portion of the plenum sheets to provide second fluidizing openings to fluidize the lading. The respective sizes of the first and second fluidizing openings are of a size sufficient to fluidize the lading, and are sufficiently large that they are not readily clogged by contaminates; for example, from dirty supply air and/or improper outlet cleaning to prevent operation of the outlet, and of a size sufficient that substantially all of the lading is removed during unloading. It has been found that the spacing between the outlet pan and the plenum sheets forming the first fluidizing openings should be at least about 0.03 inches, and should not exceed about 0.04 inches. It has further been found that the openings in the plenum sheets forming the second fluidizing openings should have a cross-sectional area of at least about 0.002 in..sup. 2, and should not exceed about 0.004 in..sup.2. The second fluidizing openings should be spaced from each other within the range 0.75 to about 1.25 inches.
摘要翻译： 设置有流化出口，其具有限定在出口的底盘侧面的增压室。 增压板的下边缘的至少一部分与底盘的侧面间隔适当的距离以提供形成第一流化开口的间隙。 开口设置在增压板的上部，以提供第二流化开口以使提货流化。 第一和第二流化孔的各自尺寸的尺寸足以使提质流化，并且足够大，使得它们不容易被污染物堵塞; 例如，从脏的供应空气和/或不当的出口清洁以防止出口的操作，以及足够的尺寸，使得在卸载期间基本上所有的提单都被移除。 已经发现出口盘和形成第一流化开口的增压板之间的间隔应该是至少约0.03英寸，并且不应该超过约0.04英寸。 进一步发现形成第二流化开口的增压板中的开口应具有至少约0.002英寸2的横截面积，并且不应超过约0.004英寸。 第二流化开口应在0.75至约1.25英寸的范围内彼此间隔开。
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公开(公告)号：US4025589A
公开(公告)日：1977-05-24
申请号：US609295
申请日：1975-09-02
申请人： Larry J. Tipton
发明人： Larry J. Tipton
CPC分类号： F02M19/04 , Y10S251/903
摘要： A metering rod support for a carburetor for an internal combustion engine in which a vertical extending metering rod is positioned in a metering jet to control the flow of fuel to the fuel nozzle discharging in the air and fuel mixture conduit. An integral one-piece hanger member wholly supports the metering rod and has a downwardly extending leg which contacts and continuously urges the metering rod in a horizontal direction into contact with the inner peripheral surface defining the metering jet thereby to provide improved flow characteristics. The one-piece hanger member is formed of a molded plastic material and when employed with an adjusting screw for varying the height of the metering rod receives the adjusting screw in a tight fit within an internally threaded opening.
摘要翻译： 一种用于内燃机的化油器的计量杆支撑件，其中垂直延伸的计量杆位于计量喷嘴中，以控制在空气和燃料混合物管道中排出的燃料喷嘴的燃料流。 一体式的整体悬挂件完全支撑计量杆并且具有向下延伸的支腿，该支脚沿水平方向接触并连续地推动计量杆与限定计量射流的内周表面接触，从而提供改善的流动特性。 单件衣架构件由模制塑料材料形成，并且当与用于改变计量杆的高度的调节螺钉一起使用时，将调节螺钉紧密配合在内螺纹开口内。
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