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81. 发明授权

US4649493A Tube expansion apparatus 失效
标题翻译：管膨胀装置
公开(公告)号：US4649493A
公开(公告)日：1987-03-10
申请号：US567104
申请日：1983-12-30
申请人： Raymond P. Castner , David F. Olechovsky , Philip S. Brown , Susanta Sinha , Harold T. Keller , Wenche W. Cheng
发明人： Raymond P. Castner , David F. Olechovsky , Philip S. Brown , Susanta Sinha , Harold T. Keller , Wenche W. Cheng
IPC分类号： B21D39/20 , C21D7/12 , G06F15/46 , B23P15/26
CPC分类号： B21D39/203 , C21D7/12 , Y10T29/49375 , Y10T29/49805 , Y10T29/4994
摘要： An apparatus for expanding a tube against the walls of a circumscribing bore, or a sleeve within a tube to effect an interference joint therebetween, is described herein. The tube expansion apparatus generally comprises a fluid mandrel connected to a hydraulic expansion unit for applying a radially expansive force to the tube or sleeve, and a control circuit electrically connected to the expansion unit and fluidly connected to the mandrel for sensing fluctuations in the pressure of the fluid discharged from the mandrel during the elastic and plastic deformation of the tube or sleeve during the expansion process, computing a final swaging pressure on the basis of these pressure fluctuations, and deactuating the hydraulic expansion unit when this final swaging pressure is attained within the tube or sleeve. The invention is particularly adapted for minimizing or eliminating the clearance between the heat exchange tubes of a nuclear reactor, and the baffle plate bores through which they extend. The invention may also be used to generate interference joints between such heat exchange tubes, and a reinforcing sleeve inserted therein.
摘要翻译：本文描述了一种用于将管扩展成围绕外壁的壁或管内的套管以实现其间的干涉接头的装置。管膨胀装置通常包括连接到液压膨胀单元的流体心轴，用于向管或套筒施加径向膨胀的力，以及电连接到膨胀单元并流体连接到心轴的控制回路，用于感测压力的波动在膨胀过程中在管或套管的弹性和塑性变形期间从心轴排出的流体基于这些压力波动来计算最终的模锻压力，并且当在该最终的模锻压力达到管或套管本发明特别适用于最小化或消除核反应堆的热交换管与其延伸的挡板孔之间的间隙。本发明还可以用于在这种热交换管之间产生干涉接头以及插入其中的加强套筒。

82. 发明授权

US4485547A Apparatus for pressure fitting a tube in a plate, e.g. a tube sheet 失效
标题翻译：用于将管压入板的装置，例如管板
公开(公告)号：US4485547A
公开(公告)日：1984-12-04
申请号：US349259
申请日：1982-02-16
申请人： Wilfried Busse
发明人： Wilfried Busse
IPC分类号： B21D39/06 , B21D39/20 , B21D53/06 , B21D39/00
CPC分类号： B21D39/203 , Y10T29/49805 , Y10T29/4994 , Y10T29/53122
摘要： An apparatus for expanding tube ends in a tube sheet of a heat exchanger tube bundle comprises a mandrel which can be inserted into the tube end and an expansion pressure generator connected to said mandrel. A source of filling liquid is also connected to the mandrel to the expansion pressure generator which has a port for the filling liquid selectively blocked by the plunger of the expansion pressure generator so that problems with check valves for the filling can be obviated.
摘要翻译：用于在热交换器管束的管板中扩展管端的装置包括可插入管端的心轴和连接到所述心轴的膨胀压力发生器。填充液源也被连接到膨胀压力发生器，该膨胀压力发生器具有用于由膨胀压力发生器的柱塞选择性地阻塞的填充液体的端口，从而可以避免用于填充的止回阀的问题。

83. 发明授权

US4467630A Hydraulic swaging seal construction 失效
标题翻译：液压锻造密封结构
公开(公告)号：US4467630A
公开(公告)日：1984-08-28
申请号：US331672
申请日：1981-12-17
申请人： John W. Kelly
发明人： John W. Kelly
IPC分类号： B21D39/20 , B21D22/10
CPC分类号： B21D39/203 , Y10T29/49375 , Y10T29/49805
摘要： A sealing member for use in a swaging apparatus includes an annular heel from which inner and outer lips extend to define an annular cavity. The outer lip has a first portion extending radially outwardly and axially away from the heel and a second portion extending radially inwardly and axially away from the first portion. In a relaxed condition, the inner lip is angled radially inwardly from the heel. This sealing member can be used on a swaging mandrel in combination with a harder back-up sealing member and a centering sleeve that carries a flange. The flange is tapered to a pointed edge and engages a conical back surface of the heel.
摘要翻译：用于模锻装置的密封构件包括环形脚跟，内唇和外唇从该脚跟延伸以限定环形空腔。外唇缘具有径向向外延伸并且远离脚跟的第一部分和从第一部分径向向内和轴向延伸的第二部分。在轻松的条件下，内唇缘从脚跟径向向内成角度。该密封构件可以与锻造的心轴一起使用，其与较硬的备用密封构件和承载凸缘的定心套筒组合使用。凸缘锥形到尖锐的边缘并且与后跟的锥形后表面接合。

84. 发明授权

US4445261A Method for installing tubes in a tube sheet 失效
标题翻译：将管安装在管板中的方法
公开(公告)号：US4445261A
公开(公告)日：1984-05-01
申请号：US173142
申请日：1980-07-28
申请人： John W. Kelly
发明人： John W. Kelly
IPC分类号： B21D39/06 , B21D39/20 , B23P15/26 , B23P11/02
CPC分类号： B21D39/06 , B21D39/203 , Y10T29/49375 , Y10T29/49805
摘要： A tube is inserted in a bore in a tube sheet, the tube having an outside diameter slightly smaller than the bore. Hydraulic pressure is applied to the tube internally to expand it radially throughout a pressure zone that extends at least up to one end of the bore. The pressure is confined between two axially spaced seals that encircle a mandrel and are engagable with the inner surface of the tube. The mandrel and seals are then shifted to relocate the pressure zone so that it does not reach the end, and increased pressure is applied to produce a firmer contact between the outside of the tube and the bore. Any crevices between the tube and the tube sheet in which corrosion would be likely to occur are thus eliminated. The invention is particularly suitable for use in connection with the heat exchangers of nuclear plants.
摘要翻译：管被插入管板的孔中，管的外径略小于孔。液压在内部被施加到管子上，以径向扩张到贯穿孔的至少一端的压力区域。压力限制在环绕心轴的两个轴向间隔开的密封件之间，并且可与管的内表面接合。然后将心轴和密封件移动以重新定位压力区域，使得其不到达端部，并且施加增加的压力以在管的外部和孔之间产生更牢固的接触。因此消除了可能发生腐蚀的管和管板之间的任何缝隙。本发明特别适用于与核电厂热交换器有关的用途。

85. 发明授权

US4420867A Method of pressure fitting a tube in a tube sheet 失效
标题翻译：将管压入管板的方法
公开(公告)号：US4420867A
公开(公告)日：1983-12-20
申请号：US349258
申请日：1982-02-16
申请人： Wilfried Busse
发明人： Wilfried Busse
IPC分类号： B21D39/08 , B21D39/06 , B21D39/20 , B21D53/06 , F28F9/16 , B23P17/00 , B21D19/00 , B21D53/00
CPC分类号： B21D39/203 , F28F9/16 , Y10T29/49375 , Y10T29/49805 , Y10T29/4994
摘要： A tube end received in a bore of a tube sheet is expanded by introducing a mandrel into the tube end and utilizing fluid pressure to bias a pair of sealing rings outwardly to engagement with a tube end, thereby sealing off the clearance between the mandrel and the tube end. In addition to utilizing the fluid pressure to provide the sealing action, the invention admits the fluid pressure into the clearance and thereby expands the tube end.
摘要翻译：通过将心轴引入管端并利用流体压力将一对密封环向外偏压以与管端接合，从而将容纳在管板的孔中的管端膨胀，从而密封心轴和管端。除了利用流体压力提供密封作用之外，本发明还允许流体压力进入间隙，从而使管端膨胀。

86. 发明授权

US4387507A Method and apparatus for radially expanding tubes 失效
标题翻译：用于径向膨胀管的方法和装置
公开(公告)号：US4387507A
公开(公告)日：1983-06-14
申请号：US255789
申请日：1981-04-20
申请人： John W. Kelly
发明人： John W. Kelly
IPC分类号： B21D39/20 , B23P15/26 , B23P11/02 , B23P17/00
CPC分类号： B21D39/206 , B21D39/203 , Y10T29/49375 , Y10T29/4994 , Y10T29/53122
摘要： A method and apparatus for expanding tubes radially, particularly useful for anchoring tubes within a tube sheet in preparation for a subsequent hydraulic swaging operation. The apparatus includes at least one primary expander and at least one seondary expander. The secondary expander is axially positioned within the tube and has a larger cross-sectional area than the primary expander when considered with reference to a plane passing transversely through the tube. The expanders are compressed axially, thereby producing outwardly directed pressure against the interior surface of the tube. The primary expander produces the greatest pressure against the tube due to its smaller cross-sectional area. Axial compressive forces can be applied to the expanders by a draw bar that passes through them.
摘要翻译：一种用于径向膨胀管子的方法和装置，特别可用于将管子固定在管板内以准备随后的液压模压操作。该装置包括至少一个主膨胀器和至少一个辅助膨胀机。当考虑横向穿过管的平面时，次级膨胀器轴向地定位在管内并且具有比主膨胀器更大的横截面面积。膨胀机被轴向压缩，由此产生朝向管内表面的向外的压力。主膨胀机由于其较小的横截面积而对管产生最大的压力。轴向压缩力可以通过穿过它们的拉杆施加到膨胀机上。

87. 发明授权

US4006619A Tube expander utilizing hydraulically actuated pistons 失效
标题翻译：管式膨胀机采用液压致动活塞
公开(公告)号：US4006619A
公开(公告)日：1977-02-08
申请号：US604023
申请日：1975-08-07
申请人： James Hilbert Anderson
发明人： James Hilbert Anderson
IPC分类号： B21D15/10 , B21D39/20 , B21D22/10
CPC分类号： B21D39/206 , B21D15/105 , B21D39/203
摘要： An apparatus for expanding a tube or pipe by axially compressing an annular resilient element to cause said element to radially expand into engagement with the inner surface of the tube or pipe. The compressing of the resilient element and its radial expansion is caused by a main piston and cylinder structure which is subjected to fluid under pressure. A secondary or impact piston is provided in the main piston for applying higher stresses to the tube or pipe through the resilient element. The resilient element is interposed between a plurality of spaced annular ring members which constitute guide means therefor.
摘要翻译：一种用于通过轴向压缩环形弹性元件使管或管扩张以使所述元件径向膨胀成与管或管的内表面接合的装置。弹性元件的压缩及其径向膨胀是由压力下经受流体的主活塞和气缸结构引起的。在主活塞中设置次级或冲击活塞，以通过弹性元件对管或管施加更高的应力。弹性元件介于构成其导向装置的多个间隔开的环形构件之间。

88. 发明授权

US3979810A Method of hermetically swaging tubes into tube plates 失效
标题翻译：将管气密成型为管板的方法
公开(公告)号：US3979810A
公开(公告)日：1976-09-14
申请号：US636742
申请日：1975-12-01
申请人： Herbert Krips , Miroslav Podhorsky
发明人： Herbert Krips , Miroslav Podhorsky
IPC分类号： B21D39/06 , B21D39/20 , F16L41/00 , F16L41/08 , F28F9/16 , B23P15/26
CPC分类号： F28F9/16 , B21D39/06 , B21D39/203 , F16L41/001 , F16L41/084 , Y10T29/49375 , Y10T29/49805 , Y10T29/53122
摘要： A method of hermetically swaging tubes into the bores of heavy heat exchanger tube plates, by first expansion-swaging the inserted tube end portion under a very high hydraulic pressure and by then roll-swaging a portion of the expansion-swaged length portion, in order to replace the expansion-related tensile stress in the tubes with a compressive prestress, and in order to eliminate annular crevices at the inner edges of the tube plate bores.
摘要翻译：通过首先在非常高的液压下对插入的管端部进行膨胀模压，然后依次对膨胀型长度部分的一部分进行辊压锻造，将管道密封地模制到重的热交换器管板的孔中以压缩预应力取代管中的膨胀相关的拉伸应力，并且为了消除管板孔的内边缘处的环形裂缝。

89. 发明授权

US3627336A Extrusion resistant pressure ring assembly for slidably telescoping members 失效
标题翻译：防滑压力环组件，适用于滑动构件
公开(公告)号：US3627336A
公开(公告)日：1971-12-14
申请号：US3627336D
申请日：1967-06-27
申请人： GORDON C LAWSON
发明人： LAWSON GORDON C
IPC分类号： B21D39/04 , B21D39/20 , F16J9/28 , F16J15/18 , F16J15/00 , F16J9/00
CPC分类号： F16J15/186 , B21D39/04 , B21D39/203 , B21D39/206 , F16J9/28
摘要： A pressure ring assembly to be installed between slidably telescoping members, the assembly having a resilient pressure ring which is compressed axially and thereby expanded radially into pressured contact with the members, and helical antiextrusion backup rings at the ends of the pressure ring which expand radially to prevent extrusion of the pressure ring between the members.

90. 发明授权

US2460580A Method and device for fixing and sealing tubes in a partition wall by use of fluid pressure 失效
标题翻译：通过使用流体压力将分隔壁中的管子固定和密封的方法和装置
公开(公告)号：US2460580A
公开(公告)日：1949-02-01
申请号：US47960143
申请日：1943-03-18
申请人： SULZER AG
发明人： WALTER HUBER
IPC分类号： B21D39/20 , F16L5/00 , F28F9/16
CPC分类号： F16L5/14 , B21D39/203 , B21D39/206 , F16L5/00 , F16L5/06 , F28F9/16 , Y10T29/49371 , Y10T29/49805 , Y10T29/4994 , Y10T29/53122 , Y10T29/53722 , Y10T29/5383

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