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1. 发明授权

US07413163B2 Rack and pinion wheel drive for an industrial sliding blade damper 有权
标题翻译：用于工业滑动叶片阻尼器的齿条和小齿轮驱动
公开(公告)号：US07413163B2
公开(公告)日：2008-08-19
申请号：US10709377
申请日：2004-04-30
申请人： Ronald K. Maxwell , David F. McGrath , Gregory Allyn Perkins
发明人： Ronald K. Maxwell , David F. McGrath , Gregory Allyn Perkins
IPC分类号： F16K31/44 , F16K3/00 , F16H1/04
CPC分类号： F16K3/0254 , F16K31/54 , Y10T74/1967
摘要： This invention discloses improvements to a damper of the type used in industrial applications to open and close ducts carrying noxious or corrosive materials, such as combustion by-products. The improvements include a linear rack and wheeled pinion system to raise and lower a damper blade plate and improvements to the seal cartridge to prolong the life of the seal membrane and to prevent galling between the blade plate and the seal cartridge or damper frame.
摘要翻译：本发明公开了用于工业应用中用于打开和关闭携带有害或腐蚀性材料（例如燃烧副产物）的管道的类型的阻尼器的改进。这些改进包括线性齿条和轮式小齿轮系统以升高和降低阻尼器叶片板并改进密封筒以延长密封膜的寿命并防止刮板与密封筒或阻尼器框架之间的磨损。

2. 发明授权

US06460893B1 Bellows seal with laterally offset adjusted liner 失效
标题翻译：波纹管密封，侧向偏移调整衬管
公开(公告)号：US06460893B1
公开(公告)日：2002-10-08
申请号：US09604338
申请日：2000-06-27
申请人： David F. McGrath
发明人： David F. McGrath
IPC分类号： F16L1112
CPC分类号： F16L51/024
摘要： An expansion joint for high temperature air or other gaseous flows, of the type in which two duct ends are separated by a gap, that is bridged by overlapping inner and outer liner ducts. The inner and outer liner ducts are surrounded by at least one insulating pillow. The periphery of the expansion joint is surrounded by a flexible cover. A bellows liner structure is disposed between the inner and outer liner ducts and the at least one insulation pillow.
摘要翻译：用于高温空气或其它气体流动的膨胀接头，其中两个管道端部被间隙分隔开，该间隙通过重叠的内部和外部衬套管道桥接。内衬管和外衬管被至少一个绝缘枕头包围。膨胀节的周边由柔性盖包围。波纹管衬垫结构设置在内衬管和外衬管之间以及至少一个绝缘枕头之间。

3. 发明授权

US06533329B1 Method for making a molded expansion joint seal 失效
标题翻译：用于制造模制膨胀接头密封件的方法
公开(公告)号：US06533329B1
公开(公告)日：2003-03-18
申请号：US09607235
申请日：2000-06-30
申请人： David F. McGrath
发明人： David F. McGrath
IPC分类号： F16L5102
CPC分类号： B29C51/145 , B29C33/08 , B29C43/006 , B29C43/203 , B29C43/36 , B29C43/52 , B29C51/082 , B29C51/426 , B29K2027/18 , B29K2105/06 , B29K2105/0809 , B29L2031/26 , F16L27/107
摘要： A method for forming sections of a flexible sealing belt, for expansion ducts is provided. A sheet of flexible sealing belt material is molded, using application of pressure and heat, to impart a desired contour to the belt section, to enable the belt, when installed in an expansion joint, to retain an outwardly extending shape, to resist collapse of the belt into the gap between the duct ends.
摘要翻译：提供了一种用于形成用于膨胀导管的柔性密封带的部分的方法。通过施加压力和热量来模制一片柔性的密封带材料，以使带状部分具有期望的轮廓，以便当安装在膨胀节中时使带能保持向外延伸的形状，以抵抗皮带进入导管末端之间的间隙。

4. 发明授权

US06402203B1 Flange construction for fabric expansion joints 有权
标题翻译：织物伸缩缝的法兰结构
公开(公告)号：US06402203B1
公开(公告)日：2002-06-11
申请号：US09663464
申请日：2000-09-15
申请人： Benny Mathiesen , David F. McGrath , Michael Wayne Pollock
发明人： Benny Mathiesen , David F. McGrath , Michael Wayne Pollock
IPC分类号： F16L2712
CPC分类号： F16L27/1012 , F16L25/12 , F16L27/107
摘要： An expansion joint for high temperature air or other gaseous flows, of the type in which two duct ends are separated by a gap, that is bridged by a flexible fabric expansion joint cover. The flexible fabric expansion joint cover is attached to the duct ends, using two outwardly extending frame members. Each frame member incorporates one or more convolutions, that are provided to accommodate thermally inducted stresses and strains, imposed by the thermal gradient through the frame members, from positions proximate the duct ends, to outwardly disposed locations where the frame members are attached to opposing ends of the fabric cover.
摘要翻译：用于高温空气或其它气体流动的膨胀接头，其中两个管道端部由间隙分隔开，该间隙由柔性织物膨胀接头盖子桥接。柔性织物膨胀接头盖使用两个向外延伸的框架构件附接到管道端部。每个框架构件包括一个或多个卷积，其被设置成适应由热梯度通过框架构件施加的热感应应力和应变，从靠近管道端部的位置到框架构件附接到相对端的向外设置位置的面料盖。

5. 发明授权

US06588804B2 Method and apparatus for monitoring pipeline expansion joint conditions 失效
公开(公告)号：US06588804B2
公开(公告)日：2003-07-08
申请号：US09785368
申请日：2001-02-16
申请人： David F. McGrath
发明人： David F. McGrath
IPC分类号： F16L2712
CPC分类号： F16L51/035 , Y10S285/90
摘要： A method and apparatus for monitoring a pipeline expansion joint, in particular the conditions of a pressure-balanced expansion joint. A sensor is positioned so as to sense one or more physical characteristics of a pipeline fluid flow. A signal generated by the sensor(s) is received by a suitably configured electronic controller. The controller, in turn, is connected to a flow control valve, that is movable between at least an “off” or “no-flow” position, and a flow permitting position, connecting a source of compressible medium and the volume confined between the two (or more) balancing bellows of a pressure-balanced expansion joint. An accumulator may also be provided, that may be connectable via the flow control valve, to the confined volume. The controller will be operably configured to cause the valve to be moved, in response to signals received from the sensor(s) that correspond to stored numerical data in the controller that represent different potential operating conditions. In an alternative embodiment, the controller may also be suitably connected to various external communication devices, for communication of a signal representative of, e.g., a failure condition, to a predesignated recipient.

6. 发明授权

US06326894B1 Pipeline leak monitoring system 有权
标题翻译：管道泄漏监测系统
公开(公告)号：US06326894B1
公开(公告)日：2001-12-04
申请号：US09659272
申请日：2000-09-12
申请人： David F. McGrath
发明人： David F. McGrath
IPC分类号： G08B2100
CPC分类号： G01M3/2853
摘要： A notification system for monitoring and detecting the integrity of an expansion joint and delivering an indication of the expansion joint's integrity to a remote location. The preferred embodiment of the apparatus is comprised of a sensor for detecting the environments condition between two or more plies of a bellows, and transmitting a corresponding signal to a control apparatus, the control apparatus capable of making a comparative analysis of the sensor's signal with two or more predetermined parameters. Based upon the results of the comparative analysis, if the control apparatus determines the deviation in the environmental characteristics are unacceptable, the control apparatus transmits a signal to a message transmittal apparatus which transforms the signal into a communication signal. The communication signal is then transmitted to a remote location as notification of the expansion joint's integrity in the form of, but not limited to, a phone call, voice mail, electronic mail, pager message, facsimile, or web site.
摘要翻译：一种通知系统，用于监测和检测扩展接头的完整性，并将扩展接头的完整性的指示传递给远程位置。该装置的优选实施例包括用于检测波纹管的两个或更多个层之间的环境状况的传感器，并将相应的信号发送到控制装置，该控制装置能够对传感器信号进行两次比较分析或更多的预定参数。基于比较分析的结果，如果控制装置确定环境特性的偏差是不可接受的，则控制装置将信号发送到将信号变换为通信信号的消息传送装置。然后，通信信号作为扩展接头的完整性的通知以电话呼叫，语音邮件，电子邮件，寻呼机消息，传真机或网站的形式而不限于此被发送到远程位置。

7. 发明授权

US06306781B1 Expansion joint patch apparatus 有权
标题翻译：膨胀节贴片装置
公开(公告)号：US06306781B1
公开(公告)日：2001-10-23
申请号：US09358748
申请日：1999-07-21
申请人： David F. McGrath
发明人： David F. McGrath
IPC分类号： B32B2704
CPC分类号： B29C73/10 , Y10T29/49721 , Y10T29/49732 , Y10T428/1362 , Y10T428/2438 , Y10T428/24388 , Y10T428/24421 , Y10T428/249928 , Y10T442/2082 , Y10T442/2238 , Y10T442/227 , Y10T442/2369 , Y10T442/2574 , Y10T442/2738 , Y10T442/2787 , Y10T442/2803 , Y10T442/2893 , Y10T442/291 , Y10T442/2934 , Y10T442/2943 , Y10T442/2992
摘要： An expansion joint patch apparatus for repairing failed or torn expansion joint belting having a substantially flat, woven substrate material, and a cured solution of suspended elastomer, coating the substrate material. The substrate material is selected from the group consisting of aramid, fiberglass, corrosion resistant alloy wire, polyester, ceramic and kevlar fabrics. The elastomer material is selected from the group consisting of chloroprene, chlorosulfonated polyethylene, ethylene propylene, chloronated isobutylene isoprene, fluoroelastomers and silicone rubbers. The invention further includes a method for forming a fluoroelastomer patch for repairing fabric expansion joints.
摘要翻译：一种膨胀接头贴片装置，用于修复具有基本平坦的织造基底材料的失效或撕裂的膨胀接头带，以及悬置弹性体的固化溶液，涂覆基底材料。基材选自芳族聚酰胺，玻璃纤维，耐腐蚀合金丝，聚酯，陶瓷和凯夫拉布织物。弹性体材料选自氯丁二烯，氯磺化聚乙烯，乙烯丙烯，氯化异丁烯异戊二烯，含氟弹性体和硅橡胶。本发明还包括一种用于形成用于修补织物伸缩缝的含氟弹性体贴剂的方法。

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