公开(公告)号：US4913709A

公开(公告)日：1990-04-03

申请号：US312146

申请日：1989-02-17

申请人： Ravi Kumar

发明人： Ravi Kumar

IPC分类号： B01D53/047

CPC分类号： B01D53/0476 ,  B01D2256/16 ,  B01D2256/20 ,  B01D2256/22 ,  B01D2256/24 ,  B01D2257/102 ,  B01D2257/502 ,  B01D2257/504 ,  B01D2257/7025 ,  B01D2259/40001 ,  B01D2259/40015 ,  B01D2259/40016 ,  B01D2259/4003 ,  B01D2259/40032 ,  B01D2259/40037 ,  B01D2259/40041 ,  B01D2259/40045 ,  B01D2259/40052 ,  B01D2259/40062 ,  B01D2259/40064 ,  B01D2259/40067 ,  B01D2259/40069 ,  B01D2259/40071 ,  B01D2259/40073 ,  B01D2259/40075 ,  B01D2259/402 ,  B01D2259/4061 ,  Y02C10/08 ,  Y02C20/20

摘要： An improved pressure swing adsorption process is disclosed for the recovery of high-purity primary and secondary components from a multicomponent gas mixture. The process utilizes a first group of absorbent beds selective for the secondary component and a second group of adsorbent beds selective for retention of tertiary impurities in the mixture. The gas mixture is passed through a first and second bed in series, very high purity primary component product is discharged from the second bed, and high purity secondary component product is recovered by desorption from the first bed. A low-pressure purge of the first bed with high-purity secondary component product is utilized to minimize compression power and improve purity of the secondary product component. Several novel pressure equalization steps improve primary product recovery and reduce power consumption. Further increased product recovery is realized by recycling depressurization and purge streams from the first bed. The process can be used to recover high-purity hydrogen and carbon dioxide from a gas mixture containing these components along with minor amounts of methane, carbon monoxide, and nitrogen.

公开(公告)号：US4813977A

公开(公告)日：1989-03-21

申请号：US138983

申请日：1987-12-29

申请人： William P. Schmidt ,  Ravi Kumar ,  Alan D. Abel

发明人： William P. Schmidt ,  Ravi Kumar ,  Alan D. Abel

IPC分类号： B01D53/047 ,  B01D53/04

CPC分类号： B01D53/0476 ,  B01D53/0446 ,  B01D2256/10 ,  B01D2256/12 ,  B01D2257/104 ,  B01D2259/40062 ,  B01D2259/40064 ,  B01D2259/403 ,  B01D2259/404

摘要： A process is described for nitrogen recovery from air using vacuum swing adsorption. The process minimizes capital costs by reducing or eliminating gas storage vessels and reduces power requirements by operating without an air feed compressor or elevated pressure feed, whereby air feed is induced by vacuum conditions achieved by pressure equalization between parallel adsorption beds. Alternatively, a minor amount of oxygen product can be recovered.

摘要翻译： 描述了使用真空摆动吸附从空气中回收氮气的过程。 该过程通过减少或消除气体存储容器来最小化投资成本，并且通过在没有空气进料压缩机或高压进料的情况下操作来降低功率需求，由此通过平行吸附床之间的压力平衡实现的真空条件诱导空气进料。 或者，可以回收少量的氧产物。

公开(公告)号：US20240211006A1

公开(公告)日：2024-06-27

申请号：US18086405

申请日：2022-12-21

申请人： Jayprakash Thakur ,  Richard S. Perry ,  Madhukiran Srinivasareddy ,  Tejasweeni D. Lingayat ,  Maruti Tamrakar ,  Arjun Chandrashekar ,  Vamshi krishna Aagiru ,  Rekha Bhagat ,  Nithesha A ,  Karthi Kaliswamy ,  Sagar Gupta ,  Zaman Zaid Mulla ,  Jay Vishnu Gupta ,  Prathibha Peddireddy ,  Ravi Kumar ,  Megha Kolkebail Vijaya ,  A Ezekiel Poulose

发明人： Jayprakash Thakur ,  Richard S. Perry ,  Madhukiran Srinivasareddy ,  Tejasweeni D. Lingayat ,  Maruti Tamrakar ,  Arjun Chandrashekar ,  Vamshi krishna Aagiru ,  Rekha Bhagat ,  Nithesha A ,  Karthi Kaliswamy ,  Sagar Gupta ,  Zaman Zaid Mulla ,  Jay Vishnu Gupta ,  Prathibha Peddireddy ,  Ravi Kumar ,  Megha Kolkebail Vijaya ,  A Ezekiel Poulose

IPC分类号： G06F1/16 ,  H01Q1/22 ,  H01Q1/52 ,  H01Q3/06 ,  H04B1/40

CPC分类号： G06F1/1698 ,  G06F1/1681 ,  H01Q1/2266 ,  H01Q1/526 ,  H01Q3/06 ,  H04B1/40

摘要： Antennas and electronic devices using antennas are described herein. A mmWave antenna integrated module (AiM) may be disposed in a barrel hinge between the display and base portions of a laptop. An AiM module on the chassis of the laptop uses base station location and laptop location and orientation to rotate to provide mmWave communication. The chassis-mounted AiM module may be able to be magnetically attached and make electrical connection via pogo pins. A flexible printed circuit (FPC) and metal box may surround the AiM module to form an electromagnetic interference shield and thermal spreader. An identification system may be used to determine whether an antenna is compatible with a modem of the electronic device based on analog or digital signaling between the antenna side and modem side. An FPC may be disposed between portions of a bisected speaker box.

公开(公告)号：US10919253B2

公开(公告)日：2021-02-16

申请号：US15950159

申请日：2018-04-10

申请人： Ravi Kumar ,  Disha Katharani

发明人： Ravi Kumar ,  Disha Katharani

IPC分类号： B31C11/02 ,  B44C5/00 ,  B31C99/00

摘要： An apparatus for coiling a paper strip is disclosed. The apparatus includes a housing, a pin and a plunger. The pin having an end positioned external to the housing and an axis of rotation, the end having a slot elongated along the axis of rotation, the slot being sized to receive the paper strip. Further, the plunger is disposed on the housing and configured to translate away from the pin, the plunger having a plunger head positioned proximate to the slot of the pin, the plunger head having a surface aligned to press the paper strip against the pin.

公开(公告)号：US08914729B2

公开(公告)日：2014-12-16

申请号：US11590045

申请日：2006-10-30

申请人： Micah Dubinko ,  Joseph Magnani ,  Jasmine Novak ,  Ravi Kumar ,  Prabhakar Raghavan ,  Andrew Tomkins

发明人： Micah Dubinko ,  Joseph Magnani ,  Jasmine Novak ,  Ravi Kumar ,  Prabhakar Raghavan ,  Andrew Tomkins

IPC分类号： G06F3/00 ,  G06F3/048 ,  G06F3/0484 ,  G06F17/30 ,  H04L29/06

CPC分类号： G06F17/30899 ,  G06F3/0484 ,  G06F17/30 ,  G06F17/30867 ,  H04L65/4084

摘要： Methods and systems are described for navigating a corpus of content items stored in one or more information repositories within a distributed communications system. The content items may include video feeds, audio feeds, television broadcasts, website, a web log or the like. Using any browser application, the user views content items presented in an interactive scroll display. Modules are included for filtering, sorting and sampling content to ensure delivery of relevant high-quality content to the user. A feedback mechanism is also included for refining relevance filtering, sorting and sampling processes.

摘要翻译： 描述了用于导航存储在分布式通信系统内的一个或多个信息库中的内容项的语料库的方法和系统。 内容项目可以包括视频馈送，音频馈送，电视广播，网站，网络日志等。 使用任何浏览器应用程序，用户查看交互式滚动显示中呈现的内容项。 包含模块用于过滤，分类和抽样内容，以确保向用户传送相关的高质量内容。 还包括一个反馈机制来完善相关性过滤，排序和抽样过程。

公开(公告)号：US08448962B2

公开(公告)日：2013-05-28

申请号：US12869572

申请日：2010-08-26

申请人： Amit Rajshekar Kalyani ,  Munishwar Ahuja ,  Anubhav Kumar ,  Ravi Kumar ,  Krishnarao Dhuri ,  Nikhil Subhashchandra Tambe

发明人： Amit Rajshekar Kalyani ,  Munishwar Ahuja ,  Anubhav Kumar ,  Ravi Kumar ,  Krishnarao Dhuri ,  Nikhil Subhashchandra Tambe

IPC分类号： B60G17/033

CPC分类号： B61F5/36

摘要： Systems and methods provide variable spring stiffness for weight management in a vehicle. One system includes a plurality of springs and a plurality of spring retainers configured to adjust a number of inactive coils of the plurality of springs. Additionally, a motor is provided that is connected to the plurality of spring retainers and configured to actuate the spring retainers to adjust the number of inactive coils of the plurality of springs. Further, a controller is provided that is coupled to motor to control the motor to actuate the spring retainers to adjust the number of inactive coils of the plurality of springs.

摘要翻译： 系统和方法为车辆中的重量管理提供了可变的弹簧刚度。 一个系统包括多个弹簧和多个弹簧保持器，其构造成调节多个弹簧的多个不活动的线圈。 此外，提供一种电动机，其连接到多个弹簧保持器并且构造成致动弹簧保持器以调节多个弹簧的非活动线圈的数量。 此外，提供了一个控制器，其耦合到马达以控制马达来致动弹簧保持器以调节多个弹簧的非活动线圈的数量。

公开(公告)号：US20080016112A1

公开(公告)日：2008-01-17

申请号：US11309377

申请日：2006-08-02

申请人： Venkateswara Reddy ,  Mohammed Jahaber ,  Ravi Kumar

发明人： Venkateswara Reddy ,  Mohammed Jahaber ,  Ravi Kumar

IPC分类号： G06F17/30

CPC分类号： G06F9/454

摘要： Supporting multiple languages in the operation and management of a Process Control System. According to one aspect, a user may request a change of language in which a user interface is provided and the data elements in that language are copied from a reference database to a master database. The data required for the user interface is then provided from the master database. Due to the presence of data in multiple languages, the switch from one language to another may be easily accomplished. According to another aspect of the present invention the control strategies in a first language in a first control system can be exported and later imported to control strategies in a second language in a second control system. The reference database in the second control system may be used to translate the elements, while importing the translated control strategies in the master database of the second control system.

摘要翻译： 在过程控制系统的运行和管理中支持多种语言。 根据一个方面，用户可以请求更改提供用户界面的语言，并将该语言中的数据元素从参考数据库复制到主数据库。 然后从主数据库提供用户界面所需的数据。 由于存在多种语言的数据，从一种语言切换到另一种语言可能很容易实现。 根据本发明的另一方面，可以导出第一控制系统中的第一语言的控制策略并稍后导入以在第二控制系统中以第二语言控制策略。 第二控制系统中的参考数据库可以用于翻译元素，同时在第二控制系统的主数据库中导入经翻译的控制策略。

公开(公告)号：US20070227352A1

公开(公告)日：2007-10-04

申请号：US11395138

申请日：2006-04-03

申请人： Ravi Kumar

发明人： Ravi Kumar

IPC分类号： B01D53/02

CPC分类号： B01D53/0476 ,  B01D53/047 ,  B01D2253/10 ,  B01D2253/106 ,  B01D2256/16 ,  B01D2256/22 ,  B01D2257/504 ,  B01D2257/80 ,  B01D2259/40069 ,  B01D2259/40073 ,  B01D2259/40075 ,  B01D2259/4062 ,  C01B3/56 ,  C01B2203/0233 ,  C01B2203/0283 ,  C01B2203/043 ,  C01B2203/0475 ,  C01B2203/0811 ,  C01B2203/0827 ,  C01B2203/86 ,  Y02C10/08 ,  Y02P20/152 ,  Y02P30/30

摘要： The present invention generally relates to vacuum pressure swing adsorption (VPSA) processes and apparatus to recover carbon dioxide having a purity of approximately ≧90 mole % from streams containing at least carbon dioxide and hydrogen (e.g., syngas). The feed to the CO2 VPSA unit can be at super ambient pressure. The CO2 VPSA unit produces three streams, a H2-enriched stream, a H2-depleted stream and a CO2 product stream. When the CO2 VPSA unit is installed between an SMR/shift reactor and a H2 PSA unit, hydrogen recovery is expected to be increased by extracting CO2, thereby increasing hydrogen partial pressure in the H2 PSA feed. The recovered CO2 can be further upgraded, sequestered or used in applications such as enhanced oil recovery (EOR).

摘要翻译： 本发明一般涉及从至少包含二氧化碳和氢气（例如合成气）的物流中回收纯度约> 90摩尔％的二氧化碳的真空变压吸附（VPSA）方法和装置。 进入CO 2 VPSA装置的进料可以处于超级环境压力。 CO 2 VPSA单元产生三个流，H 2 CO 2流，H 2 - 二元素流和CO 2 产品流。 当CO 2 / 2VPSA单元安装在SMR /变换反应器和H 2 PSA单元之间时，预期通过提取CO 2 / / SUB>，从而提高H 2 PSA供料中的氢分压。 回收的CO 2可以进一步升级，隔离或用于诸如增强采油（EOR）的应用中。

公开(公告)号：US20070190984A1

公开(公告)日：2007-08-16

申请号：US11567098

申请日：2006-12-05

申请人： Ravi Ayyasamy ,  Bruce Lawler ,  Krishnakant Patel ,  Vyankatesh Shanbhag ,  Brahmananda Vempati ,  Ravi Kumar

发明人： Ravi Ayyasamy ,  Bruce Lawler ,  Krishnakant Patel ,  Vyankatesh Shanbhag ,  Brahmananda Vempati ,  Ravi Kumar

IPC分类号： H04Q7/38

CPC分类号： H04W4/12 ,  H04W4/18 ,  H04W88/184 ,  H04W92/02

摘要： A real-time exchange (RTX) interfaces to a wireless communications system to provide enhanced features for advanced voice services (AVS), which include instant messaging interworking.

摘要翻译： 实时交换（RTX）与无线通信系统接口，为高级语音服务（AVS）提供增强功能，包括即时消息互通。

公开(公告)号：US20060242453A1

公开(公告)日：2006-10-26

申请号：US11113759

申请日：2005-04-25

申请人： Ravi Kumar ,  Peyman Najafirad

发明人： Ravi Kumar ,  Peyman Najafirad

IPC分类号： G06F11/00

CPC分类号： G06F11/0793 ,  G06F11/0709

摘要： A method of enforcing active-active cluster input/output fencing through out-of-band management network for hung cluster nodes is disclosed. In accordance with one embodiment of the present disclosure, a method of resetting a cluster node in a shared storage system includes identifying the cluster node from a plurality of cluster nodes based on the cluster node failing to respond to a cluster service application. The method further includes propagating a reset signal to the cluster node using an out-of-band channel to perform a hardware reset of the cluster node.

摘要翻译： 公开了一种通过带外管理网络实现主动 - 主动群集输入/输出防护的方法。 根据本公开的一个实施例，重置共享存储系统中的集群节点的方法包括基于未能响应于集群服务应用的集群节点从多个集群节点识别集群节点。 该方法还包括使用带外信道将复位信号传播到群集节点以执行群集节点的硬件重置。