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1. 发明申请

US20120174577A1 TURBOCHARGER SYSTEM FOR AIR-THROTTLED ENGINES 有权
标题翻译：用于空气扭矩发动机的涡轮增压器系统
公开(公告)号：US20120174577A1
公开(公告)日：2012-07-12
申请号：US13380983
申请日：2010-06-28
申请人： Karl-Heinz Bauer , Syed Shahed , Krishnamurthy Vaidyanathan
发明人： Karl-Heinz Bauer , Syed Shahed , Krishnamurthy Vaidyanathan
IPC分类号： F02B37/12 , F02B37/00
CPC分类号： F02B37/14 , F02B29/0418 , F02B37/10 , F02B37/166 , F02B37/18 , F02B37/24 , F02D9/02 , F02D23/00 , F02D2009/0283 , Y02T10/144
摘要： A turbocharger system for an air-throttled engine includes a variable flow expander (VFE) in the intake air conduit system that supplies intake air to the engine. At part-load operation, the VFE expands the air by an amount that is controllable, and thus regulates the air flow as needed by the engine. The power extracted by the VFE from the intake air flow is fed to the turbocharger, which helps to achieve quicker turbocharger response and improve scavenging of exhaust gases from the engine. The VFE can be a variable expansion ratio turbine.
摘要翻译：用于空气节流发动机的涡轮增压器系统包括在进气管道系统中的可变流量膨胀器（VFE），其将进气供给到发动机。在部分负载运行时，VFE以可控制的量使空气膨胀，从而调节发动机所需的空气流量。 VFE从进气流中提取的功率被供给到涡轮增压器，这有助于实现更快的涡轮增压器响应并改善来自发动机的废气的清除。 VFE可以是可变膨胀比涡轮机。

2. 发明申请

US20120107089A1 Fluid Flow Control System Having a Moving Fluid Expander Providing Flow Control and Conversion of Fluid Energy into Other Useful Energy Forms 审中-公开
标题翻译：流体流动控制系统具有运动流体扩张器，提供流体控制和流体能量转化为其他有用的能量形式
公开(公告)号：US20120107089A1
公开(公告)日：2012-05-03
申请号：US13382547
申请日：2010-06-29
申请人： Krishnamurthy Vaidyanathan , Syed Shahed
发明人： Krishnamurthy Vaidyanathan , Syed Shahed
IPC分类号： F04D27/00 , F02B77/00
CPC分类号： F02B29/0481 , F01D17/16 , F01N5/04 , F02B29/0437 , F02B37/005 , F02B39/10 , F02D29/06 , F02D2009/0283 , F05D2220/76 , Y02T10/144 , Y02T10/146 , Y02T10/16 , Y10T137/6525
摘要： A fluid flow control system for controlling flow of a primary fluid to a downstream flow-inducing device includes a moving fluid expander with variable expansion ratio and variable speed arranged to receive the flow of the primary fluid and to expand the primary fluid, resulting in a reduction in temperature of the primary fluid. The system further includes an optional heat exchanger arranged to receive the reduced-temperature primary fluid as well as a higher-temperature secondary fluid and to cause varying degrees of heat exchange between the primary and secondary fluids such that the secondary fluid is cooled by the primary fluid. The primary fluid is discharged from the heat exchanger and is supplied to the flow-inducing device.
摘要翻译：用于控制主流体流向下游引流装置的流体流动控制系统包括具有可变膨胀比和可变速度的移动流体膨胀器，其布置成接收初级流体的流动并使主流体膨胀，导致初级流体的温度降低。该系统还包括可选的热交换器，其布置成接收降温初级流体以及较高温度的次级流体，并且在主流体和次流体之间引起不同程度的热交换，使得第二流体被主流体流体。主流体从热交换器排出并被供应到导流装置。

3. 发明授权

US09115644B2 Turbocharger system including variable flow expander assist for air-throttled engines 有权
标题翻译：涡轮增压器系统包括可变流量膨胀器辅助空气调节发动机
公开(公告)号：US09115644B2
公开(公告)日：2015-08-25
申请号：US13380983
申请日：2010-06-28
申请人： Karl-Heinz Bauer , Syed Shahed , Krishnamurthy Vaidyanathan
发明人： Karl-Heinz Bauer , Syed Shahed , Krishnamurthy Vaidyanathan
IPC分类号： F02B37/16 , F02D9/02 , F02B37/10 , F02D23/00 , F02B37/14 , F02B37/18 , F02B37/24 , F02B29/04
CPC分类号： F02B37/14 , F02B29/0418 , F02B37/10 , F02B37/166 , F02B37/18 , F02B37/24 , F02D9/02 , F02D23/00 , F02D2009/0283 , Y02T10/144
摘要： A turbocharger system for an air-throttled engine includes a variable flow expander (VFE) in the intake air conduit system that supplies intake air to the engine. At part-load operation, the VFE expands the air by an amount that is controllable, and thus regulates the air flow as needed by the engine. The power extracted by the VFE from the intake air flow is fed to the turbocharger, which helps to achieve quicker turbocharger response and improve scavenging of exhaust gases from the engine. The VFE can be a variable expansion ratio turbine.
摘要翻译：用于空气节流发动机的涡轮增压器系统包括在进气管道系统中的可变流量膨胀器（VFE），其将进气供给到发动机。在部分负载运行时，VFE以可控制的量使空气膨胀，从而调节发动机所需的空气流量。 VFE从进气流中提取的功率被供给到涡轮增压器，这有助于实现更快的涡轮增压器响应并改善来自发动机的废气的清除。 VFE可以是可变膨胀比涡轮机。

4. 发明授权

US07010030B2 Software definable block adaptive decision feedback equalizer 失效
公开(公告)号：US07010030B2
公开(公告)日：2006-03-07
申请号：US09910971
申请日：2001-07-20
申请人： Krishnamurthy Vaidyanathan
发明人： Krishnamurthy Vaidyanathan
IPC分类号： H03H7/30
CPC分类号： H04L25/03057 , H04L2025/03547 , H04L2025/03605 , H04L2025/037
摘要： A block decision feedback equalizer is designed by deriving, from first principles, a block exact decision feedback equalizer and then systematically applying simplifying assumptions to obtain several block approximate decision feedback equalizers, each suitable for multipath channel equalization and having error convergence insensitive to filter length. The resulting block decision feedback equalizer is software definable may be dynamically adapted by choosing whether to update error correction coefficients.

5. 发明授权

US06839388B2 System and method for providing frequency domain synchronization for single carrier signals 失效
标题翻译：为单载波信号提供频域同步的系统和方法
公开(公告)号：US06839388B2
公开(公告)日：2005-01-04
申请号：US09766711
申请日：2001-01-22
申请人： Krishnamurthy Vaidyanathan
发明人： Krishnamurthy Vaidyanathan
IPC分类号： H04L27/00 , H04L27/06 , H04L27/14 , H04L27/16 , H04L27/22
CPC分类号： H04L27/0014 , H04L27/066 , H04L2027/0065
摘要： There is disclosed an improved system and method for providing frequency domain synchronization for a single carrier signal such as a vestigial sideband signal. The system comprises a synchronization circuit that is capable of obtaining a coarse frequency estimate of the single carrier signal and a fine frequency estimate of the single carrier signal. The system also comprises a three state machine for obtaining an accurate frequency estimate from three separately obtained frequency estimates. The system also comprises a DC estimator circuit that is capable of providing a time domain DC estimate. The system provides a pilot carrier recovery circuit for single carrier signals that has a linear transfer function.
摘要翻译：公开了用于为诸如残留边带信号的单载波信号提供频域同步的改进的系统和方法。该系统包括能够获得单载波信号的粗略频率估计和单载波信号的精细频率估计的同步电路。该系统还包括三状态机，用于从三个单独获得的频率估计中获得准确的频率估计。该系统还包括能够提供时域DC估计的DC估计器电路。该系统为具有线性传递功能的单载波信号提供导频载波恢复电路。

6. 发明授权

US09552348B2 System and method for operating a computer application with spreadsheet functionality 有权
标题翻译：使用电子表格功能操作计算机应用程序的系统和方法
公开(公告)号：US09552348B2
公开(公告)日：2017-01-24
申请号：US14317493
申请日：2014-06-27
申请人： Koustubh Moharir , Surya Kumar Saripella , Sushant Reddy , Krishnamurthy Vaidyanathan
发明人： Koustubh Moharir , Surya Kumar Saripella , Sushant Reddy , Krishnamurthy Vaidyanathan
IPC分类号： G06F17/00 , G06F17/24
CPC分类号： G06F17/246
摘要： The present invention provides a method for operating a computer application with spreadsheet functionality. The method comprising receiving one or more inputs in one or more cells by the spreadsheet application, parsing the received inputs for the one or more cells of the spreadsheet, constructing a dependency graph for the one or more parsed input cells, evaluating at least one of the one or more parsed input cells based on one or more criteria in the dependency graph, reconstructing the dependency graph until all of the one or more input cells are evaluated, and returning an output to the spreadsheet application.
摘要翻译：本发明提供了一种使用电子表格功能来操作计算机应用的方法。该方法包括通过电子表格应用程序在一个或多个单元中接收一个或多个输入，解析电子表格的一个或多个单元格的接收输入，为一个或多个解析输入单元构建依赖图，所述一个或多个解析的输入单元基于所述依赖图中的一个或多个准则，重建所述依赖图，直到对所述一个或多个输入单元进行评估，并将输出返回到所述电子表格应用程序。

7. 发明申请

US20070119171A1 Turbocharged engine system and method of operation 有权
标题翻译：涡轮增压发动机系统及运行方式
公开(公告)号：US20070119171A1
公开(公告)日：2007-05-31
申请号：US11287674
申请日：2005-11-28
申请人： Chenna Boyapati , Krishnamurthy Vaidyanathan
发明人： Chenna Boyapati , Krishnamurthy Vaidyanathan
IPC分类号： F01N5/04 , F01N3/00 , F02D23/00
CPC分类号： F02B37/007 , F01N3/021 , F02B37/16 , F02B37/24 , F02M26/08 , F02M26/23 , F02M26/34 , F02M26/42 , Y02T10/144 , Y02T10/20
摘要： A system is provided. The system includes an internal combustion engine having an intake manifold and an exhaust manifold. The system also includes a high pressure turbocharger having a variable geometry high pressure turbine drivingly coupled to a high pressure compressor, wherein the variable geometry high pressure turbine is driven by a first portion of exhaust gases from the exhaust manifold, wherein the high pressure compressor is configured to compress an intake air and to provide the compressed intake air to the intake manifold. The system also includes a low pressure turbocharger having a variable geometry low pressure turbine drivingly coupled to a low pressure compressor, wherein the variable geometry low pressure turbine is driven by a second portion of the exhaust gases from the exhaust manifold, wherein the low pressure compressor is configured to compress a third portion of the exhaust gases from the exhaust manifold and to provide the compressed third portion to the intake manifold, wherein the first and second portions of the exhaust gases are different from one another.
摘要翻译：提供了一个系统。该系统包括具有进气歧管和排气歧管的内燃机。该系统还包括具有可变几何形状的高压涡轮机的高压涡轮增压器，其驱动地连接到高压压缩机，其中可变几何高压涡轮机由来自排气歧管的排气的第一部分驱动，其中高压压缩机构造成压缩进气并将压缩的进气提供给进气歧管。该系统还包括低压涡轮增压器，其具有驱动地连接到低压压缩机的可变几何形状低压涡轮机，其中可变几何形状低压涡轮机由来自排气歧管的排气的第二部分驱动，其中低压压缩机被构造成压缩来自排气歧管的排气的第三部分并且将压缩的第三部分提供给进气歧管，其中废气的第一和第二部分彼此不同。

8. 发明授权

US07571608B2 Turbocharged engine system and method of operation 有权
标题翻译：涡轮增压发动机系统及运行方式
公开(公告)号：US07571608B2
公开(公告)日：2009-08-11
申请号：US11287674
申请日：2005-11-28
申请人： Chenna Krishna Rao Boyapati , Krishnamurthy Vaidyanathan
发明人： Chenna Krishna Rao Boyapati , Krishnamurthy Vaidyanathan
IPC分类号： F02B33/44 , F02B33/00 , F02B37/00 , F02M25/07
CPC分类号： F02B37/007 , F01N3/021 , F02B37/16 , F02B37/24 , F02M26/08 , F02M26/23 , F02M26/34 , F02M26/42 , Y02T10/144 , Y02T10/20
摘要： A system is provided. The system includes an internal combustion engine having an intake manifold and an exhaust manifold. The system also includes a high pressure turbocharger having a variable geometry high pressure turbine drivingly coupled to a high pressure compressor, wherein the variable geometry high pressure turbine is driven by a first portion of exhaust gases from the exhaust manifold, wherein the high pressure compressor is configured to compress an intake air and to provide the compressed intake air to the intake manifold. The system also includes a low pressure turbocharger having a variable geometry low pressure turbine drivingly coupled to a low pressure compressor, wherein the variable geometry low pressure turbine is driven by a second portion of the exhaust gases from the exhaust manifold, wherein the low pressure compressor is configured to compress a third portion of the exhaust gases from the exhaust manifold and to provide the compressed third portion to the intake manifold, wherein the first and second portions of the exhaust gases are different from one another.
摘要翻译：提供了一个系统。该系统包括具有进气歧管和排气歧管的内燃机。该系统还包括具有可变几何形状的高压涡轮机的高压涡轮增压器，其驱动地连接到高压压缩机，其中可变几何高压涡轮机由来自排气歧管的排气的第一部分驱动，其中高压压缩机被构造成压缩进气并将压缩的进气提供给进气歧管。该系统还包括低压涡轮增压器，其具有驱动地连接到低压压缩机的可变几何形状低压涡轮机，其中可变几何形状低压涡轮机由来自排气歧管的排气的第二部分驱动，其中低压压缩机被构造成压缩来自排气歧管的排气的第三部分并且将压缩的第三部分提供给进气歧管，其中废气的第一和第二部分彼此不同。

9. 发明授权

US07016668B2 Method and apparatus for a reconfigurable multi-media system 有权
公开(公告)号：US07016668B2
公开(公告)日：2006-03-21
申请号：US10255327
申请日：2002-09-26
申请人： Krishnamurthy Vaidyanathan , Santhana Krishnamachari , Mihaela VanderSchaar
发明人： Krishnamurthy Vaidyanathan , Santhana Krishnamachari , Mihaela VanderSchaar
IPC分类号： H04M3/00
CPC分类号： H04B1/0003 , H04B1/406 , H04L69/32
摘要： A reconfigurable multi-media system, method and device provides monitoring and reconfiguration of a plurality of communication layers of a communications stack to dynamically reconfigure the modulation and coding of software defined radio (SDR). The system includes a software object radio (SWR) library having reconfigurable object specification, design and performance parameters, the SWR is adapted for at least one of transmitting and receiving multi-media content via wireless communication; a controller in communication with the SWR library; a power management device module in communication with said controller; a reconfigurable encoder/decoder in communication with said controller to provide the SWR with dynamic coding information for modulation; a TCP/IP interface in communication with said reconfigurable encoder/decoder and said controller; and an application layer comprising a link layer and a reconfigurable physical layer in communication with each other and said controller, the physical layer adapted for communication with a channel, and the application layer including at least one driver for multi-media delivery. The controller monitors the physical layer and link layer information and the reconfigurable encoder/decoder dynamically reconfigures modulation and coding of multi-media content according to a cross-layer optimization approach.

10. 发明授权

US06630964B2 Multi-standard channel decoder for real-time digital broadcast reception 失效
公开(公告)号：US06630964B2
公开(公告)日：2003-10-07
申请号：US09752943
申请日：2000-12-28
申请人： Geoffrey Francis Burns , Krishnamurthy Vaidyanathan
发明人： Geoffrey Francis Burns , Krishnamurthy Vaidyanathan
IPC分类号： H04N327
CPC分类号： H04N21/4382 , H04N19/467
摘要： A multi-standard channel decoder for real-time digital broadcast reception has a plurality of processors connected to a sample-based communication unit for sample-based processing and connected to a block-based communication unit for block-based processing. The channel decoder is able to use the same processors to channel decode sample-based transmissions such as 8-VSB broadcasts and block-based transmissions such as COFDM broadcasts.

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