Patents by Inventor Michael S. Manning
Michael S. Manning has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10989210Abstract: The present invention relates to a method and control system to control the speed of centrifugal compressors operating within a vacuum pressure swing adsorption process to avoid an operation at which surge can occur and directly driven by an electric motor that is in turn controlled by a variable frequency drive, while subsequently operating the vacuum pressure swing process between set limits of highest adsorption and lowest desorption pressure. In accordance with present invention an optimal speed for operation of the compressor is determined at which the compressor will operate along a peak efficiency operating line of a compressor map thereof. This speed is adjusted by a feed back speed multiplier when the flow or other parameter referable to flow through the compressor is below a minimum and a feed forward multiplier during evacuation and evacuation with purge steps that multiplies the feed back multiplier to increase speed of the compressor and thereby avoid surge.Type: GrantFiled: July 10, 2017Date of Patent: April 27, 2021Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Garrett R. Swindlehurst, Andrew C. Rosinski, Michael S. Manning
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Publication number: 20190010949Abstract: The present invention relates to a method and control system to control the speed of centrifugal compressors operating within a vacuum pressure swing adsorption process to avoid an operation at which surge can occur and directly driven by an electric motor that is in turn controlled by a variable frequency drive, while subsequently operating the vacuum pressure swing process between set limits of highest adsorption and lowest desorption pressure. In accordance with present invention an optimal speed for operation of the compressor is determined at which the compressor will operate along a peak efficiency operating line of a compressor map thereof. This speed is adjusted by a feed back speed multiplier when the flow or other parameter referable to flow through the compressor is below a minimum and a feed forward multiplier during evacuation and evacuation with purge steps that multiplies the feed back multiplier to increase speed of the compressor and thereby avoid surge.Type: ApplicationFiled: July 10, 2017Publication date: January 10, 2019Inventors: Garrett R. Swindlehurst, Andrew C. Rosinski, Michael S. Manning
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Patent number: 9702365Abstract: The invention relates to a method and control system to control the speed of a centrifugal compressor operating within a vacuum pressure swing adsorption process to avoid an operation at which surge can occur and directly driven by an electric motor that is in turn controlled by a variable frequency drive. The claimed method determines the optimal speed for operation of the compressor along a peak efficiency operating line of a compressor map thereof. Speed of the compressor is adjusted by a feed back speed multiplier when the flow or other parameter referable to flow through the compressor is below a minimum and a feed forward multiplier during evacuation and evacuation with purge steps that multiplies the feed back multiplier to increase speed of the compressor and thereby avoid surge.Type: GrantFiled: May 7, 2013Date of Patent: July 11, 2017Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Andrew C. Rosinski, Paul W. Belanger, Michael S. Manning
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Patent number: 9089810Abstract: A cyclic adsorption process is provided, the process containing one or more adsorber vessels undergoing the steps of at least pressurization and depressurization and driven by one or more variable speed centrifugal machines operating under acceleration and deceleration conditions and adjusted to the steps, vessel size, and process conditions employed, wherein the process cycle time is greater than the ratio of the change in inertia, defined the maximum energy that can be lost during a cycle due to inertia changes, to 0.3 times the total power of the one of more centrifugal machines that would be consumed in the absence of inertial effects.Type: GrantFiled: October 15, 2013Date of Patent: July 28, 2015Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Paul W. Belanger, Michael S. Manning, Andrew C. Rosinski
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Patent number: 8728215Abstract: A cyclic adsorption process is provided having pressurization and depressurization steps and driven by one or more centrifugal machines operating under acceleration and deceleration conditions wherein the deceleration rate of the machine is controlled to minimize power consumption and maximize the efficiency of the process. The operating speed of the centrifugal machine during deceleration is matched to the measured pressure ratio conditions so that the centrifugal machine arrives at its minimum operating speed near the point required to begin acceleration.Type: GrantFiled: November 7, 2013Date of Patent: May 20, 2014Assignee: Praxair Technology, Inc.Inventors: Michael S. Manning, Andrew C. Rosinski, Paul W. Belanger
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Patent number: 8657918Abstract: A cyclic adsorption process is provided having pressurization and depressurization steps and driven by one or more centrifugal machines operating under acceleration and deceleration conditions wherein the deceleration rate of the machine is controlled to minimize power consumption and maximize the efficiency of the process. The operating speed of the centrifugal machine during deceleration is matched to the measured ratio pressure conditions so that the centrifugal machine arrives at its minimum operating speed near the point required to begin acceleration.Type: GrantFiled: November 17, 2011Date of Patent: February 25, 2014Assignee: Praxair Technology, Inc.Inventors: Michael S. Manning, Andrew C. Rosinski, Paul W. Belanger
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Publication number: 20140041521Abstract: A cyclic adsorption process is provided, the process containing one or more adsorber vessels undergoing the steps of at least pressurization and depressurization and driven by one or more variable speed centrifugal machines operating under acceleration and deceleration conditions and adjusted to the steps, vessel size, and process conditions employed, wherein the process cycle time is greater than the ratio of the change in inertia, defined the maximum energy that can be lost during a cycle due to inertia changes, to 0.3 times the total power of the one of more centrifugal machines that would be consumed in the absence of inertial effects.Type: ApplicationFiled: October 15, 2013Publication date: February 13, 2014Inventors: Paul W. Belanger, Michael S. Manning, Andrew C. Rosinski
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Patent number: 8623118Abstract: A cyclic adsorption process is provided, the process containing one or more adsorber vessels undergoing the steps of at least pressurization and depressurization and driven by one or more variable speed centrifugal machines operating under acceleration and deceleration conditions and adjusted to the steps, vessel size, and process conditions employed, wherein the process cycle time is greater than the ratio of the change in inertia, defined the maximum energy that can be lost during a cycle due to inertia changes, to 0.3 times the total power of the one of more centrifugal machines that would be consumed in the absence of inertial effects.Type: GrantFiled: February 8, 2012Date of Patent: January 7, 2014Assignee: Praxair Technology, Inc.Inventors: Paul W. Belanger, Michael S. Manning, Andrew C. Rosinski
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Publication number: 20130323082Abstract: The present invention relates to a method and control system to control the speed of a centrifugal compressor operating within a vacuum pressure swing adsorption process to avoid an operation at which surge can occur and directly driven by an electric motor that is in turn controlled by a variable frequency drive. In accordance with present invention an optimal speed for operation of the compressor is determined at which the compressor will operate along a peak efficiency operating line of a compressor map thereof. This speed is adjusted by a feed back speed multiplier when the flow or other parameter referable to flow through the compressor is below a minimum and a feed forward multiplier during evacuation and evacuation with purge steps that multiplies the feed back multiplier to increase speed of the compressor and thereby avoid surge.Type: ApplicationFiled: May 31, 2012Publication date: December 5, 2013Inventors: Andrew C. Rosinski, Paul W. Belanger, Michael S. Manning
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Publication number: 20130323014Abstract: The present invention relates to a method and control system to control the speed of a centrifugal compressor operating within a vacuum pressure swing adsorption process to avoid an operation at which surge can occur and directly driven by an electric motor that is in turn controlled by a variable frequency drive. In accordance with present invention an optimal speed for operation of the compressor is determined at which the compressor will operate along a peak efficiency operating line of a compressor map thereof. This speed is adjusted by a feed back speed multiplier when the flow or other parameter referable to flow through the compressor is below a minimum and a feed forward multiplier during evacuation and evacuation with purge steps that multiplies the feed back multiplier to increase speed of the compressor and thereby avoid surge.Type: ApplicationFiled: May 7, 2013Publication date: December 5, 2013Inventors: Andrew C. Rosinski, Paul W. Belanger, Michael S. Manning
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Patent number: 8529665Abstract: Systems and processes are provided for gas separation using high-speed induction variable-speed motors to accelerate and decelerate centrifugal compressors suitable for use in pressure swing adsorption (PSA) or vacuum pressure swing adsorption (VPSA) processes.Type: GrantFiled: May 12, 2010Date of Patent: September 10, 2013Assignee: Praxair Technology, Inc.Inventors: Michael S. Manning, Andrew C. Rosinski, Gerald Thomas O'Connor, Paul William Belanger
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Publication number: 20130199369Abstract: A cyclic adsorption process is provided, the process containing one or more adsorber vessels undergoing the steps of at least pressurization and depressurization and driven by one or more variable speed centrifugal machines operating under acceleration and deceleration conditions and adjusted to the steps, vessel size, and process conditions employed, wherein the process cycle time is greater than the ratio of the change in inertia, defined the maximum energy that can be lost during a cycle due to inertia changes, to 0.3 times the total power of the one of more centrifugal machines that would be consumed in the absence of inertial effects.Type: ApplicationFiled: February 8, 2012Publication date: August 8, 2013Inventors: Paul W. Belanger, Michael S. Manning, Andrew C. Rosinski
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Publication number: 20130125746Abstract: A cyclic adsorption process is provided having pressurization and depressurization steps and driven by one or more centrifugal machines operating under acceleration and deceleration conditions wherein the deceleration rate of the machine is controlled to minimize power consumption and maximize the efficiency of the process. The operating speed of the centrifugal machine during deceleration is matched to the measured ratio pressure conditions so that the centrifugal machine arrives at its minimum operating speed near the point required to begin acceleration.Type: ApplicationFiled: November 17, 2011Publication date: May 23, 2013Inventors: Michael S. Manning, Andrew C. Rosinski, Paul W. Belanger
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Patent number: 7867320Abstract: The present invention relates to a dual feed and dual vacuum four bed VPSA process for selectively adsorbing a component from a feed stream, e.g., nitrogen from air, to produce an oxygen-enriched gas stream using a multi-port indexing drum valve, a system comprising a multi-port indexing drum valve and method for operating such a system.Type: GrantFiled: September 30, 2008Date of Patent: January 11, 2011Assignee: Praxair Technology, Inc.Inventors: Mohamed Safdar Allie Baksh, Michael S. Manning, Ashwin Desai, Preeti Chandra, Paul William Belanger
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Patent number: 7785405Abstract: Systems and processes are provided for gas separation using high-speed permanent magnet variable-speed motors to accelerate and decelerate centrifugal compressors suitable for use in pressure swing adsorption (PSA) or vacuum pressure swing adsorption (VPSA) processes.Type: GrantFiled: March 27, 2008Date of Patent: August 31, 2010Assignee: Praxair Technology, Inc.Inventors: Michael S. Manning, James Smolarek, Ahmed Abdelwahab, Murali Chinta
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Publication number: 20100077920Abstract: The present invention relates to a dual feed and dual vacuum four bed VPSA process for selectively adsorbing a component from a feed stream, e.g., nitrogen from air, to produce an oxygen-enriched gas stream using a multi-port indexing drum valve, a system comprising a multi-port indexing drum valve and method for operating such a system.Type: ApplicationFiled: September 30, 2008Publication date: April 1, 2010Inventors: MOHAMED SAFDAR ALLIE BAKSH, Michael S. Manning, Ashwin Desai, Preeti Chandra, Paul William Belanger
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Publication number: 20090241771Abstract: Systems and processes are provided for gas separation using high-speed permanent magnet variable-speed motors to accelerate and decelerate centrifugal compressors suitable for use in pressure swing adsorption (PSA) or vacuum pressure swing adsorption (VPSA) processes.Type: ApplicationFiled: March 27, 2008Publication date: October 1, 2009Applicant: PRAXAIR TECHNOLOGY, INC.Inventors: Michael S. Manning, James Smolarek, Ahmed Abdelwahab, Murali Chinta
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Patent number: 7276107Abstract: The present invention relates to a PSA system using an indexing rotary dual valve regulating a stepping mode of operation that controls a variable bed inlet feed flow rate, controllable pressure between feed lines in different beds of the PSA system and varied output flow rate of product gas such as high purity hydrogen gas.Type: GrantFiled: December 23, 2003Date of Patent: October 2, 2007Assignee: Praxair Technology, Inc.Inventors: Mohamed Safdar Allie Baksh, Michael S. Manning, Andrew C. Rosinski, James Smolarek, Alan Barnard Stewart, Bernard Thomas Neu
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Patent number: 6792981Abstract: A method and apparatus for introducing a compressed gas into a pressure vessel, for instance, hydrogen into a vehicle fuel tank, in which hydrogen is compressed in an initial and final compressions stages which can be powered by a common source. The initial compression stage can continually operate to compress the gas in a lower pressure storage bank during the time that hydrogen is dispensed to a vehicle fuel tank. In time periods between dispensing, the gas from the lower pressure stage and from the lower pressure storage bank is compressed in the final compression stage and stored in a higher pressure storage bank. When the pressure vessel is to be filled, the compressor compresses the gas from the higher pressure storage bank to fill the vessel.Type: GrantFiled: April 9, 2003Date of Patent: September 21, 2004Assignee: Praxair Technology, Inc.Inventors: Michael S. Manning, James Smolarek, Robert B. Bollinger, Ahmed Abdelwahab