Patents by Inventor Michael G. Norris
Michael G. Norris 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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Publication number: 20240129503Abstract: Described herein is a data processing system having a multisample antialiasing compressor coupled to a texture unit and shader execution array. In one embodiment, the data processing system includes a memory device to store a multisample render target, the multisample render target to store color data for a set of sample locations of each pixel in a set of pixels; and general-purpose graphics processor comprising a multisample antialiasing compressor to apply multisample antialiasing compression to color data generated for the set of sample locations of a first pixel in the set of pixels and a multisample render cache to store color data generated for the set of sample locations of the first pixel in the set of pixels, wherein color data evicted from the multisample render cache is to be stored to the multisample render target.Type: ApplicationFiled: October 23, 2023Publication date: April 18, 2024Applicant: Intel CorporationInventors: Prasoonkumar Surti, Abhishek R. Appu, Michael J. Norris, Eric G. Liskay
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Publication number: 20230390472Abstract: Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of the diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater element.Type: ApplicationFiled: August 7, 2023Publication date: December 7, 2023Applicant: DEKA Products Limited PartnershipInventors: David A. Beavers, Michael G. Norris, John M. Kerwin, Andrew S. Coll, Paul G. Girouard, Robert J. Bryant, JR., Geoffrey P. Spencer, Joseph P. Rushlow, Jacob W. Scarpaci
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Patent number: 11752248Abstract: Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of the diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater element.Type: GrantFiled: January 14, 2019Date of Patent: September 12, 2023Assignee: DEKA Products Limited PartnershipInventors: David A. Beavers, Michael G. Norris, John M. Kerwin, Andrew S. Coll, Paul G. Girouard, Robert J. Bryant, Jr., Geoffrey P. Spencer, Joseph P. Rushlow, Jacob W. Scarpaci
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Patent number: 11400272Abstract: Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections of an apparatus being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of the diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber.Type: GrantFiled: August 24, 2018Date of Patent: August 2, 2022Assignee: DEKA Products Limited PartnershipInventors: Michael G. Norris, Jacob W. Scarpaci, Robert J. Bryant, Jr., Geoffrey P. Spencer, David J. Hibbard, James D. Dale, John M. Kerwin, Andrew S. Coll, David A. Beavers, David W. McGill, Simon C. Helmore, David B. Doherty, Edgar J. Bolton, Jinsun Yoo, Paul G. Girouard, Daniel S. Karol, Daniel B. Singer, Joseph P. Rushlow
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Patent number: 11339743Abstract: A Stirling cycle machine with a liquid fuel/gaseous fuel burner. The burner may include a preheater to capture the thermal energy of the exhaust. The burner directs the preheated air to each burner head, where it enters a prechamber. Each burner head includes a fuel nozzle that directs liquid or gaseous fuel into the prechamber. The prechamber is fluidically connected to a combustion chamber via a prechamber nozzle that has a smaller opening than the prechamber. The burner head ignites the fuel air mixture in the prechamber with an ignitor located above or within the prechamber. The flame is initially lit as a diffusion flame in the prechamber. The flame is pushed out of the prechamber into the combustion chamber by an increased air flow rate. The liquid fuel from the nozzle now evaporates in the prechamber and forms a prevaporized flame in the combustion chamber.Type: GrantFiled: September 1, 2017Date of Patent: May 24, 2022Assignee: New Power Concepts LLCInventors: Michael G. Norris, Felix Winkler, Christopher C. Langenfeld
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Publication number: 20210316058Abstract: A system for detecting whether a vascular access has been interrupted in an arrangement in which two catheters or needles are present in a blood vessel, fistula or graft. A fluid line leading to a pump is connected via a first connector to a first indwelling catheter, and a fluid line leading from a pump is connected via a second connector to a second indwelling catheter. Each connector is equipped with an electrode in contact with the lumen of the connector, the electrodes electrically connected to an electronic circuit that measures the impedance or conductivity of fluid between the first connector and second connectors via a fluid path through the blood vessel, fistula or graft. An electronic controller receives the impedance or conductivity data and processes the data to determine whether a vascular access disconnection has occurred.Type: ApplicationFiled: June 14, 2021Publication date: October 14, 2021Applicant: DEKA Products Limited PartnershipInventors: Dirk A. van der Merwe, Michael G. Norris, Michael A. Baker, Todd A. Ballantyne, Michael J. Wilt
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Patent number: 11033671Abstract: A system for detecting whether a vascular access has been interrupted in an arrangement in which two catheters or needles are present in a blood vessel, fistula or graft. A fluid line leading to a pump is connected via a first connector to a first indwelling catheter, and a fluid line leading from a pump is connected via a second connector to a second indwelling catheter. Each connector is equipped with an electrode in contact with the lumen of the connector, the electrodes electrically connected to an electronic circuit that measures the impedance or conductivity of fluid between the first connector and second connectors via a fluid path through the blood vessel, fistula or graft. An electronic controller receives the impedance or conductivity data and processes the data to determine whether a vascular access disconnection has occurred.Type: GrantFiled: June 18, 2018Date of Patent: June 15, 2021Assignee: DEKA Products Limited PartnershipInventors: Dirk A. van der Merwe, Michael G. Norris, Michael A. Baker, Todd A. Ballantyne, Michael J. Wilt
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Publication number: 20190321535Abstract: Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections of the apparatus being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of a diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater.Type: ApplicationFiled: January 14, 2019Publication date: October 24, 2019Applicant: DEKA Products Limited PartnershipInventors: David A. Beavers, Michael G. Norris, John M. Kerwin, Andrew S. Coll, Paul G. Girouard, Robert J. Bryant, JR., Geoffrey P. Spencer, Joseph P. Rushlow, Jacob W. Scarpaci
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Publication number: 20190060629Abstract: Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections of the apparatus being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of a diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater.Type: ApplicationFiled: August 24, 2018Publication date: February 28, 2019Applicant: DEKA Products Limited PartnershipInventors: Michael G. Norris, Jacob W. Scarpaci, Robert J. Bryant, JR., Geoffrey P. Spencer, David J. Hibbard, James D. Dale, John M. Kerwin, Andrew S. Coll, David A. Beavers, David W. McGill, Simon C. Helmore, David B. Doherty, Edgar J. Bolton, Jinsun Yoo, Paul G. Girouard, Daniel S. Karol, Daniel B. Singer, Joseph P. Rushlow
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Patent number: 10201647Abstract: Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections of the apparatus being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of a diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater.Type: GrantFiled: June 5, 2015Date of Patent: February 12, 2019Assignee: DEKA Products Limited PartnershipInventors: Michael G. Norris, Jacob W. Scarpaci, Robert J. Bryant, Jr., Geoffrey P. Spencer, David J. Hibbard, James D. Dale, John M. Kerwin, Andrew S. Coll, David A. Beavers, David W. McGill, Simon C. Helmore, David B. Doherty, Edgar J. Bolton, Jinsun Yoo, Paul G. Girouard, Daniel S. Karol, Daniel B. Singer, Joseph P. Rushlow
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Publication number: 20180296746Abstract: A system for detecting whether a vascular access has been interrupted in an arrangement in which two catheters or needles are present in a blood vessel, fistula or graft. A fluid line leading to a pump is connected via a first connector to a first indwelling catheter, and a fluid line leading from a pump is connected via a second connector to a second indwelling catheter. Each connector is equipped with an electrode in contact with the lumen of the connector, the electrodes electrically connected to an electronic circuit that measures the impedance or conductivity of fluid between the first connector and second connectors via a fluid path through the blood vessel, fistula or graft. An electronic controller receives the impedance or conductivity data and processes the data to determine whether a vascular access disconnection has occurred.Type: ApplicationFiled: June 18, 2018Publication date: October 18, 2018Applicant: Deka Products Limited PartnershipInventors: Dirk A. van der Merwe, Michael G. Norris, Michael A. Baker, Todd A. Ballantyne, Michael J. Wilt
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Publication number: 20180274482Abstract: An external combustion engine including a burner element, a heater head, a piston cylinder containing a piston, a cooler and a crankcase. The crankcase includes a crankshaft, a piston rod connected to the piston, a drive mechanism for converting the linear motion of the piston rod to rotary motion of the crankshaft and a linear cross-head bearing that is connected rigidly to the piston rod at one end and to the drive mechanism at the other end. Also the external combustion engine includes a piston clearance seal and a piston rod seal unit that has floating rod seals. The piston includes a inner dome to reduce axial heat transfer via radiation and convection.Type: ApplicationFiled: October 23, 2017Publication date: September 27, 2018Inventors: Michael G. Norris, Felix Winkler, Andrew A. Schnellinger
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Patent number: 10072607Abstract: An annular venturi burner assembly and Stirling engine. The annular venturi burner injects fuel into combustion air flowing axially through a port with an annular cross section. The fuel enters the annular cross-section from the outside diameter. The flow of air through the annular section creates suction that draws the fuel through the ports. A venturi bushing directs the flow of fuel to provide improved and more uniform mixing of fuel and air.Type: GrantFiled: November 25, 2014Date of Patent: September 11, 2018Assignee: New Power Concepts LLCInventors: Christopher C. Langenfeld, Michael S. Place, Jeremy B. Lund, Prashant Bhat, Michael G. Norris, Andrew A. Schnellinger
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Patent number: 10058694Abstract: Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections of the apparatus being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of a diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater.Type: GrantFiled: June 5, 2015Date of Patent: August 28, 2018Assignee: DEKA Products Limited PartnershipInventors: Michael G. Norris, Jacob W. Scarpaci, Robert J. Bryant, Jr., Geoffrey P. Spencer, David J. Hibbard, James D. Dale, John M. Kerwin, Andrew S. Coll, David A. Beavers, David W. McGill, Simon C. Helmore, David B. Doherty, Edgar J. Bolton, Jinsun Yoo, Paul G. Girouard, Daniel S. Karol, Daniel B. Singer, Joseph P. Rushlow
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Publication number: 20180179988Abstract: A Stirling cycle machine with a liquid fuel/gaseous fuel burner. The burner may include a preheater to capture the thermal energy of the exhaust. The burner directs the preheated air to each burner head, where it enters a prechamber. Each burner head includes a fuel nozzle that directs liquid or gaseous fuel into the prechamber. The prechamber is fluidically connected to a combustion chamber via a prechamber nozzle that has a smaller opening than the prechamber. The burner head ignites the fuel air mixture in the prechamber with an ignitor located above or within the prechamber. The flame is initially lit as a diffusion flame in the prechamber. The flame is pushed out of the prechamber into the combustion chamber by an increased air flow rate. The liquid fuel from the nozzle now evaporates in the prechamber and forms a prevaporized flame in the combustion chamber.Type: ApplicationFiled: September 1, 2017Publication date: June 28, 2018Inventors: Michael G. Norris, Felix Winkler
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Patent number: 10001079Abstract: An improvement is provided to a pressurized close-cycle machine that has a cold-end pressure vessel and is of the type having a piston undergoing reciprocating linear motion within a cylinder containing a working fluid heated by conduction through a heater head by heat from an external thermal source. The improvement includes a heat exchanger for cooling the working fluid, where the heat exchanger is disposed within the cold-end pressure vessel. The heater head may be directly coupled to the cold-end pressure vessel by welding or other methods. A coolant tube is used to convey coolant through the heat exchanger.Type: GrantFiled: October 5, 2015Date of Patent: June 19, 2018Assignee: DEKA Products Limited PartnershipInventors: Jonathan Strimling, Clement D. Bouchard, Thomas Q. Gurski, Christopher C. Lagenfeld, Michael G. Norris, Ryan K. LaRocque
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Patent number: 9999717Abstract: A system for detecting whether a vascular access has been interrupted in an arrangement in which two catheters or needles are present in a blood vessel, fistula or graft. A fluid line leading to a pump is connected via a first connector to a first indwelling catheter, and a fluid line leading from a pump is connected via a second connector to a second indwelling catheter. Each connector is equipped with an electrode in contact with the lumen of the connector, the electrodes electrically connected to an electronic circuit that measures the impedance or conductivity of fluid between the first connector and second connectors via a fluid path through the blood vessel, fistula or graft. An electronic controller receives the impedance or conductivity data and processes the data to determine whether a vascular access disconnection has occurred.Type: GrantFiled: May 27, 2015Date of Patent: June 19, 2018Assignee: DEKA Products Limited PartnershipInventors: Dirk A. van der Merwe, Michael G. Norris, Michael A. Baker, Todd A. Ballantyne, Michael J. Wilt
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Patent number: 9823024Abstract: A Stirling cycle machine. The machine includes at least one rocking drive mechanism including a rocking beam having a rocker pivot, at least one cylinder and at least one piston. The piston is housed within a respective cylinder and is capable of substantially linearly reciprocating within the respective cylinder. The drive mechanism includes at least one coupling assembly. Also, a crankcase housing the rocking beam and housing a first portion of the coupling assembly is included. The machine also includes a working space housing the at least one cylinder, the at least one piston and a second portion of the coupling assembly. An airlock is included between the workspace and the crankcase and a seal is included for sealing the workspace from the airlock and crankcase. A burner and burner control system is also included for heating the machine and controlling ignition and combustion in the burner.Type: GrantFiled: July 1, 2010Date of Patent: November 21, 2017Assignee: New Power Concepts LLCInventors: Dean Kamen, Christopher C. Langenfeld, Prashant Bhat, Michael G. Norris, Stanley B. Smith, III, Christopher M. Werner, David J. Peretz, Brian H. Yoo, Felix Winkler
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Patent number: 9822730Abstract: A piston rod seal unit. The piston rod seal unit includes a housing, a cylinder gland, and at least one floating rod seal assembly mounted in the cylinder gland, the floating rod seal assembly comprising at least one rod seal mounted onto the floating rod seal assembly.Type: GrantFiled: March 15, 2013Date of Patent: November 21, 2017Assignee: New Power Concepts, LLCInventors: Dean Kamen, Christopher C. Langenfeld, Prashant Bhat, Michael G. Norris
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Patent number: 9797340Abstract: A Stirling cycle machine. The machine includes at least one rocking drive mechanism which includes: a rocking beam having a rocker pivot, at least one cylinder and at least one piston. The piston is housed within a respective cylinder and is capable of substantially linearly reciprocating within the respective cylinder. Also, the drive mechanism includes at least one coupling assembly having a proximal end and a distal end. The linear motion of the piston is converted to rotary motion of the rocking beam. Also, a crankcase housing the rocking beam and housing a first portion of the coupling assembly is included. The machine also includes a working space housing the at least one cylinder, the at least one piston and a second portion of the coupling assembly. An airlock is included between the workspace and the crankcase and a seal is included for sealing the workspace from the airlock and crankcase.Type: GrantFiled: June 30, 2014Date of Patent: October 24, 2017Assignee: New Power Concepts LLCInventors: Dean Kamen, Christopher C. Langenfeld, Prashant Bhat, Michael G. Norris, Stanley B. Smith, III, Christopher M. Werner