Patents by Inventor Marcelo Andrade Dias
Marcelo Andrade Dias 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: 11712943Abstract: A climate control system for use in a transport vehicle is disclosed. The climate control system includes a variable speed electric load, a controller configured to determine a load of the variable speed electric load, and a battery pack voltage configurator circuit. The battery pack voltage configurator circuit includes a first battery bank providing a first voltage and a first current, a second battery bank providing a second voltage and a second current, and a plurality of switches. The controller is configured to control the plurality of switches based on the determined load of the variable speed electric load. The battery pack voltage configurator circuit is configured to provide an output voltage and an output current to drive the variable speed electric load. The output voltage and the output current vary in magnitude based on the control of the plurality of switches.Type: GrantFiled: August 30, 2021Date of Patent: August 1, 2023Assignee: THERMO KING LLCInventors: Marcelo Andrade Dias, Ryan Wayne Schumacher
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Patent number: 11554633Abstract: A closed loop feedback control and diagnostics system for a transport climate control system is provided. The closed loop feedback control and diagnostics system includes a plurality of source current sensors configured to monitor current received from a high voltage three-phase AC power source. The closed loop feedback control and diagnostics system also includes a plurality of compressor current sensors configured to monitor current drawn by an electrically powered compressor of the transport climate control system. The closed loop feedback control and diagnostics system also includes a controller configured to receive source current signals from each of the plurality of source current sensors, configured to receive compressor current signals from each of the plurality of compressor current sensors, and configured to control operation of the transport climate control system based on the received source current signals and the received compressor current signals.Type: GrantFiled: August 20, 2020Date of Patent: January 17, 2023Assignee: THERMO KING LLCInventor: Marcelo Andrade Dias
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Patent number: 11458802Abstract: An optimized power converter for use in a transport electrical system that provides power to a transport climate control system is provided. The optimized power converter includes an optimized DC/DC converter and an inverter/active rectifier. The optimized DC/DC converter is only boosts a voltage level when current is directed from a rechargeable energy storage to the inverter/active rectifier and only bucks a voltage level when current is directed from the inverter/active rectifier to the rechargeable energy storage. In a charging mode, the inverter/active rectifier converts three phase AC power into DC power, and the optimized power converter bucks the DC power to a voltage level that is acceptable for charging the rechargeable energy storage. In a discharge mode, the optimized DC/DC converter boosts voltage from the rechargeable energy storage, and the inverter/active rectifier converts boosted DC power into three phase AC power for powering a transport climate control system load.Type: GrantFiled: September 9, 2019Date of Patent: October 4, 2022Assignee: Thermo King CorporationInventors: Marcelo Andrade Dias, Ryan Wayne Schumacher, Mark D. Leasure, Vikram Madineni, Alexander Iglizn, Matthias Gorski
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Publication number: 20220055445Abstract: A closed loop feedback control and diagnostics system for a transport climate control system is provided. The closed loop feedback control and diagnostics system includes a plurality of source current sensors configured to monitor current received from a high voltage three-phase AC power source. The closed loop feedback control and diagnostics system also includes a plurality of compressor current sensors configured to monitor current drawn by an electrically powered compressor of the transport climate control system. The closed loop feedback control and diagnostics system also includes a controller configured to receive source current signals from each of the plurality of source current sensors, configured to receive compressor current signals from each of the plurality of compressor current sensors, and configured to control operation of the transport climate control system based on the received source current signals and the received compressor current signals.Type: ApplicationFiled: August 20, 2020Publication date: February 24, 2022Inventor: Marcelo Andrade Dias
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Publication number: 20220048360Abstract: A climate control system for use in a transport vehicle is disclosed. The climate control system includes a variable speed electric load, a controller configured to determine a load of the variable speed electric load, and a battery pack voltage configurator circuit. The battery pack voltage configurator circuit includes a first battery bank providing a first voltage and a first current, a second battery bank providing a second voltage and a second current, and a plurality of switches. The controller is configured to control the plurality of switches based on the determined load of the variable speed electric load. The battery pack voltage configurator circuit is configured to provide an output voltage and an output current to drive the variable speed electric load. The output voltage and the output current vary in magnitude based on the control of the plurality of switches.Type: ApplicationFiled: August 30, 2021Publication date: February 17, 2022Inventors: Marcelo Andrade Dias, Ryan Wayne Schumacher
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Patent number: 11135894Abstract: A climate control system for use in a transport vehicle is disclosed. The climate control system includes a variable speed electric load, a controller configured to determine a load of the variable speed electric load, and a battery pack voltage configurator circuit. The battery pack voltage configurator circuit includes a first battery bank providing a first voltage and a first current, a second battery bank providing a second voltage and a second current, and a plurality of switches. The controller is configured to control the plurality of switches based on the determined load of the variable speed electric load. The battery pack voltage configurator circuit is configured to provide an output voltage and an output current to drive the variable speed electric load. The output voltage and the output current vary in magnitude based on the control of the plurality of switches.Type: GrantFiled: September 9, 2019Date of Patent: October 5, 2021Assignee: Thermo King CorporationInventors: Marcelo Andrade Dias, Ryan Wayne Schumacher
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Patent number: 11128247Abstract: An inverter-converter system includes a DC source, a DC to DC boost converter, a DC link capacitor, an inverter circuit, a variable speed electric machine, and a controller. The DC to DC boost converter receives an input DC voltage from the DC source. The inverter circuit converts the variable boosted voltage to an AC voltage to drive the variable speed electric machine. The controller senses a plurality of parameters from the variable speed electric machine, and controls the DC to DC boost converter to boost up the input DC voltage to a variable output voltage based on the plurality of parameters and/or the voltage (or load) needed by the variable speed electric machine. The design of the inverter-converter system can achieve an electrical efficiency and cost savings for the overall system.Type: GrantFiled: November 7, 2018Date of Patent: September 21, 2021Assignee: Thermo King CorporationInventors: Ryan Wayne Schumacher, Marcelo Andrade Dias
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Patent number: 11085686Abstract: Methods and systems for detecting and correcting improper operation of a compressor in a refrigeration system and/or an HVAC system include a component level detection and prevention and a system level detection and prevention. The system level detection and prevention can be a backup or a confirmation of the component level detection and prevention. The component level detection and prevention can detect and prevent improper compressor operation within a predetermined time so that the compressor's operation period in an improper direction can be minimized, thereby minimizing wear and damage to the compressor.Type: GrantFiled: December 16, 2019Date of Patent: August 10, 2021Assignee: Thermo King CorporationInventors: Ryan Wayne Schumacher, Russell L. Sanders, Michael James Vanous, Marcelo Andrade Dias
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Publication number: 20210070135Abstract: A climate control system for use in a transport vehicle is disclosed. The climate control system includes a variable speed electric load, a controller configured to determine a load of the variable speed electric load, and a battery pack voltage configurator circuit. The battery pack voltage configurator circuit includes a first battery bank providing a first voltage and a first current, a second battery bank providing a second voltage and a second current, and a plurality of switches. The controller is configured to control the plurality of switches based on the determined load of the variable speed electric load. The battery pack voltage configurator circuit is configured to provide an output voltage and an output current to drive the variable speed electric load. The output voltage and the output current vary in magnitude based on the control of the plurality of switches.Type: ApplicationFiled: September 9, 2019Publication date: March 11, 2021Inventors: Marcelo Andrade Dias, Ryan Wayne Schumacher
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Publication number: 20210070137Abstract: An optimized power converter for use in a transport electrical system that provides power to a transport climate control system is provided. The optimized power converter includes an optimized DC/DC converter and an inverter/active rectifier. The optimized DC/DC converter is only boosts a voltage level when current is directed from a rechargeable energy storage to the inverter/active rectifier and only bucks a voltage level when current is directed from the inverter/active rectifier to the rechargeable energy storage. In a charging mode, the inverter/active rectifier converts three phase AC power into DC power, and the optimized power converter bucks the DC power to a voltage level that is acceptable for charging the rechargeable energy storage. In a discharge mode, the optimized DC/DC converter boosts voltage from the rechargeable energy storage, and the inverter/active rectifier converts boosted DC power into three phase AC power for powering a transport climate control system load.Type: ApplicationFiled: September 9, 2019Publication date: March 11, 2021Inventors: Marcelo Andrade Dias, Ryan Wayne Schumacher, Mark D. Leasure, Vikram Madineni, Alexander Iglizn, Matthias Gorski
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Patent number: 10870333Abstract: Methods and systems for reconfigurable utility power with passive voltage booster for a transport climate control system are provided. The transport climate control system includes a passive boost circuit. The system also includes a controller configured to determine whether the passive boost circuit is connected to one of a first utility power and a second utility power. The controller instructs the passive boost circuit to operate in a first configuration when the passive boost circuit is connected to the first utility power and instructs the passive boost circuit to operate in a second configuration when the passive boost circuit is connected to the second utility power. The system further includes a load such as a motor. The load can drive a device such as a compressor, a fan, etc. The load is connected to the passive boost circuit and configured to receive power from the passive boost circuit.Type: GrantFiled: October 31, 2018Date of Patent: December 22, 2020Assignee: Thermo King CorporationInventors: Ryan Wayne Schumacher, Marcelo Andrade Dias, Esteban Canade Tarquini
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Publication number: 20200136504Abstract: Methods and systems for reconfigurable utility power with passive voltage booster for a transport climate control system are provided. The transport climate control system includes a passive boost circuit. The system also includes a controller configured to determine whether the passive boost circuit is connected to one of a first utility power and a second utility power. The controller instructs the passive boost circuit to operate in a first configuration when the passive boost circuit is connected to the first utility power and instructs the passive boost circuit to operate in a second configuration when the passive boost circuit is connected to the second utility power. The system further includes a load such as a motor. The load can drive a device such as a compressor, a fan, etc. The load is connected to the passive boost circuit and configured to receive power from the passive boost circuit.Type: ApplicationFiled: October 31, 2018Publication date: April 30, 2020Inventors: Ryan Wayne SCHUMACHER, Marcelo ANDRADE DIAS, Esteban CANADE TARQUINI
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Publication number: 20200116406Abstract: Methods and systems for detecting and correcting improper operation of a compressor in a refrigeration system and/or an HVAC system include a component level detection and prevention and a system level detection and prevention. The system level detection and prevention can be a backup or a confirmation of the component level detection and prevention. The component level detection and prevention can detect and prevent improper compressor operation within a predetermined time so that the compressor's operation period in an improper direction can be minimized, thereby minimizing wear and damage to the compressor.Type: ApplicationFiled: December 16, 2019Publication date: April 16, 2020Inventors: Ryan Wayne SCHUMACHER, Russell L. SANDERS, Michael James VANOUS, Marcelo ANDRADE DIAS
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Patent number: 10520234Abstract: Methods and systems for detecting and correcting improper operation of a compressor in a refrigeration system and/or an HVAC system include a component level detection and prevention and a system level detection and prevention. The system level detection and prevention can be a backup or a confirmation of the component level detection and prevention. The component level detection and prevention can detect and prevent improper compressor operation within a predetermined time so that the compressor's operation period in an improper direction can be minimized, thereby minimizing wear and damage to the compressor.Type: GrantFiled: May 8, 2017Date of Patent: December 31, 2019Assignee: Thermo King CorporationInventors: Ryan Wayne Schumacher, Russell L. Sanders, Michael James Vanous, Marcelo Andrade Dias
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Publication number: 20190074789Abstract: An inverter-converter system includes a DC source, a DC to DC boost converter, a DC link capacitor, an inverter circuit, a variable speed electric machine, and a controller. The DC to DC boost converter receives an input DC voltage from the DC source. The inverter circuit converts the variable boosted voltage to an AC voltage to drive the variable speed electric machine. The controller senses a plurality of parameters from the variable speed electric machine, and controls the DC to DC boost converter to boost up the input DC voltage to a variable output voltage based on the plurality of parameters and/or the voltage (or load) needed by the variable speed electric machine. The design of the inverter-converter system can achieve an electrical efficiency and cost savings for the overall system.Type: ApplicationFiled: November 7, 2018Publication date: March 7, 2019Inventors: Ryan Wayne SCHUMACHER, Marcelo ANDRADE DIAS
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Patent number: 10148212Abstract: An inverter-converter system includes a DC source, a DC to DC boost converter, a DC link capacitor, an inverter circuit, a variable speed electric machine, and a controller. The DC to DC boost converter receives an input DC voltage from the DC source. The inverter circuit converts the variable boosted voltage to an AC voltage to drive the variable speed electric machine. The controller senses a plurality of parameters from the variable speed electric machine, and controls the DC to DC boost converter to boost up the input DC voltage to a variable output voltage based on the plurality of parameters and/or the voltage (or load) needed by the variable speed electric machine. The design of the inverter-converter system can achieve an electrical efficiency and cost savings for the overall system.Type: GrantFiled: January 6, 2017Date of Patent: December 4, 2018Assignee: THERMO KING CORPORATIONInventors: Ryan Wayne Schumacher, Marcelo Andrade Dias
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Publication number: 20180320943Abstract: Methods and systems for detecting and correcting improper operation of a compressor in a refrigeration system and/or an HVAC system include a component level detection and prevention and a system level detection and prevention. The system level detection and prevention can be a backup or a confirmation of the component level detection and prevention. The component level detection and prevention can detect and prevent improper compressor operation within a predetermined time so that the compressor's operation period in an improper direction can be minimized, thereby minimizing wear and damage to the compressor.Type: ApplicationFiled: May 8, 2017Publication date: November 8, 2018Inventors: Ryan Wayne SCHUMACHER, Russell L. SANDERS, Michael James VANOUS, Marcelo ANDRADE DIAS
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Publication number: 20180198399Abstract: An inverter-converter system includes a DC source, a DC to DC boost converter, a DC link capacitor, an inverter circuit, a variable speed electric machine, and a controller. The DC to DC boost converter receives an input DC voltage from the DC source. The inverter circuit converts the variable boosted voltage to an AC voltage to drive the variable speed electric machine. The controller senses a plurality of parameters from the variable speed electric machine, and controls the DC to DC boost converter to boost up the input DC voltage to a variable output voltage based on the plurality of parameters and/or the voltage (or load) needed by the variable speed electric machine. The design of the inverter-converter system can achieve an electrical efficiency and cost savings for the overall system.Type: ApplicationFiled: January 6, 2017Publication date: July 12, 2018Inventors: Ryan Wayne SCHUMACHER, Marcelo ANDRADE DIAS
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Patent number: 8489358Abstract: The present invention refers to a method for determining loads in clothes washing machines which comprises the following steps: (E1) Acceleration of the mobile assembly of the washing machine until the mobile assembly reaches a low rotation speed; (E2) Acceleration of the mobile assembly until the mobile assembly reaches a medium rotation speed faster than the speed in the first step (E1); (E3) Deceleration; (E4) Acceleration of the mobile assembly and measurement of the engine current; (E5) Measurement, whereby parameters regarding the engine are measured; (E6) Shutdown of the engine and measurement of the deceleration time; (E7) Repetition, whereby the forth (E4), fifth (E5) and sixth (E6) steps are repeated at least once before the performance of the eighth step (E8); (E8) Calculation of the average of each one of the parameters measured in the fourth, fifth, sixth and seventh steps; and (E9) Obtainment of clothes load value.Type: GrantFiled: December 9, 2010Date of Patent: July 16, 2013Inventors: Andre Petronilho, Marcelo Andrade Dias
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Publication number: 20110202303Abstract: The present invention refers to a method for determining loads in clothes washing machines which comprises the following steps: method for measuring loads in clothes washing machines, characterized by comprising the following steps: (E1) Acceleration of the mobile assembly of the washing machine until the mobile assembly reaches a low rotation speed; (E2) Acceleration of the mobile assembly until the mobile assembly reaches a medium rotation speed faster than the speed in the first step (E1); (E3) Deceleration, whereby the engine which turns the mobile assembly is shutdown; (E4) Acceleration of the mobile assembly and measurement of the engine current, whereby the speed of the engine which turns the mobile assembly is increased up to a pre-determined rotation speed limit; (E5) Measurement, whereby parameters regarding the engine are measured; (E6) Shutdown of the engine and measurement of the deceleration time, whereby the said engine is turned off and turns via inertia, with the time spent from the shutdownType: ApplicationFiled: December 9, 2010Publication date: August 18, 2011Inventors: ANDRE PETRONILHO, Marcelo Andrade Dias