Patents by Inventor David Allen Clendenen
David Allen Clendenen 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: 12021462Abstract: Methods and systems for controlling an electric motor using a motor controller including a processor are provided. The method includes transmitting, by the processor, a no-spin signal commanding the electric motor not to spin, receiving temperature information associated with a temperature of the electric motor, comparing the temperature information to a predetermined threshold temperature to determine whether the temperature is at a sufficient level to prevent icing, and adjusting current applied to the electric motor when the temperature measurement is below the predetermined threshold.Type: GrantFiled: June 16, 2020Date of Patent: June 25, 2024Assignee: Regal Beloit America, Inc.Inventors: Zachary Joseph Stauffer, Mark Lyon Klopp, David Allen Clendenen, Ronald William Blotkamp, Maung Saw Eddison, Ludovic Andre Chretien
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Publication number: 20200313588Abstract: Methods and systems for controlling an electric motor using a motor controller including a processor are provided. The method includes transmitting, by the processor, a no-spin signal commanding the electric motor not to spin, receiving temperature information associated with a temperature of the electric motor, comparing the temperature information to a predetermined threshold temperature to determine whether the temperature is at a sufficient level to prevent icing, and adjusting current applied to the electric motor when the temperature measurement is below the predetermined threshold.Type: ApplicationFiled: June 16, 2020Publication date: October 1, 2020Inventors: Zachary Joseph Stauffer, Mark Lyon Klopp, David Allen Clendenen, Ronald William Blotkamp, Maung Saw Eddison, Ludovic Andre Chretien
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Patent number: 10720867Abstract: Methods and systems for controlling an electric motor using a motor controller including a processor are provided. The method includes transmitting, by the processor, a no-spin signal commanding the electric motor not to spin, receiving temperature information associated with a temperature of the electric motor, comparing the temperature information to a predetermined threshold temperature to determine whether the temperature is at a sufficient level to prevent icing, and adjusting current applied to the electric motor when the temperature measurement is below the predetermined threshold.Type: GrantFiled: October 20, 2015Date of Patent: July 21, 2020Assignee: REGAL BELOIT AMERICA, INC.Inventors: Zachary Joseph Stauffer, Mark Lyon Klopp, David Allen Clendenen, Ronald William Blotkamp, Maung Saw Eddison, Ludovic Andre Chretien
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Patent number: 10236805Abstract: Methods and systems for controlling an electric motor are provided. An electric motor controller is configured to be coupled to an electric motor. The controller includes a rectifier, an inverter coupled to the rectifier, and a control unit coupled to the inverter. The rectifier is configured to rectify an alternating current (AC) input voltage to produce a pulsed direct current (DC) voltage that drops to approximately zero during each cycle when the AC input voltage transits zero. Energy is stored on a load coupled to the motor when AC input voltage is available. The inverter is configured to receive the DC voltage and to provide a conditioned output voltage to the motor. The control unit is configured to manage energy transfer between the motor and the load such that the motor generates positive torque when the DC voltage supplied to the inverter has approximately 100% voltage ripple.Type: GrantFiled: February 16, 2015Date of Patent: March 19, 2019Assignee: Regal Beloit America, Inc.Inventors: Roger Carlos Becerra, Ludovic Andre Chretien, Glen C. Young, David Allen Clendenen, Yao Da
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Patent number: 9735725Abstract: Protection of an electric motor drive controller from a transient voltage is described herein. The transient voltage is provided by an alternating current (AC) power line that includes a line conductor, a neutral conductor, and a ground conductor. The transient voltage protection system includes a first stage protection device coupled to an input of a rectifier of the motor drive controller. The first stage protection device is configured to suppress the transient voltage to prevent damage to the motor drive controller. The transient voltage protection system also includes a second stage protection device coupled between the rectifier and an inverter of the motor drive controller. The second stage protection device is configured to further suppress the transient voltage to prevent damage to the inverter.Type: GrantFiled: January 21, 2014Date of Patent: August 15, 2017Assignee: Regal Beloit America, Inc.Inventors: David Allen Clendenen, Yao Da, Ludovic Andre Chretien, Ming Li, Steven P. Richardville, Roger Carlos Becerra, Glen Chester Young
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Publication number: 20170111005Abstract: Methods and systems for controlling an electric motor using a motor controller including a processor are provided. The method includes transmitting, by the processor, a no-spin signal commanding the electric motor not to spin, receiving temperature information associated with a temperature of the electric motor, comparing the temperature information to a predetermined threshold temperature to determine whether the temperature is at a sufficient level to prevent icing, and adjusting current applied to the electric motor when the temperature measurement is below the predetermined threshold.Type: ApplicationFiled: October 20, 2015Publication date: April 20, 2017Inventors: ZACHARY JOSEPH STAUFFER, Mark Lyon Klopp, David Allen Clendenen, Ronald William Blotkamp, Maung Saw Eddison, Ludovic Andre Chretien
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Patent number: 9431881Abstract: A housing for enclosing electronics of a motor having an axis of rotation is provided. The housing includes an end cap having an outer surface and an inner surface. A control board is coupled to the inner surface, wherein the printed circuit board includes a first side, a second side and an edge located between the first side and the second side. The housing further includes a first circuit coupled to the first side which includes a plurality of first electrical components. Each first electrical component includes a tab extending beyond the edge. A second circuit is coupled to the second side and a fastener assembly is coupled to the tab and the inner surface.Type: GrantFiled: March 15, 2013Date of Patent: August 30, 2016Assignee: REGAL BELOIT AMERICA, INC.Inventors: David Allen Clendenen, Michael A. Marks, Peter B. Lytle, Harold Clifton Kingrey, Steven P. Richardville
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Publication number: 20150207449Abstract: Protection of an electric motor drive controller from a transient voltage is described herein. The transient voltage is provided by an alternating current (AC) power line that includes a line conductor, a neutral conductor, and a ground conductor. The transient voltage protection system includes a first stage protection device coupled to an input of a rectifier of the motor drive controller. The first stage protection device is configured to suppress the transient voltage to prevent damage to the motor drive controller. The transient voltage protection system also includes a second stage protection device coupled between the rectifier and an inverter of the motor drive controller. The second stage protection device is configured to further suppress the transient voltage to prevent damage to the inverter.Type: ApplicationFiled: January 21, 2014Publication date: July 23, 2015Applicant: Regal Beloit America, Inc.Inventors: David Allen Clendenen, Yao Da, Ludovic Andre Chretien, Ming Li, Steven P. Richardville, Roger Carlos Becerra, Glen Chester Young
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Publication number: 20150162859Abstract: Methods and systems for controlling an electric motor are provided. An electric motor controller is configured to be coupled to an electric motor. The controller includes a rectifier, an inverter coupled to the rectifier, and a control unit coupled to the inverter. The rectifier is configured to rectify an alternating current (AC) input voltage to produce a pulsed direct current (DC) voltage that drops to approximately zero during each cycle when the AC input voltage transits zero. Energy is stored on a load coupled to the motor when AC input voltage is available. The inverter is configured to receive the DC voltage and to provide a conditioned output voltage to the motor. The control unit is configured to manage energy transfer between the motor and the load such that the motor generates positive torque when the DC voltage supplied to the inverter has approximately 100% voltage ripple.Type: ApplicationFiled: February 16, 2015Publication date: June 11, 2015Inventors: ROGER CARLOS BECERRA, Ludovic Andre Chretien, Glen C. Young, David Allen Clendenen, Yao Da
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Patent number: 8981686Abstract: An electric motor controller is configured to be coupled to an electric motor. The controller includes an inverter and a control unit coupled to the inverter. The inverter is configured to receive an input voltage and to provide a conditioned output voltage to the electric motor. The control unit is configured to control the electric motor to produce positive torque when direct current (DC) link voltage has a 100% voltage ripple. Methods for controlling an electric motor using the electric motor controller are also provided.Type: GrantFiled: January 24, 2013Date of Patent: March 17, 2015Assignee: Regal Beloit America, Inc.Inventors: Roger Carlos Becerra, Ludovic Andre Chretien, Glen C. Young, David Allen Clendenen, Yao Da
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Publication number: 20150061441Abstract: An electric machine includes a machine housing and a stator disposed at least partially within the housing. The electric machine also includes a radially embedded permanent magnet rotor disposed at least partially within the housing and an endcap. The rotor has at least one radially embedded permanent magnet that is configured to provide increased flux to reduce motor efficiency loss. The endcap is operably connected to a distal portion of the rotor.Type: ApplicationFiled: August 21, 2014Publication date: March 5, 2015Inventors: Daniel Shawn Figgins, Harold Clifton Kingrey, Michael Allen Marks, Jeffrey Alan Hall, Subhash Marutirao Brahmavar, Alan Jacob Manz, David Allen Clendenen, Rafal Pawel Rohoza
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Patent number: 8963478Abstract: Protection of a motor controller from a transient voltage and/or an over-voltage condition is described. A drive circuit includes a rectifier portion and at least one inductive device coupled to the rectifier portion. The drive circuit further includes at least one voltage clamping device coupled in parallel with the at least one inductive device, and at least one switching device configured to open as a function of a direct current (DC) link voltage value.Type: GrantFiled: October 25, 2012Date of Patent: February 24, 2015Assignee: Regal Beloit America, Inc.Inventors: Roger Carlos Becerra, Yao Da, David Allen Clendenen
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Publication number: 20140265748Abstract: A housing for enclosing electronics of a motor having an axis of rotation is provided. The housing includes an end cap having an outer surface and an inner surface. A control board is coupled to the inner surface, wherein the printed circuit board includes a first side, a second side and an edge located between the first side and the second side. The housing further includes a first circuit coupled to the first side which includes a plurality of first electrical components. Each first electrical component includes a tab extending beyond the edge. A second circuit is coupled to the second side and a fastener assembly is coupled to the tab and the inner surface.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: REGAL BELOIT AMERICA, INC.Inventors: David Allen Clendenen, Michael A. Marks, Peter B. Lytle, Harold Clifton Kingrey, Steven P. Richardville
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Publication number: 20140203755Abstract: An electric motor controller is configured to be coupled to an electric motor. The controller includes an inverter and a control unit coupled to the inverter. The inverter is configured to receive an input voltage and to provide a conditioned output voltage to the electric motor. The control unit is configured to control the electric motor to produce positive torque when direct current (DC) link voltage has a 100% voltage ripple. Methods for controlling an electric motor using the electric motor controller are also provided.Type: ApplicationFiled: January 24, 2013Publication date: July 24, 2014Applicant: Regal Beloit America, Inc.Inventors: ROGER CARLOS BECERRA, Ludovic Andre Chretien, Glen C. Young, David Allen Clendenen, Yao Da
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Publication number: 20140118867Abstract: Protection of a motor controller from a transient voltage and/or an over-voltage condition is described. A drive circuit includes a rectifier portion and at least one inductive device coupled to the rectifier portion. The drive circuit further includes at least one voltage clamping device coupled in parallel with the at least one inductive device, and at least one switching device configured to open as a function of a direct current (DC) link voltage value.Type: ApplicationFiled: October 25, 2012Publication date: May 1, 2014Applicant: Regal Beloit America, Inc.Inventors: Roger Carlos Becerra, Yao Da, David Allen Clendenen