Patents by Inventor David Hein
David Hein 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: 11933698Abstract: A system includes an analysis system at a first location and one or more remote sampling systems at a second location remote from the first location. A sampling system can be configured to receive a remote liquid sample. The system also includes a sample transfer line configured to transport gas from the second location to the first location. The sample transfer line is configured to selectively couple with a remote sampling for supplying a continuous liquid sample segment to the sample transfer line. The system can further include a sample receiving line at the first location. The sample receiving line is configured to selectively couple with the sample transfer line and the analysis system to receive the continuous liquid sample segment and supply the sample to an analysis device.Type: GrantFiled: July 6, 2021Date of Patent: March 19, 2024Assignee: Elemental Scientific, Inc.Inventors: David Diaz, Jonathan Hein, Kyle W. Uhlmeyer, Daniel R. Wiederin, Tyler Yost, Kevin Wiederin
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Publication number: 20230264573Abstract: Methods and system are provided for protection against a short-circuit while charging an electric vehicle. In one example, a system for controlling charging of a vehicle includes a charge coupler and an integrated protection control box (IPCB). The IPCB including a fuse device, at least one temperature sensor for monitoring a temperature of the fuse device, a cooling system for cooling the fuse device, and a charging interface connector coupled to the at least one temperature sensor.Type: ApplicationFiled: January 23, 2023Publication date: August 24, 2023Inventors: David HEIN, Marc DAIGNEAULT, Hong YANG
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Patent number: 11558683Abstract: A sound system includes a seat including a seatback having a first dipole subwoofer, a second dipole subwoofer, a first speaker, and a second speaker; and a seat bottom having a third speaker. The first dipole subwoofer, the second dipole subwoofer, the first speaker, the second speaker, and/or the third speaker may be configured to receive audio signals from a receiver and provide sound corresponding to the audio signals toward an occupant position of the seat. The third speaker may be directed toward the seat back. The first dipole subwoofer, the second dipole subwoofer, the first speaker, the second speaker, and/or the third speaker may be configured to provide a sound zone for said occupant that facilitates (i) hearing of the sound by said occupant, and/or (ii) limiting transmission of the sound beyond the seat.Type: GrantFiled: December 2, 2020Date of Patent: January 17, 2023Assignee: Lear CorporationInventors: Arjun Yetukuri, David A. Hein, Kim Krulek, Peter Festag, Stefan Willems, Mladen Humer
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Patent number: 11411510Abstract: A direct current/alternating current (DC/AC) inverter system includes a primary DC-DC converter that receives an input DC voltage and a secondary DC/AC inverter. The primary DC-DC converter includes a plurality of switching networks and a plurality of transformers having a plurality of primary windings and a plurality of secondary windings. Characteristically, the plurality of secondary windings is arranged in series to provide a first output and a second output. A resonant LC circuit is connected in series with the first output and the second output. A rectifier rectifies an AC voltage between the first output and the second output to form a first rectified output. The secondary DC/AC inverter receives the first rectified output or filtered output thereof and provides a high voltage AC output. A controller mediates switching of the plurality of switching networks.Type: GrantFiled: January 24, 2020Date of Patent: August 9, 2022Assignee: LEAR CORPORATIONInventors: Seba Alnajjar, Tayler Jouja, Theodore Atanassov, David A. Hein
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Patent number: 11313917Abstract: An electric current sensor for detecting a leakage current from an electric vehicle charger. The current sensor includes a magnetic core having a gap formed therein, a first conductor wound around the magnetic core to form a first coil, a second conductor wound around the magnetic core to form a second coil, and a tunnel-magnetoresistance (TMR) sensor element arranged in the gap of the magnetic core. A difference between electric current flow in the first and second conductors produces a magnetic field in the gap of the magnetic core proportional to a leakage current, and the magnetic field produces a voltage in the TMR sensor element indicative of a value of the leakage current.Type: GrantFiled: May 13, 2020Date of Patent: April 26, 2022Assignee: LEAR CORPORATIONInventors: Steven Cong, David A Hein, Ajmal Imran Ansari, Anthony Armento, Arthur Hurlburt, Ryan Cleveland, Matthew Zamieski
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Publication number: 20220095811Abstract: A seat assembly with an adjustable head restraint assembly capable of being adjusted based on an approximate stature or spatial location of an occupant in the seat assembly. A seat assembly may include a sensor in the seat to detect if an occupant is present. The sensor may include a plurality of bladders and pressure sensors, a radar system, or a neuro-monitoring sensor. The sensor may send a signal to a controller indicating the presence of an occupant. The controller may approximate the size and/or spatial location of the occupant and send an adjustment signal to the head restraint adjustment mechanism to adjust the head restraint assembly to an in-use position. The controller may determine that an occupant is not present and send an adjustment signal to the head restraint adjustment mechanism to adjust the head restraint assembly to a non-use position.Type: ApplicationFiled: September 29, 2020Publication date: March 31, 2022Applicant: LEAR CORPORATIONInventors: Arjun YETUKURI, Sajad ARABNEJAD, Bradley C. DUNCAN, David A. HEIN, Mladen HUMER, Dean RINKE, David GALLAGHER
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Publication number: 20210356531Abstract: An electric current sensor for detecting a leakage current from an electric vehicle charger. The current sensor includes a magnetic core having a gap formed therein, a first conductor wound around the magnetic core to form a first coil, a second conductor wound around the magnetic core to form a second coil, and a tunnel-magnetoresistance (TMR) sensor element arranged in the gap of the magnetic core. A difference between electric current flow in the first and second conductors produces a magnetic field in the gap of the magnetic core proportional to a leakage current, and the magnetic field produces a voltage in the TMR sensor element indicative of a value of the leakage current.Type: ApplicationFiled: May 13, 2020Publication date: November 18, 2021Applicant: Lear CorporationInventors: STEVEN CONG, DAVID A HEIN, AJMAL IMRAN ANSARI, ANTHONY ARMENTO, ARTHUR HURLBURT, RYAN CLEVELAND, MATTHEW ZAMIESKI
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Publication number: 20210234473Abstract: A direct current/alternating current (DC/AC) inverter system includes a primary DC-DC converter that receives an input DC voltage and a secondary DC/AC inverter. The primary DC-DC converter includes a plurality of switching networks and a plurality of transformers having a plurality of primary windings and a plurality of secondary windings. Characteristically, the plurality of secondary windings is arranged in series to provide a first output and a second output. A resonant LC circuit is connected in series with the first output and the second output. A rectifier rectifies an AC voltage between the first output and the second output to form a first rectified output. The secondary DC/AC inverter receives the first rectified output or filtered output thereof and provides a high voltage AC output. A controller mediates switching of the plurality of switching networks.Type: ApplicationFiled: January 24, 2020Publication date: July 29, 2021Inventors: Seba ALNAJJAR, Tayler Jouja, Theodore Atanassov, David A. Hein
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Patent number: 11070664Abstract: A method and system involve a controller receiving from a phone an orientation signal indicative of an orientation of the phone and adjusting an object according to the orientation of the phone. The controller is configured to select one of the parts of the object according to an initial orientation of the phone and adjust the selected part of the object in correspondence with the orientation of the phone as the orientation of the phone changes. The controller is configured to receive from the phone a control signal indicative of a user input to the phone and to adjust the object according to the user input. The object may be a vehicle seat having a first part in the form of a seat bottom and a second part in the form of a seat back. The object may be a vehicle sunroof.Type: GrantFiled: December 15, 2017Date of Patent: July 20, 2021Assignee: Lear CorporationInventors: Arjun V. Yetukuri, David A. Hein, Samuel Hanlon
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Publication number: 20210176545Abstract: A sound system includes a seat including a seatback having a first dipole subwoofer, a second dipole subwoofer, a first speaker, and a second speaker; and a seat bottom having a third speaker. The first dipole subwoofer, the second dipole subwoofer, the first speaker, the second speaker, and/or the third speaker may be configured to receive audio signals from a receiver and provide sound corresponding to the audio signals toward an occupant position of the seat. The third speaker may be directed toward the seat back. The first dipole subwoofer, the second dipole subwoofer, the first speaker, the second speaker, and/or the third speaker may be configured to provide a sound zone for said occupant that facilitates (i) hearing of the sound by said occupant, and/or (ii) limiting transmission of the sound beyond the seat.Type: ApplicationFiled: December 2, 2020Publication date: June 10, 2021Inventors: Arjun Yetukuri, David A. Hein, Kim Krulek, Peter Festag, Stefan Willems, Mladen Humer
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Publication number: 20200198481Abstract: A system for a charging a vehicle is provided. The system includes a power generating device and one or more controllers. The power generating device is configured to generate a first energy signal corresponding to a requested amount of voltage for one of a vehicle and a base pad during a vehicle charging operation. The controller is configured to receive a request indicative of the requested amount of voltage to provide to the vehicle during the vehicle charging operation and to control the power generating device to generate the first energy signal based on the request. The controller is further configured to determine a resonant frequency of the first energy signal and to adjust a capacitance of a tuning capacitor network based on the determined resonant frequency to compensate for a distance variation between a vehicle pad and the base pad during the vehicle charging operation.Type: ApplicationFiled: December 10, 2019Publication date: June 25, 2020Inventors: David A. Hein, Lorenzo Scales
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Patent number: 10621856Abstract: A method and system involve a controller receiving from a phone an orientation signal indicative of an orientation of the phone and adjusting an object according to the orientation of the phone. The controller may select one of the parts of the object according to an initial orientation of the phone and adjust the selected part of the object in correspondence with the orientation of the phone as the orientation of the phone changes. The selected part may be selected in response to the phone being in the proximity of the selected part. The controller may receive from the phone a control signal indicative of a user input to the phone and adjust the object according to the user input. The object may be a vehicle seat having a first part in the form of a seat bottom and a second part in the form of a seat back.Type: GrantFiled: November 13, 2018Date of Patent: April 14, 2020Assignee: Lear CorporationInventors: Arjun V. Yetukuri, David A. Hein, Samuel Hanlon
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Patent number: 10622826Abstract: A wireless charging unit for an electric vehicle is provided with a metal enclosure to shield a high-power switching noise environment enclosed within the unit. A wireless power transfer system includes the wireless charging unit on the electric vehicle side that receives power wirelessly from a charging base. In addition to a high-power switching network, the wireless charging unit may include a wireless communication system for wirelessly communicating control messages to the charging base. The metal enclosure may include a cutout region having a plastic cover underneath which an antenna may be mounted to establish wireless communication with the charging base from within the metal enclosure.Type: GrantFiled: October 25, 2017Date of Patent: April 14, 2020Assignee: LEAR CORPORATIONInventors: Steven Cong, David A. Hein, Ajmal Imran Ansari, Eric Salem
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Patent number: 10594157Abstract: A wireless charger output protection system and method is provided for protecting a battery in an electric vehicle during wireless charging. A wireless power transfer system includes a wireless charger on the electric vehicle side that receives power wirelessly from a charging base. The wireless charger output protection system and method shuts down the wireless charger output and dumps energy in a receive antenna (e.g., a vehicle pad) when a charging error is detected before the charging base can be shut down. The system and method employs a zero-voltage switching (ZVS) scheme to shut down the wireless charger output, in response to the charging error, to protect the switching devices and enhance overall reliability.Type: GrantFiled: June 5, 2019Date of Patent: March 17, 2020Assignee: LEAR CORPORATIONInventors: Steven Cong, David A Hein, Ryan Cleveland, Eric Salem
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Patent number: 10483772Abstract: A wireless charger output protection system and method is provided for protecting a battery in an electric vehicle during wireless charging from both a desired power source and a stray power source. A wireless power transfer system includes a wireless charger on the electric vehicle side that receives power wirelessly from a charging base. The wireless charger output protection system and method shuts down the wireless charger output and dumps energy in a receive antenna (e.g., a vehicle pad) when a low-voltage battery connected to the wireless charger is lost. The wireless charger output protection system and method also shuts down the wireless charger output and dumps unwanted energy in the receive antenna (e.g., a vehicle pad) when power is transferred from a stray power source coupled to the receive antenna.Type: GrantFiled: November 2, 2017Date of Patent: November 19, 2019Assignee: LEAR CORPORATIONInventors: Steven Cong, David A. Hein, Ryan Cleveland, Eric Salem
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Publication number: 20190288546Abstract: A wireless charger output protection system and method is provided for protecting a battery in an electric vehicle during wireless charging. A wireless power transfer system includes a wireless charger on the electric vehicle side that receives power wirelessly from a charging base. The wireless charger output protection system and method shuts down the wireless charger output and dumps energy in a receive antenna (e.g., a vehicle pad) when a charging error is detected before the charging base can be shut down. The system and method employs a zero-voltage switching (ZVS) scheme to shut down the wireless charger output, in response to the charging error, to protect the switching devices and enhance overall reliability.Type: ApplicationFiled: June 5, 2019Publication date: September 19, 2019Inventors: Steven CONG, David A HEIN, Ryan CLEVELAND, Eric SALEM
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Patent number: 10333335Abstract: A wireless charger output protection system and method is provided for protecting a battery in an electric vehicle during wireless charging. A wireless power transfer system includes a wireless charger on the electric vehicle side that receives power wirelessly from a charging base. The wireless charger output protection system and method shuts down the wireless charger output and dumps energy in a receive antenna (e.g., a vehicle pad) when a charging error is detected before the charging base can be shut down. The system and method employs a zero-voltage switching (ZVS) scheme to shut down the wireless charger output, in response to the charging error, to protect the switching devices and enhance overall reliability.Type: GrantFiled: October 27, 2017Date of Patent: June 25, 2019Assignee: Lear CorporationInventors: Steven Cong, David A. Hein, Ryan Cleveland, Eric Salem
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Publication number: 20190189000Abstract: A method and system involve a controller receiving from a phone an orientation signal indicative of an orientation of the phone and adjusting an object according to the orientation of the phone. The controller may select one of the parts of the object according to an initial orientation of the phone and adjust the selected part of the object in correspondence with the orientation of the phone as the orientation of the phone changes. The selected part may be selected in response to the phone being in the proximity of the selected part. The controller may receive from the phone a control signal indicative of a user input to the phone and adjust the object according to the user input. The object may be a vehicle seat having a first part in the form of a seat bottom and a second part in the form of a seat back.Type: ApplicationFiled: November 13, 2018Publication date: June 20, 2019Applicant: Lear CorporationInventors: Arjun V. Yetukuri, David A. Hein, Samuel Hanlon
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Publication number: 20190191023Abstract: A method and system involve a controller receiving from a phone an orientation signal indicative of an orientation of the phone and adjusting an object according to the orientation of the phone. The controller is configured to select one of the parts of the object according to an initial orientation of the phone and adjust the selected part of the object in correspondence with the orientation of the phone as the orientation of the phone changes. The controller is configured to receive from the phone a control signal indicative of a user input to the phone and to adjust the object according to the user input. The object may be a vehicle seat having a first part in the form of a seat bottom and a second part in the form of a seat back. The object may be a vehicle sunroof.Type: ApplicationFiled: December 15, 2017Publication date: June 20, 2019Applicant: Lear CorporationInventors: Arjun V. Yetukuri, David A. Hein, Samuel Hanlon
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Patent number: 10304621Abstract: An assembly includes a metallic housing, an electromagnetic (EM) device, and a bobbin in which the EM device is supported. The bobbin has a non-metallic, inner bobbin body, a non-metallic, outer bobbin body, and a metallic shield sandwiched between the inner and outer bobbin bodies. The EM device and the bobbin are mounted in the housing with the bobbin being between the EM device and the housing for heat from the EM device to thermally conduct through the inner and outer bobbin bodies and the shield to the housing while the shield shields noise of the EM device from the housing.Type: GrantFiled: January 24, 2017Date of Patent: May 28, 2019Assignee: Lear CorporationInventors: Ajmal Imran Ansari, David A. Hein, Steven Cong, Allen Leo Mott