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公开(公告)号：US10770970B2
公开(公告)日：2020-09-08
申请号：US15619118
申请日：2017-06-09
Applicant: Ford Global Technologies, LLC
Inventor： Shuitao Yang , Yan Zhou , Lihua Chen , Baoming Ge , Fan Xu , Mohammed Khorshed Alam
Abstract: A powertrain for a vehicle may include a variable voltage converter (VVC), and a controller. The VVC may include an inductor, a bus capacitor and a flying capacitor. The controller may be configured to, in response to a power demand signal exceeding a threshold, modulate switches of the VVC such that an inductor current created by a collapsing field of the inductor is directed into the flying capacitor or the bus capacitor such that a bus capacitor voltage exceeds a flying capacitor voltage, and in response to the power demand signal dropping below the threshold, modulate switches such that the flying capacitor and the bus capacitor are coupled in parallel.
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公开(公告)号：US10757843B2
公开(公告)日：2020-08-25
申请号：US15870181
申请日：2018-01-12
Applicant: Ford Global Technologies, LLC
Inventor： Lihua Chen , Baoming Ge , Fan Wang , Shahram Zarei , Fan Xu , Mohammed Khorshed Alam , Yan Zhou , Shuitao Yang , Petros G. Taskas
Abstract: A vehicular system includes a pump, configured to circulate coolant for a traction inverter, and a controller. The controller may be configured to, responsive to each of a temperature of the traction inverter falling outside a first range or a requested flow rate of the pump falling outside a second range, operate the pump at a predefined speed, otherwise, operate the pump at a speed based on a difference between the temperature and a temperature associated with the coolant.
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公开(公告)号：US20200223314A1
公开(公告)日：2020-07-16
申请号：US16246011
申请日：2019-01-11
Applicant: Ford Global Technologies, LLC
Inventor： Boris Curuvija , Lihua Chen , Baoming Ge , Fan Xu
IPC: B60L3/00 , B60L3/04 , H02J7/00 , G01R31/327
Abstract: A controller of a vehicle power system closes a pre-charge contactor and one of a pair of main contactors to electrically connect a battery and inverter such that current flows through a pre-charge resistor. The controller also opens the pair to electrically disconnect the battery and inverter, and closes a switch configured to complete a circuit such that charge acquired by a capacitor of the inverter is dissipated via the pre-charge resistor.
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公开(公告)号：US10715042B2
公开(公告)日：2020-07-14
申请号：US16039715
申请日：2018-07-19
Applicant: FORD GLOBAL TECHNOLOGIES, LLC
Inventor： Baoming Ge , Lihua Chen
Abstract: A variable voltage converter transfers charge between a battery and a DC link. A first inductor couples a positive battery node and a first node. A first transistor selectably couples the first node to a negative battery node. A first capacitor has a negative terminal coupled to the negative battery node. A second inductor couples a positive terminal of the first capacitor to a second node. A second capacitor has a positive terminal coupled to the first node. A second transistor selectably couples the second node to a negative terminal of the second capacitor. When the transistors are non-conducting, the second inductor charges the DC link and the first inductor charges the first and second capacitors. When the transistors are conducting, the inductors are energized in parallel by the battery and the first and second capacitors. High voltage gain is obtained at relatively low values for the PWM duty cycle.
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公开(公告)号：US20190084444A1
公开(公告)日：2019-03-21
申请号：US15706267
申请日：2017-09-15
Applicant: Ford Global Technologies, LLC
Inventor： Baoming Ge , Lihua Chen , Yan Zhou , Shuitao Yang , Fan Xu
Abstract: A powertrain for a vehicle includes a Y-wound generator, a Y-wound motor, a generator inverter, a motor inverter, and a traction battery. The Y-wound generator and Y-wound motor are coupled via each respective neutral terminal. The generator inverter is coupled between the Y-wound generator and a generator bus and the motor inverter is coupled between the Y-wound motor and a motor bus. The traction battery has a first terminal coupled to each neutral terminal and a second terminal coupled to bus terminals of the generator and motor bus.
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Patent Agency Ranking
公开(公告)号：US20190044429A1
公开(公告)日：2019-02-07
申请号：US15669334
申请日：2017-08-04
Applicant: Ford Global Technologies, LLC
Inventor： Shuitao Yang , Yan Zhou , Baoming Ge , Lihua Chen , Fan Xu , Mohammed Khorshed Alam
IPC: H02M1/32 , B60R16/033 , H02M7/5395 , H02P27/08
Abstract: A vehicle includes an inverter having a supply bus including a contactor operable to conduct current through a resistive element connected to a capacitive element having a voltage supplied by a battery. The vehicle includes a controller configured to energize a first gate of the inverter. The energization is responsive to the voltage exceeding a threshold. The controller is configured to detect current flow between a first phase associated with the gate and the bus based on a voltage drop associated with the voltage.
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公开(公告)号：US20250121690A1
公开(公告)日：2025-04-17
申请号：US18488242
申请日：2023-10-17
Applicant: Ford Global Technologies, LLC
Inventor： Petros G. Taskas , Baoming Ge
Abstract: A discharge system for a drive system includes a discharge circuit, a sensor, and a control system. The discharge circuit is connected in parallel to the drive system, and is operable in an ON-position to be electrically coupled to the drive system or an OFF-position to be electrically decoupled from the drive system. The sensor is arranged in series with the discharge circuit to detect an electrical characteristic of the discharge circuit. The control system is configured to, for a diagnostic check, operate the discharge circuit in the ON-position, and provide a notification in response to the electric characteristic detected being unresponsive to the discharge circuit being in the ON-position.
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公开(公告)号：US20240367529A1
公开(公告)日：2024-11-07
申请号：US18310696
申请日：2023-05-02
Applicant: Ford Global Technologies, LLC
Inventor： Petros G. Taskas , Baoming Ge
Abstract: Responsive to a voltage across a capacitor being greater than a voltage across a traction battery, a controller may open switches such that charge current from a DC charger flows through a diode to the traction battery without following through coils of an electric machine and without flowing through an inverter.
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公开(公告)号：US20230137863A1
公开(公告)日：2023-05-04
申请号：US17513330
申请日：2021-10-28
Applicant: FORD GLOBAL TECHNOLOGIES, LLC
Inventor： John P. Casci , Moon Young Lee , Baoming Ge , Fan Wang
Abstract: A power inductor includes a magnetic core having first and second legs and opposing first and second curved sections, a conductor having a first coil around the first leg and a second coil around the second leg; and a fluid circuit having a first branch disposed between the first leg and the first coil and a second branch disposed between the second leg and the second coil.
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公开(公告)号：US11413983B2
公开(公告)日：2022-08-16
申请号：US16746784
申请日：2020-01-17
Applicant: Ford Global Technologies, LLC
Inventor： Baoming Ge , Yantao Song , Lihua Chen , Serdar Hakki Yonak
Abstract: A unitary on-board charger and generator (OBCG) for an electric vehicle system and method is disclosed. The OBCG includes a charging circuit with a diode bridge rectifier connected to an AC power source, a power factor correction converter, and a bi-directional DC/DC converter. The OBCG also includes a generating circuit with a a three-phase inverting circuit, three inductive coils connected to each leg of the three-phase inverting circuit, and a plurality of output capacitors connected to the outputs of the three inductive coils. The OBCG also includes a bridge capacitor and a control switching element connected between the charging circuit and the generating circuit for changing between a charging and generating state.
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