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1. 发明申请

US20210261007A1 System for Determining a Relative Position and/or a Relative Distance of a Transmitter with Respect to a Receiver, and Inductive Vehicle Charging System Having Such a System 有权
公开(公告)号：US20210261007A1
公开(公告)日：2021-08-26
申请号：US17252408
申请日：2019-06-24
申请人： BRUSA Elektronik AG
发明人： Lukas Böhler , Richard Knuchel , Marc Hanselmann
IPC分类号： B60L53/126 , B60L53/36 , B60L53/38 , G01S5/02 , H02J50/10 , H02J50/90 , H02J7/00
摘要： A system for determining a relative position and/or a relative distance of a transmitter with respect to a receiver, including: the transmitter for wirelessly emitting signals at the time ti, the receiver or receiving a signal at the time ti+Δt, wherein the receiver is configured to determine the following: a signal level P and/or a signal-to-noise ratio SNR of the received signal, a direction of incidence of the received signal and, on the basis of P and E, a relative position POS of the transmitter with respect to the receiver and/or a relative distance D between the transmitter and the receiver, and another transmitter connected to the receiver and intended to wirelessly transmit P, SNR, POS, and/or D to another receiver connected to the transmitter.

2. 发明申请

US20210261006A1 BASE STATION FOR A POWER TRANSMISSION SYSTEM 有权
公开(公告)号：US20210261006A1
公开(公告)日：2021-08-26
申请号：US17252797
申请日：2019-06-24
申请人： BRUSA Elektronik AG
发明人： Lukas Böhler , Marc Bosch
IPC分类号： B60L53/12 , H02J50/10 , H02J13/00 , G06F1/26
摘要： A base station for a power transmission system the base station including a generator for generating power having a duty ratio and frequency, a circuit having a coil, a measuring device for measuring real power and/or apparent power in the circuit, and a control device, wherein the circuit is connected to the generator and the measuring device, wherein the control device is connected to the measuring device and the generator, wherein the control device is configured to keep the duty ratio constant while varying the frequency from a starting frequency, use the measuring device to measure the real power and/or the apparent power while varying the frequency, keep the frequency constant and vary the duty ratio when a real power limit value and/or apparent power limit value is/are exceeded, and exclude a combination of values for the frequency and the duty ratio when varying the frequency and/or the duty ratio.

3. 发明申请

US20210252986A1 VEHICLE CHARGING SYSTEM FOR CHARGING AN ENERGY STORE ARRANGED IN A VEHICLE 有权
公开(公告)号：US20210252986A1
公开(公告)日：2021-08-19
申请号：US17252657
申请日：2019-06-24
申请人： BRUSA Elektronik AG
发明人： Lukas Böhler , Marc Hanselmann , Marc Bosch
IPC分类号： B60L53/122 , B60L53/39 , B60L53/62 , H02J50/10 , H02J50/90
摘要： A system for charging an energy store in a vehicle and a method for operating the system, wherein the system includes a first transmission unit having a primary coil, arranged outside the vehicle in a stationary manner, and a second transmission unit having a secondary coil, arranged in the vehicle, wherein energy is transmitted via inductive energy transmission from the primary coil to the secondary coil to charge the energy store. The second transmission unit has a signal generator for generating and coupling signals into the secondary coil for transmission via the secondary coil, and the first transmission unit has an evaluation unit, a first auxiliary coil, and a second auxiliary coil, wherein the evaluation unit is designed to ascertain a magnetic coupling and/or a relative position between the first transmission unit and the second transmission unit based on the signals received by the primary coil and the auxiliary coils.

4. 发明公开

US20230294527A1 SWITCHING DEVICE FOR A COIL 审中-公开
公开(公告)号：US20230294527A1
公开(公告)日：2023-09-21
申请号：US18202495
申请日：2023-05-26
申请人： BRUSA Elektronik AG
发明人： Lukas Böhler , Adrian Immler , Richard Knuchel , Pirmin Bader
IPC分类号： B60L53/12 , H02J50/12 , H04B5/00 , H02J50/70 , H02J50/90
CPC分类号： B60L53/12 , H02J50/12 , H04B5/0037 , H02J50/70 , H02J50/90 , H02J50/60
摘要： A method of testing an impedance-sensitive system with a switching device, wherein the method comprises: switching the disconnecting device into the on-state configured to permit transmission of energy via the coil; implementing a first measurement with the impedance-sensitive system; switching the disconnecting device into the off-state configured to permit damping of the external positioning signal that couples into the coil so as to reduce the undesirable oscillations of the coil; implementing a second measurement with the impedance-sensitive system; performing a comparison of the first measurement and the second measurement; performing a verification of the comparison with a target specification; and displaying a correct function and/or a malfunction depending on the verification.

5. 发明申请

US20210268920A1 Inductive Charging of Vehicles with Secondary-Side Voltage Measurement and Feedback from the Secondary Side to the Primary Side 有权
公开(公告)号：US20210268920A1
公开(公告)日：2021-09-02
申请号：US17254218
申请日：2019-06-24
申请人： BRUSA Elektronik AG
发明人： Martin Erler , Marc Hanselmann , Lukas Böhler , Marc Bosch
IPC分类号： B60L53/122 , H02J7/00
摘要： A secondary circuit device including a secondary coil for transmitting and/or receiving magnetic energy of a magnetic field and converting the magnetic energy into electrical energy, a transmission unit for transmitting the electrical energy, a detection unit, and a damper circuit, wherein the magnetic field is generated by a primary coil of a primary circuit device; the transmission unit has an inlet for connecting the secondary coil; the transmission unit has an outlet for providing the electrical energy as voltage and/or current; the detection unit is connected to the inlet and/or the outlet of the energy transmission unit, in order to detect an overvoltage at the inlet and/or the outlet; and, when the overvoltage is detected, the detection unit is configured to influence the magnetic field in the secondary coil via the damper circuit such that a current jump and/or a voltage jump is brought about in the primary coil.

6. 发明申请

US20200006985A1 MODULE FOR INDUCTIVE ENERGY TRANSFER 审中-公开
公开(公告)号：US20200006985A1
公开(公告)日：2020-01-02
申请号：US16453485
申请日：2019-06-26
申请人： BRUSA Elektronik AG
发明人： Martin Hamilton , Lukas Böhler
IPC分类号： H02J50/12 , H02J7/02 , B60L53/12 , B60L53/30
摘要： A module for inductive energy transfer including: a main coil HS completely enclosed by electrical insulation IS1, wherein only two connections, A1HS and A2HS, are routed from/to the main coil HS by insulation IS1; an electrical assembly with two high-voltage parts, HT1 and HT2, and at least one low-voltage part NT, wherein each of the high-voltage parts, HT1 and HT2, is directly and completely enclosed by respective separate electrical insulation, IS2HT1/IS2HT2, wherein connection A1HT is routed to the one-sided connection of the main coil HS, and electrical supply lines are routed from the low-voltage part NT to the high-voltage part HT1 by insulation IS2HT1, and wherein connection A2HT is routed to a reciprocal connection of the main coil HS, and the electrical supply lines are routed from the low-voltage part NT to the high-voltage part HT2 by insulation IS2HT2, and connection A1HS to connection A1HT and connection A2HS to connection A2HT are only electrically connectable or connected such that connections A1HS-A1HT electrically connected to one another are each directly and completely enclosed by electrical insulation IS3A1, which is in direct contact with insulation IS1 and IS2HT1, and connections A2HS-A2HT electrically connected to one another are each directly and completely enclosed by electrical insulation IS3A2, which is in direct contact with insulation IS1 and IS2HT2.

7. 发明授权

US12030393B2 Vehicle charging system for charging an energy store arranged in a vehicle 有权
公开(公告)号：US12030393B2
公开(公告)日：2024-07-09
申请号：US17252657
申请日：2019-06-24
申请人： BRUSA Elektronik AG
发明人： Lukas Böhler , Marc Hanselmann , Marc Bosch
IPC分类号： B60L53/12 , B60L53/122 , B60L53/39 , B60L53/62 , H02J50/10 , H02J50/90
CPC分类号： B60L53/12 , B60L53/122 , B60L53/39 , B60L53/62 , H02J50/10 , H02J50/90
摘要： A system for charging an energy store in a vehicle and a method for operating the system, wherein the system includes a first transmission unit having a primary coil, arranged outside the vehicle in a stationary manner, and a second transmission unit having a secondary coil, arranged in the vehicle, wherein energy is transmitted via inductive energy transmission from the primary coil to the secondary coil to charge the energy store. The second transmission unit has a signal generator for generating and coupling signals into the secondary coil for transmission via the secondary coil, and the first transmission unit has an evaluation unit, a first auxiliary coil, and a second auxiliary coil, wherein the evaluation unit is designed to ascertain a magnetic coupling and/or a relative position between the first transmission unit and the second transmission unit based on the signals received by the primary coil and the auxiliary coils.

8. 发明授权

US11951851B2 Switching device for a coil 有权
公开(公告)号：US11951851B2
公开(公告)日：2024-04-09
申请号：US18202495
申请日：2023-05-26
申请人： BRUSA Elektronik AG
发明人： Lukas Böhler , Adrian Immler , Richard Knuchel , Pirmin Bader
IPC分类号： B60L53/12 , H02J50/12 , H02J50/70 , H02J50/90 , H04B5/00 , H02J50/60
CPC分类号： B60L53/12 , H02J50/12 , H02J50/70 , H02J50/90 , H04B5/0037 , H02J50/60
摘要： A method of testing an impedance-sensitive system with a switching device, wherein the method comprises: switching the disconnecting device into the on-state configured to permit transmission of energy via the coil; implementing a first measurement with the impedance-sensitive system; switching the disconnecting device into the off-state configured to permit damping of the external positioning signal that couples into the coil so as to reduce the undesirable oscillations of the coil; implementing a second measurement with the impedance-sensitive system; performing a comparison of the first measurement and the second measurement; performing a verification of the comparison with a target specification; and displaying a correct function and/or a malfunction depending on the verification.

9. 发明授权

US11831170B2 Signal matching apparatus in a system for inductive power transmission 有权
公开(公告)号：US11831170B2
公开(公告)日：2023-11-28
申请号：US17253529
申请日：2019-06-24
申请人： BRUSA Elektronik AG
发明人： Lukas Böhler , Adrian Immler , Richard Knuchel , Martin Erler
IPC分类号： H02J50/12 , H02J50/80 , H02J50/90
CPC分类号： H02J50/12 , H02J50/80 , H02J50/90
摘要： A signal matching apparatus for an evaluation circuit for evaluating an electromagnetic signal for operation in an inductive energy transmission system, the apparatus including a signal transmission device, wherein the signal transmission device includes an antenna connection for connecting a receiving antenna, an evaluation connection for connecting the evaluation circuit for the electromagnetic signal, wherein the antenna connection is configured to receive the electromagnetic signal, wherein the signal transmission device is configured to leave the phase of the electromagnetic signal substantially unchanged and wherein the signal transmission device is configured to match the amplitude of the electromagnetic signal to a characteristic prescribable by the evaluation circuit, wherein the evaluation connection is configured to provide the electromagnetic signal to the evaluation circuit.

10. 发明授权

US11322986B2 Inductive power transmission with resonant circuit and method for operating the device 有权
公开(公告)号：US11322986B2
公开(公告)日：2022-05-03
申请号：US17252109
申请日：2019-06-24
申请人： BRUSA Elektronik AG
发明人： Marc Hanselmann , Lukas Böhler , Richard Knuchel
IPC分类号： H02J50/12 , B60L53/122 , H04B5/00
摘要： The invention relates to an inductive power transmission with a resonant circuit, the resonant circuit including a transmitting/receiving coil or a transmitting and receiving coil for transmitting and/or receiving electromagnetic energy, a coupling capacitor, a tuning capacitor, and a switching device, wherein the switching device is connected in series to the coupling capacitor and the tuning capacitor, and wherein, furthermore, the switching device is designed to activate and/or disconnect a signal generator and to modify a quality factor or to modify the resonance frequency of the resonant circuit.

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