Rotary transformers

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CPC
H01F38/18

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HELECTRICITY H01Electric elements H01FMAGNETS INDUCTANCES TRANSFORMERS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES H01F38/00Adaptations of transformers or inductances for specific applications or functions

Current Industry

H01F38/18Rotary transformers

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Wireless excitation system
- Patent number 12,224,113
- Issue date Feb 11, 2025
- UT-Battelle, LLC
- Tsarafidy Raminosoa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Motor and rotary transformer with shared magnetic core
- Patent number 12,210,073
- Issue date Jan 28, 2025
- Waymo LLC
- Paul Thomas Hansen Karplus
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Externally excited electric synchronous machine
- Patent number 12,199,481
- Issue date Jan 14, 2025
- Mahle International GmbH
- Guanqun Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical rotary transformer for inductive energy transmission
- Patent number 12,183,505
- Issue date Dec 31, 2024
- Mahle International GmbH
- Penyo Topalov
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Inductively electrically excited synchronous machine
- Patent number 12,166,388
- Issue date Dec 10, 2024
- Mahle International GmbH
- Thorsten Grelle
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Systems and devices for strain relief for magnetic cores and assemb...
- Patent number 12,159,736
- Issue date Dec 3, 2024
- Waymo LLC
- Robert Lockwood
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System for wirelessly supplying a rotating device with electrical e...
- Patent number 12,021,392
- Issue date Jun 25, 2024
- Hottinger Brüel & Kjaer GmbH
- Manfred Kreuzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor and rotary transformer with shared magnetic core
- Patent number 11,860,249
- Issue date Jan 2, 2024
- Waymo LLC
- Paul Thomas Hansen Karplus
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rotary electrical transformer with preferred lubricant
- Patent number 11,776,741
- Issue date Oct 3, 2023
- CR FLIGHT L.L.C.
- Jonathan Emigh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric machine control
- Patent number 11,770,083
- Issue date Sep 26, 2023
- SAFRAN ELECTRICAL & POWER
- Andrew Bloor
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rotary connector module for device forming quasi three-dimentional...
- Patent number 11,770,045
- Issue date Sep 26, 2023
- Kiryl Nikolaevich Chykeyuk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power coupling device
- Patent number 11,769,628
- Issue date Sep 26, 2023
- Analogic Corporation
- Steven Dana Weed
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compact integrated rotary joint with a resonant shield
- Patent number 11,641,049
- Issue date May 2, 2023
- SCHLEIFRING GMBH
- Nils Krumme
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compact integrated rotary joint
- Patent number 11,605,866
- Issue date Mar 14, 2023
- SCHLEIFRING GMBH
- Lukas Bauer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Portable electrical tool equipped with a rotary transformer provide...
- Patent number 11,571,791
- Issue date Feb 7, 2023
- Etablissements Georges Renault
- Arnaud Gilibert
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Motor and rotary transformer with shared magnetic core
- Patent number 11,506,731
- Issue date Nov 22, 2022
- Waymo LLC
- Paul Thomas Hansen Karplus
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Load re-balancing on a multi-phase power system
- Patent number 11,509,139
- Issue date Nov 22, 2022
- American Superconductor Corporation
- Patrick S. Flannery
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arrangement for wireless transmission of electrical signals in a mo...
- Patent number 11,496,712
- Issue date Nov 8, 2022
- NEXANS
- Helmut Steinberg
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method for manufacturing a rotor for an electrical machine with a c...
- Patent number 11,489,420
- Issue date Nov 1, 2022
- Vitesco Technologies GmbH
- Michael Bulatow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for transferring electrical energy
- Patent number 11,462,357
- Issue date Oct 4, 2022
- KONGSBERG MARITIME FINLAND OY
- Werner Schiffers
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric transmission device in relatively rotating parts
- Patent number 11,456,115
- Issue date Sep 27, 2022
- NTN Corporation
- Kayo Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contactless power transmission in an azimuth thruster
- Patent number 11,377,184
- Issue date Jul 5, 2022
- KONGSBERG MARITIME FINLAND OY
- Werner Schiffers
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Device for the contactless transmission of data and of energy and f...
- Patent number 11,373,801
- Issue date Jun 28, 2022
- Robert Bosch GmbH
- Jan Sparbert
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Operating device for a vehicle component
- Patent number 11,097,616
- Issue date Aug 24, 2021
- Behr-Hella Thermocontrol GmbH
- Klaus-Martin Masthoff
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Inductive rotary joint with U-shaped ferrite cores
- Patent number 11,087,921
- Issue date Aug 10, 2021
- Schleifring GmbH
- Ulrich Herrmann
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Laminated core rotatable transformer
- Patent number 10,840,015
- Issue date Nov 17, 2020
- Hitachi Industrial Products, Ltd.
- Michael J. Lubas
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System and method for increasing coupling of an axle rotary transfo...
- Patent number 10,825,607
- Issue date Nov 3, 2020
- Goodrich Corporation
- Eric Stein
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rotary type magnetic coupling device
- Patent number 10,804,029
- Issue date Oct 13, 2020
- TDK Corporation
- Kazuyoshi Hanabusa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rotating transformer and inductive coupling
- Patent number 10,763,670
- Issue date Sep 1, 2020
- Vestas Wind Systems A/S
- Søren Viisholm Trankjær
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Turbine engine having a three-phase transformer for powering electr...
- Patent number 10,710,731
- Issue date Jul 14, 2020
- SAFRAN AIRCRAFT ENGINES
- Mathieu Jean Jacques Santin
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS EXCITATION SYSTEM
- Publication number 20250218655
- Publication date Jul 3, 2025
- UT-Battelle, LLC
- Tsarafidy Raminosoa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Brushless Electric Machine with Balance Ring Diodes
- Publication number 20250119007
- Publication date Apr 10, 2025
- BorgWarner Inc.
- David A. Fulton
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Systems and Devices for Strain Relief for Magnetic Cores and Assemb...
- Publication number 20250046504
- Publication date Feb 6, 2025
- WAYMO LLC
- Robert Lockwood
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ROTOR SHAFT AND ELECTRICAL MACHINE
- Publication number 20250030306
- Publication date Jan 23, 2025
- MAHLE International GmbH
- Christoph Steinmetz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ROTOR FOR AN EXTERNALLY EXCITED SYNCHRONOUS MACHINE
- Publication number 20250015693
- Publication date Jan 9, 2025
- MAHLE International GmbH
- Thorsten Grelle
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ROTOR FOR AN EXTERNALLY EXCITED SYNCHRONOUS MACHINE
- Publication number 20250007358
- Publication date Jan 2, 2025
- MAHLE International GmbH
- Florian Osdoba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INDUCTIVELY ELECTRICALLY SYNCHRONOUS MACHINE
- Publication number 20240429799
- Publication date Dec 26, 2024
- MAHLE International GmbH
- Thorsten Grelle
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EXTERNALLY EXCITED ELECTRIC SYNCHRONOUS MACHINE
- Publication number 20240405649
- Publication date Dec 5, 2024
- MAHLE International GmbH
- Peter Kozlowski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PCB-BASED STRANDED, TWISTED EXCITATION WINDINGS IN ROTARY TRANSFORMERS
- Publication number 20240355540
- Publication date Oct 24, 2024
- BorgWarner Inc.
- Mostak Mohammad
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INDUCTIVELY ELECTRICALLY EXCITED SYNCHRONOUS MACHINE
- Publication number 20240339904
- Publication date Oct 10, 2024
- MAHLE International GmbH
- Thorsten Grelle
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRICAL ROTARY TRANSFORMER FOR INDUCTIVE ENERGY TRANSMISSION
- Publication number 20240331936
- Publication date Oct 3, 2024
- MAHLE International GmbH
- Penyo Topalov
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EXTERNALLY EXCITED ELECTRIC SYNCHRONOUS MACHINE
- Publication number 20240333115
- Publication date Oct 3, 2024
- MAHLE International GmbH
- Guanqun Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MOTOR AND ROTARY TRANSFORMER WITH SHARED MAGNETIC CORE
- Publication number 20240085498
- Publication date Mar 14, 2024
- Paul Thomas Hansen Karplus
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER COUPLING DEVICE
- Publication number 20240013974
- Publication date Jan 11, 2024
- Analogic Corporation
- Steven Dana Weed
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Rotary Transformer
- Publication number 20230124788
- Publication date Apr 20, 2023
- Gary William Box
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ROTARY ELECTRICAL TRANSFORMER WITH PREFERRED LUBRICANT
- Publication number 20230102299
- Publication date Mar 30, 2023
- CR FLIGHT L.L.C.
- Jonathan Emigh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MOTOR AND ROTARY TRANSFORMER WITH SHARED MAGNETIC CORE
- Publication number 20230029499
- Publication date Feb 2, 2023
- WAYMO LLC
- Paul Thomas Hansen Karplus
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Compact Integrated Rotary Joint
- Publication number 20220344884
- Publication date Oct 27, 2022
- Schleifring GmbH
- Lukas Bauer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RESOLVER ASSEMBLY FOR HYBRID MODULE
- Publication number 20220224205
- Publication date Jul 14, 2022
- SCHAEFFLER TECHNOLOGIES AG & CO. KG
- Scott Angel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WIRELESS POWER AND DATA TRANSMISSION APPARATUS AND TRANSMISSION MODULE
- Publication number 20220224159
- Publication date Jul 14, 2022
- Panasonic Intellectual Property Management Co., Ltd.
- Masato MATSUMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CAGE CORE INDUCTOR
- Publication number 20220139604
- Publication date May 5, 2022
- KKM KRAFTKVALITÉMÄTNING AB
- Agne FÄLLDIN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WIRELESS EXCITATION SYSTEM
- Publication number 20210358686
- Publication date Nov 18, 2021
- UT-Battelle, LLC
- Tsarafidy Raminosoa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LOAD RE-BALANCING ON A MULTI-PHASE POWER SYSTEM
- Publication number 20210344199
- Publication date Nov 4, 2021
- American Superconductor Corporation
- Patrick S. Flannery
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRIC MACHINE CONTROL
- Publication number 20210344274
- Publication date Nov 4, 2021
- SAFRAN ELECTRICAL & POWER
- Andrew Bloor
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DEVICE FOR THE CONTACTLESS TRANSMISSION OF DATA AND OF ENERGY AND F...
- Publication number 20200294714
- Publication date Sep 17, 2020
- ROBERT BOSCH GmbH
- Jan Sparbert
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING A ROTOR FOR AN ELECTRICAL MACHINE WITH A C...
- Publication number 20200195104
- Publication date Jun 18, 2020
- Vitesco Technologies GMBH
- Michael Bulatow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MOTOR AND ROTARY TRANSFORMER WITH SHARED MAGNETIC CORE
- Publication number 20200166589
- Publication date May 28, 2020
- WAYMO LL C
- Paul Thomas Hansen Karplus
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ROTATING TRANSFORMER AND INDUCTIVE COUPLING
- Publication number 20190206617
- Publication date Jul 4, 2019
- VESTAS WIND SYSTEMS A/S
- Søren Viisholm TRANKJÆR
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER COUPLING DEVICE
- Publication number 20190173315
- Publication date Jun 6, 2019
- Analogic Corporation
- Steven Dana Weed
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
APPARATUS FOR TRANSFERRING ELECTRICAL ENERGY
- Publication number 20190043667
- Publication date Feb 7, 2019
- Rolls-Royce Oy Ab
- Werner SCHIFFERS
- H01 - BASIC ELECTRIC ELEMENTS

Rotary transformers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Wireless excitation system

Motor and rotary transformer with shared magnetic core

Externally excited electric synchronous machine

Electrical rotary transformer for inductive energy transmission

Inductively electrically excited synchronous machine

Systems and devices for strain relief for magnetic cores and assemb...

System for wirelessly supplying a rotating device with electrical e...

Motor and rotary transformer with shared magnetic core

Rotary electrical transformer with preferred lubricant

Electric machine control

Rotary connector module for device forming quasi three-dimentional...

Power coupling device

Compact integrated rotary joint with a resonant shield

Compact integrated rotary joint

Portable electrical tool equipped with a rotary transformer provide...

Motor and rotary transformer with shared magnetic core

Load re-balancing on a multi-phase power system

Arrangement for wireless transmission of electrical signals in a mo...

Method for manufacturing a rotor for an electrical machine with a c...

Apparatus for transferring electrical energy

Electric transmission device in relatively rotating parts

Contactless power transmission in an azimuth thruster

Device for the contactless transmission of data and of energy and f...

Operating device for a vehicle component

Inductive rotary joint with U-shaped ferrite cores

Laminated core rotatable transformer

System and method for increasing coupling of an axle rotary transfo...

Rotary type magnetic coupling device

Rotating transformer and inductive coupling

Turbine engine having a three-phase transformer for powering electr...

Patents Applicationslast 30 patents

WIRELESS EXCITATION SYSTEM

Brushless Electric Machine with Balance Ring Diodes

Systems and Devices for Strain Relief for Magnetic Cores and Assemb...

ROTOR SHAFT AND ELECTRICAL MACHINE

ROTOR FOR AN EXTERNALLY EXCITED SYNCHRONOUS MACHINE

ROTOR FOR AN EXTERNALLY EXCITED SYNCHRONOUS MACHINE

INDUCTIVELY ELECTRICALLY SYNCHRONOUS MACHINE

EXTERNALLY EXCITED ELECTRIC SYNCHRONOUS MACHINE

PCB-BASED STRANDED, TWISTED EXCITATION WINDINGS IN ROTARY TRANSFORMERS

INDUCTIVELY ELECTRICALLY EXCITED SYNCHRONOUS MACHINE

ELECTRICAL ROTARY TRANSFORMER FOR INDUCTIVE ENERGY TRANSMISSION

EXTERNALLY EXCITED ELECTRIC SYNCHRONOUS MACHINE

MOTOR AND ROTARY TRANSFORMER WITH SHARED MAGNETIC CORE

POWER COUPLING DEVICE

Rotary Transformer

ROTARY ELECTRICAL TRANSFORMER WITH PREFERRED LUBRICANT

MOTOR AND ROTARY TRANSFORMER WITH SHARED MAGNETIC CORE

Compact Integrated Rotary Joint

RESOLVER ASSEMBLY FOR HYBRID MODULE

WIRELESS POWER AND DATA TRANSMISSION APPARATUS AND TRANSMISSION MODULE

CAGE CORE INDUCTOR

WIRELESS EXCITATION SYSTEM

LOAD RE-BALANCING ON A MULTI-PHASE POWER SYSTEM

ELECTRIC MACHINE CONTROL

DEVICE FOR THE CONTACTLESS TRANSMISSION OF DATA AND OF ENERGY AND F...

METHOD FOR MANUFACTURING A ROTOR FOR AN ELECTRICAL MACHINE WITH A C...

MOTOR AND ROTARY TRANSFORMER WITH SHARED MAGNETIC CORE

ROTATING TRANSFORMER AND INDUCTIVE COUPLING

POWER COUPLING DEVICE

APPARATUS FOR TRANSFERRING ELECTRICAL ENERGY