# US 9,438,151 B2 · Transverse flux machine and vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,438,151 B2 - Document ID: US9438151B2 - Status: Granted - Kind: B2 - Application number: 14/017,897 - Filed: 2013-09-04 - Published: 2014-05-22 - Granted: 2016-09-06 - Earliest claimed: 2012-11-20 - Assignees: Kabushiki Kaisha Toshiba - Applicants: Kabushiki Kaisha Toshiba - Inventors: Yasuhito Ueda - Web page: https://patentgrep.com/patent/US9438151B2 ## CPC - H02P 6/16: Circuit arrangements for detecting position - B60L 15/007: {Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles} - B60L 15/20: for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed - B60L 50/16: with provision for separate direct mechanical propulsion - B60L 50/51: characterised by AC-motors - B60L 50/61: by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles - H02K 21/125: {having an annular armature coil (H02K21/14 - H02K21/24 take precedence)} - H02P 6/00: Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor (vector control H02P21/00) - H02P 6/32: Arrangements for controlling wound field motors, e.g. motors with exciter coils - B60L 2210/40: DC to AC converters - B60L 2240/12: Speed - B60L 2240/421: Speed - B60L 2240/423: Torque - B60L 2240/441: Speed - B60L 2240/443: Torque - H02K 2201/12: Transversal flux machines - Y02T 10/62: Hybrid vehicles - Y02T 10/64: Electric machine technologies in electromobility - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - Y02T 10/72: Electric energy management in electromobility - H02P: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A transverse flux machine includes a stator having a circular coil wound in a rotational direction and a rotor arranged to face the first ferromagnet across a gap. The stator has a plurality of first ferromagnets surrounding a part of the circular coil in the rotational direction separately. The rotor is rotatable about a center axis of the circular coil relative to the stator. The rotor has a plurality of second ferromagnets arranged in the rotational direction separately. A first member and a second member are inserted between adjacent ones of the second ferromagnets. The first member and the second member generate two magnetic fields opposite to each other in the circumference direction. ## Claims ### Claim 1 A transverse flux machine comprising: a stator including a circular coil wound in a rotational direction, and a plurality of first ferromagnets surrounding a part of the circular coil in the rotational direction; and a rotor arranged to face the first ferromagnets across a gap, the rotor being rotatable about a center axis of the circular coil relative to the stator; wherein the rotor includes: a plurality of second ferromagnets arranged in the rotational direction; and a first member and a second member arranged opposite to the first member in the rotational direction, the first member and the second member being inserted between two adjacent second ferromagnets in the rotational direction, the first member and the second member respectively generating two magnetic fields opposite to each other in the rotational direction. ### Claim 2 (depends on 1) The transverse flux machine according to claim 1, further comprising: a third ferromagnet arranged between the first member and the second member. ### Claim 3 (depends on 2) The transverse flux machine according to claim 2, wherein the third ferromagnet has an anisotropy characteristic in part. ### Claim 4 (depends on 1) The transverse flux machine according to claim 1, further comprising: a third member arranged between the first member and the second member, the third member generating a magnetic field in a radial direction relative to the center axis. ### Claim 5 (depends on 1) The transverse flux machine according to claim 1, further comprising: a third member arranged in an outer circumference of the first member and the second member, the third member generating a magnetic field in a radial direction relative to the center axis. ### Claim 6 (depends on 1) The transverse flux machine according to claim 1, wherein the stator is arranged to face an inner circumference of the rotor. ### Claim 7 (depends on 6) The transverse flux machine according to claim 6, wherein the stator is a first stator, the transverse flux machine further comprising: a second stator arranged to face an outer circumference of the rotor. ### Claim 8 (depends on 7) The transverse flux machine according to claim 7, wherein the first stator and the second stator are arranged so that the first ferromagnets of the first stator differ from the first ferromagnets of the second stator in a rotational position. ### Claim 9 (depends on 1) The transverse flux machine according to claim 1, wherein any of the first ferromagnets and the second ferromagnets has an anisotropy characteristic in part. ### Claim 10 (depends on 1) The transverse flux machine according to claim 1, further comprising: a detector to detect a rotational position of the rotor, and generate position data; and a controlling unit configured to obtain the position data and to control an amount of current to the circular coil based on the position data. ### Claim 11 A transverse flux machine comprising: a plurality of pairs of a stator and a rotor, whose relative position relations between the stator and the rotor in a rotational direction are different, wherein the stator includes a circular coil wound in the rotational direction, and a plurality of first ferromagnets surrounding a part of the circular coil in the rotational direction, and wherein the rotor is arranged to face the first ferromagnets included in the stator paired with the rotor across a gap, the rotor is rotatable about a center axis of the circular coil relative to the stator paired with the rotor, the rotor includes a plurality of second ferromagnets arranged in the rotational direction, a first member, and a second member arranged opposite to the first member in the rotational direction, the first member and the second member are inserted between two adjacent second ferromagnets in the rotational direction, and the first member and the second member respectively generate two magnetic fields opposite to each other in the rotational direction. ### Claim 12 (depends on 1) A vehicle comprising: the transverse flux machine according to claim 1. ### Claim 13 (depends on 12) The vehicle according to claim 12, wherein the transverse flux machine further comprises: a detector to detect a rotational position of the rotor, and to generate position data; and a controlling unit configured to obtain the position data and to control an amount of current to the circular coil based on the position data. ### Claim 14 (depends on 13) The vehicle according to claim 13, further comprising: a power source to output electric power; and an inverter to convert the electric power; wherein the transverse flux machine is operated by the electric power converted by the inverter. ### Claim 15 A transverse flux machine comprising: a first stator; a second stator; each of the first and second stators including a circular coil wound in a rotational direction, and a plurality of first ferromagnets surrounding a part of the circular coil in the rotational direction; and a rotor arranged to face the first ferromagnets across a gap, the rotor being rotatable about a center axis of the circular coil relative to the first and second stators; the rotor including a plurality of second ferromagnets arranged in the rotational direction so that the second ferromagnets face the first ferromagnets in a direction parallel to the rotational axis; and a first member and a second member arranged opposite to the first member in the rotational direction, the first member and the second member being inserted between two adjacent second ferromagnets in the rotational direction, the first member and the second member respectively generating two magnetic fields opposite to each other in the rotational direction. ### Claim 16 (depends on 15) The transverse flux machine according to claim 15, further comprising: a third ferromagnet arranged between the first member and the second member. ### Claim 17 (depends on 15) The transverse flux machine according to claim 15, further comprising: a third member arranged between the first member and the second member, the third member generating a magnetic field in a radial direction relative to the center axis. ### Claim 18 (depends on 15) The transverse flux machine according to claim 15, wherein the first stator and the second stator are arranged so that the first ferromagnets of the first stator differ from the first ferromagnets of the second stator in a rotational position. ### Claim 19 (depends on 15) The transverse flux machine according to claim 15, wherein any of the first ferromagnets and the second ferromagnets has an anisotropy characteristic in part. ### Claim 20 (depends on 15) The transverse flux machine according to claim 15, further comprising: a detector to detect a rotational position of the rotor, and generate position data; and a controlling unit configured to obtain the position data and to control an amount of current to the circular coil based on the position data.