# US 11,999,190 B2 · In-wheel driving device and vehicle including the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,999,190 B2 - Document ID: US11999190B2 - Status: Granted - Kind: B2 - Application number: 17/124,267 - Filed: 2020-12-16 - Published: 2022-01-20 - Granted: 2024-06-04 - Earliest claimed: 2020-07-14 - Assignees: Hyundai Mobis Co., Ltd. - Applicants: Hyundai Mobis Co., Ltd. - Inventors: Kyeong Ho Shin - Web page: https://patentgrep.com/patent/US11999190B2 ## CPC - B60B 27/0068: {the element being a sensor} - B60K 7/0007: {the motor being electric} - G01D 5/204: {by influencing the mutual induction between two or more coils (G01D5/22 takes precedence)} - G01P 1/026: {for speed measuring devices, e.g. pulse generator} - G01P 3/443: {mounted in bearings (bearings F16C)} - G01P 3/488: delivered by variable reluctance detectors - B60B 27/0047: {characterised by functional integration of other elements} - B60B 2380/10: Type - B60B 2900/113: Production or maintenance time - B60B 2900/114: Size - B60B 2900/115: Complexity - B60B 2900/311: Rigidity or stiffness - B60B 2900/321: Lifetime - B60K 2007/0038: {the motor moving together with the wheel axle} - B60K 2007/0092: {the motor axle being coaxial to the wheel axle} - B60Y 2400/3032: Wheel speed sensors - G01B 7/023: {for measuring distance between sensor and object (G01B7/082 and G01B7/102 take precedence)} - G01D 2205/77: Specific profiles - B60B: VEHICLE WHEELS (making wheels or wheel parts by rolling B21H1/00, by forging, hammering or pressing B21K1/28); CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - G01D: MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR - G01P: MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT (measuring or recording blood flow A61B5/02, A61B8/06; monitoring speed or deceleration of electrically-propelled vehicles B60L3/00; vehicle lighting systems adapted to indicate speed B60Q1/54; determining position or course in navigation, measuring ground distance in geodesy or surveying G01C; combined measuring devices for measuring two or more variables of movement G01C23/00; measuring velocity of sound G01H; measuring velocity of light G01J7/00; measuring direction or velocity of solid objects by reception or emission of radiowaves or other waves and based on propagation effects, e.g. Doppler effect, propagation time, direction of propagation, G01S; measuring speed of nuclear radiation G01T; measuring acceleration of gravity G01V; {measuring or recording the speed of trains B61L23/00; speed indicators incorporated in motor vehicles B60K35/00; measuring frequency or phase G01R; traffic control G08G}) - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY - G01B: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ## Abstract Provided are an in-wheel driving device and a vehicle including the same. According to exemplary embodiments of the present disclosure, the in-wheel driving device includes: a wheel bearing including a hub forming a body; a resolver sensor provided in the inside of the wheel bearing, and including a resolver rotor and a resolver stator; and a wheel sensor partially provided in the inside of the wheel bearing, and detecting a rotation of the resolver rotor. ## Claims ### Claim 1 An in-wheel driving device, comprising: a wheel bearing including a hub forming a body; a resolver sensor provided in an inside of the wheel bearing, and including a resolver rotor and a resolver stator; a wheel sensor partially provided in the inside of the wheel bearing, and detecting a rotation of the resolver rotor; and a wheel cap to which the resolver stator is directly coupled. ### Claim 2 (depends on 1) The in-wheel driving device according to claim 1, wherein the wheel bearing includes an inner wheel coupled to an outer peripheral surface of the hub in a radial direction of the hub, and the resolver rotor is fixed to the inner wheel or the hub. ### Claim 3 (depends on 2) The in-wheel driving device according to claim 2, wherein the wheel bearing further includes: an outer wheel spaced apart outward from the inner wheel in the radial direction; a rolling element provided between the inner wheel and the outer wheel; and the wheel cap provided outside the hub in an axial direction of the hub, and coupled to the outer wheel, and the resolver sensor is provided in an inside of the wheel cap. ### Claim 4 (depends on 3) The in-wheel driving device according to claim 3, wherein the wheel sensor is partially provided in the inside of the wheel cap. ### Claim 5 (depends on 3) The in-wheel driving device according to claim 3, wherein the wheel cap includes: a first extension portion extending toward the outer wheel, and coupled to the outer wheel; and a second extension portion spaced apart inward from the first extension portion in the radial direction, and extending toward the inner wheel, and the resolver stator is coupled to the second extension portion. ### Claim 6 (depends on 1) The in-wheel driving device according to claim 1, wherein the resolver rotor has a plurality of recesses formed along an outer peripheral surface of a body part forming a body of the resolver rotor, and the wheel sensor measures a distance between the wheel sensor and the outer peripheral surface of the resolver rotor to detect the rotation of the resolver rotor. ### Claim 7 (depends on 1) The in-wheel driving device according to claim 1, wherein the resolver rotor has a plurality of holes formed along a main plane of a body part forming a body of the resolver rotor, and the wheel sensor detects presence or absence of the holes in an area where the wheel sensor faces the main plane of the resolver rotor to detect the rotation of the resolver rotor. ### Claim 8 (depends on 6) The in-wheel driving device according to claim 6, wherein the wheel sensor is spaced apart from the outer peripheral surface of the resolver rotor in a radial direction of the resolver rotor. ### Claim 9 (depends on 7) The in-wheel driving device according to claim 7, wherein the wheel sensor is spaced apart from the main plane of the resolver rotor in an axial direction of the resolver rotor. ### Claim 10 (depends on 5) The in-wheel driving device according to claim 5, wherein the wheel sensor penetrates the first extension portion so that the wheel sensor is partially provided in the inside of the wheel cap. ### Claim 11 (depends on 5) The in-wheel driving device according to claim 5, wherein the first extension portion of the wheel cap covers an outer peripheral surface of the outer wheel in the radial direction. ### Claim 12 A vehicle comprising an in-wheel driving device, wherein the in-wheel driving device includes: a wheel bearing including a hub forming a body; a resolver sensor provided in an inside of the wheel bearing, and including a resolver rotor and a resolver stator; a wheel sensor partially provided in the inside of the wheel bearing, and detecting a rotation of the resolver rotor; and a wheel cap to which the resolver stator is directly coupled.