# US 10,309,462 B2 · Engine clutch motor coupling structure for hybrid transmission > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,309,462 B2 - Document ID: US10309462B2 - Status: Granted - Kind: B2 - Application number: 15/379,135 - Filed: 2016-12-14 - Published: 2018-04-26 - Granted: 2019-06-04 - Earliest claimed: 2016-10-24 - Assignees: Hyundai Motor Company - Applicants: Hyundai Motor Company - Inventors: Hong Seok Yang - Web page: https://patentgrep.com/patent/US10309462B2 ## CPC - F16D 3/12: specially adapted for accumulation of energy to absorb shocks or vibration (by making use of fluid elements F16D3/80) - B60K 6/48: Parallel type - B60K 17/02: characterised by arrangement, location, or kind of clutch - F16D 3/70: comprising elastic elements arranged in holes in one coupling part and surrounding pins on the other coupling part - F16D 3/76: shaped as an elastic ring centered on the axis, surrounding a portion of one coupling part and surrounded by a sleeve of the other coupling part - F16F 15/12: using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon ({F16F15/14} , F16F15/16 take precedence) - B60K 6/40: characterised by the assembly or relative disposition of components - B60K 2006/4825: {Electric machine connected or connectable to gearbox input shaft} - B60Y 2200/92: Hybrid vehicles - B60Y 2306/09: Reducing noise - F16D 2300/22: Vibration damping - Y02T 10/62: Hybrid vehicles - Y10S 903/951: Assembly or relative location of components - F16D: COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES - 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 - F16F: SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION - Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ## Abstract An engine clutch motor coupling structure for a hybrid transmission is disclosed. The motor coupling structure couples a retainer of the engine clutch with a rotor of a motor in the hybrid transmission, and includes at least one damping unit installed in the axial direction of the rotor in a rim of the retainer between an end of the rotor and the rim of the retainer, and connected with the end of the rotor. ## Claims ### Claim 1 An engine clutch motor coupling structure for a hybrid transmission for coupling a retainer of the engine clutch with a rotor of a motor in the hybrid transmission, the motor coupling structure comprising: at least one damping unit installed in an axial direction of the rotor in the retainer between an end of the rotor and the retainer, and connected with the end of the rotor; wherein the end of the rotor includes a plurality of crowns protruding therefrom, and an edge portion of the retainer includes a plurality of radial protrusions being inserted among the crowns, and the at least one damping unit is coupled with the plurality of radial protrusions in the axial direction of the rotor and connected with an axial restraint among the crowns; wherein the at least one damping unit comprises: a washer coupled with a mounting hole formed in one of the plurality of radial protrusions in the axial direction of the rotor, and a coupling pin fitted in the washer and axially coupled with the axial restraint; and wherein the plurality of crowns are provided with a snap ring for supporting an axial compression repulsive force of the washer. ### Claim 2 (depends on 1) The motor coupling structure of claim 1, wherein: the at least one damping unit comprises a plurality of damping units disposed at intervals of 90° angles along a rotational direction of the rotor. ### Claim 3 (depends on 1) The motor coupling structure of claim 1, wherein: the plurality of crowns protrude along an axial direction of the rotor and are formed to be spaced in a concave-convex form along a rotating direction of the rotor, and the plurality of radial protrusions protrude along a radial direction of the retainer, and are formed to be spaced in a concave-convex form along the edge direction of the retainer. ### Claim 4 An engine clutch motor coupling structure for a hybrid transmission for coupling a retainer of the engine clutch with a rotor of a motor in the hybrid transmission, the motor coupling structure comprising: a plurality of crowns protruding along an axial direction of at the end of the rotor and spaced along a circumferential edge of the rotor; a plurality of radial protrusions extending from an edge portion of the retainer along a circumferential edge and inserted among the crowns; a washer coupled with a mounting hole formed in at least one radial protrusion in the axial direction of the rotor; and a coupling pin fitted into the washer and axially coupled with an axial restraint among the crowns; wherein the washer comprises; a washer body fitted into the mounting hole, a first flange integrally formed on one side of the washer body and supporting one surface of one of the plurality of radial protrusions, and a second flange integrally formed on the other side of the washer body and supporting an opposing surface of one of the plurality of radial protrusions and the axial restraint. ### Claim 5 (depends on 4) The motor coupling structure of claim 4, wherein: the washer body is formed with a coupling hole connected with the first and second flanges and coupled with the coupling pin in the axial direction of the rotor. ### Claim 6 (depends on 5) The motor coupling structure of claim 5, wherein: the axial restraint is formed with a coupling groove coupled with the coupling pin in the axial direction of the rotor. ### Claim 7 (depends on 4) The motor coupling structure of claim 4, wherein: the crowns are provided with a snap ring for supporting an axial compression repulsive force of the washer. ### Claim 8 (depends on 7) The motor coupling structure of claim 7, wherein: the crowns are provided with a mounting groove in which the snap ring is fitted.