# US 10,873,240 B2 · Motor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,873,240 B2 - Document ID: US10873240B2 - Status: Granted - Kind: B2 - Application number: 15/948,094 - Filed: 2018-04-09 - Published: 2018-12-20 - Granted: 2020-12-22 - Earliest claimed: 2017-06-15 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Kwang-Yeol Hwang; Jong Hyun Choi; In Cheol Hwang - Web page: https://patentgrep.com/patent/US10873240B2 ## CPC - H02K 5/225: {Terminal boxes or connection arrangements (specially adapted for submersible motors H02K5/132)} - H01R 13/04: Pins or blades for co-operation with sockets - H01R 13/115: U-shaped sockets having inwardly bent legs, e.g. spade type - H02K 3/521: {applicable to stators only} - F24F 1/08: Compressors specially adapted for separate outdoor units - H01R 4/184: {comprising a U-shaped wire-receiving portion} - H01R 4/2437: Curved plates - H01R 13/6273: {comprising two latching arms} - H02K 2203/06: Machines characterised by the wiring leads, i.e. conducting wires for connecting the winding terminations - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - F24F: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B15/00; vertical ducts for carrying away waste gases from buildings E04F17/02; tops for chimneys or ventilating shafts, terminals for flues F23L17/02) ## Abstract Disclosed herein is a motor including a power connector capable of preventing current leakage to the outer case and structural interference with the outer case. The motor includes a stator provided with an insulator, a rotor configured to be rotated against the stator, a power connection portion provided in the insulator, and configured to support an end of a coil wound around the stator and configured to accommodate a mag-mate terminal, and a power connector coupled to the power connection portion to connect an external power source to the coil, wherein the power connector includes a lead wire, a fork terminal coupled to an end of the lead wire to electrically connect the lead wire to the coil and a housing configured to accommodate the end of the lead wire and the fork terminal and coupled to the power connection portion. ## Claims ### Claim 1 A motor comprising: a stator provided with an insulator; a rotor configured to be rotated against the stator; a power connection portion provided in the insulator, and configured to support an end of a coil wound around the stator and configured to accommodate a terminal; and a power connector coupled to the power connection portion to connect an external power source to the coil, wherein the power connector comprises: a lead wire; a fork terminal coupled to an end of the lead wire to electrically connect the lead wire to the coil; and a housing configured to accommodate the end of the lead wire and the fork terminal and coupled to the power connection portion, wherein the end of the lead wire is extended in a direction parallel to a rotation axis of the rotor, and wherein the fork terminal is extended from the end of the lead wire to a direction parallel to the end of the lead wire. ### Claim 2 (depends on 1) The motor of claim 1, wherein the fork terminal comprises: a clamping portion configured to compress the end of the lead wire; and a fork portion extended downward from the clamping portion and configured to be in contact with the terminal. ### Claim 3 (depends on 2) The motor of claim 2, wherein the terminal comprises: a coil insertion portion incised to remove a covering of the coil upon being accommodated in the power connection portion, and an elastic contact portion configured to be in elastic contact with the fork portion. ### Claim 4 (depends on 1) The motor of claim 1, wherein the housing is formed by an insert injection in a state in which the fork terminal and the end of the lead wire are coupled to each other. ### Claim 5 (depends on 1) The motor of claim 1, wherein: the power connection portion comprises a coupling protrusion, and the housing comprises a coupling hole into which the coupling protrusion is pressed-fitted. ### Claim 6 (depends on 1) The motor of claim 1, wherein: the power connection portion comprises a pair of guide portions protruding from opposite side surfaces of the power connection portion to a lateral side, and the housing comprises a guide groove into which the pair of guide portions are inserted. ### Claim 7 (depends on 1) The motor of claim 1, wherein a width of a yoke of the stator is less than approximately 30 mm. ### Claim 8 (depends on 1) The motor of claim 1, wherein a distance between the end of the coil and an inner surface of an outer case accommodating the stator is less than approximately 5 mm. ### Claim 9 (depends on 1) The motor of claim 1, wherein the housing comprises a cover configured to cover the end of the coil to prevent the end of the coil from being exposed to the outside. ### Claim 10 (depends on 9) The motor of claim 9, wherein a distance between an outer surface of the cover and an inner surface of an outer case accommodating the stator is equal to or greater than 0.5 mm. ### Claim 11 (depends on 9) The motor of claim 9, wherein a thickness of the cover is equal to or greater than 0.5 mm. ### Claim 12 A motor for a compressor comprising: a power connection portion configured to accommodate an end of a coil wound around a stator and a terminal, and a power connector coupled to the power connection portion to supply power to the coil, wherein the power connector comprises: a lead wire; a fork terminal coupled to compress an end of the lead wire and configured to be physically and electrically connected to the terminal; and a housing configured to accommodate the end of the lead wire and the fork terminal therein and configured to cover the coil to prevent the end of the coil from being exposed to the outside, wherein the end of the lead wire is extended in a direction parallel to a rotation axis of a rotor, and wherein the fork terminal is extended form the end of the lead wire to a direction parallel to the end of the lead wire. ### Claim 13 (depends on 12) The motor of claim 12, wherein the housing is formed by an insert injection in a state in which the end of the lead wire and the fork terminal are compressed. ### Claim 14 (depends on 12) The motor of claim 12, wherein the fork terminal comprises: a clamping portion configured to compress the end of the lead wire; and a fork portion extended from the clamping portion to a direction in which the power connector is coupled to the power connection portion, and configured to be in contact with the terminal. ### Claim 15 (depends on 14) The motor of claim 14, wherein the terminal comprises: a coil insertion portion incised to remove a covering of the coil upon being accommodated in the power connection portion, and an elastic contact portion configured to be in elastic contact with the fork portion. ### Claim 16 (depends on 12) The motor of claim 12, wherein: the power connection portion comprises a coupling protrusion, and the housing comprises a coupling hole into which the coupling protrusion is pressed-fitted. ### Claim 17 (depends on 12) The motor of claim 12, wherein: the power connection portion comprises a pair of guide portions protruding from opposite side surfaces of the power connection portion to a lateral side, and the housing comprises a guide groove into which the pair of guide portions are inserted. ### Claim 18 (depends on 12) The motor of claim 12, wherein a distance between the end of the coil and an inner surface of an outer case accommodating the stator is less than approximately 5 mm. ### Claim 19 (depends on 12) The motor of claim 12, wherein a distance between an outer surface of the housing and an inner surface of an outer case accommodating the stator is equal to or greater than 0.5 mm. ### Claim 20 A motor comprising a stator around which a coil is wound, and provided with an insulator; a rotor provided inside of the stator and configured to be rotated by interacting with the stator; a power connection portion provided in one side the insulator, and provided with a coil support configured to support the coil and a terminal accommodation portion configured to accommodate the terminal; and a power connector coupled to the power connection portion to connect an external power source to the coil, wherein the power connector comprises: a lead wire; and a fork terminal provided with a clamping portion coupled to an end of the lead wire and a fork portion coupled to the terminal, wherein the clamping portion and the fork portion are arranged on top and bottom, wherein the end of the lead wire is extended in a direction parallel to a rotation axis of the rotor, and wherein the fork terminal is extended from the end of the lead wire to a direction parallel to the end of the lead wire.