# US 10,122,236 B2 · Methods and apparatus for mounting a motor controller on a stator assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,122,236 B2 - Document ID: US10122236B2 - Status: Granted - Kind: B2 - Application number: 14/553,356 - Filed: 2014-11-25 - Published: 2015-03-19 - Granted: 2018-11-06 - Earliest claimed: 2011-10-31 - Assignees: Regal Beloit America, Inc. - Applicants: Regal Beloit America, Inc. - Inventors: Wei Song; David M. Pierre; Kamron Wright; Paul Nathanael Selking; Donn Edward Steffen - Web page: https://patentgrep.com/patent/US10122236B2 ## CPC - H02K 5/225: {Terminal boxes or connection arrangements (specially adapted for submersible motors H02K5/132)} - H02K 5/00: Casings; Enclosures; Supports - H02K 5/207: {with openings in the casing specially adapted for ambient air} - H02K 11/33: Drive circuits, e.g. power electronics (H02K11/38 takes precedence) - H02K 15/02: of stator or rotor bodies - H02K 3/522: {for generally annular cores with salient poles} - H02K 5/04: Casings or enclosures characterised by the shape, form or construction thereof - H02K 5/22: Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes - Y10T 29/49009: Dynamoelectric machine - Y10T 29/49012: Rotor - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract An electric machine includes a motor having a motor chassis having a first and second end, a stator assembly, and a rotor assembly. The electric machine includes a motor control assembly having a circuit board. The motor control assembly is attached to the stator assembly of the motor. A first end shield is attached to the first end of the motor chassis. The first end shield includes a first opening that is configured to enable a cooling air stream to pass therethrough to cool the motor and the motor control assembly. ## Claims ### Claim 1 An electric machine comprising: a motor comprising: a motor chassis comprising a first end shield and a second end shield; a stator assembly; and a rotor assembly; a motor control assembly comprising a circuit board, said motor control assembly coupled to said stator assembly; and a mounting adapter comprising a ring segment and a mounting guide, said ring segment comprising a first side and a second side, said first side configured for engagement with said circuit board, said second side configured for direct engagement with said stator assembly, said mounting adapter operable for maintaining a position of said circuit board with respect to said stator assembly, wherein said mounting guide is configured to align said mounting adapter with one or more of said stator assembly, said motor control assembly, and said motor chassis, said mounting guide comprises a straight chord segment that intersects said ring segment at two points. ### Claim 2 (depends on 1) The electric machine according to claim 1 wherein said mounting adapter comprises a plurality of flexible snap latches that extend from said first side of said mounting adapter, said plurality of flexible snap latches operable for retaining said circuit board in position with respect to said mounting adapter. ### Claim 3 (depends on 1) The electric machine according to claim 1, wherein said stator assembly comprises at least one insulating end-cap coupled thereto. ### Claim 4 (depends on 3) The electric machine according to claim 3 wherein said second side is coupled directly to said insulating end-cap of said stator assembly. ### Claim 5 (depends on 4) The electric machine according to claim 4, wherein said mounting adapter comprises a diameter slightly less than an inside perimeter of said motor chassis. ### Claim 6 (depends on 1) The electric machine according to claim 1 wherein said circuit board comprises a hole therethrough, said hole substantially centered with a longitudinal axis of said electric machine and operable for placing a shaft of said motor therethrough for engagement with said first end shield. ### Claim 7 (depends on 1) The electric machine according to claim 1 wherein said mounting adapter further comprises a wire barrier for constraining motor wiring. ### Claim 8 (depends on 1) The electric machine according to claim 1 wherein said mounting adapter further comprises a tie wrap post for tying motor wiring. ### Claim 9 (depends on 1) The electric machine according to claim 1 wherein said mounting adapter comprises a plurality of flexible stator engaging latches that extend from said second side of said mounting adapter, said plurality of flexible stator engaging latches operable for retaining said mounting adapter and said circuit board in position with respect to said stator assembly. ### Claim 10 An electric machine comprising: a motor comprising: a motor chassis comprising a first end shield and a second end shield; a stator assembly; and a rotor assembly; a motor control assembly comprising a circuit board, said motor control assembly coupled to said stator assembly; a mounting adapter comprising a ring segment and a mounting guide, said ring segment comprising a first side, a second side, and a plurality of flexible snap latches extending from said first side, said plurality of flexible snap latches operable for retaining said circuit board in position with respect to said mounting adapter, said second side configured for engagement with said stator assembly, said mounting adapter operable for maintaining a position of said circuit board with respect to said stator assembly, wherein said mounting guide is configured to align said mounting adapter with one or more of said stator assembly, said motor control assembly, and said motor chassis, said mounting guide comprises a straight chord segment that intersects said ring segment at two points; and a mid-shield coupled to said motor chassis and spaced axially from an end shield of said motor, said mid-shield comprising a first opening configured to facilitate a cooling air stream to pass therethrough to cool said motor and said motor control assembly. ### Claim 11 An electric machine comprising: a motor comprising: a motor chassis comprising a first end shield and a second end shield; a stator assembly; and a rotor assembly; a motor control assembly comprising a circuit board, said motor control assembly coupled to said stator assembly; and a mounting adapter comprising a ring segment and a mounting guide, said ring segment comprising a first side, a second side, and a plurality of flexible snap latches extending from said first side, said plurality of flexible snap latches operable for retaining said circuit board in position with respect to said mounting adapter, said second side configured for engagement with said stator assembly, said mounting adapter operable for maintaining a position of said circuit board with respect to said stator assembly, said mounting adapter is ring shaped, wherein said mounting guide is configured to align said mounting adapter with one or more of said stator assembly, said motor control assembly, and said motor chassis, said mounting guide comprises a straight chord segment that intersects said ring segment at two points. ### Claim 12 (depends on 11) The electric machine according to claim 11 wherein said mounting adapter further comprises a wire barrier for constraining motor wiring. ### Claim 13 (depends on 11) The electric machine according to claim 11 wherein said mounting adapter further comprises a tie wrap post for tying motor wiring. ### Claim 14 (depends on 11) The electric machine according to claim 11, wherein said stator assembly comprises at least one insulating end-cap coupled thereto. ### Claim 15 (depends on 14) The electric machine according to claim 14 wherein said second side is coupled directly to said insulating end-cap of said stator assembly. ### Claim 16 (depends on 11) The electric machine according to claim 11, wherein said mounting adapter comprises a diameter less than an inside perimeter of said motor chassis. ### Claim 17 (depends on 11) The electric machine according to claim 11 wherein said circuit board comprises a hole therethrough, said hole substantially centered with a longitudinal axis of said electric machine and operable for placing a shaft of said motor therethrough for engagement with said first end shield. ### Claim 18 (depends on 11) The electric machine according to claim 11 wherein said mounting adapter comprises a plurality of flexible stator engaging latches that extend from said second side of said mounting adapter, said plurality of flexible stator engaging latches operable for retaining said mounting adapter and said circuit board in position with respect to said stator assembly.