# US 11,114,919 B2 · Actuator > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,114,919 B2 - Document ID: US11114919B2 - Status: Granted - Kind: B2 - Application number: 16/528,669 - Filed: 2019-08-01 - Published: 2020-02-06 - Granted: 2021-09-07 - Earliest claimed: 2018-08-01 - Assignees: Johnson Electric International AG - Applicants: Johnson Electric International AG - Inventors: Yvan Bourqui; Daniel Soncini; Frederic Haenni - Web page: https://patentgrep.com/patent/US11114919B2 ## CPC - H02K 7/116: with gears - H02K 1/14: Stator cores with salient poles - H02K 1/146: {consisting of a generally annular yoke with salient poles} - H02K 1/185: {to outer stators} - H02K 15/14: Casings; Enclosures; Supports - H02K 5/26: Means for adjusting casings relative to their supports - H02K 15/12: Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines - H02K 15/16: Centring rotors within the stators - H02K 37/16: having horseshoe armature cores - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) ## Abstract An actuator is provided which comprises an actuator housing having an inside surface defining a stator-receiving portion and a stator. The stator-receiving portion comprises a rotor support element, and plurality of guide projections which are spaced-apart about the rotor support element, the plurality of stator-abutment projections being integrally formed with the inside surface. The stator has a plurality of locator recesses which are engagable with the plurality of stator-abutment projections when the stator is received at the stator-receiving portion of the actuator housing to locate the stator relative to the actuator housing. ## Claims ### Claim 1 An actuator comprising: an actuator housing having an inside surface defining a stator-receiving portion, the stator-receiving portion comprising a rotor support element, and a plurality of stator-abutment projections which are spaced-apart about the rotor support element, the plurality of stator-abutment projections being integrally formed with the inside surface; and a stator having a plurality of locator recesses which are abuttably engagable with the plurality of stator-abutment projections when the stator is received at the stator-receiving portion of the actuator housing to locate the stator relative to the actuator housing, each said stator-abutment projection comprises a central support and a locator head extending laterally from the central support, and a rotor-facing surface of each the locator heads towards the rotor support element, and the rotor-facing surface of each locator head contacts a rotor-proximate inner surface of the locator recess when the stator is received at the stator-receiving portion. ### Claim 2 (depends on 1) The actuator as claimed in claim 1, wherein each locator head has an arcuate or substantially arcuate or trapezoidal profile. ### Claim 3 (depends on 1) The actuator as claimed in claim 1, wherein each locator recess of the stator is formed by a pair of lateral projections extending from the stator. ### Claim 4 (depends on 1) The actuator as claimed in claim 1, wherein the plurality of stator-abutment projections is equi-angularly spaced around the rotor support element. ### Claim 5 (depends on 1) The actuator as claimed in claim 1, wherein the stator is a star-shaped stator comprising a plurality of stator elements and a coil body with which the plurality of stator elements is engagable. ### Claim 6 (depends on 5) The actuator as claimed in claim 5, wherein each stator element includes a central locator arm insertable into the coil body and a pair of outer arms engagable about the coil body, each of the outer arms including a stop for at least in part forming a said locator recess. ### Claim 7 (depends on 5) The actuator as claimed in claim 5, wherein each locator recess is formed at an interface between adjacent stator elements. ### Claim 8 (depends on 5) The actuator as claimed in claim 5, wherein a number of the stator elements is equal to a number of the stator-abutment projections. ### Claim 9 (depends on 1) The actuator as claimed in claim 1, wherein the stator-receiving portion further comprises a plurality of secondary guide elements for aligning the stator, the secondary guide elements being provided as upstanding stator-arm support walls. ### Claim 10 (depends on 1) The actuator as claimed in claim 1, wherein the stator-abutment projections in use abut against an outer surface of the stator. ### Claim 11 An actuator comprising: an actuator housing having an inside surface defining a stator-receiving portion, the stator-receiving portion comprising a rotor support element, and a plurality of stator-abutment projections which are spaced-apart about the rotor support element, the plurality of stator-abutment projections being integrally formed with the inside surface; and a stator having a plurality of locator recesses which are abuttably engagable with the plurality of stator-abutment projections when the stator is received at the stator-receiving portion of the actuator housing to locate the stator relative to the actuator housing, and each said stator-abutment projection comprises a central support and a locator head extending laterally from the central support, and each locator recess of the stator is formed by a pair of lateral projections extending from the stator. ### Claim 12 (depends on 11) The actuator as claimed in claim 11, wherein the plurality of stator-abutment projections is equi-angularly spaced around the rotor support element. ### Claim 13 (depends on 11) The actuator as claimed in claim 11, wherein the stator is a star-shaped stator comprising a plurality of stator elements and a coil body with which the plurality of stator elements is engagable. ### Claim 14 (depends on 13) The actuator as claimed in claim 13, wherein each stator element includes a central locator arm insertable into the coil body and a pair of outer arms engagable about the coil body, each of the outer arms including a stop for at least in part forming a said locator recess. ### Claim 15 (depends on 11) The actuator as claimed in claim 11, wherein the stator-receiving portion further comprises a plurality of secondary guide elements for aligning the stator, the secondary guide elements being provided as upstanding stator-arm support walls.