# US 11,441,675 B2 · Inhibitor integrated actuator shift control device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,441,675 B2 - Document ID: US11441675B2 - Status: Granted - Kind: B2 - Application number: 16/887,069 - Filed: 2020-05-29 - Published: 2021-03-25 - Granted: 2022-09-13 - Earliest claimed: 2019-09-20 - Assignees: Kyung Chang Industrial Co., Ltd.; Sam Hyun Co., Ltd. - Applicants: Kyung Chang Industrial Co., Ltd.; Sam Hyun Co., Ltd. - Inventors: Dong Won Kim; Sung Joon Maeng; Dae Yeon Kim; Jin Heo; Tae Keuk Choi; Jeong Seok Kim - Web page: https://patentgrep.com/patent/US11441675B2 ## CPC - F16H 61/32: Electric motors {, actuators or related electrical control means} therefor - F16H 1/32: in which the central axis of the gearing lies inside the periphery of an orbital gear - F16H 63/304: {the final output mechanisms comprising elements moved by electrical or magnetic force (band brake actuating mechanisms F16H63/3003)} - F16H 2001/327: {with the orbital gear having internal gear teeth} - F16H 2061/326: {Actuators for range selection, i.e. actuators for controlling the range selector or the manual range valve in the transmission} - F16H: GEARING ## Abstract The present disclosure provides an inhibitor integrated actuator shift control device capable of controlling a position of a gear shift by improving control performance and durability through position control of a brushless direct current (BLDC) motor by an inductive sensor, forming a metallic uneven portion on an output shaft flange part of a reducer, and detecting a variation amount in induced current due to the metallic uneven portion. ## Claims ### Claim 1 An inhibitor integrated actuator shift control device comprising: a first housing (10); a stator (20) comprising a bobbin (21) and a coil (23) wound around the bobbin (21) disposed in the first housing (10); a rotor (30) comprising a rotor core (31) and a rotary shaft (35) connected to the rotor core (31), the rotary shaft (35) comprising an eccentric portion (35a) at one end thereof, wherein the rotor is disposed in the stator (20); a first inductive sensor (40) comprising conductive couplers (41) and a sensor plate (43), wherein the conductive couplers (41) are connected to an opposite end to the one end of the rotary shaft (35), and wherein the first inductive sensor (40) is disposed in the first housing (10); a reducer (50) comprising a sun gear (51), a ring gear (53) and an output shaft (55), wherein the sun gear (51) is connected to the eccentric portion (35a) of the rotary shaft (35) to rotate eccentrically, the ring gear (53) is inscribed with the sun gear (51), and the output shaft (55) is connected to the sun gear (51) to transmit a rotational force; a second housing (60) in which the reducer (50) is disposed; and a magnetically inductive second inductive sensor (90) on a flange part (55a) of the output shaft (55) configured to detect a rotation angle of the output shaft (55), wherein the sun gear (51) comprises teeth shaped grooves (57a) formed on a disk portion of the sun gear (51), and wherein the flange part (55a) of the output shaft (55) further comprises multifaceted teeth shaped protrusions (57b) configured to fit into the teeth-shaped grooves (57a) of the sun gear (51). ### Claim 2 (depends on 1) The inhibitor integrated actuator shift control device of claim 1, wherein the second inductive sensor (90) comprises a metallic uneven portion (91) formed on the output shaft (55), and a printed circuit board (93) provided in the second housing (60), the printed circuit board comprising a transmission coil and a reception coil which are disposed to face the uneven portion (91). ### Claim 3 (depends on 2) The inhibitor integrated actuator shift control device of claim 2, wherein the reducer (50) further comprises a multistage teeth-shaped transmission unit (59) configured to connect the sun gear (51) and the output shaft (55). ### Claim 4 (depends on 3) The inhibitor integrated actuator shift control device of claim 3, wherein the multistage teeth-shaped transmission unit (59) of the sun gear (51) comprises a base stage and an additional stage over the base stage inwardly forming a step with respect to the base stage, the additional stage comprising an external teeth (59a) and the base stage forming an outer teeth (51a), wherein the the output shaft (55) further comprises an internal teeth (59b) formed in the flange part (55a) to be inscribed with the external teeth (59a). ### Claim 5 (depends on 4) The inhibitor integrated actuator shift control device of claim 4, wherein an inner side portion of the flange part (55a) is further provided with a contact surface portion (59c) which comes into contact with the sun gear (51). ### Claim 6 (depends on 2) The inhibitor integrated actuator shift control device of claim 2, wherein the metallic uneven portion (91) of the second inductive sensor is formed on the flange part (55a) of the output shaft. ### Claim 7 (depends on 1) The inhibitor integrated actuator shift control device of claim 1, wherein the disk portion of the sun gear (51) further comprises a contact groove (57c) connected to the multifaceted teeth-shaped groove (57a) to come into contact with the flange part (55a) of the output shaft (55) to expand a contact area. ### Claim 8 (depends on 1) The inhibitor integrated actuator shift control device of claim 1, wherein the conductive coupler (41) of the first inductive sensor includes a single metal plate or a plurality of metal plates.