Patents by Inventor Woochul LIM
Woochul LIM has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11841057Abstract: An electro-mechanical brake and a vehicle including the same are provided. As an electro-mechanical brake according to an aspect of the present invention, an electro-mechanical brake including a pair of brake pads disposed on both sides of a disc, may include a motor that provides a rotational driving force; a rotating screw that rotates about a second rotating shaft parallel to a first rotating shaft of the motor; a power transmission unit that transmits the rotational driving force of the motor to the rotating screw; and a piston that is coupled to the rotating screw to be able to move forward and backward to press the disc with the brake pads.Type: GrantFiled: February 1, 2023Date of Patent: December 12, 2023Assignee: HL MANDO CORPORATIONInventors: Joon-kyu Song, Pyeong Kook Son, Jin Seok Kim, Woochul Lim, Dae June Jung
-
Publication number: 20230375058Abstract: A brake locking apparatus for locking the position of a brake pad in a vehicle, the brake locking apparatus may include: a housing; a first rotating member including: a first body part inside the housing configured to rotate in conjunction with movement of the brake pad, and a first protrusion including a first support surface extending radially outwardly from a first side of the first body part, wherein the first body part is cylindrical; and an elastic member including: a spring part positioned on a circumferential side of the first body part and having an outer circumferential surface adjacent an inner surface of the housing, and a first bent part bent inwardly at a first end of the spring part to elastically support the first support surface.Type: ApplicationFiled: May 19, 2023Publication date: November 23, 2023Inventors: DAEJUNE JUNG, WOOCHUL LIM, JOON-KYU SONG
-
Patent number: 11821480Abstract: Provided are an electromechanical brake and a vehicle including the same. An electromechanical brake according to an embodiment of the present disclosure includes a pair of brake pads disposed at two opposite sides of a disc and include a hollow motor configured to provide rotational driving power and having an internal space penetratively formed in a direction in which a rotation axis extends, a nut configured to rotate about the rotation axis of the motor, a Power train coupled to a front side of the motor and configured to transmit the rotational driving power of the motor to the nut, and a pressing screw coupled to the nut and configured to advance or retreat toward the brake pad.Type: GrantFiled: October 27, 2022Date of Patent: November 21, 2023Assignee: HL MANDO CORPORATIONInventors: Woochul Lim, Dae June Jung, Joon-Kyu Song
-
Patent number: 11772625Abstract: Provided are an electromechanical brake and a vehicle including the same.Type: GrantFiled: October 27, 2022Date of Patent: October 3, 2023Assignee: HL MANDO CORPORATIONInventors: Woochul Lim, Joon-Kyu Song, Pyeong Kook Son, Jin Seok Kim, Dae June Jung
-
Publication number: 20230175565Abstract: An electro-mechanical brake and a vehicle including the same are provided. As an electro-mechanical brake according to an aspect of the present invention, an electro-mechanical brake including a pair of brake pads disposed on both sides of a disc, may include a motor that provides a rotational driving force; a rotating screw that rotates about a second rotating shaft parallel to a first rotating shaft of the motor; a power transmission unit that transmits the rotational driving force of the motor to the rotating screw; and a piston that is coupled to the rotating screw to be able to move forward and backward to press the disc with the brake pads.Type: ApplicationFiled: February 1, 2023Publication date: June 8, 2023Inventors: Joon-kyu SONG, Pyeong Kook SON, Jin Seok KIM, Woochul LIM, Dae June JUNG
-
Publication number: 20230131753Abstract: Provided are an electromechanical brake and a vehicle including the same. An electromechanical brake according to an embodiment of the present disclosure includes a pair of brake pads disposed at two opposite sides of a disc and include a hollow motor configured to provide rotational driving power and having an internal space penetratively formed in a direction in which a rotation axis extends, a nut configured to rotate about the rotation axis of the motor, a Power train coupled to a front side of the motor and configured to transmit the rotational driving power of the motor to the nut, and a pressing screw coupled to the nut and configured to advance or retreat toward the brake pad.Type: ApplicationFiled: October 27, 2022Publication date: April 27, 2023Inventors: Woochul LIM, Dae June JUNG, Joon-Kyu SONG
-
Publication number: 20230130314Abstract: Provided are an electromechanical brake and a vehicle including the same.Type: ApplicationFiled: October 27, 2022Publication date: April 27, 2023Inventors: Woochul LIM, Joon-Kyu SONG, Pyeong Kook SON, Jin Seok KIM, Dae June JUNG
-
Patent number: 11629766Abstract: An electro-mechanical brake and a vehicle including the same are provided. As an electro-mechanical brake according to an aspect of the present invention, an electro-mechanical brake including a pair of brake pads disposed on both sides of a disc, may include a motor that provides a rotational driving force; a rotating screw that rotates about a second rotating shaft parallel to a first rotating shaft of the motor; a power transmission unit that transmits the rotational driving force of the motor to the rotating screw; and a piston that is coupled to the rotating screw to be able to move forward and backward to press the disc with the brake pads.Type: GrantFiled: August 11, 2022Date of Patent: April 18, 2023Assignee: HL MANDO CORPORATIONInventors: Joon-Kyu Song, Pyeong Kook Son, Jin Seok Kim, Woochul Lim, Dae June Jung
-
Publication number: 20230082813Abstract: Disclosed herein an electric parking brake including a ball-screw type power conversion unit installed in a caliper housing to convert a rotational force into a linear motion, The electric parking brake includes a motor configured to generate a rotational force, a first gear unit including a first connection portion, the first connection portion directly connected to a main helical gear provided on a motor shaft of the motor, a second gear unit including a second connection portion, the second connection portion spaced apart from the first connection portion by a predetermined distance and directly connected to the main helical gear, and a reduction gear unit connected to any one of the first gear unit and the second gear unit and configured to transmit the rotational force generated from the motor to a spindle of the power conversion unit, wherein any one of the first and second gear units is configured to perform a self-locking function when a parking braking force is generated.Type: ApplicationFiled: September 14, 2022Publication date: March 16, 2023Applicant: MANDO CORPORATIONInventors: Woochul LIM, Daejune JUNG
-
Publication number: 20230062142Abstract: An electro-mechanical brake and a vehicle including the same are provided. As an electro-mechanical brake according to an aspect of the present invention, an electro-mechanical brake including a pair of brake pads disposed on both sides of a disc, may include a motor that provides a rotational driving force; a rotating screw that rotates about a second rotating shaft parallel to a first rotating shaft of the motor; a power transmission unit that transmits the rotational driving force of the motor to the rotating screw; and a piston that is coupled to the rotating screw to be able to move forward and backward to press the disc with the brake pads.Type: ApplicationFiled: August 11, 2022Publication date: March 2, 2023Inventors: Joon-kyu SONG, Pyeong Kook SON, Jin Seok KIM, Woochul LIM, Dae June JUNG
-
Publication number: 20230060796Abstract: An electro-mechanical brake and a vehicle including the same are provided. As an electro-mechanical brake according to one embodiment of the present invention, an electro-mechanical brake including a drum, a first brake shoe, and a second brake shoe, may include a motor that provides a rotational driving force; a rotating member that rotates about a second rotating shaft perpendicular to a first rotating shaft of the motor; a power transmission member that transmits the rotational driving force of the motor to the rotating member; and a rotating screw that is coupled to the rotating member so that the first brake shoe is able to move forward and backward toward one inner peripheral surface of the drum.Type: ApplicationFiled: August 10, 2022Publication date: March 2, 2023Applicant: MANDO CorporationInventors: Pyeong Kook SON, Woochul LIM
-
Publication number: 20230068562Abstract: Disclosed is an actuator for a brake device.Type: ApplicationFiled: January 19, 2021Publication date: March 2, 2023Applicant: MANDO CORPORATIONInventors: Woochul LIM, Soosung KIM, Daejune JUNG, Joon-kyu SONG
-
Publication number: 20230046722Abstract: The present disclosure relates to an actuator for a brake device. The actuator includes a housing having a motor accommodating part and a gear accommodating part, a motor accommodated in the motor accommodating part, and a reduction device accommodated in the gear accommodating part, wherein the reduction device includes, a crossed helical gear reduction unit including a driving crossed helical gear coupled to a shaft of the motor, and a ring wheel provided with a driven crossed helical gear engaged with the driving crossed helical gear on an outer circumference thereof, and a planetary gear reduction unit including a sun gear rotating together with the ring wheel, a ring gear provided as an internal gear, a plurality of planetary gears engaged with the sun gear and the ring gear, and a carrier on which the plurality of planetary gears is rotatably supported and having an output shaft.Type: ApplicationFiled: January 25, 2021Publication date: February 16, 2023Applicant: MANDO CORPORATIONInventors: Woochul LIM, Soosung KIM, Daejune JUNG, Joon-kyu SONG
-
Patent number: 11578773Abstract: An electro-mechanical brake and a vehicle including the same are provided. As an electro-mechanical brake according to one embodiment of the present invention, an electro-mechanical brake including a drum, a first brake shoe, and a second brake shoe, may include a motor that provides a rotational driving force; a rotating member that rotates about a second rotating shaft perpendicular to a first rotating shaft of the motor; a power transmission member that transmits the rotational driving force of the motor to the rotating member; and a rotating screw that is coupled to the rotating member so that the first brake shoe is able to move forward and backward toward one inner peripheral surface of the drum.Type: GrantFiled: August 10, 2022Date of Patent: February 14, 2023Assignee: HL Mando CorporationInventors: Pyeong Kook Son, Woochul Lim
-
Publication number: 20220297660Abstract: Disclosed herein an electric parking brake includes a pair of pressing portions provided in a caliper housing to convert rotational motion into linear motion to press a brake pad; an actuator configured to transmit power to the pair of pressing portions; and a load control portion provided rotatably between the pair of pressing portions and the actuator, the load control portion applying a uniform load to the pair of pressing portions by pressing any one of the pair of pressing portions that generates a less load during braking operation.Type: ApplicationFiled: March 10, 2022Publication date: September 22, 2022Inventors: Woochul LIM, Joon-Kyu Song, Daejune Jung
-
Publication number: 20220185256Abstract: An actuator of an electric parking brake is disclosed. According to one embodiment of the present invention, an actuator of an electric parking brake is provided, the actuator including a driving part which generates a rotation force, a first gear part which transmits the rotation force of the driving part, a second gear part including a rotation shaft which receives the rotation force from the first gear part to rotate, and a rotation shaft control part which is disposed at one side of the second gear part on the rotation shaft, provides a degree of rotational freedom to the rotation shaft during braking, and prevents reverse rotation of the second gear part due to a reverse rotation torque by fixing the rotation shaft when the braking is completed.Type: ApplicationFiled: March 26, 2020Publication date: June 16, 2022Inventor: Woochul LIM
-
Publication number: 20220169226Abstract: An actuator of an electric parking brake is disclosed. An actuator of an electric parking brake according to one embodiment of the present invention includes a driving unit which outputs a rotational force through a driving shaft, a first gear unit which receives the rotational force from the driving unit, a second gear unit including a rotation shaft which receives the rotational force from the first gear unit to rotate, and a driving shaft control unit which is disposed on the driving shaft, provides a degree of rotational freedom to the driving shaft during braking, and fixes the driving shaft to prevent reverse rotation of the driving shaft due to a reverse rotation torque when the braking is ended.Type: ApplicationFiled: March 26, 2020Publication date: June 2, 2022Inventor: Woochul LIM
-
Publication number: 20220163075Abstract: The present invention relates to an electronic parking brake and, more specifically, to an electronic parking brake in which an electronic actuator is applied to a drum brake, wherein noise can be reduced when transmitting the driving power of a driving motor, and a rotary shaft of the driving motor and a rotary shaft of a wheel cylinder can be arranged so as to be inclined relative to each other.Type: ApplicationFiled: April 8, 2020Publication date: May 26, 2022Inventor: Woochul LIM