Patents by Inventor Chang Hee JEONG
Chang Hee JEONG 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).
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Publication number: 20240151286Abstract: Disclosed is a device for sensing atmosphere temperature in a vehicle brake, the device including a space formed in a brake lining, the space being open toward a drum, a through-hole formed through a brake shoe, a case fitted in the through-hole, the case being fixed to the through-hole by a plurality of fixing means, an insertion recess formed in the case, the insertion recess being formed so as to be open to the rear, an aeration hole formed in a front end of the case, the aeration hole being configured to allow the space and the insertion recess to be connected to each other such that aeration is performed therebetween, a temperature sensor fitted in the insertion recess, the temperature sensor being configured to measure frictional braking temperature transferred to the space, and a fixing member configured to fix the temperature sensor.Type: ApplicationFiled: November 30, 2022Publication date: May 9, 2024Inventors: Chang Hee YOO, Jung Gyu HWANG, Jin Su JANG, Uk Jin JEONG
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Publication number: 20240109350Abstract: The present disclosure relates to a portable printer including a main body in a portable form which is capable of accommodating a cartridge having a nozzle for delivering a printing material to a target having a soft or hard surface, a seating part which is provided to be exposed to an outside from a lower portion of the main body to face the surface of the target and at least partially surrounds the nozzle, a roller provided respectively at the front and rear of the nozzle at the lower portion of the main body with respect to a direction in which the main body moves along the surface of the target to deliver the printing material to the target, and a printing adjustment unit configured to adjust a height difference between the nozzle and the roller to adjust a height difference between the nozzle and the surface of the target.Type: ApplicationFiled: October 20, 2022Publication date: April 4, 2024Applicant: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Chang Hwan HYUN, Ji Hee LEE, Kang Ug LEE, Sung Hyoun JANG, Hyeon Jin KWEON, Hae Na CHEONG, Ji Hee JEONG, Jung Yong LEE, Ha Young KIM
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Patent number: 11940932Abstract: Provided is an operating method of a storage device. The method includes providing temperature information of each of a plurality of volatile memory devices in the storage device to a host device; and receiving a setting command related to a refresh operation of the plurality of volatile memory devices from the host device, wherein the plurality of volatile memory devices are classified into groups based on temperature information, and wherein the setting command indicates a number of rows of the plurality of volatile memory devices to be refreshed differently for each of the groups based on the temperature information.Type: GrantFiled: June 28, 2021Date of Patent: March 26, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Doo Hwan Oh, Seung-Hun Lee, Jin Hun Jeong, Chang Ho Yun, Kyung-Hee Han
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Publication number: 20240066919Abstract: A drive axle assembly capable of reducing drag torque by eliminating an inner bearing seal from a wheel bearing and capable of reducing the generation of frictional noise at corrugations of a boot. The drive axle assembly includes a wheel bearing assembled with a wheel housing, an outer ring having a ring shape and including an outer-diameter portion secured to an outer wheel of a wheel bearing, a boot including a large-diameter portion formed at one end thereof and assembled with an inner-diameter portion of the outer ring, and a bearing seal unit disposed between a small-diameter portion formed at the other end of the boot and a drive shaft to restrict rotation of the boot and to prevent introduction of foreign substances.Type: ApplicationFiled: August 25, 2022Publication date: February 29, 2024Inventors: Chang Hee JEONG, Hee Joon KIM, Bum Jae LEE
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Patent number: 11850884Abstract: A hub built-in type constant velocity apparatus includes a hub housing with a constant velocity joint coupled inwardly, an internal race coupled to an external circumferential surface of the hub housing, and a pre-load ring coupled to the external circumferential surface of the hub housing and located on a side of the internal race, wherein an end portion of the hub housing is formed to be rolled upwards toward the pre-load ring to form a forming portion coupled to the pre-load spring for applying pressure to the pre-load ring and the internal race.Type: GrantFiled: November 4, 2020Date of Patent: December 26, 2023Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Wia CorporationInventors: Sung Su Yoo, Won Jun Choi, Hee Il Kim, Chang Hee Jeong, Yeong Wook Cho, Bum Jae Lee
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Publication number: 20230400066Abstract: A constant velocity joint for a vehicle. The constant velocity joint includes: an axle housing fixed to a knuckle by a hub bearing, and a joint assembly inserted into the axle housing to transmit power from a shaft to the axle housing through a plurality of joint balls. In particular, the axle housing includes an extension portion which is extended from an end portion of the axle housing in a radial direction of the axle housing, and the extension portion provides a pressing force to an inner race of the hub bearing in an axial direction of the axle housing. The constant velocity joint further includes a boot surrounding an outer side of the extension portion and coupled to the extension portion so as to form a restraining force between the extension portion and the boot in the axial direction.Type: ApplicationFiled: August 28, 2023Publication date: December 14, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAI WIA CorporationInventors: Sung Su Yoo, Won Jun Choi, Hee Il Kim, Chang Hee Jeong, Yeong Wook Cho, Bum Jae Lee
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Patent number: 11787231Abstract: A hub built-in type constant velocity joint may include a plurality of wheel guide coupling portions to which wheel guides are configured to be coupled, and a hub housing which is formed between the wheel guide coupling portions and in which a discharge portion is formed to be stepped with each of the wheel guide coupling portions and configured to discharge foreign materials to the outside.Type: GrantFiled: September 30, 2020Date of Patent: October 17, 2023Assignees: Hyundai Motor Company, Kia Motors Corporation, HYUNDAI WIA CorporationInventors: Sung Su Yoo, Won Jun Choi, Hee Il Kim, Soo Kyoung Lee, Bum Jae Lee, Chang Hee Jeong
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Patent number: 11773912Abstract: A constant velocity joint for a vehicle. The constant velocity joint includes: an axle housing fixed to a knuckle by a hub bearing, and a joint assembly inserted into the axle housing to transmit power from a shaft to the axle housing through a plurality of joint balls. In particular, the axle housing includes an extension portion which is extended from an end portion of the axle housing in a radial direction of the axle housing, and the extension portion provides a pressing force to an inner race of the hub bearing in an axial direction of the axle housing. The constant velocity joint further includes a boot surrounding an outer side of the extension portion and coupled to the extension portion so as to form a restraining force between the extension portion and the boot in the axial direction.Type: GrantFiled: March 1, 2021Date of Patent: October 3, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, HYUNDAI WIA CorporationInventors: Sung Su Yoo, Won Jun Choi, Hee Il Kim, Chang Hee Jeong, Yeong Wook Cho, Bum Jae Lee
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Publication number: 20230123906Abstract: A drive axle assembly which increases a maximum bending angle by improving a structure of a shaft bearing supported by a drive shaft and makes an assembly structure compact. The drive axle assembly is preferably configured to include, a wheel bearing assembled to an axle housing, a boot having a large diameter portion of one end connected to an outer ring of the wheel bearing, a drive shaft having an orbit formed along a circumferential direction of an outer circumferential surface, and a shaft bearing assembled between a small diameter portion of the other end of the boot and the drive shaft, and configured to restrict the rotation of the boot as a rolling element is rotated along the orbit.Type: ApplicationFiled: October 11, 2022Publication date: April 20, 2023Inventor: Chang Hee JEONG
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Publication number: 20230111825Abstract: A drive axle assembly includes a wheel bearing mounted to an axle housing, a shaft assembly including a first shaft on an inboard side thereof to which a driving force of a power train is transmitted, and a second shaft on an outboard side thereof which is shaft-connected to the inside of the axle housing by a constant-velocity joint and is separably assembled to the first shaft, and a boot assembly including a first end portion fixed to an external ring of the wheel bearing and a second end portion assembled to the shaft assembly to be rotatable relative to the shaft assembly, and configured to restrict rotation of the boot and prevent foreign substances from being introduced therein.Type: ApplicationFiled: August 24, 2022Publication date: April 13, 2023Applicants: Hyundai Motor Company, Kia Corporation, HYUNDAI WIA CorporationInventors: Sung Su Yoo, Seok Ho Bae, Hee Il Kim, Chang Hee Jeong, Yeong Wook Cho, Bum Jae Lee
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Patent number: 11541689Abstract: An axle assembly for drive wheels of vehicles includes a steering knuckle, an axle housing coupled to an inside of the steering knuckle, a wheel disc that is fixed to the axle housing to be rotatable integrally with the axle housing, and a drive shaft that is coupled to the axle housing to be rotatable integrally with the axle housing. A hub bearing is disposed between the steering knuckle and the axle housing. A forming part is formed at an end of the axle housing in a state in which a bearing inner race of the hub bearing is coupled to an outer circumferential surface of the axle housing, and the bearing inner race is engaged with a side part of the axle housing by the forming part in a state in which the forming part is pressed against a side end of the bearing inner race.Type: GrantFiled: April 29, 2020Date of Patent: January 3, 2023Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Wia CorporationInventors: Sung Su Yoo, Won Jun Choi, Hee Il Kim, Bum Jae Lee, Chang Hee Jeong, Ki Dong Park
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Publication number: 20220410624Abstract: A hub built-in type drive axle includes one hub housing assuming a role of an external race of a constant velocity joint and a role of a wheel hub simultaneously, wherein the outboard constant velocity joint center is positioned within the full length of the hub housing, and a structure in which a bear housing and a boot assembly ring, including a boot, do not rotate whether the driveshaft 1 rotates is maintained so that performance may be improved, durability may be enhanced, and noise may be minimized.Type: ApplicationFiled: May 31, 2022Publication date: December 29, 2022Applicants: Hyundai Motor Company, Kia Corporation, HYUNDAI WIA CorporationInventors: Sung Su Yoo, Seok Ho Bae, Hee Il Kim, Chang Hee Jeong, Bum Jae Lee, Hee Joon Kim
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Publication number: 20220258530Abstract: A hub-integrated-type constant-velocity joint device in which one hub housing (40) functions as both an outer race of a constant velocity joint and a wheel hub combining a disc (2) of a wheel and a knuckle (3). In this configuration, a boot sealing portion (110) integrally formed at a boot (50) is inserted in a gap (35) between an inner race (32) and an outer race (33) of a bearing (30), thereby functioning as an inner seal closing up the gap between the inner race (32) and the outer race (33).Type: ApplicationFiled: July 14, 2020Publication date: August 18, 2022Applicant: HYUNDAI WIA CORPORATIONInventor: Chang Hee JEONG
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Publication number: 20220049744Abstract: A constant velocity joint for a vehicle includes: an axle housing fixed to a knuckle by a hub bearing; a joint assembly inserted into an inner diameter portion of the axle housing and configured to transmit power from a shaft to the axle housing through a plurality of joint balls; an extension portion formed by deforming an end portion of the axle housing on an inward side of a vehicle body to extend in a radial direction of the axle housing so as to provide a pressing force to an inner race of the hub bearing in an axial direction of the axle housing; and a boot having one side surrounding an outer side of the extension portion to be coupled to the extension portion so as to form a restraining force between the extension portion and the boot in the axial direction.Type: ApplicationFiled: March 1, 2021Publication date: February 17, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, HYUNDAI WIA CorporationInventors: Sung Su YOO, Won Jun CHOI, Hee Il KIM, Chang Hee JEONG, Yeong Wook CHO, Bum Jae LEE
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Publication number: 20210394553Abstract: A hub built-in type constant velocity joint may include a plurality of wheel guide coupling portions to which wheel guides are configured to be coupled, and a hub housing which is formed between the wheel guide coupling portions and in which a discharge portion is formed to be stepped with each of the wheel guide coupling portions and configured to discharge foreign materials to the outside.Type: ApplicationFiled: September 30, 2020Publication date: December 23, 2021Applicants: Hyundai Motor Company, Kia Motors Corporation, HYUNDAI WIA CorporationInventors: Sung Su YOO, Won Jun CHOI, Hee Il KIM, Soo Kyoung LEE, Bum Jae LEE, Chang Hee JEONG
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Publication number: 20210362544Abstract: A hub built-in type constant velocity apparatus includes a hub housing with a constant velocity joint coupled inwardly, an internal race coupled to an external circumferential surface of the hub housing, and a pre-load ring coupled to the external circumferential surface of the hub housing and located on a side of the internal race, wherein an end portion of the hub housing is formed to be rolled upwards toward the pre-load ring to form a forming portion coupled to the pre-load spring for applying pressure to the pre-load ring and the internal race.Type: ApplicationFiled: November 4, 2020Publication date: November 25, 2021Applicants: Hyundai Motor Company, Kia Motors Corporation, Hyundai Wia CorporationInventors: Sung Su YOO, Won Jun CHOI, Hee Il KIM, Chang Hee JEONG, Yeong Wook CHO, Bum Jae LEE
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Patent number: 11124020Abstract: A constant velocity joint assembly integrated with a wheel hub device may include an internal race coupled to an end portion of a driveshaft, a plurality of joint balls held in the internal race, and a hub housing accommodating and coupling the internal race holding the joint balls therein, with a bearing coupled to an external circumferential surface thereof, the hub housing provided as an external race of a constant velocity joint and the wheel hub device.Type: GrantFiled: August 24, 2018Date of Patent: September 21, 2021Assignees: Hyundai Motor Company, Kia Motors Corp., HYUNDAI WAI CorporationInventors: Won Jun Choi, Hee Il Kim, Kong Sup Jung, Ki Dong Park, Chang Hee Jeong, Bum Jae Lee
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Publication number: 20200369084Abstract: An axle assembly for drive wheels of vehicles includes a steering knuckle, an axle housing coupled to an inside of the steering knuckle, a wheel disc that is fixed to the axle housing to be rotatable integrally with the axle housing, and a drive shaft that is coupled to the axle housing to be rotatable integrally with the axle housing. A hub bearing is disposed between the steering knuckle and the axle housing. A forming part is formed at an end of the axle housing in a state in which a bearing inner race of the hub bearing is coupled to an outer circumferential surface of the axle housing, and the bearing inner race is engaged with a side part of the axle housing by the forming part in a state in which the forming part is pressed against a side end of the bearing inner race.Type: ApplicationFiled: April 29, 2020Publication date: November 26, 2020Inventors: Sung Su Yoo, Won Jun Choi, Hee Il Kim, Bum Jae Lee, Chang Hee Jeong, Ki Dong Park
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Publication number: 20190344618Abstract: A constant velocity joint assembly integrated with a wheel hub device may include an internal race coupled to an end portion of a driveshaft, a plurality of joint balls held in the internal race, and a hub housing accommodating and coupling the internal race holding the joint balls therein, with a bearing coupled to an external circumferential surface thereof, the hub housing provided as an external race of a constant velocity joint and the wheel hub device.Type: ApplicationFiled: August 24, 2018Publication date: November 14, 2019Applicants: Hyundai Motor Company, Kia Motors Corp., HYUNDAI WAI CorporationInventors: Won Jun CHOI, Hee IL KIM, Kong Sup JUNG, Ki Dong PARK, Chang Hee JEONG, Bum Jae LEE