Patents by Inventor Chang-Yeon Cho
Chang-Yeon Cho 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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Patent number: 11549509Abstract: An electric hydraulic pump for a transmission includes: a motor including a motor cover, a motor case coupled with the motor cover, and a stator and a rotor disposed within the motor cover and the motor case; and a pump including a pump case forming a pump chamber, and a gear rotor which is disposed within the pump chamber, connected with the rotor through a motor shaft and receives rotational power of the motor. In particular, a plurality of oil circulation holes are formed in the motor cover and a connecting hole is formed in the motor cover corresponding to the pump case, and an oil flow channel is formed within the pump case for connecting the connecting hole and an oil inlet of the pump chamber.Type: GrantFiled: July 17, 2019Date of Patent: January 10, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sung Wook Jang, Kihyup Kim, Woo Jung Kim, June Ho Lee, Jin Seung Lim, Seungwan Noh, Youngho Moon, Taegeun Kim, Jaeyeol Yun, Jungwook Lee, Chulwan Park, Chi Hun Cho, Gyu Chull Doh, Kyoo Ho Lee, Hyun Chul Kim, Joung Chul Kim, Hyun Duk Chang, Jin Hee Lee, Yongho Jung, Chang Yeon Cho, Yun Seok Sung, Hyeonjin Kim, Joo Hang Lee
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Publication number: 20200309121Abstract: An electric hydraulic pump for a transmission includes: a motor including a motor cover, a motor case coupled with the motor cover, and a stator and a rotor disposed within the motor cover and the motor case; and a pump including a pump case forming a pump chamber, and a gear rotor which is disposed within the pump chamber, connected with the rotor through a motor shaft and receives rotational power of the motor. In particular, a plurality of oil circulation holes are formed in the motor cover and a connecting hole is formed in the motor cover corresponding to the pump case, and an oil flow channel is formed within the pump case for connecting the connecting hole and an oil inlet of the pump chamber.Type: ApplicationFiled: July 17, 2019Publication date: October 1, 2020Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sung Wook JANG, Kihyup KIM, Woo Jung KIM, June Ho LEE, Jin Seung LIM, Seungwan NOH, Youngho MOON, Taegeun KIM, Jaeyeol YUN, Jungwook LEE, Chulwan PARK, Chi Hun CHO, Gyu Chull DOH, Kyoo Ho LEE, Hyun Chul KIM, Joung Chul KIM, Hyun Duk CHANG, Jin Hee LEE, Yongho JUNG, Chang Yeon CHO, Yun Seok SUNG, Hyeonjin KIM, Joo Hang LEE
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Patent number: 10428940Abstract: Disclosed is a hydraulic pressure supply system of a dual clutch transmission for a vehicle in which by independently configuring a low pressure supply route and a high pressure supply route, the hydraulic pressure supply system can enable a low hydraulic pressure that is generated in a hydraulic pump for a low pressure to be supplied to a gear lubrication device and a clutch cooling/lubrication device and enable a low hydraulic pressure that is generated in a hydraulic pump for a high pressure to be supplied to a gear control device and a clutch control device.Type: GrantFiled: December 13, 2016Date of Patent: October 1, 2019Assignee: Hyundai Motor CompanyInventors: Yong Uk Shin, Hyun Chul Kim, Woochurl Son, Chang Yeon Cho, Woo Jin Chang, Wonmin Cho, Hyu Tae Shim
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Patent number: 10313013Abstract: Provided are an electronic apparatus and a method for operating the electronic apparatus. The electronic apparatus includes a power controller configured to control a supplying of power with respect to a plurality of optical fiber lines which are configured for facilitating a data transfer between the electronic apparatus and an external apparatus; and a processor configured to determine a data rate that corresponds to the data transfer between the electronic apparatus and the external apparatus, to determine a number of the optical fiber lines to be used for performing the data transfer based on the determined data rate, and to control the power controller to supply power to the determined number of the optical fiber lines.Type: GrantFiled: May 30, 2017Date of Patent: June 4, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sun-woo Kim, Chang-hun Bae, Chang-yeon Cho
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Patent number: 10190661Abstract: A transmission for vehicles may include first and second input shafts to selectively receive power of a drive source via first and second clutches, first and second output shafts parallel to the first and second input shafts, a shift device including gear pairs tooth-engaged with the first and second input shafts and the first and second output shafts and having different gear ratios, one gear pair conforming to a running speed being selected by a synchronizer to shift and output power of the drive source, and a reverse idler gear provided at a reverse idler shaft to be tooth-engaged with an input gear of the first or second input shaft and tooth-engaged with an output gear of the first or second output shaft, the reverse idler gear being selected by a reverse synchronizer to transmit power from the input gear to the output gear.Type: GrantFiled: November 9, 2015Date of Patent: January 29, 2019Assignee: Hyundai Motor CompanyInventors: Yeo Hyeon Gwon, Choung Wan Son, Chang Yeon Cho, Hyun Chul Kim, Jin Beom Seo, Ki Jong Park
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Publication number: 20180034548Abstract: Provided are an electronic apparatus and a method for operating the electronic apparatus. The electronic apparatus includes a power controller configured to control a supplying of power with respect to a plurality of optical fiber lines which are configured for facilitating a data transfer between the electronic apparatus and an external apparatus; and a processor configured to determine a data rate that corresponds to the data transfer between the electronic apparatus and the external apparatus, to determine a number of the optical fiber lines to be used for performing the data transfer based on the determined data rate, and to control the power controller to supply power to the determined number of the optical fiber lines.Type: ApplicationFiled: May 30, 2017Publication date: February 1, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sun-woo KIM, Chang-hun BAE, Chang-yeon CHO
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Publication number: 20180023701Abstract: Disclosed is a hydraulic pressure supply system of a dual clutch transmission for a vehicle in which by independently configuring a low pressure supply route and a high pressure supply route, the hydraulic pressure supply system can enable a low hydraulic pressure that is generated in a hydraulic pump for a low pressure to be supplied to a gear lubrication device and a clutch cooling/lubrication device and enable a low hydraulic pressure that is generated in a hydraulic pump for a high pressure to be supplied to a gear control device and a clutch control device.Type: ApplicationFiled: December 13, 2016Publication date: January 25, 2018Applicant: Hyundai Motor CompanyInventors: Yong Uk SHIN, Hyun Chul KIM, Woochurl SON, Chang Yeon CHO, Woo Jin CHANG, Wonmin CHO, Hyu Tae SHIM
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Publication number: 20170150083Abstract: A video signal transmission device, for transmitting additional information through a video signal including an active section where pixel data is transmitted and a blank section where the pixel data is not transmitted, is provided. The device includes a packer configured to receive the video signal and the additional information, and in response to a bit value with respect to the additional information being changed, insert a signal representing a change of the bit value into the video signal, adjust the blank section according to insertion of the signal representing the change of the bit value, and output the video signal where the blank section has been adjusted and an encoder configured to encode the video signal where the blank section has been adjusted.Type: ApplicationFiled: November 23, 2016Publication date: May 25, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Se-jun KIM, Chang-yeon CHO
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Publication number: 20170023104Abstract: A transmission for vehicles may include first and second input shafts to selectively receive power of a drive source via first and second clutches, first and second output shafts parallel to the first and second input shafts, a shift device including gear pairs tooth-engaged with the first and second input shafts and the first and second output shafts and having different gear ratios, one gear pair conforming to a running speed being selected by a synchronizer to shift and output power of the drive source, and a reverse idler gear provided at a reverse idler shaft to be tooth-engaged with an input gear of the first or second input shaft and tooth-engaged with an output gear of the first or second output shaft, the reverse idler gear being selected by a reverse synchronizer to transmit power from the input gear to the output gear.Type: ApplicationFiled: November 9, 2015Publication date: January 26, 2017Applicant: Hyundai Motor CompanyInventors: Yeo Hyeon Gwon, Choung Wan SON, Chang Yeon CHO, Hyun Chul KIM, Jin Beom SEO, Ki Jong PARK
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Patent number: 9145952Abstract: A power transmitting apparatus may selectively transmit torque of power source to two input shafts through two clutches and may output changed torque through two output shafts after the torque selectively transmitted to the two input shafts is changed. The two input shafts may respectively have a plurality of input gears fixed thereon, the two output shafts may respectively have a plurality of speed gears rotatable on the output shafts and a plurality of synchronizers operably connecting each speed gear to any one of the output shafts, and each input gear may be engaged with at least one speed gear.Type: GrantFiled: December 30, 2013Date of Patent: September 29, 2015Assignee: HYUNDAI MOTOR COMPANYInventors: Sueng Ho Lee, Jongsool Park, Kyeonghun Lee, Choung Wan Son, Chang Yeon Cho, Jong Min Kim
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Publication number: 20150101430Abstract: A power transmitting apparatus may selectively transmit torque of power source to two input shafts through two clutches and may output changed torque through two output shafts after the torque selectively transmitted to the two input shafts is changed, wherein the two input shafts may respectively have a plurality of input gears fixed thereon, the two output shafts may respectively have a plurality of speed gears rotatable on the output shafts and a plurality of synchronizers operably connecting each speed gear to any one of the output shafts, and each input gear may be engaged with at least one speed gear.Type: ApplicationFiled: December 26, 2013Publication date: April 16, 2015Applicant: Hyundai Motor CompanyInventors: Sueng Ho LEE, Jongsool Park, Kyeonghun Lee, Choung Wan Son, Chang Yeon Cho, Jong Min Kim
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Patent number: 9003905Abstract: A power transmitting apparatus may selectively transmit torque of power source to two input shafts through two clutches and may output changed torque through two output shafts after the torque selectively transmitted to the two input shafts is changed, wherein the two input shafts may respectively have a plurality of input gears fixed thereon, the two output shafts may respectively have a plurality of speed gears rotatable on the output shafts and a plurality of synchronizers operably connecting each speed gear to any one of the output shafts, and each input gear may be engaged with at least one speed gear.Type: GrantFiled: December 26, 2013Date of Patent: April 14, 2015Assignee: Hyundai Motor CompanyInventors: Sueng Ho Lee, Jongsool Park, Kyeonghun Lee, Choung Wan Son, Chang Yeon Cho, Jong Min Kim
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Publication number: 20150096393Abstract: A power transmitting apparatus may selectively transmit torque of power source to two input shafts through two clutches and may output changed torque through two output shafts after the torque selectively transmitted to the two input shafts is changed. The two input shafts may respectively have a plurality of input gears fixed thereon, the two output shafts may respectively have a plurality of speed gears rotatable on the output shafts and a plurality of synchronizers operably connecting each speed gear to any one of the output shafts, and each input gear may be engaged with at least one speed gear.Type: ApplicationFiled: December 30, 2013Publication date: April 9, 2015Applicant: Hyundai Motor CompanyInventors: Sueng Ho Lee, Jongsool Park, Kyeonghun Lee, Choung Wan Son, Chang Yeon Cho, Jong Min Kim
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Publication number: 20140123806Abstract: A double clutch powertrain for a vehicle makes smooth starting of the vehicle and smooth gear shifting possible despite using a dry type double clutch and makes regenerative braking and power generation possible when the vehicle decelerates, thus improving the driving characteristics of the vehicle, and enhancing the fuel efficiency of the vehicle.Type: ApplicationFiled: September 13, 2013Publication date: May 8, 2014Applicant: Hyundai Motor CompanyInventors: Seung Ho LEE, Jong Min KIM, Hyung Wook CHO, Sang Won SEO, Jong Sool PARK, Byeong Wook JEON, Joung Chul KIM, Chang Yeon CHO
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Publication number: 20020020597Abstract: Disclosed herein is a manual transmission synchronizer for automobiles. The manual transmission synchronizer is operated in such a way that a sleeve engaged with a clutch hub is moved in the direction of the manipulation of a gearshift lever by the manipulation of the gearshift lever, synchronizer keys push a synchronizer ring due to the movement of the sleeve, the synchronizer ring is brought into tight contact with and synchronized with the cone portion of a clutch gear by the pushing of the synchronizer ring, and the gear portions of the synchronizer ring and the clutch gear are moved into and engaged with the inner gear portion of the sleeve, thereby performing the shifting of gears.Type: ApplicationFiled: December 20, 2000Publication date: February 21, 2002Inventor: Chang-Yeon Cho