Patents by Inventor Sung-cheol Lee
Sung-cheol Lee 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: 20240123386Abstract: A filter holder comprises: a plurality of filter frames disposed such that at least some thereof are adjacent to each other; and a folding member which supports filter frames, from among the plurality of filter frames, adjacent to each other so as to be rotatable with respect to each other. The folding member comprises: a folding part which has a predetermined thickness and is flexible so as to be foldable by means of rotation of the adjacent filter frames adjacent with respect to each other; and a plurality of edge parts which are connected to the respective sides of the folding part with the folding portion therebetween and rotate together with the adjacent filter frames, and wherein when viewed from a cross-section of the folding member, the edge parts may have a greater thickness than the folding part.Type: ApplicationFiled: January 28, 2022Publication date: April 18, 2024Applicant: COWAY CO.,LTD.Inventors: Yoon Hyuck CHOI, Hyun Kyu LEE, Jong Cheol KIM, Seung Ki KIM, Sung Sil KANG, Ju Hyun BAEK, Chan Jung PARK
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Publication number: 20240100464Abstract: An air filter comprises: a first filter frame in which a plurality of first chambers are formed; a second filter frame in which a plurality of second chambers are formed and which is arranged at the rear of the first filter frame; and a filter material which is accommodated in the plurality of first chambers and the plurality of second chambers to filter air, wherein the first filter frame and the second filter frame are arranged so that, when seen from the front, the center of each of the plurality of second chambers is out of line with the center of each of the plurality of first chambers, in the vertical direction.Type: ApplicationFiled: January 28, 2022Publication date: March 28, 2024Applicant: COWAY CO., LTD.Inventors: Yoon Hyuck CHOI, Hyun Kyu LEE, Jong Cheol KIM, Seung Ki KIM, Sung Sil KANG, Ju Hyun BAEK, Chan Jung PARK
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Publication number: 20240102611Abstract: A low profile flat bombe for Liquefied Petroleum Gas (LPG) storage and method for manufacturing the same, may include a flat bombe body including an upper plate having a plurality of first piercing holes and a pump installation hole formed therethrough, a lower plate having a plurality of second piercing holes formed therethrough at positions vertically coinciding with the plurality of first piercing holes, and side plates integrally connecting first and second side end portions of the upper and lower plates, end plates mounted at front and rear openings in the flat bombe body, and support pipes, wherein upper end portions of the support pipes are welded to internal circumferential portions of the plurality of first piercing holes and lower end portions thereof are welded to internal circumferential portions of the plurality of second piercing holes to maintain a vertical distance between the upper and lower plates.Type: ApplicationFiled: December 6, 2023Publication date: March 28, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DAE HUNG PRECISION IND'L CO., LTD.Inventors: Seong Cheol Cho, Sung Won Lee, Ju Tae Song, Seung Hyun Yeo, Duk Hee Park
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Publication number: 20240096894Abstract: A semiconductor device includes a first semiconductor layer having first and second regions, a plurality of first channel layers spaced apart from each other in a vertical direction on the first region of the first semiconductor layer, a first gate electrode surrounding the plurality of first channel layers, a plurality of second channel layers spaced apart from one another in the vertical direction on the second region of the first semiconductor layer, and a second gate electrode surrounding the plurality of second channel layers, wherein each of the plurality of first channel layers has a first crystallographic orientation, and each of the plurality of second channel layers has a second crystallographic orientation different from the first crystallographic orientation, and wherein a thickness of each of the plurality of first channel layers is different from a thickness of each of the plurality of second channel layers.Type: ApplicationFiled: November 28, 2023Publication date: March 21, 2024Inventors: Woo Cheol SHIN, Myung Gil KANG, Sadaaki MASUOKA, Sang Hoon LEE, Sung Man WHANG
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Patent number: 8857010Abstract: A vacuum cleaner includes a cleaner body including a suction source configured to generate a suction force, a suction inlet body configured to inhale dust on a surface to be cleaned using the suction force of the suction source, a dust bucket detachably installed on the cleaner body, a cyclonic unit formed inside the dust bucket and configured to centrifuge the dust from air flowed in through the suction inlet body, and a paper-shredder installed on a top of the dust bucket and configured to communicate with the top of the dust bucket so that shredded pieces of paper are dropped inside a dust collecting space of the dust bucket.Type: GrantFiled: May 8, 2013Date of Patent: October 14, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jang-keun Kim, Kang Kim, Chang-hyun Park, Jae-jin Aum, Yong-jae Yong, Sung-cheol Lee, Jun-hwa Lee, Jun-hoo Choe
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Publication number: 20130239358Abstract: A vacuum cleaner includes a cleaner body including a suction source configured to generate a suction force, a suction inlet body configured to inhale dust on a surface to be cleaned using the suction force of the suction source, a dust bucket detachably installed on the cleaner body, a cyclonic unit formed inside the dust bucket and configured to centrifuge the dust from air flowed in through the suction inlet body, and a paper-shredder installed on a top of the dust bucket and configured to communicate with the top of the dust bucket so that shredded pieces of paper are dropped inside a dust collecting space of the dust bucket.Type: ApplicationFiled: May 8, 2013Publication date: September 19, 2013Applicant: Samsung Electronics Co., Ltd.Inventors: Jang-keun Kim, Kang Kim, Chang-hyun Park, Jae-jin Aum, Yong-jae Yong, Sung-cheol Lee, Jun-hwa Lee, Jun-hoo Choe
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Patent number: 8522395Abstract: A vacuum cleaner includes a cleaner body having a suction source for generating a suction force; a suction nozzle assembly to draw in a dust or dirt from a surface to be cleaned by using the suction force of the suction source; a cyclone unit to separate the dust or dirt drawn in through the suction nozzle assembly from an air; a dust bin detachably disposed to the cleaner body to collect the dust or dirt separated at the cyclone unit; and a shredder to shred a paper, the shredder being detachably communicated with an opening of the dust bin to collect the shredded paper into the dust bin.Type: GrantFiled: January 31, 2012Date of Patent: September 3, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Jang-keun Oh, Jun-hwa Lee, Sung-cheol Lee, Jae-jin Aum, Chang-hyun Park, Jun-hoo Choe, Yong-jae Yong, Kang Kim
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Patent number: 8458856Abstract: An upright type cleaner that uniformly provides a suction force through the whole area of a suction port. The upright type cleaner includes a body having a fan motor that generates suction force, a suction brush provided at a lower portion of the body and having a suction port to perform a cleaning operation relative to a floor using the suction force, a rotating drum installed in the suction brush, a belt connected between the rotating drum and the fan motor, a belt cover that guides the belt and divides the suction port into two suction areas, and a connection path through which the two suction areas are communicated to each other about the belt cover.Type: GrantFiled: January 30, 2008Date of Patent: June 11, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Byoung In Lee, Jae Man Joo, Tae Seok Yoon, Hyung Il Jeon, Sung Cheol Lee
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Publication number: 20130007981Abstract: A vacuum cleaner includes a cleaner body having a suction source for generating a suction force; a suction nozzle assembly to draw in a dust or dirt from a surface to be cleaned by using the suction force of the suction source; a cyclone unit to separate the dust or dirt drawn in through the suction nozzle assembly from an air; a dust bin detachably disposed to the cleaner body to collect the dust or dirt separated at the cyclone unit; and a shredder to shred a paper, the shredder being detachably communicated with an opening of the dust bin to collect the shredded paper into the dust bin.Type: ApplicationFiled: January 31, 2012Publication date: January 10, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jang-keun Oh, Jun-hwa Lee, Sung-cheol Lee, Jae-jin Aum, Chang-hyun Park, Jun-hoo Choe, Yong-jae Yong, Kang Kim
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Patent number: 7856694Abstract: A nozzle assembly of a vacuum cleaner is provided that includes a casing, a suction port, a drum brush, a fan, and a blocking plate. The drum brush is rotatably disposed in the casing so drum bristles hit a surface being cleaned. The fan is disposed in the casing to be rotated by air drawn in through the suction port so that the fan rotates the drum brush. The blocking plate is adjacent to the front of the fan to screen most of the fan except for a lower portion of the fan. The fan includes a circular fan body, a shaft member, and a plurality of blades. The inside edge of each of the blades is at a distance from the shaft member so that the drawn-in air passes through a space defined between the inside edge of each of the blades and the shaft member.Type: GrantFiled: January 10, 2008Date of Patent: December 28, 2010Assignee: Samsung Gwangju Electronics co., Ltd.Inventors: Sung-cheol Lee, Jang-keun Oh, Hwa-gyu Song, Chae-hoon Sohn, I-sun Park
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Patent number: 7716784Abstract: A suction port assembly and vacuum cleaner having the same is disclosed. The suction port assembly includes a casing comprising a suction port which draws in dust from a surface being cleaned; a drum brush which is disposed rotatably in the casing, on an external surface of which a plurality of bristles are arranged to shake off dust from the surface being cleaned; and a rib which is disposed at a position close to the drum brush, is mounted in the casing so that its one end is in contact with the bristles, and detaches the dust from the bristles when the drum brush rotates; and wherein the bristles are contacted on a slant relative to the rib to prevent the drum brush from rotating when the casing is pulled towards a user.Type: GrantFiled: October 19, 2007Date of Patent: May 18, 2010Assignee: Samsung Gwangju Electronics Co., LtdInventors: Dong-houn Yang, Hiroyuki Uratani, Hwa-gyu Song, Sung-cheol Lee, Hyun-ju Lee
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Patent number: 7596829Abstract: A vacuum cleaner is disclosed which comprises a motor chamber for mounting a motor assembly that, generates a suction force at a dust suction port, and a discharge port for guiding an air discharged from the motor chamber to the outside of a cleaner body, wherein the motor chamber comprises an air discharge opening which is in fluid communication with the discharge port; and a path extension member disposed between the motor assembly and the air discharge opening, of which edges are spaced apart from an inner wall of the motor chamber by a predetermined distance, respectively, to thereby form a detour path, and the air discharged from the motor assembly is guided in a circuitous manner by the path extension member so as to be passed through the detour path before reaching the air discharge opening. That assembly effectively reduces noise generated during operation of the motor assembly that is detectable outside of the cleaner body.Type: GrantFiled: March 6, 2006Date of Patent: October 6, 2009Assignee: Samsung Gwangju Electronics Co., Ltd.Inventors: Hwa-gyu Song, Sung-cheol Lee, Hyun-jun Oh
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Publication number: 20090038110Abstract: A nozzle assembly of a vacuum cleaner is provided that includes a casing, a suction port, a drum brush, a fan, and a blocking plate. The drum brush is rotatably disposed in the casing so drum bristles hit a surface being cleaned. The fan is disposed in the casing to be rotated by air drawn in through the suction port so that the fan rotates the drum brush. The blocking plate is adjacent to the front of the fan to screen most of the fan except for a lower portion of the fan. The fan includes a circular fan body, a shaft member, and a plurality of blades. The inside edge of each of the blades is at a distance from the shaft member so that the drawn-in air passes through a space defined between the inside edge of each of the blades and the shaft member.Type: ApplicationFiled: January 10, 2008Publication date: February 12, 2009Inventors: Sung-cheol Lee, Jang-keun Oh, Hwa-gyu Song, Chae-hoon Sohn, I-sun Park
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Publication number: 20080289138Abstract: A suction port assembly and vacuum cleaner having the same is disclosed. The suction port assembly includes a casing comprising a suction port which draws in dust from a surface being cleaned; a drum brush which is disposed rotatably in the casing, on an external surface of which a plurality of bristles are arranged to shake off dust from the surface being cleaned; and a rib which is disposed at a position close to the drum brush, is mounted in the casing so that its one end is in contact with the bristles, and detaches the dust from the bristles when the drum brush rotates; and wherein the bristles are contacted on a slant relative to the rib to prevent the drum brush from rotating when the casing is pulled towards a user.Type: ApplicationFiled: October 19, 2007Publication date: November 27, 2008Inventors: Dong-Houn Yang, Hiroyuki Uratani, Hwa-Gyu Song, Sung-Cheol Lee, Hyun-Ju Lee
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Patent number: 7429284Abstract: A cyclone dust collecting apparatus comprises at least one second cyclone unit having a first cyclone unit, an air passage for guiding air discharging via the first cyclone unit, and a discharge pipe wherein the discharge pipe comprises a passage guide member for guiding air discharged from the second cyclone unit. Because the passage guide member is mounted in the discharge pipe of the second cyclone part, a load of suction source reduces to decrease power consumption for operation of a cyclone dust collecting apparatus.Type: GrantFiled: March 3, 2005Date of Patent: September 30, 2008Assignee: Samsung Gwangju Electronics Co., Ltd.Inventors: Jang-Keun Oh, Sung-Cheol Lee
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Publication number: 20080223472Abstract: A flexible hose includes a bellows pipe wall and an air barrier. The bellows pipe wall includes peaks defined on an outer surface of the bellows pipe wall, valleys is adjacent a respective peak, and grooves defined on an inner surface of the bellows pipe wall. Each groove is under a respective peak. The air barrier is near each of the grooves to prevent air from entering the grooves.Type: ApplicationFiled: October 2, 2007Publication date: September 18, 2008Inventors: Kyong-hui Jeon, Hwa-gyu Song, Sung-cheol Lee
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Publication number: 20080209672Abstract: An upright type cleaner that uniformly provides a suction force through the whole area of a suction port. The upright type cleaner includes a body having a fan motor that generates suction force, a suction brush provided at a lower portion of the body and having a suction port to perform a cleaning operation relative to a floor using the suction force, a rotating drum installed in the suction brush, a belt connected between the rotating drum and the fan motor, a belt cover that guides the belt and divides the suction port into two suction areas, and a connection path through which the two suction areas are communicated to each other about the belt cover.Type: ApplicationFiled: January 30, 2008Publication date: September 4, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Byoung In Lee, Jae Man Joo, Tae Seok Yoon, Hyung Il Jeon, Sung Cheol Lee
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Patent number: 7410535Abstract: A cyclone separating apparatus and a vacuum cleaner having the same are provided. The cyclone separating apparatus includes a cyclone body including a cyclone chamber and a dust collecting chamber, a cover unit connected to an upper portion of the cyclone body, a door unit openably mounted to a bottom portion of the cyclone body, and at least one noise reducing rib formed in an air discharging pipe in the cyclone chamber.Type: GrantFiled: March 4, 2005Date of Patent: August 12, 2008Assignee: Samsung Gwangju Electronics Co., Ltd.Inventors: Hwa-Gyu Song, Jae-Man Joo, Jun-Hwa Lee, Jang-Kuen Oh, Sung-Cheol Lee
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Patent number: 7334987Abstract: A fan assembly for a vacuum cleaner, comprising a motor, an impeller rotatably coupled to the motor, and having a plurality of impeller wings, and a diffuser having a plurality of diffuser wings arranged along an outer circumference of the impeller. The plurality of diffuser wings includes first and second parts, the second part extending from an angle of the first part adjacent to the outer circumference of the impeller.Type: GrantFiled: June 20, 2006Date of Patent: February 26, 2008Assignee: Samsung Gwangju Electronics Co., Ltd.Inventors: Hyun-jun Oh, Seung-gee Hong, Hwa-gyu Song, Sung-cheol Lee
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Publication number: 20070136982Abstract: Inside the main body of a vacuum cleaner is a motor casing covering the motor; on one side of the motor casing a removable filter is attached, through which air from inside the motor casing passes before being discharged inside the main body of the vacuum cleaner.Type: ApplicationFiled: August 23, 2006Publication date: June 21, 2007Inventors: Sung-Cheol Lee, Hyun-jun Oh