Patents by Inventor Bumjune SEO
Bumjune SEO 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: 11549510Abstract: A motor-operated compressor includes a compression unit including a compression chamber formed by a plurality of scrolls engaged with each other. The compressor includes a rotation shaft having one end coupled to one of the scrolls and a rotor coupled with another end of the rotation shaft. The compressor includes a stator radially separated from the rotor by a predetermined gap. The compressor includes a casing having a motor chamber. The stator is inserted in the motor chamber and divides the motor chamber into a first space and a second space. The casing includes an inlet port coupled to the first space to guide a refrigerant toward the motor chamber. The casing also includes a suction guide passage coupled to the second space to guide the refrigerant sucked through the inlet port toward the compression unit. A communication passage portion in the rotation shaft communicates the first and second spaces.Type: GrantFiled: July 19, 2019Date of Patent: January 10, 2023Assignee: LG ELECTRONICS INC.Inventors: Bumjune Seo, Ochang Gwon, Yongsoo Cho, Jongtae Her
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Patent number: 11168689Abstract: A compressor includes a first scroll and a second scroll engaged with the first scroll for performing an orbiting motion relative to the first scroll to form a compression chamber along with the first scroll. A stator is disposed at one side of the second scroll and includes a stator core. A rotor is rotatably disposed inside the stator core, and includes a rotor core. A rotary shaft has one end portion eccentrically coupled to the second scroll and the other end portion coupled to the rotor core. The rotor core is formed with at least one space portion axially recessed into the rotor core.Type: GrantFiled: June 3, 2019Date of Patent: November 9, 2021Assignee: LG ELECTRONICS INC.Inventors: Jehoon Kim, Bumjune Seo, Byeongchul Lee, Soonyong Choi
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Publication number: 20200158108Abstract: A motor operated compressor has a housing having a motor chamber and a driving motor located in the motor chamber. The compressor also has a first scroll and a second scroll coupled to the first scroll to form a compression chamber. A rotating shaft is coupled to a rotor of the driving motor and eccentrically coupled to the first scroll. A rear housing of the motor forms a discharge chamber with the second scroll. A shaft receiving portion that radially supports the rotating shaft is located either in the second scroll or in the rear housing. An oil supply guide flow path located either in the second scroll or in the rear housing connects the discharge chamber and the shaft receiving portion. A decompression member inserted into the oil supply guide flow path, reduces a pressure of a fluid passing through the oil supply guide flow path.Type: ApplicationFiled: August 22, 2019Publication date: May 21, 2020Applicant: LG ELECTRONICS INC.Inventors: Yongkyu CHOI, Honghee PARK, Bumjune SEO, Byeongchul LEE
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Publication number: 20200080556Abstract: A motor-operated compressor includes a compression unit including a compression chamber formed by a plurality of scrolls engaged with each other. The compressor includes a rotation shaft having one end coupled to one of the scrolls and a rotor coupled with another end of the rotation shaft. The compressor includes a stator radially separated from the rotor by a predetermined gap. The compressor includes a casing having a motor chamber. The stator is inserted in the motor chamber and divides the motor chamber into a first space and a second space. The casing includes an inlet port coupled to the first space to guide a refrigerant toward the motor chamber. The casing also includes a suction guide passage coupled to the second space to guide the refrigerant sucked through the inlet port toward the compression unit. A communication passage portion in the rotation shaft communicates the first and second spaces.Type: ApplicationFiled: July 19, 2019Publication date: March 12, 2020Applicant: LG ELECTRONICS INC.Inventors: Bumjune SEO, Ochang GWON, Yongsoo CHO, Jongtae HER
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Publication number: 20190376514Abstract: A compressor includes a first scroll and a second scroll engaged with the first scroll for performing an orbiting motion relative to the first scroll to form a compression chamber along with the first scroll. A stator is disposed at one side of the second scroll and includes a stator core. A rotor is rotatably disposed inside the stator core, and includes a rotor core. A rotary shaft has one end portion eccentrically coupled to the second scroll and the other end portion coupled to the rotor core. The rotor core is formed with at least one space portion axially recessed into the rotor core.Type: ApplicationFiled: June 3, 2019Publication date: December 12, 2019Applicant: LG ELECTRONICS INC.Inventors: Jehoon KIM, Bumjune SEO, Byeongchul LEE, Soonyong CHOI
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Publication number: 20190316587Abstract: A motor-operated compressor includes a casing having an inner space including a suction space and a discharge space. A first scroll is disposed in the inner space of the casing. A second scroll is configured to orbit in engagement with the first scroll to form a pair of two compression chambers between the first scroll and the second scroll. A rotary shaft is coupled to the second scroll and configured to transfer a rotational force of a driving motor to the second scroll. An intermediate pressure space is formed on one side of the second scroll and in fluid communication with the discharge space. Oil entering the intermediate pressure space from the discharge space forms back pressure supporting the second scroll toward the first scroll, and a portion of the oil flows into the suction space.Type: ApplicationFiled: April 11, 2019Publication date: October 17, 2019Applicant: LG ELECTRONICS INC.Inventors: Sanghun SEONG, Honghee PARK, Bumjune SEO, Jinyong JANG
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Publication number: 20190203710Abstract: A motor operated compressor may include a first scroll; a second scroll that forms a pair of two compression chambers between the first scroll and the second scroll while being engaged with the first scroll to perform an orbiting movement; a frame fixed in a radial direction at a side of the first scroll with the second scroll interposed between the first scroll and the frame; and a balance weight fixedly coupled to the rotation shaft, wherein the rotation shaft or the balance weight is supported on the frame in an axial direction.Type: ApplicationFiled: December 20, 2018Publication date: July 4, 2019Applicant: LG ELECTRONICS INC.Inventors: Jaesang LEE, Kyoungjun PARK, Junghoon PARK, Bumjune SEO, Byungkil YOO