Patents by Inventor Hyung-Pyo Yoon
Hyung-Pyo Yoon 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: 9007670Abstract: Disclosed are injection moldings, an injection-molding apparatus and a method thereof. The injection-molding apparatus comprises: a cavity mold having a cavity; a core mold having a core surface to form a molding space for injection moldings when being joined to the cavity mold; a heating unit for heating the cavity mold or the core mold; a cooling unit for cooling the cavity mold or the core mold; and a patterning stamp having a micrometer or nanometer sized pattern and provided on an inner surface of the molding space. According to the injection-molding apparatus, a micrometer or nanometer sized pattern is formed on a surface of injection moldings so as to have a super-hydrophobic characteristic and an optical characteristic, and a micrometer or nanometer sized pattern of a complex structure can be implemented.Type: GrantFiled: August 28, 2007Date of Patent: April 14, 2015Assignee: LG Electronics Inc.Inventors: Hyun-Woo Jun, Young-Bae Kim, Chang-Il Jung, Seok-Jae Jeong, Hyung-Pyo Yoon
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Patent number: 8500225Abstract: The reinforcing component for a refrigerator, which is formed by mixing a base material as a synthetic resin material and a supplement component formed by arranging reinforcing fibers according to a pultrusion method, and combined with one or more portions of on one portion of an inner side of an outer case of the refrigerator to contact with foam, a corner of the bottom of the refrigerator or in a mechanic chamber of the refrigerator, an outer plate or an inner plate of a door of the refrigerator, and the interior of a side wall forming an inner space of the refrigerator can reduce the weight of the refrigerator while maintaining the strength.Type: GrantFiled: September 5, 2007Date of Patent: August 6, 2013Assignee: LG Electronics Inc.Inventors: Young-Bae Kim, Kyung-Do Kim, Hyung-Pyo Yoon
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Patent number: 8049374Abstract: A mover assembly of a reciprocating motor includes: a mover body disposed at a gap between an inner stator and an outer stator; permanent magnets fixed at an outer circumferential surface of the mover body and reciprocally moved together with the mover body in a direction of an induction magnetic field between the inner stator and the outer stator; and a mixed member made of a fiber and a resin to cover and fix the permanent magnets. The permanent magnets are arranged at an outer circumferential face of the mover body, covered with the mixed member obtained by mixing a fiber and a resin, and hardened to be fixed. Therefore, the permanent magnets can be firmly and easily fixed at the mover body. In addition, by molding the mover body with a non-magnetic and non-conductive material, leakage of the magnetic force of the permanent magnets can be prevented.Type: GrantFiled: June 22, 2005Date of Patent: November 1, 2011Assignee: LG Electronics Inc.Inventors: Bon-Cheol Ku, Jin-Yoong Do, Hyung-Pyo Yoon, Si-Hang Jeon, Won-Hyuk Jung
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Patent number: 7922463Abstract: Disclosed herein is a linear compressor wherein a compression unit, including a cylinder and a linear motor, is supported by a frame mounted in a hermetic container. The frame is die cast using diamagnetic zinc having a high forming accuracy, thereby preventing an electromagnetic force of the linear motor from being leaked therethrough, and enabling a reduction in the number of machining times thereof after die casting.Type: GrantFiled: October 21, 2005Date of Patent: April 12, 2011Assignee: LG Electronics Inc.Inventors: Jong Koo Lee, Jin Taek Oh, Kwang Wook Kim, Min Chul Han, Gye Young Song, Hyung Pyo Yoon, Kwang Ha Suh, Kyoung Seok Kang
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Publication number: 20110069361Abstract: Disclosed are injection moldings, an injection-molding apparatus and a method thereof. The injection-molding apparatus comprises: a cavity mold having a cavity; a core mold having a core surface to form a molding space for injection moldings when being joined to the cavity mold; a heating unit for heating the cavity mold or the core mold; a cooling unit for cooling the cavity mold or the core mold; and a patterning stamp having a micrometer or nanometer sized pattern and provided on an inner surface of the molding space. According to the injection-molding apparatus, a micrometer or nanometer sized pattern is formed on a surface of injection moldings so as to have a super-hydrophobic characteristic and an optical characteristic, and a micrometer or nanometer sized pattern of a complex structure can be implemented.Type: ApplicationFiled: August 28, 2007Publication date: March 24, 2011Applicant: LG ELECTRONICS INC.Inventors: Hyun-Woo Jun, Young-Bae Kim, Chang-Il Jung, Seok-Jae Jeong, Hyung-Pyo Yoon
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Patent number: 7766036Abstract: A discharge valve (100) of a compressor is disclosed. The discharge valve (100) contains a spring-loaded valve body (120). Valve body (120) is preferably made of nonferrous metal like aluminum or magnesium and is coated by a covering (110) of uniform thickness, the covering (110) being preferably made of plastic material like polyetheretherketone (PEEK) by insertion molding. By that way a wear resistant and light-weight discharge valve is produced.Type: GrantFiled: November 11, 2005Date of Patent: August 3, 2010Assignee: LG Electronics Inc.Inventors: Jong-Yoon Choi, Sang-Wook Ahn, Bon-Cheol Ku, Hyung-Pyo Yoon, Hyo-Jae Lee, Seong-Yeol Hyeon
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Publication number: 20100181883Abstract: The reinforcing component for a refrigerator, which is formed by mixing a base material as a synthetic resin material and a supplement component formed by arranging reinforcing fibers according to a pultrusion method, and combined with one or more portions of on one portion of an inner side of an outer case of the refrigerator to contact with foam, a corner of the bottom of the refrigerator or in a mechanic chamber of the refrigerator, an outer plate or an inner plate of a door of the refrigerator, and the interior of a side wall forming an inner space of the refrigerator can reduce the weight of the refrigerator while maintaining the strength.Type: ApplicationFiled: September 5, 2007Publication date: July 22, 2010Applicant: LG Electronices Inc.Inventors: Young-Bae Kim, Kyung-Do Kim, Hyung-Pyo Yoon
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Patent number: 7436089Abstract: A reciprocating motor comprising an outer stator (110) having a cylindrical shape by radially stacking a plurality of lamination sheets (112) at the outside of a bobbin (160) in which a winding coil is wound; an inner stator (120) disposed in the outer stator (110) at a certain air gap from an inner circumference of the outer stator, and having a cylindrical shape by radially stacking a plurality of lamination sheets (122); a magnet paddle (140) disposed between the outer stator and the inner stator, and having a plurality of magnets (130) installed at a circumference thereof; a terminal part (170) provided at one side of the outer stator, and having a magnetic force balancing part (80) at which lamination sheets are not stacked, provided at the outer stator at the same interval on the basis of the terminal part in a circumferential direction of the outer stator.Type: GrantFiled: October 15, 2003Date of Patent: October 14, 2008Assignee: LG Electronics Inc.Inventor: Hyung-Pyo Yoon
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Publication number: 20070295410Abstract: A discharge valve (100) of a compressor is disclosed. The discharge vlave (100) contains a spring-loaded valve body (120). Valve body (120) is preferably made of nonferrous metal like aluminum or magnesium and is coated by a covering (110) of uniform thickness, the covering (110) beeing preferably made of plastic material like polyetheretherketone (PEEK) by insertion molding. By that way a wear resistant and light-weight discharge valve is produced.Type: ApplicationFiled: November 11, 2005Publication date: December 27, 2007Inventors: Jong-Yoon Choi, Sang-Wook Ahn, Bon-Cheol Ku, Hyung-Pyo Yoon, Hyo-Jae Lee, Seong-Yeol Hyeon
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Publication number: 20060280630Abstract: Disclosed herein is a linear compressor wherein a compression unit, including a cylinder and a linear motor, is supported by a frame mounted in a hermetic container. The frame is die cast using diamagnetic zinc having a high forming accuracy, thereby preventing an electromagnetic force of the linear motor from being leaked therethrough, and enabling a reduction in the number of machining times thereof after die casting.Type: ApplicationFiled: October 21, 2005Publication date: December 14, 2006Applicant: LG Electronics Inc.Inventors: Jong Lee, Jin Oh, Kwang Kim, Min Han, Gye Song, Hyung-Pyo Yoon, Kwang Suh, Kyoung Kang
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Publication number: 20060145546Abstract: A reciprocating motor comprising an outer stator (110) having a cylindrical shape by radially stacking a plurality of lamination sheets (112) at the outside of a bobbin (160) in which a winding coil is wound; an inner stator (120) disposed in the outer stator (110) at a certain air gap from an inner circumference of the outer stator, and having a cylindrical shape by radially stacking a plurality of lamination sheets (122); a magnet paddle (140) disposed between the outer stator and the inner stator, and having a plurality of magnets (130) installed at a circumference thereof; a terminal part (170) provided at one side of the outer stator and a magnetic force balancing part (80) at which lamination sheets are not stacked, provided at the outer stator at the same interval on the basis of the terminal part in a circumferential direction of the outer stator.Type: ApplicationFiled: October 15, 2003Publication date: July 6, 2006Inventor: Hyung-Pyo Yoon
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Patent number: 7028601Abstract: In an abrasion preventive structure of a reciprocating compressor, by forming a coating layer made of Ni—P alloy material having high hardness onto the surface of a frame at which front (92) and rear (93) resonance springs are contacted or spring mounting grooves (91a, 92a) of a spring supporting rod (91) or spring fixation protrusions or the inner circumference of a cylinder built-in type frame, although each resonance spring (92, 93) is rotated while repeating compression/relaxation, it is possible to prevent abrasion of the spring mounting grooves (91a, 92a) or the spring fixation protrusions, and accordingly reliability of the compressor can be improved.Type: GrantFiled: October 31, 2002Date of Patent: April 18, 2006Assignee: LG Electronics Inc.Inventors: Hyung-Pyo Yoon, Kyeong-Weon Lee
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Publication number: 20050235481Abstract: A mover assembly of a reciprocating motor includes: a mover body disposed at a gap between an inner stator and an outer stator; permanent magnets fixed at an outer circumferential surface of the mover body and reciprocally moved together with the mover body in a direction of an induction magnetic field between the inner stator and the outer stator; and a mixed member made of a fiber and a resin to cover and fix the permanent magnets. The permanent magnets are arranged at an outer circumferential face of the mover body, covered with the mixed member obtained by mixing a fiber and a resin, and hardened to be fixed. Therefore, the permanent magnets can be firmly and easily fixed at the mover body. In addition, by molding the mover body with a non-magnetic and non-conductive material, leakage of the magnetic force of the permanent magnets can be prevented.Type: ApplicationFiled: June 22, 2005Publication date: October 27, 2005Applicant: LG Electronics Inc.Inventors: Bon-Cheol Ku, Jin-Yoong Do, Hyung-Pyo Yoon, Si-Hang Jeon, Won-Hyun Jung
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Patent number: 6956315Abstract: A stator for a reciprocating motor includes a bobbin made of an insulating material in which a winding coil is located; a terminal unit forming a single body with the bobbin and connecting the winding coil electrically with an outer power source; and a core unit stacked radially along with the bobbin started from one side of the terminal unit. Therefore, the winding coil and the bobbin can be coupled in simple way, and the core unit can be stacked simply and precisely, so the mass productivity of the motor is able to be increased. Also, the size of the core unit is able to be managed simply and precisely, and then, the contact and impact with other components constructing the motor is prevented, whereby the reliability of the motor can be improved.Type: GrantFiled: May 25, 2001Date of Patent: October 18, 2005Assignee: LG Electronics Inc.Inventors: Hyung-Pyo Yoon, Si-Hang Jeon, Jin-Yeong Do, Hyeong-Suk Kim, Kyeong-Bae Park
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Patent number: 6920682Abstract: A mover assembly of a reciprocating motor includes: a mover body disposed at a gap between an inner stator and an outer stator; permanent magnets fixed at an outer circumferential surface of the mover body and reciprocally moved together with the mover body in a direction of an induction magnetic field between the inner stator and the outer stator; and a mixed member made of a fiber and a resin to cover and fix the permanent magnets. The permanent magnets are arranged at an outer circumferential face of the mover body, covered with the mixed member obtained by mixing a fiber and a resin, and hardened to be fixed. Therefore, the permanent magnets can be firmly and easily fixed at the mover body. In addition, by molding the mover body with a non magnetic and non-conductive material, leakage of the magnetic force of the permanent magnets can be prevented.Type: GrantFiled: March 24, 2001Date of Patent: July 26, 2005Assignee: LG Electronics Inc.Inventors: Bon-cheol Ku, Jin-Yoong Do, Hyung-Pyo Yoon, Si-Hang Jeon
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Patent number: 6913450Abstract: A suction valve coupling structure for a reciprocating compressor is disclosed in which a piston being linearly moved in a cylinder upon receipt of driving force from an electric mechanism unit, according to which gas flows through a gas flow passage formed therein, is coupled by welding to a valve for opening and closing the gas flow passage, thereby strengthening the coupling state of the suction valve. Since the coupling structure is simplified, a dead volume is reduced and a stroke volume is increased, improving compression efficiency. A stroke control of the piston is facilitated to enable a precise control of movement of the piston. In addition, a reliability of the coupling of the suction valve can be improved.Type: GrantFiled: June 26, 2001Date of Patent: July 5, 2005Assignee: LG Electronics, Inc.Inventors: Seong-Joon Hong, Bon-Cheol Ku, Hyeong-Suk Kim, Hyung-Pyo Yoon
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Publication number: 20050098031Abstract: In an abrasion preventive structure of a reciprocating compressor, by forming a coating layer made of Ni—P alloy material having high hardness onto the surface of a frame at which front (92) and rear (93) resonance springs are contacted or spring mounting grooves (91a, 92a) of a spring supporting rod (91) or spring fixation protrusions or the inner circumference of a cylinder built-in type frame, although each resonance spring (92, 93) is rotated while repeating compression/relaxation, it is possible to prevent abrasion of the spring mounting grooves (91a, 92a) or the spring fixation protrusions, and accordingly reliability of the compressor can be improved.Type: ApplicationFiled: October 31, 2002Publication date: May 12, 2005Inventors: Hyung-Pyo Yoon, Kyeong-Weon Lee
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Patent number: 6882075Abstract: A bobbin for a reciprocating motor and fabricating method thereof includes the bobbin comprising a bobbin body (310) including a first sidewall unit (312) and a second sidewall unit (313) forming a certain space in the body by extending at a certain height so as to have slopped part from both side of the bottom (311) having a ring form with a certain width; a winding coil (320) wound a plurality of times in the space of inner side of the bobbin body; (310) and a cover (330) couple to the bobbin body (310) so as to cover the winding coil (320), and a molding step for fabricating the bobbin, thereby fabrication of the winding coil and laminated outer core constituting the motor is simplified, the length of the permanent magnet constituting the mover can be shortened. So, fabricating cost of the motor can be reduced and mass productivity of the motor can be improved.Type: GrantFiled: May 25, 2001Date of Patent: April 19, 2005Assignee: LG Electronics Inc.Inventors: Jin-Yoong Do, Won-Hyun Jung, Hyeong-Suk Kim, Si-Hang Jeon, Hyung-Pyo Yoon
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Publication number: 20040179965Abstract: A valve coupling structure of a reciprocating compressor and a coupling method thereof, including a piston (20) which performs a linear reciprocating movement inside a cylinder (10) by having a gas flow path (F) in which gas flows, a valve (40) which is positioned to be contacted on an end surface of the piston (20) to open and close the gas flow path (F) of the piston (20), and a diffusion bonding portion (D) which is diffused and combined to a part of an end surface of the piston (20) and the contact surface of the valve (40) which is contacted on an end surface of the piston (20) by movement of atoms or movement among atoms which form the valve (40) using an energy source of the outside can make coupling state of the piston (20) which performs linear reciprocating movement inside the cylinder (10) and valve (40) more firm.Type: ApplicationFiled: October 22, 2003Publication date: September 16, 2004Inventor: Hyung-Pyo Yoon
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Publication number: 20040108774Abstract: A stator for a reciprocating motor comprises a bobbin made of an insulating material in which a winding coil is located; a terminal unit forming a single body with the bobbin and connecting the winding coil electrically with an outer power source; and a core unit stacked radially along with the bobbin started from one side of the terminal unit. Therefore, the winding coil and the bobbin can be coupled in simple way, and the core unit can be stacked simply and precisely, so the mass productivity of the motor is able to be increased. Also, the size of the core unit is able to be managed simply and precisely, and then, the contact and impact with other components constructing the motor is prevented, whereby the reliability of the motor can be improved.Type: ApplicationFiled: October 15, 2003Publication date: June 10, 2004Inventors: Hyung-Pyo Yoon, Si-Hang Jeon, Jin-Yeong Do, Hyeong-Suk Kim, Kyeong-Bae Park