Patents by Inventor Yin Rong
Yin Rong 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: 6827549Abstract: A heat-dissipating module including a first fan unit, a second fan unit, and a connecting arrangement for connecting the first fan unit and the second fan unit in a serial manner. The first fan unit is located on an air inlet side and includes a casing and a fan wheel received in the casing of the first fan unit. The second fan unit is located on an air outlet side and includes a casing and a fan wheel received in the casing of the second fan unit. At least one side air inlet is defined between the casing of the first fan unit and the casing of the second fan unit for increasing an air inlet amount and an air outlet amount of the second fan unit.Type: GrantFiled: June 20, 2003Date of Patent: December 7, 2004Assignee: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Hong
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Publication number: 20040239198Abstract: An axial tube assembly of a motor includes an axial tube around which a stator assembly is mounted, an engaging member, and a sleeve in which a bearing is mounted. The engaging member includes a base and a plurality of resilient legs projecting from the base. Each resilient leg has a hook on a distal end thereof. The base of the engaging member is engaged with and thus seals a bottom end of an axial hole of the axial tube. The sleeve is mounted in the engaging member and has a base portion. The hook of each resilient leg is pressed outward to thereby retain the stator assembly in place when the sleeve and the engaging member are received in the axial tube, with the resilient legs of the engaging member together holding the sleeve to thereby allow tight engagement between the sleeve and the bearing.Type: ApplicationFiled: July 23, 2003Publication date: December 2, 2004Applicant: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Hong
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Publication number: 20040244025Abstract: A disc carrier for an optical disc drive includes a recession integrally formed thereon and an axial tube projecting from a central portion of a bottom wall of the recession. A shaft extends through the axial tube. An engaging length between the axial tube and the shaft is increased to improve rotating stability of the disc carrier. A support member is fixed in the recession and includes a peripheral support edge along a periphery thereof. The support member is in contact with and thus supports plural clamping members of a clamping device.Type: ApplicationFiled: July 18, 2003Publication date: December 2, 2004Applicant: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Hong
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Publication number: 20040244024Abstract: A disc carrier assembly for an optical disc drive includes a disc carrier having an axial tube, a clamping device, and a positioning sleeve. The clamping device includes a central hole and plural clamping members for clamping an optical disc. The axial tube of the disc carrier is extended through the central hole of the clamping device. The positioning sleeve is securely sandwiched between an inner periphery delimiting the central hole of the clamping device and the axial tube. The positioning sleeve includes a flange for engaging with the clamping device to prevent the clamping device from disengaging from the disc carrier.Type: ApplicationFiled: July 18, 2003Publication date: December 2, 2004Applicant: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Hong
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Publication number: 20040228559Abstract: A conic bearing positioning member for a spindle motor includes a small diameter portion abutting against an inner race of a ball bearing of the spindle motor, a large diameter portion abutting against a rotor of the spindle motor, and at least one resilient connecting portion extending between the small diameter portion and the large diameter portion for biasing the ball bearing and the rotor away from each other, assuring a gap between the ball bearing and the rotor. The conic bearing positioning member may be a helical spring.Type: ApplicationFiled: May 13, 2003Publication date: November 18, 2004Applicant: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Horng, Ching-Sheng Hong
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Publication number: 20040228722Abstract: A heat-dissipating module including a first fan unit, a second fan unit, and a connecting arrangement for connecting the first fan unit and the second fan unit in a serial manner. The first fan unit is located on an air inlet side and includes a casing and a fan wheel received in the casing of the first fan unit. The second fan unit is located on an air outlet side and includes a casing and a fan wheel received in the casing of the second fan unit. At least one side air inlet is defined between the casing of the first fan unit and the casing of the second fan unit for increasing an air inlet amount and an air outlet amount of the second fan unit.Type: ApplicationFiled: June 20, 2003Publication date: November 18, 2004Applicant: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Hong
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Patent number: 6819021Abstract: A combination of a base and an axle tube is provided for a motor. The base includes a tubular body and an axial hole through which the axle tube extends. A flange extends upward from a peripheral edge delimiting the axial hole. At least one positioning groove is defined in an inner periphery of the flange. The axle tube includes at least one protrusion on an outer periphery thereof for engaging with the positioning groove of the base. At least one resilient hook rod is formed in the tubular body of the axle tube and has a hook for securely retaining a stator around the axle tube and for securely retaining at least one bearing in the axle tube.Type: GrantFiled: March 31, 2003Date of Patent: November 16, 2004Assignee: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Horng, Ching-Sheng Hong
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Patent number: 6819068Abstract: A brushless dc motor mainly comprises a stator, a first Hall sensor, a second Hall sensor, and a rotor. The stator, which comprises a plurality of magnet poles, is axially combined with the rotor which comprises a driver permanent magnet and a frequency permanent magnet. The driver permanent magnet is adapted to rotate the rotor by means of being detected by the first Hall sensor while the frequency permanent magnet with predetermined pole count adapted to generate the rotational frequency of the rotor by means of being detected by the second Hall sensor.Type: GrantFiled: September 20, 2002Date of Patent: November 16, 2004Assignee: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Hong, Ching-Sheng Hong
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Patent number: 6809457Abstract: A brushless DC motor includes a pole plate, a magnetic pole base, a coil assembly, a circuit board, and a rotor. Each of the pole plate and the magnetic pole base is formed by punching a magnetically conductive plate and includes several pole faces and a magnetically conductive tube, with the respective pole faces being annularly located around the respective magnetically conductive tube. The magnetically conductive tube of the magnetic pole plate and the magnetically conductive tube of the pole base are securely mounted one around the other to form an axle tube. At least one bearing is received in the axle tube for rotatably holding a shaft of the rotor. The pole faces of the magnetic pole base and the pole faces of the pole plate are alternately disposed and located around the axle tube.Type: GrantFiled: May 28, 2003Date of Patent: October 26, 2004Assignee: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Horng, Ching-Sheng Hong
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Publication number: 20040201298Abstract: A combination includes a casing having a base extending therefrom and an axle tube. The base has an axial hole, and at least one engaging portion is defined in an underside of the casing. The axle tube has at least one positioning portion on an end thereof. The axle tube is extended through the axial hole of the base, with the positioning portion of the axle tube being securely engaged with the engaging portion of the base. When an axle tube of different inner diameter or length is required, only an additional mold for the axle tube is required. It is not necessary to manufacture a mold for the whole casing.Type: ApplicationFiled: April 11, 2003Publication date: October 14, 2004Applicant: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Horng, Ching-Sheng Hong
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Publication number: 20040196832Abstract: A brushless DC motor includes a pole plate, a magnetic pole base, a coil assembly, a circuit board, and a rotor. Each of the pole plate and the magnetic pole base is formed by punching a magnetically conductive plate and includes several pole faces and a magnetically conductive tube, with the respective pole faces being annularly located around the respective magnetically conductive tube. The magnetically conductive tube of the magnetic pole plate and the magnetically conductive tube of the pole base are securely mounted one around the other to form an axle tube. At least one bearing is received in the axle tube for rotatably holding a shaft of the rotor. The pole faces of the magnetic pole base and the pole faces of the pole plate are alternately disposed and located around the axle tube.Type: ApplicationFiled: May 28, 2003Publication date: October 7, 2004Applicant: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Horng, Ching-Sheng Hong
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Publication number: 20040191095Abstract: A casing for a heat-dissipating fan includes a bottom board and a plurality of sidewalls extending from the bottom board. The bottom board and the sidewalls are integrally formed by punching a magnetically conductive plate. The bottom board includes a base on which a stator having a coil assembly is mounted. An axial hole is defined in the base of the bottom board, and a bearing is mounted in the axial hole for rotatably holding a shaft of a rotor. Magnetic pole faces are formed on the base of the bottom board by punching the base of the bottom board. The magnetic pole faces surround the axial hole and are adjacent to the coil assembly of the stator.Type: ApplicationFiled: May 21, 2003Publication date: September 30, 2004Applicant: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Horng, Ching-Sheng Hong
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Patent number: 6789992Abstract: A washer in accordance with the present invention comprises an axial hole and a plurality of oil-bearing portions. The oil-bearing portions are located on an inner surface opposite to an outer surface and surround the axial hole.Type: GrantFiled: September 20, 2002Date of Patent: September 14, 2004Assignee: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Hong, Ching-Sheng Hong
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Patent number: 6787965Abstract: A single magnetic conductive plate for a single pole plate brushless dc motor comprises a pole plate, a plurality of pole faces, and an axial hole. The pole plate, the pole faces and an axial hole are integrated into the single magnetic conductive plate. The pole plate is regarded as a base and adapted to combine with a coil to form a stator. The pole faces are punched and equi-spaced round the axial hole proximal the coil. The axial hole is adapted to combine with a mounting seat for supporting a rotor.Type: GrantFiled: March 7, 2003Date of Patent: September 7, 2004Assignee: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Horng, Ching-Sheng Hong
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Publication number: 20040160135Abstract: A single magnetic conductive plate for a single pole plate brushless dc motor comprises a pole plate, a plurality of pole faces, and an axial hole. The pole plate, the pole faces and an axial hole are integrated into the single magnetic conductive plate. The pole plate is regarded as a base and adapted to combine with a coil to form a stator. The pole faces are punched and equi-spaced round the axial hole proximal the coil. The axial hole is adapted to combine with a mounting seat for supporting a rotor.Type: ApplicationFiled: March 7, 2003Publication date: August 19, 2004Applicant: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Horng, Ching-Sheng Hong
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Patent number: 6756714Abstract: A motor comprises an axle tube, a rotor, and a member. The axle tube includes a hole, and a stator is mounted to an outer periphery of the axle tube. The rotor includes an end wall having a shaft base from which a shaft extends. An annular wall extends from an inner face of the shaft base and surrounds the shaft. The member is mounted in the hole of the axle tube and rotatably receives the shaft of the rotor. The member includes a reduced section, forming a gap between the reduced section of the member and the axle tube. The annular wall extends into the gap between the reduced section of the member and the axle tube.Type: GrantFiled: August 6, 2002Date of Patent: June 29, 2004Assignee: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Horng Alex, Yin-Rong Hong, Ching-Sheng Horng
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Patent number: 6749011Abstract: A heat sink. The heat sink includes spaced laminas made of a thermally conductive material. Each of the laminas is integrally formed with a pair of convexo-concave spacers that each project from a first face of the lamina and define a cavity in a second face of the same lamina. Furthermore, each of the convexo-concave spacers is adapted to be partially and tightly fitted in a mating cavity of the next lamina.Type: GrantFiled: August 9, 2002Date of Patent: June 15, 2004Assignee: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Hong, Ching-Sheng Horng
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Patent number: 6741047Abstract: A dual current-limiting circuit for a dc brushless motor includes an over-current detective circuit, an operation detective circuit, and a current-limiting circuit. The over-current detective circuit produces a voltage signal used to determine whether an over-current has been input to the motor. The operation detective circuit also produces a voltage signal used to determine whether the motor is being operated in a normal manner. The current-limiting circuit decides to turn on a first switch of a first current-limiting circuit and to subsequently turn on a second switch of a second current-limiting circuit depending upon the two voltage signals. The current-limiting circuit is capable of suppressing current passing through a coil at a low voltage level, which is inadequate to damage a driver circuit and still adequate to restart the motor if an abnormal input current is eliminated.Type: GrantFiled: June 28, 2002Date of Patent: May 25, 2004Assignee: Sunonwealth Electric Machine Industry Co., Ltd.Inventors: Alex Horng, Yin-Rong Hung, Ying-Ya Lu, Ta-Lun Ko
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Publication number: 20040095878Abstract: A disc carrier assembly for a spindle motor for an optical disc drive includes a rotor and a disc carrier. The rotor includes an end wall and a peripheral wall. The end wall has a central hole. The disc carrier includes a main plate having an inner side and an outer side. The inner side of the main plate is in intimate contact with the end wall of the rotor. The main plate includes an engaging portion on the inner side thereof. The engaging portion includes an axial hole through which a shaft is securely extended, allowing joint rotation of the disc carrier and the shaft. The engaging portion further includes an annular groove for securely receiving a peripheral wall portion delimiting the central hole of the end wall of the rotor, allowing joint rotation of the disc carrier and the rotor.Type: ApplicationFiled: July 15, 2003Publication date: May 20, 2004Applicant: Sunonwealth Electric Machine Industry Co., Ltd.Inventor: Yin-Rong Hong
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Publication number: 20040075356Abstract: A fan rotor includes a tubular hub having a closed-end wall and an inner wall, with a metal ring receiving in the tubular hub in engagement with the inner wall. The metal ring has a magnet ring embedded therein. Furthermore, the tubular hub is provided with a plurality of retainers for releasably holding the metal ring in the tubular hub.Type: ApplicationFiled: October 16, 2002Publication date: April 22, 2004Applicant: SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD.Inventors: Alex Horng, Yin-Rong Hong, Ching-Sheng Hong