Patents by Inventor Xin Hui Guan
Xin Hui Guan 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: 10491080Abstract: A brush assembly for a brush motor includes a support member, brush holders, at least four brushes respectively mounted to the brush holders, and first and second motor terminals for connecting with an external power supply. A first filter circuit is connected between the first motor terminal and corresponding first brushes. A second filter circuit is connected between the second motor terminal and corresponding second brushes. The first and second motor terminals and the first and second filter circuits are mounted in a region defined by two corresponding adjacent brushes forming an angle greater than 60 degrees but less than 180 degrees.Type: GrantFiled: May 25, 2018Date of Patent: November 26, 2019Assignee: JOHNSON ELECTRIC INTERNATIONAL AGInventors: Rui Feng Qin, Ji Yu Liang, Kwok Kuen Tse, Xin Hui Guan, Shu Hai Yuan
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Patent number: 10367396Abstract: A fuse component configured to provide overcurrent protection for an electric motor comprises a spiral fuse portion and a magnetic core. The spiral fuse portion encloses at least a part of the magnetic core, so that the fuse component is also configured to function as a choke of the electric motor.Type: GrantFiled: May 3, 2017Date of Patent: July 30, 2019Assignee: JOHNSON ELECTRIC INTERNATIONAL AGInventors: Rui Feng Qin, Xin Hui Guan, Tao Qu, Zhong Wan, Yong Bin Li, Xiao Wu Xie, Kwong Fai Chu
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Patent number: 10230317Abstract: A fan and a motor thereof are provided. The motor includes a motor drive device. The motor drive device includes a printed circuit board. A control management unit and a voltage converter are arranged on the printed circuit board, the control management unit classifies target rotation speed signals provided by an ECU into multiple rotation speed intervals, with each rotation speed interval corresponding to a fixed duty ratio. The control management unit receives a target rotation speed signal transmitted from the ECU in a real-time manner, and outputs a pulse width modulation signal having a duty ratio corresponding to the rotation speed interval to which the target rotation speed signal transmitted from the ECU belongs.Type: GrantFiled: June 1, 2017Date of Patent: March 12, 2019Assignee: JOHNSON ELECTRIC INTERNATIONAL AGInventors: Rui Feng Qin, Xin Hui Guan, Kwok Kuen Tse, Tao Qu, Zhong Wan, Kai Qi Xu, Bao Yi Xu
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Publication number: 20180278129Abstract: A brush assembly for a brush motor includes a support member, brush holders, at least four brushes respectively mounted to the brush holders, and first and second motor terminals for connecting with an external power supply. A first filter circuit is connected between the first motor terminal and corresponding first brushes. A second filter circuit is connected between the second motor terminal and corresponding second brushes. The first and second motor terminals and the first and second filter circuits are mounted in a region defined by two corresponding adjacent brushes forming an angle greater than 60 degrees but less than 180 degrees.Type: ApplicationFiled: May 25, 2018Publication date: September 27, 2018Inventors: Rui Feng QIN, Ji Yu LIANG, Kwok Kuen TSE, Xin Hui GUAN, Shu Hai YUAN
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Patent number: 10008911Abstract: A brush assembly for a brush motor includes a support member, brush holders, at least four brushes respectively mounted to the brush holders, and first and second motor terminals for connecting with an external power supply. A first filter circuit is connected between the first motor terminal and corresponding first brushes. A second filter circuit is connected between the second motor terminal and corresponding second brushes. The first and second motor terminals and the first and second filter circuits are mounted in a region defined by two corresponding adjacent brushes forming an angle greater than 60 degrees but less than 180 degrees.Type: GrantFiled: December 19, 2014Date of Patent: June 26, 2018Assignee: JOHNSON ELECRIC S.A.Inventors: Rui Feng Qin, Ji Yu Liang, Kwok Kuen Tse, Xin Hui Guan, Shu Hai Yuan
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Publication number: 20170353132Abstract: A fan and a motor thereof are provided. The motor includes a motor drive device. The motor drive device includes a printed circuit board. A control management unit and a voltage converter are arranged on the printed circuit board, the control management unit classifies target rotation speed signals provided by an ECU into multiple rotation speed intervals, with each rotation speed interval corresponding to a fixed duty ratio. The control management unit receives a target rotation speed signal transmitted from the ECU in a real-time manner, and outputs a pulse width modulation signal having a duty ratio corresponding to the rotation speed interval to which the target rotation speed signal transmitted from the ECU belongs.Type: ApplicationFiled: June 1, 2017Publication date: December 7, 2017Inventors: Rui Feng QIN, Xin Hui GUAN, Kwok Kuen TSE, Tao QU, Zhong WAN, Kai Qi XU, Bao Yi XU
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Patent number: 9762103Abstract: A brush motor has a housing, an end cap and a brush assembly. The brush assembly includes an brush card, brush cages disposed on the brush card, brushes mounted in the respective brush cages, terminals for connecting with an external power supply, and power supply circuits connecting the terminals to the respective brushes. The brush assembly further includes at least one grounding conductor mounted to the brush card and electrically connected to the power supply circuits. The grounding conductor includes a main portion fixed to the brush card and a tongue extending from the main portion. The tongue includes a bent portion for resilient connection to the end cap or housing.Type: GrantFiled: June 23, 2015Date of Patent: September 12, 2017Assignee: JOHNSON ELECTRIC, S.A.Inventors: Ji Yu Liang, Shu Hai Yuan, Xin Hui Guan
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Publication number: 20170237319Abstract: A fuse component configured to provide overcurrent protection for an electric motor comprises a spiral fuse portion and a magnetic core. The spiral fuse portion encloses at least a part of the magnetic core, so that the fuse component is also configured to function as a choke of the electric motor.Type: ApplicationFiled: May 3, 2017Publication date: August 17, 2017Inventors: Rui Feng QIN, Xin Hui GUAN, Tao QU, Zhong WAN, Yong Bin LI, Xiao Wu XIE, Kwong Fai CHU
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Patent number: 9627934Abstract: A commutated DC motor (10) includes a stator (12) and a rotor (14) mounted in the stator (12). The stator (12) has 2P magnetic poles, wherein P is an integer greater than 1. The rotor (14) includes a rotor shaft (81) with a rotor core (85), and a commutator (83) fixed thereto. The rotor core (85) has multiple teeth defining m×P slots therebetween, wherein m is an odd integer greater than 1. The commutator (83) has k×m×P segments, wherein k is 1 or 2. A rotor winding (87) formed by winding a single continuous wire is received in the slots of the rotor core (85) and connected to the segments of the commutator (83), and has k×m winding units. Each winding unit includes P coils in series connection and is directly connected to only two segments.Type: GrantFiled: January 30, 2014Date of Patent: April 18, 2017Assignee: Johnson Electric S.A.Inventors: Rui Feng Qin, Fei Liu, Ji Yu Liang, Shu Hai Yuan, Xin Hui Guan
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Publication number: 20150381019Abstract: A brush assembly for a brush motor includes a support member, brush holders, at least four brushes respectively mounted to the brush holders, and first and second motor terminals for connecting with an external power supply. A first filter circuit is connected between the first motor terminal and corresponding first brushes. A second filter circuit is connected between the second motor terminal and corresponding second brushes. The first and second motor terminals and the first and second filter circuits are mounted in a region defined by two corresponding adjacent brushes forming an angle greater than 60 degrees but less than 180 degrees.Type: ApplicationFiled: December 19, 2014Publication date: December 31, 2015Inventors: Rui Feng QIN, Ji Yu LIANG, Kwok Kuen TSE, Xin Hui GUAN, Shu Hai YUAN
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Publication number: 20150372560Abstract: A brush motor has a housing, an end cap and a brush assembly. The brush assembly includes an brush card, brush cages disposed on the brush card, brushes mounted in the respective brush cages, terminals for connecting with an external power supply, and power supply circuits connecting the terminals to the respective brushes. The brush assembly further includes at least one grounding conductor mounted to the brush card and electrically connected to the power supply circuits. The grounding conductor includes a main portion fixed to the brush card and a tongue extending from the main portion. The tongue includes a bent portion for resilient connection to the end cap or housing.Type: ApplicationFiled: June 23, 2015Publication date: December 24, 2015Inventors: Ji Yu LIANG, Shu Hai YUAN, Xin Hui GUAN
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Publication number: 20140210299Abstract: A commutated DC motor (10) includes a stator (12) and a rotor (14) mounted in the stator (12). The stator (12) has 2P magnetic poles, wherein P is an integer greater than 1. The rotor (14) includes a rotor shaft (81) with a rotor core (85), and a commutator (83) fixed thereto. The rotor core (85) has multiple teeth defining m×P slots therebetween, wherein m is an odd integer greater than 1. The commutator (83) has k×m×P segments, wherein k is 1 or 2. A rotor winding (87) formed by winding a single continuous wire is received in the slots of the rotor core (85) and connected to the segments of the commutator (83), and has k×m winding units. Each winding unit includes P coils in series connection and is directly connected to only two segments.Type: ApplicationFiled: January 30, 2014Publication date: July 31, 2014Applicant: Johnson Electric S.A.Inventors: Rui Feng QIN, Fei LIU, Ji Yu LIANG, Shu Hai YUAN, Xin Hui GUAN
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Patent number: 8519585Abstract: An engine cooling system incorporates a cooling fan module having a motor and a fan driven by the motor. The motor has a motor housing and two end caps disposed at respective ends of the motor housing. Each of the end caps has at least one axial hole to allow air to flow through the motor to dissipate heat from inside the motor. The motor also has a dust screen disposed inside the motor and adjacent each of the axial holes for preventing external particles entering the motor through the axial hole. Each dust screen has a plurality of apertures to allow air to flow through the motor but prevents dust particles entering the motor.Type: GrantFiled: April 12, 2011Date of Patent: August 27, 2013Assignee: Johnson Electric S.A.Inventors: Rui Feng Qin, Xin Hui Guan
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Patent number: 8288914Abstract: A electric motor has a stator and a rotor. The stator comprises a housing and a plurality of magnets fixed to an inner surface of said housing by a frame member. The magnets are embedded in the frame member. A plurality of first grooves are formed in an outside peripheral surface of the frame member, each of said first grooves extending axially from one axial surface of said frame member and having a axial length smaller than the axial height of said frame member. The housing has a plurality of first anchors formed on its inner surface, each of the first anchors engaging with a corresponding one of the first grooves.Type: GrantFiled: December 22, 2009Date of Patent: October 16, 2012Assignee: Johnson Electric S.A.Inventors: Rui Feng Qin, Xin Hui Guan, Yi Jing
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Publication number: 20120216764Abstract: A cooling module for an engine includes an electric motor and an impeller driven by the motor. The motor includes a stator having brush assemblies, and a rotor having a commutator. Each of the brush assemblies includes a brush holder, a brush slidably received in the brush holder, and a spring. The spring includes a mounting portion, a coiled portion and an elongated unrolled section joining the mounting portion to the coiled portion. The mounting portion is fixed to the brush holder and located closer to the commutator than the coiled portion. The coiled portion presses against a radially outer end of the brush to push the brush towards the commutator. The brush forms a concave for accommodating the coiled portion of the spring. The unrolled section is coiled into the coiled portion as the length of the brush is reduced.Type: ApplicationFiled: February 24, 2012Publication date: August 30, 2012Inventors: Rui Feng QIN, Tao QU, Xin Hui GUAN
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Publication number: 20120216765Abstract: An engine cooling system includes an engine, a coolant tank, a radiator, a cooling module for cooling the radiator, and connecting pipes connecting the engine, the coolant tank and the radiator to form a loop. The cooling module includes a motor and an impeller. The motor includes a stator and a rotor. The stator forms 2P stator poles, wherein P is a positive integer. The rotor includes a shaft, a rotor core, and windings wound around the rotor core. The rotor core includes n teeth and forms n winding slots between the teeth. A slot has a radial depth less than one of the other slots. The number of winding slots n is a multiple of the number of stator poles. The windings includes coils each of which is wound about n/2P teeth.Type: ApplicationFiled: February 24, 2012Publication date: August 30, 2012Inventors: Rui Feng QIN, Ling YANG, Chang Jin ZHOU, Xin Hui GUAN
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Patent number: 8242655Abstract: An engine cooling system, comprising a fan unit, cooling pipes and a coolant tank, the coolant tank, the cooling pipes and cooling channels of the engine being connected together and forming a cooling cycle, the fan unit being used to cool the cooling pipes and the coolant therein; wherein the fan unit comprises a motor and fan blades driven by the motor, the motor comprising a stator and a rotor rotatable mounted confronting the stator; the rotor comprising a shaft, a commutator fitted to the shaft, a rotor core fitted to the shaft adjacent to the commutator, windings wound about teeth of the rotor core and electrically connected to segments of the commutator; the windings being wound by aluminum cored wire that has a electrical insulation film around its peripheral surface.Type: GrantFiled: September 18, 2009Date of Patent: August 14, 2012Assignee: Johnson Electric S.A.Inventors: Rui Feng Qin, Yi Jing, Xin Hui Guan, Gianpaolo Arucci
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Patent number: 8053945Abstract: A commutator 10 for an electric motor comprises a plurality of commutator segments supported by a base. The segments have an electrically conductive body portion 14 and at least one electrically conductive foldable tang 16 provided on the body portion 14 for engaging a winding lead wire 44 of an electric motor. The foldable tang 16 has a proximal end 18 on or adjacent to the body portion 14, and a distal end 22 remote from the proximal end 18. A wire-accommodating portion 30 is provided on or adjacent to the foldable tang 16, so that, when the tang 16 is folded, the wire-accommodating portion provides a predetermined gap 56 for the winding lead wire 44.Type: GrantFiled: October 24, 2008Date of Patent: November 8, 2011Assignee: Johnson Electric S.A.Inventors: Xin Hui Guan, Rui Feng Qin, Hai Bo Ma
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Publication number: 20110253078Abstract: An engine cooling system incorporates a cooling fan module having a motor and a fan driven by the motor. The motor has a motor housing and two end caps disposed at respective ends of the motor housing. Each of the end caps has at least one axial hole to allow air to flow through the motor to dissipate heat from inside the motor. The motor also has a dust screen disposed inside the motor and adjacent each of the axial holes for preventing external particles entering the motor through the axial hole. Each dust screen has a plurality of apertures to allow air to flow through the motor but prevents dust particles entering the motor.Type: ApplicationFiled: April 12, 2011Publication date: October 20, 2011Inventors: Rui Feng QIN, Xin Hui Guan
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Patent number: D653618Type: GrantFiled: March 8, 2011Date of Patent: February 7, 2012Assignee: Johnson Electric S.A.Inventors: Rui Feng Qin, Ling Yang, Chang Jin Zhou, Xin Hui Guan