Patents Assigned to Johnson Electric S.A.
  • Seat belt presenter
    Patent number: 9403505
    Abstract: A seat belt presenter for moving a tongue plate of a seat belt system to a desired position includes a transmission mechanism for moving the tongue plate and an electric motor for driving the transmission mechanism. The motor includes a stator and a rotor rotatably mounted to the stator. The rotor includes a motor shaft, a commutator fixed to the motor shaft, a rotor core fixed to the motor shaft and rotor windings wound about teeth of the rotor core and electrically connected to segments of the commutator, the rotor windings comprises a plurality of winding units. Each winding unit includes at least two coils, the coils of each winding unit being wound about the same teeth and electrically connected to a same pair of segments, in parallel.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: August 2, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Hang Fung Chang, Hang Cheong Ma, Daniel Ming Hong Wong
  • Power converting circuit
    Patent number: 9407168
    Abstract: A power conversion circuit for supplying power to an inductive load, includes a switching circuit and an energy saving circuit. The inductive load is supplied with electrical power and the energy saving circuit is charged when the switching circuit is conductive, and the inductive load is disconnected from the electrical power supply and the energy stored in the energy saving circuit is discharged to the inductive load when the switching circuit is nonconductive.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: August 2, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Chi Ping Sun, Fei Xin, Xiu Wen Yang, Shing Hin Yeung, Yun Long Jiang, Yan Yun Cui
  • Power converting circuit
    Patent number: 9407180
    Abstract: A power converting circuit for supplying power to an inductive load, includes an inductance, a switching circuit and an energy saving circuit. The inductance is charged when the switching circuit is conductive and discharges energy to the energy saving circuit and the inductive load when the switching circuit is nonconductive. The energy saving circuit discharges energy to the inductive load when the switching circuit is conductive.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: August 2, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Chi Ping Sun, Fei Xin, Xiu Wen Yang, Shing Hin Yeung, Yun Long Jiang, Yan Yun Cui
  • Particle separator
    Patent number: 9399182
    Abstract: A particle separator includes a particle separation member to separate particles from liquid; a particle collection member for collecting particles from the particle separation member; and a liquid guiding member for guiding liquid flowing from the particle separation member to an outlet. The particle separation member includes an inlet for receiving un-clean liquid, a first separation section configured for preliminarily separating particles from the liquid, and a second separation section for separating further particles from liquid flowing from the first separation section. The second separation section includes a plurality of cyclones each having a wide open end connected to the first separation section and a narrow open end connected to the particle collection member.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: July 26, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Serge Pesetsky, Chad J. Caparros, Chuan Hui Fang
  • Electric motor
    Patent number: 9397525
    Abstract: An electric motor includes a stator and a rotor installed in the stator. The stator has a laminated stator core and at least two stator windings wound on the stator core. The stator core has at least two stator poles facing the rotor and at least two yokes connecting adjacent stator poles. T stator core is constituted by at least two separate members joined together. The at least two stator poles are only arranged at a single one of the at least two separate members.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: July 19, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Yue Li, Mao Xiong Jiang, Bao Ting Liu, Chui You Zhou, Jin Yun Gan, Jian Zhao, Yong Li, Hong Wei Zhang
  • Rotatory device end cap with unpackaged filters
    Patent number: 9385576
    Abstract: A rotatory device (1) for energy conversion between electrical energy and mechanical energy includes an end cap (20) to which electric conduction and commutation components (30) are attached. The end cap (20) is electrically insulating and has a flange mating to an electric conductive housing (10) of the rotatory device (1). An unpackaged capacitor (40) is positioned between the housing (10) and the flange (20) without occupying other space inside the housing (10) of rotatory device (1). The unpackaged capacitor (40) is electrically coupled to the electric conduction and commutation component and grounded to the housing (10) of the rotatory device (1).
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: July 5, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Maoxiong Jiang, Tongjie Li, Qingbin Luo, Xinpeng Wei, Huiting Zhong
  • Control circuit for a DC motor
    Patent number: 9385640
    Abstract: A control circuit for a DC motor, has: a first and second input ports for connection to a DC source; a H-bridge driving circuit, having first and second switches connected in series between the input ports, and third and fourth switches connected in series between the input ports, a first output port between the first and second switches and a second output port between the third and fourth switches, and a shunt circuit and/or a blocking circuit. The motor is connected between the first and second output ports. The shunt circuit is connected between the first second output ports and has a resistance that will decrease in response to BEMF generated by the motor. The blocking circuit is connected in series with the motor between the output ports and has a resistance that increases in response to BEMF generated by the motor.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: July 5, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Chi Ping Sun, Fei Xin, Xiu Wen Yang, Shing Hin Yeung, Yun Long Jiang, Yan Yun Cui, Sin Sang Wong, Zhu Qing Yi
  • Brush motor commutator with spark suppression and method for making the same
    Patent number: 9362698
    Abstract: A commutator (10, 40, 54, 60, 64, 70, 76, 78) for a brush motor includes a cylindrical insulating base (12), a plurality of segments (14) disposed on an outer surface (68) of the insulating base (12), circumferentially spaced from each other, and defining a plurality slots (42) between adjacent segments (14), and a plurality of insulating outgas elements (24) capable of releasing a gas having a lower conductivity than air and disposed on the outer surface (68) of the cylindrical insulating base (12). Each outgas element (24) is located between a corresponding pair of the plurality of segments (14), having a gas releasing surface (26) between the corresponding pair of segments (14) and lower than outer surfaces (28) of the corresponding pair of segments (14). A method for making a commutator is also provided.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: June 7, 2016
    Assignee: JOHNSON ELECTRICS S.A.
    Inventors: James Ching Sik Lau, Wilfried Gorlt
  • Stepper motor with adjustable detent torque
    Patent number: 9356500
    Abstract: A stepper motor has a rotor having a permanent magnet, a stator housing and a plurality of stator coil assemblies disposed within the stator housing. Each coil assembly has a bobbin, a coil wound about the bobbin, and two pole plates having pole fingers extending axially inside of the bobbin. The bobbin is disposed between the two pole plates and defines a space accommodating the rotor. A number of magnetic detent plates are disposed about the permanent magnet rotor. Each magnetic detent plate has a central opening accommodating the rotor and a plurality of projections extending inwardly, spaced about the central opening. The projections interact with the magnetic field of the rotor magnet.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: May 31, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Miha Furlan, Yvan Bourqui
  • Fan unit for a heat exchanger
    Patent number: 9353671
    Abstract: A fan unit for a heat exchanger, has a plate-like support structure or shroud with a main opening defining an air passage for ventilation of the heat exchanger. An electric drive motor is fixed to the support structure or shroud. An impeller is arranged inside the main opening and driven by the drive motor. A spray protection screen associated with a side of the motor remote from the impeller is fixed to the support structure or shroud in such a way that, during use, it is substantially vertical and defines an inlet opening for an air flow for cooling the motor. The spray protection screen has an outwardly projecting deviating formation designed to deflect outside of the inlet opening, water which may flow over the outer surface of the screen during operation of the fan unit.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: May 31, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Gianni Speretta, Daniele Dal Colle
  • Electric motor
    Patent number: 9343934
    Abstract: An electric motor has a wound stator and a permanent magnet rotor. The rotor includes a shaft, a hub fixed on the shaft, a plurality of rotor core segments and magnets fixed around the hub. The rotor core segment includes at least two rotor blocks inwardly extending from the innermost portion thereof. The hub includes a plurality of hub blocks equidistantly and outwardly extending from the outer surface thereof. The rotor blocks of each rotor core segment engage with at least one hub block to fix the rotor core segment to the hub. The number of rotor blocks is greater than the number of hub blocks.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: May 17, 2016
    Assignee: Johnson Electric S.A.
    Inventors: Jian Zhao, Yue Li, Mao Xiong Jiang, Chui You Zhou, Yong Wang, Ya Ming Zhang
  • Thrust bearing assembly
    Patent number: 9337703
    Abstract: A thrust bearing assembly for supporting an end surface against an axial load, includes a first part with a chamber; a second part disposed in the chamber and having a load surface facing the end surface; and a third part fixed with the first part and spaced from the second part. A reservoir for storing lubricant is formed in the chamber between the second part and third part. A narrow passage communicates the reservoir with the load surface to allow the lubricant to flow from the reservoir to the load surface to lubricate the interface between the load surface and the end surface when the axial load rotates.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: May 10, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: James Ching Sik Lau, Duncan Yiu Lung Wong, Yuen Tung Louie
  • Permanent magnet rotor brushless motor
    Patent number: 9331532
    Abstract: A rotor for a permanent magnet brushless motor includes a shaft, a rotor core fixed to the shaft, and magnets embedded in the rotor core. The rotor core defines a plurality of spaced first slots arranged in a circumferential direction thereof, and a plurality of spaced second slots, each second slot being located between two adjacent first slots and each first slot being located between two adjacent second slots. First permanent magnets are received in the first slots and second permanent magnets are received in the second slots. Each second magnet is located between two adjacent first magnets and each first magnet is located between two adjacent second magnets in the circumferential direction, and the first magnets are magnetized in radial directions of the rotor core and the second magnets are magnetized in the circumferential direction.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: May 3, 2016
    Assignee: Johnson Electric S.A.
    Inventors: Yong Zhang, Joseph Youqing Xiang, Hua Yong Wang, Yue Li
  • Brush motor and cooling fan incorporating the motor
    Patent number: 9331556
    Abstract: A brush motor includes a stator and a rotor. The stator includes multiple magnets attached to an inner surface of a stator housing and a brush assembly fixed relative to the housing. The rotor includes a rotor core and a commutator located in a receiving space defined by a mounting portion and an annular sidewall of the rotor core. The commutator includes multiple conductive segments, each of which has a leg penetrating the rotor core and connected with windings on the rotor core.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: May 3, 2016
    Assignee: Johnson Electric S.A.
    Inventors: Rui Feng Qin, Ji Yu Liang, Yan Bing Li
  • Planetary gearbox and process for assembling the same
    Patent number: 9303729
    Abstract: A gearbox assembly (10) configured for easy to assembling comprises a plurality of gears (30) configured to spin within a plurality of inner gear rings (20, 22). Fixing mechanisms (40) are axially inserted from the input side (12) of the gearbox, thereby allowing for a connector (90) to be attached to the output shaft (62) of the gearbox prior to gearbox assembling.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: April 5, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Xiaohui Wang, Shijie Huang, Wanhor Looi
  • Particle separation device
    Patent number: 9302276
    Abstract: A particle separation device includes a particle separation member having a plurality of conical cavities each having a narrow open end and a wide open end for separating particles from unclean liquid; a fluid distribution member for distributing the liquid to the cavities; a particle collection member for collecting particles; and a fluid guiding member for guiding cleaned liquid from the particle separation member to an outlet of the device. The particle collection member includes a chamber and a magnet for holding particles inside the chamber. A vortex finder is disposed in each of the cavities. The vortex finder has a skirt portion and a distal end having a reduced wall thickness.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: April 5, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Serge Pesetsky, Chad J. Caparros, Chuan Hui Fang
  • Valve drive assembly and valve using the same
    Patent number: 9297476
    Abstract: The invention concerns an valve drive assembly for a valve unit for regulating a flow of fluid with a lead-through of an operating rod (3) through a flange (4), particularly the arrangement of operating rod (3) to the flange (4) for adjusting a defined flow of fluid. The assembly comprises a flange (4), and operating rod (3) and an annular element. The operating rod (3) is disposed through said flange, and annular element is disposed between flange (4) and operating rod (3) defining an annular gap (12) between the annular element and the operating rod. An effective length of the annular gap (12) exceeds a thickness of the flange (4). This invention leads to considerable cost savings, as the component parts can now be produced more simply using manufacturing processes known from mass production, such as deep-drawing or even stamping.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: March 29, 2016
    Assignee: Johnson Electric S.A.
    Inventors: Joerg Gassmann, Thomas Mueller, Sebastian Fraulob
  • Device for switching and controlling electrical apparatuses
    Patent number: 9299512
    Abstract: A device for switching and controlling electrical apparatus, has a guide bearing for creating haptics indicating the position of the device. The guide bearing has one bearing part constructed as a switch housing and one bearing part constructed as an actuating element. The guide bearing has a control path formed on one of the bearing parts and a rolling-body mount constructed on the other bearing part. A rolling body is held in the rolling-body mount. A haptic spring presses the rolling body onto the control path. The structure of this device is suitable for creating haptics, without the operational reliability and service life of the guide bearing being appreciably impaired.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: March 29, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Gerhard Fangmann, Udo Balgheim, Martin Koepsell
  • Contact pad carrier strip and method for making same
    Patent number: 9282636
    Abstract: A contact pad carrier strip includes a substrate having a lateral extent of or substantially of 35 mm or a multiple of or substantially of 35 mm, and at least three smart card contact pads formed along the lateral extent of the substrate. The contact pads are aligned widthwisely across the lateral extent of the substrate. Each smart card contact pad includes a plurality of contacts. A majority of contacts of the contact pads are oriented to extend widthwisely across the lateral extent of the carrier strip.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: March 8, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Anthony Woodford, Calvin Linfield, Vincent Daniel Jean Salle, Kenneth Senior
  • Seat belt buckle assembly
    Patent number: 9272686
    Abstract: A buckle assembly for a seat belt system includes a belt buckle, a transmission mechanism arranged to move the belt buckle from a first position to a second position, and an electric motor for driving the transmission mechanism. The motor includes a stator and a rotor rotatably mounted to the stator. The rotor includes a motor shaft, a commutator fixed to the motor shaft, a rotor core fixed to the motor shaft and rotor windings wound about teeth of the rotor core and electrically connected to segments of the commutator. The rotor windings include a plurality of winding units. Each winding unit includes at least two coils, the coils of each winding unit being wound about the same teeth and electrically connected to a same pair of segments, in parallel.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: March 1, 2016
    Assignee: Johnson Electric S.A.
    Inventors: Hang Fung Chang, Hang Cheong Ma, Daniel Ming Hong Wong