Patents Assigned to Johnson Electrics S.A.
  • Fan unit for a heat exchanger
    Patent number: 9273698
    Abstract: A fan unit for a heat exchanger of a vehicle, has a plate-like support structure or shroud which has a main opening defining a passage for a flow of air for ventilation of the heat exchanger, and an electric fan arranged to cause the flow of air. The fan has a drive motor and an impeller connected to the motor. The support structure or shroud has a top side intended to extend at a small distance from a horizontal cross-member of the heat exchanger or the vehicle, so that an interspace is defined between them. This top side of the support structure or shroud has a flexible sealing gasket which has a configuration such that, in the assembled operating condition of the fan unit, the gasket is able to close off the interspace.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: March 1, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Francesco Murador, Valentino Tenco
  • Brushless motor
    Patent number: 9270146
    Abstract: A brushless motor includes a stator core having 3M teeth, with M being an integer not less than 2, a rotor received in the stator core, 3M coils respectively wound around the 3M teeth, and a printed circuit board (PCB) fixed to the stator core and electrically connected to the 3M coils such that the 3M coils are connected in delta and correspond to three phase windings. Each phase includes at least two coils connected in parallel.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: February 23, 2016
    Assignee: Johnson Electric S.A.
    Inventors: Jie Chai, Yan Ke, Xiaojun Yang, Yongsheng Gao, Sanyuan Xiao, Hai Chen
  • Electric machine having magnetic poles including a primary magnet and auxiliary magnets
    Patent number: 9263930
    Abstract: An electric machine has a stator and a rotor. The stator has a housing and at least one pair of magnetic poles. Each magnetic pole has a primary magnet and two auxiliary magnets disposed on respective sides of the primary magnet. All of the magnets are disposed on an inner surface of the housing. All the magnets of a magnetic pole have the same polarity.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: February 16, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Mao Xiong Jiang, Yue Li, Jian Zhao, Yong Li, Yu Hong Guo
  • Permanent magnet rotor
    Patent number: 9263920
    Abstract: A permanent magnet rotor includes a shaft, a rotor core fixed to the shaft, a bracket fixed to the rotor core, and a plurality of permanent magnets contacting an outer surface of the rotor core. The bracket includes a base at one axial end thereof, a plurality of arms axially extending from the base and spaced in a circumferential direction, and an end ring connecting the arms at the other axial end thereof. The base has an opening for the insertion of the shaft. The rotor core is positioned between the arms. Each magnet is sandwiched between two adjacent arms. An inner diameter of the end ring is greater than an outer diameter of the rotor core.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: February 16, 2016
    Assignee: Johnson Electric S.A.
    Inventors: Lo Ching Kwok, Wai Shing Ip
  • Rotary solenoid
    Patent number: 9257888
    Abstract: In one of its aspects the technology disclosed herein concerns a process of making a rotary solenoid. In a generic mode, the process comprises fitting together two mating core half members (22A, 22B) of a stator until two respective pole faces (32A, 32B) of the two mating core half members (22A, 22B) press to a positive stop against a precision diameter pin positioned between the two mating core half members and so that the two mating core half members interlock at the positive stop. The process further comprises removing the precision diameter pin to provide an axially extending space comprising a predetermined distance between the two respective pole faces (32A, 32B). The process further comprises inserting a rotor (26) within the axially extending space. The process further comprises fitting the two mating core half members (22A, 22B) and the rotor (26) between the two opposing end caps (20, 30).
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: February 9, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventor: James M. Gruden
  • Brush DC motor with permanent magnet rotor
    Patent number: 9257887
    Abstract: A direct current motor has a wound stator, a permanent magnet rotor having a commutator assembly, and brush gear. The brush gear has a first pole brush, a second pole brush and a plurality of commutating brushes. The commutator assembly has a cylindrical insulating base, and first and second members fixed to the base. The first member includes a radially extending first slip ring and a number of axially extending first bars. The second member includes a radially extending second slip ring and a number of axially extending second bars. The first and second pole brushes make continuous sliding contact with the first and second slip rings respectively. The first and second bars are fixed to the outer cylindrical surface of the base and form a cylindrical surface against which the commutating brushes make sliding contact.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: February 9, 2016
    Assignee: Johnson Electric S.A.
    Inventors: Yue Li, Chui You Zhou, Jing Ping Tao, Hong Jian Zhang
  • Grille shutter
    Patent number: 9254742
    Abstract: A grille shutter for a vehicle includes a frame, an actuator, a grille flap, and a grille shaft. The actuator includes a casing mounted on the frame, an electric motor received in the casing, an output member having a first end, a second end and a stop projection between the first and second ends, and stop members stationary relative to the casing. The stop members cooperate with the stop projection to limit rotation of the output member. The grille shaft is coupled to the output member and rotatably couples the grille flap to the frame.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: February 9, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventor: Yan Chappex
  • Contact smart card
    Patent number: 9251457
    Abstract: A contact smart card has a smart card contact pad and an IC chip. The smart card contact pad includes a circuit substrate, a card-reader contact element on a first side of the circuit substrate, and a connection element on a second side of the circuit substrate. The card-reader contact element has a noble metal electrically conductive surface, and the connection element has a chip terminal connection surface which is not a noble metal. The IC chip is preferably flip-chip mounted at the second side of the circuit substrate and electrically connected to the chip terminal connection surface. Furthermore, the chip terminal connection surface is preferably an organometallic electrically conductive corrosion protection layer.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: February 2, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Vincent Daniel Jean Salle, Teck De Loi, Arthur Demaso
  • Relay assembly with fastening clip
    Patent number: 9230763
    Abstract: A relay assembly comprises a relay mounted on a board. The relay may be a single or individual relay or a polyphasic relay. The relay has a housing and at least one dip solder pin extending from the housing and soldered to a circuit board. The relay is mounted on the circuit board via at least one fastening clip having a fitting part fitted into a hole in the housing, a latching part latched to a bore in the board, and a central flange between the fitting part and the latching part.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: January 5, 2016
    Assignee: Johnson Electric S.A.
    Inventors: Joerg Gassmann, Soeren Heinrich
  • Security wrap
    Patent number: 9224280
    Abstract: A security wrap (20) for protecting an electronic component (16) includes a substrate (26) having a first side and a second side opposite to each other. A conductive path (22) is disposed over the first side of the substrate (26) and has first and second ends coupled to the electronic component (16), and a pattern selected from a plurality of predetermined patterns. A layer of adhesive (28) is over the first side of the substrate (26) and bonds the first side of the substrate (26) to the electronic component (16) with the conductive path (22) sandwiched there between.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: December 29, 2015
    Assignee: Johnson Electric S.A.
    Inventors: Vincent Daniel Jean Salle, Dominic John Ward, Martin Wallace Edmonds, Libing Zhang
  • Permanent magnet rotor and electric motor incorporating the rotor
    Patent number: 9225209
    Abstract: A permanent magnet rotor includes a shaft, a rotor core fixed to the shaft, and multiple magnet sets. The rotor core has multiple groove sets for receiving the magnet sets. Each groove set has two grooves spaced apart by a first section of the rotor core. The first section has a width gradually decreasing from a radially inner end to a radially outer end. Each groove has a width gradually increasing from a radially inner end to a radially outer end. Each magnet set includes two magnets respectively received in the grooves of a respective groove set. The magnets of a magnet set are magnetized in a same direction, and every two adjacent magnet sets are magnetized in contrary directions creating multiple magnetic poles. The number of magnetic poles is equal to the number of magnet sets.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: December 29, 2015
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Yue Li, Mao Xiong Jiang, Jian Zhao, Shi Xing Huang, Ya Ming Zhang, Xiao Ning Zhu
  • Electrical contactor
    Patent number: 9218919
    Abstract: An electrical contactor has a pair of first terminals and a pair of second terminals. Each first terminal has a fixed member with at least one fixed electrical contact facing the other fixed member. The second terminals having back-to-back electrically-conductive movable arms with an electrically-insulating partitioning element there between. Each second terminal is associated with a different one of the first terminals, and has a movable electrical contact on the associated movable arm which faces the corresponding fixed contact. When the contacts close, contra-flowing current through the back-to-back movable arms produces a repulsive force between the movable arms increasing a force between the fixed and movable contacts.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: December 22, 2015
    Assignee: JOHNSON ELECTRIC S.A.
    Inventor: Richard Anthony Connell
  • Diaphragm pump with inlet pathways passing through mounting holes
    Patent number: 9217425
    Abstract: A diaphragm pump includes a motor, an eccentric member driven by the motor, and a diaphragm. The motor includes an output shaft connected with the eccentric member. The eccentric member includes multiple arms which move up and down due to the rotation of the output shaft. The diaphragm has multiple bladders. Each bladder forms a pump chamber. The bladders are connected with the arms such that the bladders are compressed or expanded due to the movement of the arms. The pump has an air exhaust chamber and an air inlet chamber. The air inlet chamber is connected to the pump chambers via a passage. The passage includes a cavity which overlaps the air exhaust chamber in an axial direction of the motor.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: December 22, 2015
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Wan Hor Looi, Hong Yi Zeng, Samuel Agustin Cuaresma, Jr.
  • Multilayer security wrap
    Patent number: 9209139
    Abstract: A security wrap (20) for protecting an electronic component (16) having a bonding surface includes a substrate (22) having a first side and a second side opposite to each other. A first security screen (26) is disposed over the first side of the substrate (22) and includes a first pair of screen terminals (48) and a first conductive track (46) between the first pair of screen terminals (48). A second security screen (26) includes a second pair of screen terminals (48) and a second conductive track (46) between the second pair of screen terminals (48) and overlaying the first conductive track (46) on the first security screen (26). A layer of adhesive (30) is over a side of the second security screen (26) remote from the substrate (22) and bonds the second security screen (22) to the bonding surface of the electronic component (16).
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: December 8, 2015
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Vincent Daniel Jean Salle, Dominic John Ward, Martin Wallace Edmonds, Libing Zhang
  • Axial fan
    Patent number: 9206816
    Abstract: An axial fan has a hub whose axis coincides with the rotational axis of the fan, a plurality of vanes that extend from the hub, and an outer ring which is coaxial with the hub. The ring has a front portion and a rear portion. The outer ring defines within itself a passage towards the rear portion. The radially outermost ends of the vanes are connected to the inner surface of the passage. The rear portion of the ring has a plurality of appendages that extend axially away from the front portion of the ring, and which alternate circumferentially with corresponding intermediate recesses. Each vane has its radially outermost end connected to an inner surface of one of the appendages.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: December 8, 2015
    Assignee: Johnson Electric S.A.
    Inventors: Fabio Olmo, Gabriele Milanese
  • Electric motor
    Patent number: 9209672
    Abstract: An electric motor has a rotatable armature having two pairs of poles, including a lamination stack which has a shape which is symmetrical about its axis and which forms twenty radial teeth and twenty slots and which has, associated therewith, a commutator with twenty segments, and a distributed closed winding, the conductors of which extend into the slots and are connected to the segments of the commutator in a predetermined manner. The winding of the armature has a lap-type winding or coil section connected to two adjacent segments of the commutator and, in series therewith, a plurality of wave-type winding sections or coils. All of these sections or coils encompass a same number of slots.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: December 8, 2015
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Gian Carlo Magnetti, Daniele Paolo Dal Colle
  • Electro-hydraulic actuator with an integrated brake
    Patent number: 9194405
    Abstract: An electro-hydraulic actuator has a master cylinder, an electric motor and an electro-mechanical brake. The master cylinder has a hydraulic cylinder and an actuation piston slidably received within the hydraulic cylinder to vary pressure within a hydraulic circuit. The electric motor is adapted to drive the actuation piston into the hydraulic cylinder. The motor has a stator and a rotor. The electro-mechanical brake is arranged to selectively and releasably hold the rotor with respect to the stator to prevent relative rotational motion there between.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: November 24, 2015
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Yvan Bourqui, Karin Krattinger
  • Fan unit for a heat exchanger
    Patent number: 9188131
    Abstract: A fan unit for a heat exchanger, particularly for a motor vehicle, has a support structure or cowling having a main aperture forming a passage for a flow of air, and an electric fan having an impeller and an electric motor. A flexible electrical cable connects the motor to a source of supply voltage and/or to an associated control circuit. The cable has a terminal electrical connector having a body with one end connected to the cable, and another end provided with at least one connection aperture. A seat is provided in the support structure or cowling for receiving and retaining the terminal electrical connector, and for covering the at least one connection aperture of the connector.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: November 17, 2015
    Assignee: JOHNSON ELECTRICS S.A.
    Inventors: Gianni Speretta, Francesco Murador
  • Switch for an electric device
    Patent number: 9183997
    Abstract: A switch has a housing and an actuating element retained on a travel path in the housing. A restoring member (4) provides a restoring force urging the actuator to an off position at one end of the travel path. A resistance generator provides a resistance force which opposes the restoring force when the actuator is in a fully actuated position to reduce the holding force require to keep the actuating element in the fully actuated position.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: November 10, 2015
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Gerhard Fangmann, Martin Koepsell
  • Traction motor for electric vehicles
    Patent number: 9178395
    Abstract: A traction motor for an electric vehicle, comprises a stator and a rotor rotatably mounted to the stator. The rotor comprises a rotor core and magnets fixed to the rotor core. The rotor core has 2P rotor poles formed by the magnets, P being an integer greater than one. The stator comprises a stator core having S teeth and field windings wound on the teeth, S being equal to 3·m·P where m is the number of phases. Field windings of each phase comprises P winding units. Each the winding unit comprises a first coil and a second coil connected in series. The first coils have a larger coil pitch and a greater number of turns compared to the second coils.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: November 3, 2015
    Assignee: Johnson Electric S.A.
    Inventors: Rui Feng Qin, Chang Jin Zhou, Ling Yang