Assignee: Johnson Electric S.A.

Location: La Chaux-de-Fonds, CH
No. of patents: 42

Number	Title	Issue Date
8154169	Rail brush assembly with detent A rail brush assembly for an electric motor having a commutator, comprises a brush, a spring, a pair of rails and at least one detent for retaining the brush on the rails. The brush has a groove on each of a pair of opposite sides. The rails are disposed in the groo...	04/10/2012
8152488	Blower A blower for a vacuum cleaner has a diffuser with an increased efficiency by coupling the attack angle A of the diffuser vanes with the attack angle B of the return guide vanes where angle A is between 4° and 6° and angle B is between 6° and 20°. ...	04/10/2012
8148860	PMDC motor A PMDC motor, particularly for driving an automobile liftgate, comprises a stator and a rotor rotatably mounted to the stator. The stator comprises a housing and an end cap mounted to one end of the housing. The end cap comprises: a first brush, a second brush, a fi...	04/03/2012
8146843	Waste food disposal unit A waste food disposer unit 10 for under sink application has a housing divided into a grinding chamber 12 and a motor chamber 15. The grinding chamber 12 has an inlet 16 for water and waste matter and an outlet 18 for water ...	04/03/2012
8138648	Permanent magnet electric motor A motor comprises a stator and a rotor (20) disposed within the stator. The stator comprises: a housing (31) having a polygon cross section that comprises a plurality of side portions (32a-32d) and a plurality of curved corn...	03/20/2012
8125117	Electric motor and rotor therefor An electric motor includes: a rotor; a stator; and brush gear. The rotor has a shaft, a rotor core and a commutator fitted to the shaft. The rotor core has 5n teeth, n being a positive integer. Two coils are wound on each tooth with each coil being wound about a sin...	02/28/2012
8125112	Electric motor A DC motor 12, has a stator housing 16 accommodating a permanent magnet stator and a rotor 15 rotatably mounted confronting the stator. The rotor 15 has a shaft 21, a rotor core 22 fitted to the shaft and having laminations ...	02/28/2012
8115363	Commutator A commutator 10 comprises an electrically non-conductive base 12; and a plurality of electrically conducting segments 16 supported by the base 12. Each segment 16 comprising a first electrically conductive inner layer 18 pro...	02/14/2012
8112825	Seat with massage function A toilet seat includes a body with a plurality of massage mechanisms installed in the body, and means for sealing the massage mechanisms. The massage mechanism includes a housing which comprises an upper part and a lower cover part, a motor held between the upper pa...	02/14/2012
8107159	Electrophoretic display An electronic device includes a first substrate made of thin plastic sheet; a second substrate made of thin plastic sheet opposing the first substrate; a chamber formed between portions of the first and second substrates; and a sealing structure configured to seal t...	01/31/2012
8089183	Lead frame connector A lead frame connector for windings of an electric motor, has a plurality of fixed electrical conductors embedded in overmoulding material, a plurality of spaced termination points provided through the overmoulding material for electrically connecting the motor wind...	01/03/2012
8075439	Automatic opening-closing device An automatic opening-closing device, especially for a cover or seat of a toilet, has a motor having a motor shaft, a speed reducer connected to the motor shaft, a planetary gearbox driven by the speed reducer, an output axle for driving the cover between an open pos...	12/13/2011
8072317	Haptic solenoid system A supporting surface and a touch screen member mounted to a plastic frame having a first vibration transmitting slot and at least two mounting slots. A pair of similar L-shaped poles is mounted in the frame in juxtaposition to define gaps between them. One of the po...	12/06/2011
8063529	Motor A motor comprises a stator and a rotor (20) disposed within the stator. The stator comprises a shell comprising a plurality of sidewalls (10a-10d) and arcuate connection parts (11a-11d) connecting neighb...	11/22/2011
8053945	Electric motor commutator 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 p...	11/08/2011
8051737	Worm gear drive A worm gear drive has a self locking gear train. The gear train comprises a worm 34 fitted to a motor shaft 32 and in mesh with a worm wheel 35 which drives the output 26. The motor shaft 32 extends between two thrust bearings 2...	11/08/2011
8049391	Electric motor A multi-pole PMDC motor has brush gear for transferring electrical power from motor terminations to its windings via a commutator. The brush gear comprises a brush card supporting at least four brush assemblies. The brush assemblies are separated into two brush grou...	11/01/2011
8049387	Electric motor An electric motor has a rotor (20), a housing (10) and a ring magnet (12) fixed onto an inner surface of the housing. The housing (10) has a cross section in a polygon, preferably tetragonal, shape that comprises a plurality of side porti...	11/01/2011
8049380	Electric motor An electric motor has a stator and a rotor. The stator has a housing with inlets and outlets. The rotor has a shaft, a rotor core and a commutator. A fan is fixed to the rotor. An end cap is fitted to the housing to close a first end of the housing and support elect...	11/01/2011
7982354	Electric motor A DC motor, has a stator housing accommodating a permanent magnet stator; a rotor, rotatably mounted confronting the stator, the rotor having a shaft, a rotor core fitted to the shaft and having laminations forming salient poles, a commutator fitted to the shaft adj...	07/19/2011
7977840	Stator winding for a slotless motor A stator winding for a slotless motor is formed by winding a magnet wire 22 into a single layer coil 24. The coil 24 is deformed e.g., by pressing, to form a double layer web 26 which is rolled up end to end to form a cylindrical stator w...	07/12/2011
7977827	Stepper motor device A stepper motor device has a stator and a rotor. The rotor comprises: a shaft; a rotor core associated with the shaft; and a magnet fixed to the rotor core. The stator comprises: a stator shell; a yoke disposed within the shell; a coil wound about the yoke and an en...	07/12/2011
D641205	Shredder ring in a food waste disposal unit	07/12/2011
7973447	Electric motor An electric motor 10 has a stator 14; a wound rotor 20, including a commutator 28; and brush gear for connecting the commutator to a source of electrical power. The brush gear has at least two cage brush assemblies 34. Each cage br...	07/05/2011
7972121	Limited free-motion pump impeller coupling device A limited free-motion coupling device 10 coupling an impeller 14 to a shaft 16 of a rotor 12, the coupling device 10 comprising first and second parts 20, 22 which are axially engaged for relative angular displacement about ...	07/05/2011
7971937	Seat adjuster assembly A seat adjuster assembly includes an electric motor having an output shaft with a worm gear positioned in a gearbox, a spur gear meshing with the worm gear in the gearbox, a spindle shaft fixed to and driven by the spur gear coacting with a nut contained in a tube, ...	07/05/2011
7965008	Servo motor and rotor thereof A servo motor, comprising a stator and a rotor disposed within the stator. The rotor has a core and magnets, covering the periphery of the core, forming a plurality of axially extending rotor poles. The rotor poles comprise a plurality of the magnets arranged axiall...	06/21/2011
7916412	Lens driving device A lens driving device has a stationary part including an iron shell, a movable part including a lens holder for holding a lens therein, and a driving part for moving the movable part relative to the stationary part. The driving part includes a plurality of magnets f...	03/29/2011
7915772	Motor for vehicle door lock A motor of a door lock for a vehicle comprises: a motor housing; an end cap fixed to the motor housing; and a rotation detector. The motor housing accommodates an armature including a motor shaft and a commutator. A sensor magnet is fixed to the motor shaft and the ...	03/29/2011
7859164	Armature laminations A DC motor, has a stator housing accommodating a permanent magnet stator; a rotor, rotatably mounted confronting the stator, the rotor having a shaft, a rotor core fitted to the shaft and having asymmetric laminations, a commutator fitted to the shaft adjacent one e...	12/28/2010
7834491	Electric motor A small size permanent magnet direct current motor has a housing accommodating a permanent magnet stator and a wound rotor. The rotor has a rotor core with a diameter of 23 mm±3 mm and 12 poles and a cylindrical commutator. The motor has an output power of more tha...	11/16/2010
7821727	Lens driving device A lens driving device, comprises a base; a casing fixed to the base; a coil bracket disposed within the casing; a coil wound on the coil bracket, a spring disposed within the casing, a drive rod; and a lens holder; wherein, one end of the spring is fixed to the base...	10/26/2010
7821170	Electric motor A DC motor, has a stator housing accommodating a permanent magnet stator; a rotor, rotatably mounted confronting the stator, the rotor having a shaft, a rotor core fitted to the shaft and having laminations forming salient poles, a commutator fitted to the shaft adj...	10/26/2010
7808285	Driving circuit for capacitive load A power switch assembly for a capacitive load 10 which includes a common electrode 14 and first and second discrete electrodes 16, 18, includes a node n1 coupled to a voltage source Vcc for receiving power there from, a first switching de...	10/05/2010
7800266	Electric motor An electric motor has a wound rotor having a shaft, a rotor core, a commutator and windings wound about the rotor core and connected to the commutator. It has a stator confronting the rotor; brush gear connecting the commutator to motor terminals; first and second b...	09/21/2010
7787046	Voice coil motor A voice coil motor lens module has a two part casing accommodating a magnet housing of annular form with an outer wall and an inner wall joined by a top wall. One or more magnets producing a magnetic field, are fitted to the inner surface of the outer wall. A lens h...	08/31/2010
7777380	Electric motor An electric motor has a wound rotor having a shaft, a rotor core, a commutator and windings wound about the rotor core and connected to the commutator. The motor has a stator confronting the rotor; brush gear electrically connecting the commutator to motor terminals...	08/17/2010
7614779	Kitchen appliance A kitchen appliance in the form of a stand mixer has an electric motor driving a mixing implement via a gear box. The gear box includes a worm on a shaft mating with a worm gear to achieve speed reduction and a change in the axis of rotation. ...	11/10/2009
7576461	Electric motor The electric motor is a fitment to a customer's unit and in particular to a customer's electronic throttle control unit. The motor comprises a can-like metal housing 10 having one or more outwardly extending flanges 21, 22 and an end cap 15 clos...	08/18/2009
7533836	Splash guard for a garbage disposal unit A splash guard for an under the sink garbage disposal unit has a baffle which prevents splash back. The baffle has a membrane with a number of radially extending slits. Each slit has a pair of walls extending downwardly from the membrane forming a channel. One wall ...	05/19/2009

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Assignee: Johnson Electric S.A.