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Generator

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USPTO Class 310 - Electrical generator or motor structure
Updated: 3 days 32 min ago

Permanent magnet motor

Mon, 06/02/2014 - 1:40pm
The present invention is directed to the method of utilizing magnetic materials in permanent magnets and permanent magnet discs and surfaces, as a source of magnetic fields for producing rotational means, to produce a permanent magnet motor and utilizing this method to produce a powered means for use in remote...
Categories: Electronics

Electric power tool

Mon, 06/02/2014 - 1:40pm
An electric power tool including: a motor; and a rotary impact mechanism configured to be driven by the motor, wherein the motor is configured such that a rotation speed thereof can be set within a range of 14600 to 19000 min−1 when a motor torque is within a torque range...
Categories: Electronics

Reduced cogging torque permanent magnet machine

Mon, 06/02/2014 - 1:40pm
An electric machine is formed by a stator and a rotor that is free to rotate about an axis of rotation. The stator may have teeth projecting from a body portion and that define slots for housing electrical windings. The rotor may have a rotor core and a number of...
Categories: Electronics

Rotating electrical machine

Mon, 06/02/2014 - 1:40pm
A rotating electrical machine includes: a case; a rotor; a stator; a control portion including a field circuit portion used to supply a current to a control circuit and the field winding; a power circuit portion controlling a stator current; a heat sink installed so as to cool the control...
Categories: Electronics

Rotary electric machine apparatus

Mon, 06/02/2014 - 1:40pm
A rotary electric machine apparatus includes a first rotary electric machine that includes a first rotor, a first stator and a first housing for containing the first rotor and the first stator, a second rotary electric machine that includes a second rotor, a second stator and a second housing for...
Categories: Electronics

Axial flux electrical machines

Mon, 06/02/2014 - 1:40pm
An axial flux electrical machine comprises a substantially sealed housing (10) defining a fluid flow path (20), a heat exchanger (22) for transferring heat energy from a fluid flowing in the fluid flow path to another fluid, a stator (16) located within the housing (10), a rotatable shaft (12), a...
Categories: Electronics

Motor air flow cooling

Mon, 06/02/2014 - 1:40pm
In one possible embodiment, an aircraft electric motor cooling system is provided having an airflow path through a spinner which includes a first airflow path between an inner rotor and a stator, a second airflow path between an outer rotor the stator and a third airflow path along an outer...
Categories: Electronics

Rotary electric machine

Mon, 06/02/2014 - 1:40pm
A housing and a rotary shaft of a motor are formed of non-magnetic material. A soft magnetic member is provided between a first axial end surface of a fixed core and a bearing. The soft magnetic member is provided on the fixed core side relative to the first bearing thereby...
Categories: Electronics

Electronic assembly group and method for producing the same

Mon, 06/02/2014 - 1:40pm
An electronic assembly group comprising a printed circuit board structure in a multilayer configuration that has at least two electrically conductive layers. The electronic assembly group also comprises an additional passive component that is connected to the two electrically conductive layers, each of which has at least one segment that...
Categories: Electronics

Use of pek and pekekk on magnet wire

Mon, 06/02/2014 - 1:40pm
An electric motor assembly configured for use in a downhole pumping system includes a plurality of stator coils. Each of the plurality of stator coils includes magnet wire that has an insulator surrounding a conductor. In preferred embodiments, the insulator is manufactured from a material selected from the group consisting...
Categories: Electronics

Conducted emissions filters

Mon, 06/02/2014 - 1:40pm
Conducting emission suppression in a power circuit for an electric motor comprises a negative temperature co-efficient resistor and capacitor connecting one of the power lines to ground. The NTC resistor is self-stabilising so that changes in the load current are automatically compensated for....
Categories: Electronics

Assembly structure for end cover and shell of motor

Mon, 06/02/2014 - 1:40pm
An assembly structure, including an end cover and a shell. The end cover includes a rabbet, a side wall, and an end surface. The shell includes an end part. A plurality of clamping grooves is arranged at a bottom of the rabbet and on the side wall of the end...
Categories: Electronics

Sealing module of hydrodynamic bearing and spindle motor having the same

Mon, 06/02/2014 - 1:40pm
Disclosed herein is a sealing module of a hydrodynamic bearing in which oil is filled in a micro gap between a shaft and a sleeve to form a hydrodynamic bearing part, wherein the shaft is fixedly coupled to a holder, the sleeve is rotatably supported by the shaft, the sleeve...
Categories: Electronics

Magnetic bearing systems and methods of controlling the same

Mon, 06/02/2014 - 1:40pm
A magnetic bearing system includes a first electromagnet, a second electromagnet opposing the first electromagnet, and a rotor positioned between the first and second electromagnets. The first and second electromagnets are configured to apply a magnetic force. The system also includes a controller configured to determine a control action necessary...
Categories: Electronics

Eddy current torque transfer coupling assembly

Mon, 06/02/2014 - 1:40pm
An electrical slip coupling assembly and method for enhancing transmission of torque are provided. The coupling assembly includes a field member (FM), an armature member (AM), and annular windings. The FM includes flux concentrating axial and radial teeth. The AM includes an interchangeable non-ferrous electrically conductive material cladding on an...
Categories: Electronics

Method and apparatus for compensating a line synchronous generator

Mon, 06/02/2014 - 1:40pm
A three-phase line synchronous generator with an exciter and generator stage. The exciter stage includes an exciter stator having n poles and an exciter rotor having n poles and disposed for rotation within the exciter stator, and the generator stage includes a generator stator having n poles and a generator...
Categories: Electronics

Electric motor having an approximated ellipsoid shaped rotor

Mon, 06/02/2014 - 1:40pm
In one embodiment, a motor has a rotor with an approximated ellipsoid shape defined by a plurality of lattice lines and a plurality of lattice points. The motor has a matching stator that is configured to be utilized in conjunction with the approximated ellipsoid shaped rotor and to accommodate the...
Categories: Electronics

Permanent magnet synchronous electric machine

Mon, 06/02/2014 - 1:40pm
Disclosed is a permanent magnet synchronous electric machine, comprising a stator (1) and a rotor (2). A plurality of wire grooves (3) are provided peripherally on the stator (1), coils (4) are provided within the wire grooves (3), and a stator tooth (5) is provided between adjacent wire grooves (3)....
Categories: Electronics

Rotor for rotating electric machine

Mon, 06/02/2014 - 1:40pm
A rotor includes a rotor core and a plurality of magnetic pole parts. The rotor core has a magnet insertion hole. The magnet insertion hole includes a first peripheral edge portion and a second peripheral edge portion spaced away from the first peripheral edge portion in a radial direction of...
Categories: Electronics

Compact multiphase wave winding of a high specific torque electric machine

Mon, 06/02/2014 - 1:40pm
The invention is the compact multiphase wave winding (6) of the electric machine. Winding (6) is filling the slots (5) of the stator ferromagnetic core (3) and comprise one or multiple layers (40). Winding (6) fills the slots (5). Winding comprise N or a multiple on N conductors (8), where...
Categories: Electronics