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8937424 Strain amplification structure and synthetic jet actuator  
A strain amplification structure has a frame with a hexagonal structure incorporating a plurality of rigid beams that are connected to opposing end beams by a plurality of flexible joints. A...
8937422 Magnetic iron core, method for manufacturing the same, axial-gap rotating electrical machine, and static electrical machine  
The magnetic iron core includes an amorphous foil strip wound to form the magnetic iron core. Preferably, the magnetic iron core is filled with resin, the resin being disposed by using a spacer...
8937473 Angular position sensor and assembly comprising a rotary system and such a sensor  
Sensor for continuously measuring the angular position of a shaft rotatably mounted relative to a housing. The sensor includes a stator, a rotor attachable to the shaft, and permanent magnets...
8937417 Rotating electric machine and wind power generation system  
This rotating electric machine includes a rotor including a rotating shaft portion, a rotor yoke surrounding the rotating shaft portion and a rotor core, arranged on the outer peripheral surface of...
8937421 Electric motor  
An electric motor includes a stator, a rotor, and multiple brushes. The stator forms multiple poles. The number of brushes is less than the number of stator poles. The rotor includes a commutator,...
8937419 Radially anisotropic ring R-TM-B magnet, its production method, die for producing it, and rotor for brushless motor  
A method for producing a radially anisotropic ring magnet having at least one axial groove on the inner surface comprises using a die comprising a cylindrical, magnetic core, a magnetic sleeve...
8937425 Mechanical resonating structures including a temperature compensation structure  
Mechanical resonating structures are described, as well as related devices and methods. The mechanical resonating structures may have a compensating structure for compensating temperature...
8937415 Rotary electric machine having motor cover with exhaust hole in counter-load side direction  
A rotary electric machine according to embodiments includes a tubular motor frame, a tubular motor cover, and a cooling fan. The motor frame includes therein a stator and a rotor. The motor cover...
8937414 Electric motor and electric vehicle having the same  
Disclosed are an electric motor and an electric vehicle having the same. The electric motor includes a stator including a stator core and a stator coil wound around the stator core, a rotor...
8937398 Wind turbine rotary electric machine  
A wind turbine rotary electric machine having a rotor, which rotates about a designated axis and has a rotary body; a plurality of permanent magnets fitted to the rotary body; a plurality of...
8936574 Drug delivery pump drive using linear piezoelectric motor  
A drug delivery pump drive which uses a linear piezoelectric motor to advance a syringe piston to deliver a liquid drug and a method thereof are disclosed. The pump drive, provided in a drug...
8937416 Automotive dynamoelectric machine with a protective cover for voltage regulator and rectifier elements  
A resin protective cover is prepared so as to have a cup shape that is constituted by a floor portion and a tubular peripheral wall portion, and that can be mounted to a rear bracket so as to cover...
8937423 Disk motor and electric power tool  
A disk motor and an electric power tool in which positioning of a coil disk with respect to a commutator disk can be carried out while reliably ensuring insulating properties are provided. A disk...
8937401 Vehicle with drive system providing reduced emissions  
In accordance with exemplary embodiments, a drive system is provided for an electric or hybrid electric vehicle that provides reduces electromagnetic emissions. The system includes, but is not...
8937413 Electric motor with coolant shield assembly  
An electric motor assembly includes a shield that extends about a sector of the winding head to be disposed axially outboard of the outer axial end of the winding head and radially inboard of the...
8937426 Manufacturing method of polarizing polyvinylidene fluoride piezoelectric film without metalized electrode and system having the same  
A manufacturing method of polarizing polyvinylidene fluoride (PVDF) piezoelectric film without metalized electrode includes providing a polyvinylidene fluoride (PVDF) piezoelectric film that is...
8937412 Method of forming a power tool  
An electric motor for a power tool includes a stator and an armature disposed in the stator. The armature includes a lamination stack having slots therein; an armature shaft extending coaxially...
8937420 Rotor of permanent magnet embedded motor, blower, and compressor  
A rotor of a permanent magnet embedded motor includes a rotor iron core formed by stacking a predetermined number of magnetic steel sheets punched into predetermined shapes, a plurality of...
8937411 Vibration generating device  
There is provided a vibration generating device, including: a housing including an inner space; a shaft provided in the inner space of the housing in an axial direction; a frame including a shaft...
8937418 Rotor core, rotor, and rotating electric machine  
A rotor core according to an embodiment includes a pair of magnet openings disposed such that a space therebetween widens toward an outer peripheral side and in which a pair of permanent magnets...
8933595 Plasma flow interaction simulator  
A plasma interaction simulator is presented. The simulator magnetically induces multiple distinct flows of plasma within a physical plasma vessel. The plasma flows collide with each other at flow...
8933609 Electric motor driven liquid pump and brush for same  
In one implementation, a liquid pump includes a pumping element, an electric motor and a brush housing. The electric motor is coupled to the pumping element to drive the pumping element for...
8933600 Brushless DC motor structure having a fan radiator for dissipating heat from the motor and the controller  
A brushless DC motor structure including a motor body, a controller, and a fan radiator. The fan radiator is mounted between the motor body and the controller to disperse heat from the motor body...
8933605 Brushless motor  
A brushless motor has a stator and a rotor rotatably installed inside of the stator. The stator includes a stator core with teeth protruding inwardly and windings wound on the teeth. The rotor...
8934196 Rotating apparatus with increased inner diameter of bearing hole opening  
A rotating apparatus includes a hub, a shaft housing portion having a center through-hole, and a base plate, having a base circular part that extends axially and with an inner surface thereof used...
8933606 Interior permanent magnet machine with pole-to-pole asymmetry of rotor slot placement  
An interior permanent magnet machine includes a rotor having a plurality of slots. First and second slots are disposed in a first pole and the third and fourth slots are disposed in a second pole....
8931710 Rotary atomizer having electro-magnetic bearings and a permanent magnet rotar  
An improved rotary disc atomizer for use in, for example, spray dryers or congealers is disclosed. The rotary disc may be directly mounted to the shaft of a high-speed electrical motor. The...
8933604 Rotor core assembly  
A rotor core assembly that includes a magnet, a first end cap located at an end of the magnet, a second end cap located at an opposite end of the magnet, and a sleeve that surrounds the magnet and...
8933601 Detection stator, rotation detector and mounting structure thereof  
A motor includes a rotary shaft and a motor housing internally housing the rotary shaft. The motor housing is provided with a mounting hole in a position corresponding to an end of the rotary...
8933611 Vibration power generator, vibration power generating device and communication device having vibration power generating device mounted thereon  
Electricity generated by a vibration power generator 200 can be extracted efficiently by providing the vibration power generator 200, a rectifier circuit bridge 205, an output controlling circuit...
8934195 Fluid dynamic bearing with non-linear damping  
Thus, if a shock or other disturbance to a disc stack spindle bearing assembly occurs that tilts the bearing assembly, the resulting motion is both a tilting, and a motion which is axial. If a...
8933603 Spindle motor and manufacturing method thereof  
A spindle motor is provided, the motor including a bearing assembly including an upper end-opened cylindrical bearing housing and a bearing inserted into the bearing housing and formed with a...
8933607 High efficiency air core motor-generator  
An air core motor-generator has a rotor that rotates about an axis of rotation, and a stationary stator that magnetically applies torque to the rotor. The rotor includes magnetic poles that drive...
8933610 Rotor and motor  
A rotor includes at least one of a group of one or more auxiliary magnets that are located between first and second claw poles in a circumferential direction and magnetized to be magnetic poles of...
8933598 Hydroelectric turbine with coil cooling  
The present invention provides provided a hydroelectric turbine having a stator and a rotor, an array of magnets being fixed to rotor and a corresponding array of coils being fixed to the stator,...
8932185 Brake device with built-in power generation mechanism and permanent magnetism eddy current  
A brake device with built-in power generation mechanism and permanent magnetism eddy current comprises: an external rotator including a flywheel and a permanent magnet fixed at an inner periphery...
8933599 Cooling system of electric rotating machine for vehicles  
A cooling system of a AC generator for vehicles has a stator with a stator winding, a rotor that is arranged in an inner circumferential side of the stator, a rectifier that converts an alternating...
8933597 Linear vibration motor  
Disclose herein is a linear vibration motor including: a stator part including a coil having a power applied from the outside thereto to form a magnetic field; a vibrator part including a magnet...
8933612 Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic instrument  
A SAW resonator which, using a quartz crystal substrate with Euler angles (−1.5°≦φ≦1.5°, 117°≦θ≦142°, and 41.9°≦|ψ|≦49.57°), includes an IDT that excites a stop band upper end mode SAW, and an i...
8933602 Stator structure and stator manufacturing method  
To provide a stator structure or a stator manufacturing method capable of providing a short coil end, a stator structure includes a coil mounted on a stator core part and a resin-molded portion...
8933615 Tuning fork piezoelectric vibrator with clearance groove formed on the base side of the package  
A piezoelectric device including a tuning-fork piezoelectric vibrating element having a base and a pair of vibrating arms positioned parallel to each other and extending from the base at right...
8933613 Ultrasonic transducer driving ciruit and ultrasonic image display apparatus  
An ultrasonic transducer driving circuit configured to supply an output current and/or an output voltage to an output line for driving an ultrasonic transducer is provided. The ultrasonic...
8933614 Small-sized piezoelectric tuning-fork resonator  
The piezoelectric resonator (21) includes a first and a second planar tuning fork shaped part arranged in a common plane. It is intended to be mounted on a support via a linking part (29), the...
8933656 Blower system and method for controlling the same  
A blower system, including a permanent magnet motor and a wind wheel. The permanent magnet motor includes a stator assembly, a rotor assembly, and a motor controller. The rotor assembly includes a...
8933608 Commutator motor and method of connecting windings of the same  
A commutator motor is configured such that an armature includes an armature core having teeth and slots, an armature coil, and a commutator having segments. The armature coil includes coil units in...
8933596 Micro rotary machine and methods for using same  
A micro rotary machine may include a micro actuator and a micro shaft coupled to the micro actuator. The micro shaft comprises a horizontal shaft and is operable to be rotated by the micro...
8928192 Electromagnetic vibrator with dual layer diaphragm unit  
An electromagnetic vibrator includes an electromagnetic provider and a vibration unit, wherein the vibration unit includes a diaphragm unit and an induction coil unit affixing on an inner side of...
8926235 Drilling head with axial vibrations  
A drilling head (1) with an axial oscillation generator, includes a mounting (2) for coupling the head to a motor for rotating the mounting about an axis, the mounting (2) having a longitudinal...
8928432 Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic apparatus  
A surface acoustic wave resonator includes: an IDT which is disposed on a quartz substrate with Euler angles of (−1°≦φ≦1°, 117°≦θ≦142°, 42.79°≦|ψ|≦49.57°), which is made of Al or alloy including ...
8928195 Rotary machine  
On an inner circumference side of a stator fixed in an inner housing, a rotor is arranged. The rotor rotates through a bearing with respect to a center shaft that is a stationary shaft fixed to...