| Document |
Document Title |
|
JP2008178187A |
To provide a polyphase induction machine wherein harmonic components in a rotating magnetic field due to concentrated winding can be suppressed and productivity can be enhanced as compared with distributed winding.The three-phase inducti...
|
|
JP4117642B2 |
|
|
JP2008522573A |
A mounting arrangement for the starting system of a compressor of the type which comprises a shell carrying, externally: energization pins; and a starting module having an electrically non-conductive basic body fitted to said energizatio...
|
|
JP4105144B2 |
The stator has a stator core (22) and a stator winding (24) that with conductors. The conductors are organized into multiple phases defined by a circumferential pitch. Each conductor has a set of straight segments interconnecting a set o...
|
|
JP4102749B2 |
A plurality of projections are provided abutted with an outer circumference of a columnar axis inserted to an inner circumference of a rotor. The projections are provided in the direction of a magnetic pole in the rotor. When the rotor i...
|
|
JP2008131709A |
To highly precisely analyze residual voltage when three-phases are interrupted simultaneously, in a power source of a three-phase induction motor.The circuit constant, current I, torque TM and rotation speed M of the three-phase inductio...
|
|
JP4096843B2 |
|
|
JP2008099506A |
To provide an induction motor that is low-cost and simple in constitution, with improved cooling performance, wherein a plurality of through holes are provided to a rotor of a laminated electromagnetic steel sheet, and an arc-like blade ...
|
|
JP2008511281A |
The invention relates to an axial flux induction electrical machine comprising a frame, a shaft ( 1 ) bearing-mounted to the frame, a disc-like rotor ( 2 ) supported to the shaft, a stator ( 4 ) comprising a stator winding ( 3 ) and supp...
|
|
JP4063888B2 |
The electric motor includes a frequency converter connected in series for the control of its number of revolutions, whereby its signal- and power circuitry is housed in a casing which forms a structural unit with the electric motor. The ...
|
|
JP4065267B2 |
|
|
JP4057710B2 |
The rotor has an outer region with an annular cross-section for providing the magnetic field. There is a rotor yoke (12) of magnetisable steel, with magnetic field components (13) and a clamping sleeve (15) which is elastically tensioned...
|
|
JP4052719B2 |
|
|
JP4039529B2 |
In order to obtain an electromagnetic rotating machine of lightweight and high energy efficiency, which produces big torque for rotating a large-diameter fan, a coil A and coil B as excitation coils are disposed on an inner peripheral su...
|
|
JP4038025B2 |
|
|
JP2008500796A |
Disclosed is an electric motor ( 3 ) comprising a system ( 4 ) for detecting the motor state and a motor supply system ( 10, not represented). The aim of the invention is to keep the dimensions of the outer contours of the whole system (...
|
|
JP2007538490A |
The present invention generally relates to the use of electrical charge storage devices in the rotors of induction machines. Optimal induction machine rotor electrical field requirements increase with rotational velocity and inversely to...
|
|
JP4028089B2 |
|
|
JP4026731B2 |
|
|
JP2007329991A |
To provide a winding type induction machine in which the speed can be controlled through a simple structure without using a brush. A winding type induction machine comprising a stator comprising a stator core provided with a primary wind...
|
|
JPWO2005062442A1 |
The power generation device is interposed between the first iron core portion (hollow tubular iron core portion) 1 and the second iron core portion (cylindrical iron core portion 2), and at a predetermined interval in the circumferential...
|
|
JP2007315377A |
To provide a sealed compressor having improved efficiency, while saving cost when defective rotors are produced in manufacturing processes, and to provide its manufacturing method. The sealed compressor comprises a stator, and the rotor ...
|
|
JP4008314B2 |
|
|
JP4005532B2 |
A terminal structure (67) for interconnecting coil ends in a plural phase rotary electrical machine and adapted to be mounted at one axial end of a core having a plurality of circumferentially spaced pole teeth around which electrical co...
|
|
JP4003058B2 |
In an axial-air-gap induction motor which has a disk-shaped stator and rotor placed coaxially around a rotating shaft with their surfaces opposing each other across a predetermined gap, the stator and rotor are each composed of a disk-sh...
|
|
JP2007259526A |
To reduce leakage reactance, and increase the maximum torque of a motor. A squirrel-cage induction motor is provided with coil ends 6, extending outwardly from both axial end faces 3a of a stator 3, and short-circuit rings 9 attached to ...
|
|
JP2007259546A |
To raise energy efficiency, concerning a motor starter. A motor starter, which has a main winding and a sub winding, is equipped with a first positive characteristic thermistor, a semiconductor switch which is connected in series with th...
|
|
JP3982311B2 |
|
|
JP2007527189A |
A synchronous induction motor has a stator having a main winding and an auxiliary winding; a rotor having a yoke, a permanent magnet embedded in the yoke and a secondary conductor provided in the vicinity of periphery of the yoke; and a ...
|
|
JP2007228798A |
To provide a squirrel-cage rotor core where a phenomenon that a secondary conductor goes out does not occur even if residual stress at the time of casting appears outside or internally exists. The squirrel-cage rotor core has a first con...
|
|
JP3952346B2 |
To reduce the space of a coil end and the ohmic power loss of the coil by bending bridging conductor part other than the final bridging conductor part to form the bent ends that overlaps in the direction of the diameter of a core. A coil...
|
|
JP3950114B2 |
To provide a stator for an induction motor capable of simplifying its structure and facilitating assembling work, and raising a counter electromotive force. The induction-motor includes a stator (600) in which a main winding (620) and an...
|
|
JP2007181394A |
To provide a generator which can provide a constant supply of electrical energy, without destroying the natural environment, and moreover, which can be made compact.The generator comprises a primary winding which produces an advancing ma...
|
|
JP2007181348A |
To provide a method for manufacturing a stator in an induction motor capable of easily attaining the target running torque by improving a space factor of a main coil and capable of facilitating production in relatively few manhours.Main ...
|
|
JP3938331B2 |
To provide a magnetic bearing-generator motor wherein when a generator motor provided with a magnetic bearing function is operated as a generator or a motor from an energy source accumulating a constant energy or using the energy, requir...
|
|
JP2007151312A |
To provide an induction motor with high rigidity without causing deformation.This induction motor has an insulator 30 for bendably attaching segments 32a to 32 for covering respective teeth 21a to 21 through a thin hinge portion 34. A re...
|
|
JP3930294B2 |
To reduce noise to passengers in a vehicle without causing cooling capability to deteriorate. A totally-enclosed fan-cooled motor for vehicle does not have an air inlet port for taking in cooling air formed on the upper half of the motor...
|
|
JP3920450B2 |
To provide an outer rotor motor which easily enables the reduction of the number of components to be reduced and the improvement of the assembly. An outer rotor motor has a stator 5 which receives electric power via a power supply lead 1...
|
|
JP2007129870A |
To obtain a quality die cast part wherein a clearance due to gas accumulation is not produced and the strength of coupling with a fixing part can be kept high.A rotor part is formed by integrating a metal shaft fixing part 16 having a fl...
|
|
JP2007129833A |
To provide a phase controller that allows a starting capacitor to freely be installed at a place that a user desires, and can be saved in space as a whole.The phase controller that controls the phase of a power supply by using a switchin...
|
|
JP3911118B2 |
To produce an aluminum alloy for casting, having high mechanical strength and capable of suppressing the generation of casting cracks even when used for a casting with a shape having a narrow part of caving area at the middle of a runner...
|
|
JP2007107910A |
To reduce bearing loss and aim at improvement in accuracy of measurement, also simplifying the constitution of a bearing part for supporting the periphery of a rotary loading means.On the upper surface of the base 11, the stationary part...
|
|
JP2007104863A |
To provide a stator of an abduction-type capacitor motor used for driving a ceiling fan or the like, which is improved in a space factor and also thinned and reduced in a production cost without degrading winding quality.A stator core 2 ...
|
|
JP2007097270A |
To provide an induction motor that can surely prevent deformation and breakage caused by the centrifugal force or the heat generation of a cage-type rotor at high-speed rotation.The induction motor comprises: a rotating shaft 1; a lamina...
|
|
JP2007507192A |
To attenuate the parasitic air-gap fields of an electric machine, various measures are carried out on the stator ( 3 ) and/or rotor ( 7 ).
|
|
JP2007068243A |
To provide a cage rotor which is easy of manufacture in small parts count.This cage rotor is equipped with a rotor core 91 which has a plurality of slots 91b, a pair of conductive end rings 92 which are arranged at both ends of the rotor...
|
|
JP2007054856A |
To provide a swaging apparatus and a swaging method by which the production efficiency of a rotor can be improved by reducing a time needed to a preparing step.The swaging apparatus 1 is provided with; rolls 4 for supporting and rotating...
|
|
JP3887472B2 |
To prevent a net high frequency current from being generated between ends of an axis, and prevent a current damaging a bearing from penetrating it, by connecting one half of a coil group of each phase with a supply AC current, at one end...
|
|
JP2007043882A |
To obtain a single-phase induction motor where the number of revolutions are independent of the angular frequency of the AC power supply.When induction from a coil to another coil is used, electromagnetic induction by resonance is utiliz...
|
|
JP2007043792A |
To improve the energy efficiency in a motor starting device.The motor starting device having a main winding and an auxiliary winding is provided with a first positive temperature coefficient thermistor 104, a semiconductor switch 105 con...
|
