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JP2006081391A |
To provide a single-phase induction motor capable of reducing startable operating voltage required for the starting of a permanent magnet rotor, as well as improving the efficiency of the motor by improving starting performance, and capa...
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JP3754324B2 |
To provide an induction synchronous motor where assembling workability of a rotor is improved, production cost is reduced significantly, and operating performance of the motor is improved. A plurality of die cast molded secondary conduct...
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JP3752781B2 |
To reduce high tensile stresses produced at a conductor bar and the base of an end ring by varying the shape of slits in the axial direction in order to constrain thermal expansion of the conductor bar in the axial direction, forming a p...
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JP3752828B2 |
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JP2006060999A |
To provide a single-phase induction motor, which can simultaneously and adequately satisfy initial starting performance and efficiency performance of the motor, by changing the number of auxiliary windings making the current pass, accord...
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JP2006506939A |
The invention relates to an electrical machine and a method for assembling an electrical machine. The electrical machine includes a stator (1), which is received in a housing. The housing is closed by a housing cap (12). The electrical m...
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JP2006050715A |
To acquire a ventilation fan for improving the motor efficiency and eliminating a magnetic sound even if there is a weak notch with a large power difference in a small motor.The ventilation fan has a speed adjusting function with three o...
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JP3745887B2 |
To miniaturize a solder bath, to improve workability in maintenance, etc., and to make a jet pressure over a whole width of a nozzle uniform in the jet type soldering device. A once-through type pump 33 is arranged in a solder bath 33 ho...
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JP2006042543A |
To solve the following problem: in an induction motor in which an end ring portion of a rotor core consisting of a laminated electromagnetic steel plate is constructed out of a plurality of protrusion portions, a temperature rise in wind...
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JP3743348B2 |
A synchronous inductance motor provided in a rotor includes at least a pair of slit portions forming a two-pole magnetic polar projection having an easy-to-pass direction of the magnetic flux, i.e., q-axis and a difficult-to-pass directi...
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JP2006025588A |
To provide a controller of an induction motor, capable of quickly driving the induction motor in the initial stage and then sustaining driving of the induction motor with high efficiency and low power consumption.The controller of motor ...
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JP2006503528A |
A single phase, three-speed induction motor having 4, 6, and 8-pole speed configurations. In one embodiment, the motor is constructed and arranged to be used in connection with a washing machine. The 8-pole speed winding shares a portion...
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JP3118278U |
To reduce a material dose, reduce efficiency consumption, avoid an excessive rise in motor temperature, reduce motor weight, reduce cost and the like, regarding a structure of a stator for a household fan motor. A plurality of silicon st...
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JP3738733B2 |
To assure insulation between electrical conductors at a coil end. One set of electric conductors 331a and 331b at a coil end 31b are so disposed as to cross the other set of electric conductors 332a and 332b radially adjoining at one or ...
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JP3739080B2 |
To enable to assemble process by loading, a rotor even after a stator and a terminal board are mounted into a motor frame, so as to ensure efficient decomposition and assembly. A disc type terminal board 28 comprises capacitors 36, 37 an...
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JP3738928B2 |
To reduce a resonance stress generated in the rotor bar of a rotor to a minimum, and prevent the rotor bar from being broken, by setting the swaged length of the rotor bar as a specific value ratio of the length of a rotor core, swaging ...
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JP3734566B2 |
To cause a rotor to have a sufficient bearing force against a centrifugal force and to prevent the deterioration of permanent magnets. This rotor has a rotor iron core 11 formed by laminating electromagnetic steel sheets having slots 12a...
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JP3731634B2 |
To provide a substrate-processing device wherein the weight of a rotator is reduced for smaller device. An induction motor 1, comprising a rotator 3 formed into disc form from a conductive material and a stator 5 comprising a plurality o...
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JP3730531B2 |
To provide a rotating electric machine having a good rotor and no void in casting. Aluminum is used for conductor bars 7a and end rings 7c, wherein the end parts of the conductor bars 7a are tapered toward the tips. The end rings 7c are ...
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JP2005341714A |
To provide a starting device for a motor which is reduced in power consumption of the starting device and is effective in power consumption energy, by reducing the power consumption of a heating element.The starting device for a motor ha...
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JP2005537777A |
A 4/6 pole PSC motor having main and auxiliary winding configurations. Common windings are energized in both a 4-pole configuration and energized in a 6-pole configuration for both the main and the auxiliary winding configurations. An ad...
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JP2005341782A |
To provide a brushless DC motor, an AC servo motor and an induction motor which are compact, light-weight and highly efficient without requiring winding work, in electric motors having ring-shaped stator coils.In a three-phase structure,...
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JP2005341796A |
To provide a variable speed type motor, which realizes saving of manufacturing cost, the reduction of electromagnetic oscillation noise, and the power supply saving by controlling the rotational speed of the motor so as to be constant, w...
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JP2005341750A |
To save energy by achieving no power consumption by a starting device used for staring the motor of an electric compressor.A positive temperature coefficient thermistor 7 and a contact 102 are connected in series to an auxiliary winding ...
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JP2005333743A |
To obtain a cage type rotor which can rotate at a high speed, which has a low cost and excellent productivity, and in which casting defect is few and high reliability.This cage type rotor is obtained by integrally molding a conductor par...
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JP3721312B2 |
To provide a motor protection circuit which is provided with a temperature feed-back element. In the temperature of a feed-back element 34, provided in a certain area within a compressor rises, a current flowing into a start coil 42 also...
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JP3718541B2 |
To reduce the manufacturing cost of a squirrel-case rotor by forming reinforcing members which prevent the deformation of short-circuit rings by centrifugal forces when the rotor is rotated at a high speed in easily machinable shapes. A ...
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JP3720357B2 |
Power is provided to the stator windings of an AC induction machine which includes a component at the fundamental drive frequency for the machine and a superimposed signal component which is at a substantially higher frequency than the d...
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JP2005304271A |
To reduce dimensions and cost and to improve current waveforms that can be supplied to an electric power system, in a wind-power generation system which uses an AC excitation-synchronous generator.In a method of constituting the excitati...
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JP2005278373A |
To provide a rotor of an induction motor which is provided with a secondary conductor constituted of two conductive portions at a slot of a magnetic substance core, capable of effectively reducing a centrifugal load to be applied from th...
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JP2005278372A |
To provide a rotor for an induction motor which efficiently disperses a centrifugal load generated at a secondary conductive portion of the rotor to a core of the rotor while restraining degradation in electrical characteristics and perf...
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JP2005269707A |
To elevate the efficiency of an induction motor and to smoothly perform variable speed drive and constant speed drive.In the induction motor which is equipped with stator winding, consisting of a stator iron core and distributed winding ...
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JP2005269762A |
To provide an induction motor for eliminating an influence on an electrical characteristic of the motor and efficiently conducting heat generated by a rotor to ambient air.The induction motor is provided with a stator for mounting a stat...
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JP2005269889A |
To provide the stator of the electric motor which can realize improvement in space factor, and facilitate insertion of stator windings into a stator groove.The stator of the electric motor is provided with a stator core, having a plurali...
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JP3701122B2 |
To control the levitation position of a rotor in a low frequency range by integrating counter electromotive voltage and correcting the deformation of magnetic flux distribution caused by induced current, thereby forming (m) pole driving ...
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JP3701413B2 |
To provide a solid rotor for a cage induction motor which is more suitable for high speed operation by greatly lessening the stress to be applied to the core section. In a solid rotor for a cage induction motor provided with a rotor body...
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JP3701412B2 |
To provide a rotor for a cage induction motor which can be rotated as fast as a solid rotor and has a small eddy current loss on its surface. A rotor for a cage induction motor has a core section 11 which is made by stacking inorganic in...
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JP2005261005A |
To provide apparatus and process for manufacturing a squirrel cage rotor at a low cost, while enhancing work efficiency by enabling application of brazing to the other side with a short cooling time, without taking out the squirrel cage ...
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JP2005253299A |
To provide a generating set which can supply electric energy without destructing a natural environment further stably, and moreover can make the set into compactification.The electric apparatus is provided with a primary winding generati...
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JP2005528078A |
A power converter for a switched reluctance motor or a permanent magnet brushless direct current (dc) motor may include first and second partial circuits for forming multiple conduction circuits in cooperation with first and second phase...
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JP2005528077A |
A power converter for a switched reluctance motor or a permanent magnet brushless direct current (dc) motor may include first and second partial circuits for forming multiple conduction circuits in cooperation with first and second phase...
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JP2005528076A |
A power converter for a switched reluctance motor or a permanent magnet brushless direct current (dc) motor may include first and second partial circuits for forming multiple conduction circuits in cooperation with first and second phase...
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JP2005528074A |
A power converter for a switched reluctance motor or a permanent magnet brushless direct current (dc) motor may include first and second partial circuits for forming multiple conduction circuits in cooperation with first and second phase...
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JP3693100B2 |
Described herein is a multi-phase transverse flux machine, which comprises a stator with essentially U-shaped and I-shaped cores (1, 2) of a soft-magnetic material and respectively one stator winding (3) for each phase that generates a m...
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JP2005237160A |
To provide a rotating electric machine with little noises which reduces wind whizzing noises generated by rotor bars.The rotating electric machine is equipped with a stator 6, wherein coils 2 are stored in a groove 3 formed in a stator i...
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JP2005237086A |
To provide an axial motor that is provided with magnetic cores and enables the enhancement of efficiency, output, and the like, and also provide a manufacturing method for the axial motor.The axial motor is a three-phase permanent-magnet...
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JP3676242B2 |
To provide a synchronous induction motor of high efficiency by centralizing the generating magnetomotive force of a rotator provided with a permanent magnet of two-pole constitution and realizing large reluctance torque. The synchronous ...
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JP2005192396A |
To provide an induction synchronous motor capable of inserting each permanent magnet into a rotor without being attracted while enhancing the assembling workability sharply, and to provide its manufacturing process.The induction synchron...
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JP2005192397A |
To provide an induction synchronous motor in which the assembling workability of a rotor is improved while reducing production costs, and operational performance of the motor is enhanced.A plurality of diecast secondary conductors 5B are...
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JP2005176463A |
To provide a motor wherein a winding structure can be easily formed on a core, using conductive plates.The motor comprises a stator and a rotor, disposed substantially concentrically with the stator and rotated. Either the rotor or the s...
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