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Patent Searching and Data


Matches 801 - 850 out of 10,715

Document Document Title
WO/2000/074218A1
An electric motor having a pancake construction stator poles (44) and rotor poles (46) that are formed by photolithography. The stator (22) and rotor (20) can be formed from an amorphous material, thereby reducing grain boundaries and al...  
WO/2000/074205A2
The invention explains principles and circuits for the power control of two-phase SR-Machines featuring a direct recovery of the phase switch-off energy and a 180° phase angle at full load. The power control relies physically on a short...  
WO/2000/074204A2
The invention relates to the construction of the stator of electronically switched reluctance machines as the essential part of the entire construction with a plurality of U-shaped electromagnets. The stator consists of a frame (5) with ...  
WO/2000/074210A1
Synchronisation systems have existed in diverse forms for a long time. Synchronisation systems of this type generate very high short-circuit torque, both during generator operation and motor operation in the case of a short circuit, e.g....  
WO/2000/074214A1
The invention relates to cooling of high-voltage rotating electric machines, and involves direct contact cooling of the magnetic cores (1A, 2A) and of at least part of the solidly insulated windings (1B, 2B) by the same kinetic-energy ca...  
WO/2000/069046A1
A brushless synchronous electrical machine comprises a rotor (60) rotating about an axis, a stator (50) that includes at least one set of magnetically active stator cores (52a-52f) projecting radially outward from the axis, and also incl...  
WO/2000/067358A1
In the invention, electrical machines (2) with variable rotational speed are utilised as stabilisers in an electric power network. The motion of the rotor (10) corresponds to a certain kinetic energy, and this kinetic energy is used as e...  
WO/2000/067355A1
The invention relates to a power converter which comprises an electric machine (1, 2) with a digital processor (12), rotating with the shaft of the machine, which digital processor together with a stationary digital processor (13), via a...  
WO/2000/067362A1
The invention relates to a drive mechanism with brushless electric motor, notably for tools, which presents marked teeth (1 - 3', 22) in the stator (10) and rotor (20). Armature windings (11, 12, 13) are provided for in grooves in the st...  
WO/2000/067363A1
A constant-frequency machine with a varying/variable speed which comprises a main machine (1) and a regulating machine with a com on shaft (2) and a converter (28, 51) which rotates with the shaft and is connected between the rotor windi...  
WO/2000/064028A1
The magnetic members of the motor and/or a related magnetic bearing has poles (52) formed by laminations of a magnetic sheet material and slots (60) are formed between poles and are filled with material such as epoxy (65) to form a smoot...  
WO2000022715A9
A two-phase switched reluctance motor comprising a stator (10) having an even number of evenly-spaced, like stator poles (24a-24l) defining a gap (28) between each stator pole, windings (32) for each of the two phases wound around the st...  
WO/2000/059099A1
An electric rotating machine comprising a stator (100) which is provided with at least one inductance coil (140) that is accommodated in grooves forming stator poles, in addition to a rotor (200) which is rotationally mounted inside the ...  
WO/2000/055961A1
A reluctance motor capable of sufficiently increasing a torque and output, wherein platy permanent magnets (24) are disposed at oppposite edges (S2) of salient poles (22) projecting from a rotor yoke (21), with one edge of each permanent...  
WO/2000/054391A1
The invention relates to an improved structure of medium frequency and low speed electrical machine, in particular suitable for machine with large number of poles. Rotor is of permanent magnetic or electrically excited or induced, and nu...  
WO2000038302A3
The present invention relates to an electrical machine comprising one ore several stators (20) edified by one or several statorpackages (21) that consists of one or several statorsections (22). The core (23) of the statorpackage is arran...  
WO/2000/040446A1
The invention concerns a vehicle comprising a structure (12) mounted on at least one axle (13) provided with wheels (11). Said driving device (10) comprises an electric motor (17, 33, 45) borne by the vehicle structure (12) having a stat...  
WO/2000/038302A2
The present invention relates to an electrical machine comprising one ore several stators (20) edified by one or several statorpackages (21) that consists of one or several statorsections (22). The core (23) of the statorpackage is arran...  
WO/2000/038301A1
The invention concerns a rotating electric machine comprising a stator (10) equipped with armature coils (18) and a rotor (20) mounted rotating inside the stator, the rotor having a rotor part (210) with permanent magnet(s) and a rotor p...  
WO/2000/033439A1
The invention concerns a vehicle alternator comprising a rotor (2) including a shaft (4), two plates (8) comprising nested pole horns (12), magnets (14) extending between the pole horns, and members (16) for maintaining the magnets. The ...  
WO2000013292A3
A rotating elelctric machine comprising a stator (2) and a rotor (1). The stator includes a core of a magnetizable material and a winding (8). The rotor rotates in relation to the stator with one degree of freedom. The stator comprises a...  
WO/2000/033440A1
The invention concerns a motor vehicle alternator comprising a rotor (2) including nested pole horns (12), magnets (28) arranged between the pole horns, and at least a band (26) maintaining the magnets. The band(s) (26) extends over a ci...  
WO/2000/031858A1
The invention relates to an electromagnetic axial machine. Said machine is provided with a rotating shaft (2; 102), an induction element (4; 104) with at least two parallel windings (5, 7; 105, 107) and an exciter element (9; 109) which ...  
WO/2000/025409A1
A three phase switched reluctance machine (10) including a rotor (40) having both wide poles (54) and narrow poles (44), with a narrow pole (44) on each side of a wide rotor pole (54). The rotor poles being dimensioned such that the narr...  
WO/2000/022715A1
A two-phase switched reluctance motor comprising a stator (10) having an even number of evenly-spaced, like stator poles (24a-24l) defining a gap (28) between each stator pole, windings (32) for each of the two phases wound around the st...  
WO/2000/022719A1
An electric machine, especially a three-phase generator, with an exciter (26) in the form of a claw-pole machine that delivers a required exciting current for a generator. The exciter is arranged to the side of the generator and its dime...  
WO/2000/017989A1
A rotating field, synchronized electric generator or motor in which the magnetic field (20) that the armature (30) produces can rotate relative to the stator (21) at a speed significantly different from that of the armature (30), under e...  
WO/2000/014851A1
A synchronous multiphase rotary electrical machine (30) comprising in one preferred embodiment, a stator teeth (34) grouped into two or more sets. Each set (34) is associated with an armature winding (36) wound in a plane perpendicular t...  
WO/2000/014860A1
The present invention pertains to the construction of alternative-current electric machines that include separate magnetic conductors. The purpose of this invention is to eliminate the zero-induction areas on the outer surface of the pla...  
WO/2000/013292A2
A rotating elelctric machine comprising a stator (2) and a rotor (1). The stator includes a core of a magnetizable material and a winding (8). The rotor rotates in relation to the stator with one degree of freedom. The stator comprises a...  
WO/2000/009886A2
A fluid pump (110) includes a housing (112) having a passage therethrough with an inlet (116) and an outlet (120). An impeller (124) is positioned within the housing (112) and includes an impeller axis (126), an inlet side (128) and an o...  
WO/2000/008737A1
The present invention can be used in power producing and controlling systems, and essentially relates to a power generating apparatus which comprises a generator coupled to a primary motor (1) as well as an automatic control system. The ...  
WO/2000/007283A1
The electrical motor, especially a three-phase alternator, has a stator (21) fixed in a housing (10) and a claw-pole rotor (23) having an exciting winding (28) and fixed on a shaft (13). An electric transformer (29) for exciting the exci...  
WO/2000/003469A2
According to the invention, the number of stator pole teeth (201, 202) and rotor pole teeth (301) of an electrical machine driven as a reluctance motor can be selected in such a way that three magnetized air gaps are formed with minimum ...  
WO/2000/001058A1
Divided magnet rotors R having a stepped skew rather than a helical skew are described. The stepped skew enables the use of straight magnet sections (44) that can be inserted into the rotor core notches (38) thereby eliminating the need ...  
WO/1999/067871A1
The invention concerns an electric machine comprising a stator (1) and a rotor (2), the stator including at least a stator coil (14) housed in at least a couple of slots (13), the rotor including at least two successive excitation magnet...  
WO/1999/066627A1
The present invention relates to a universal electric motor with variable air gap. It has a rotor (1) with one or more attraction steps and a stator (2) provided with an excitation system. The excitation system comprises, mounted consecu...  
WO/1999/061193A1
Electric power generation apparatus, for use in conjunction with a source of rotary power (21) having a battery (32) associated therewith, comprising: one or more rotors (50), which are driven to rotate by the source of rotary power; one...  
WO/1999/059236A1
An inductor-alternator provides highly efficient conversion between mechanical and electrical energy. The inductor-alternator produces increased output by providing armature coils in a single airgap formed between two halves of a toothed...  
WO/1999/050951A1
The invention relates to a synchronous-machine rotor, primarily for brushless self-excited synchronous generators, which is designed as a laminated cylindrical synchronous-machine rotor without squirrel-cage. The essence of the invention...  
WO1999029015A3
A rotating electric machine for direct connection to high-voltage networks, in which the magnetic circuit adapted for high voltage comprises a rotor, stator and main and auxiliary windings in operative relation. At least one of the windi...  
WO1999017426A3
An electric power plant comprises at least one electric machine (2, 4, 6, 8) of alternating current type designed to be connected directly to a distribution or transmission network and comprising at least one electric winding. The windin...  
WO1999026332A8
A high performance alternator using duplex mode generation wherein the alternator (10) is designed using two windings (12, 20) instead of one. The first winding (12) is wound with the proper number of turns and wire size to provide optim...  
WO/1999/035731A1
A static or dynamic exciter slotless synchronous generator characterized in that a stator comprises a hollow cylinder and two discs connecting with the two ends of the hollow cylinder, a stator support is made of non-magnetic material, e...  
WO/1999/034497A1
A low-loss magnetic core of the claw-pole type for use in generating electrical power with a high frequency alternator is disclosed. A rotor (30), driven by a shaft (36), is made of pairs of individual poles (32) of alternating polarity ...  
WO/1999/031788A1
An auxiliary power source comprising a generator driven by an electric motor or other drive means, the rotor (10) of the generator has multiple core elements (11A-11D) mounted side-by-side relatively to provide a large number of poles (1...  
WO/1999/029017A1
The invention relates to a method for manufacturing a winding of a stator for a rotating electric machine for high voltage, the stator comprising a core (2) provided with slots for receiving the winding in radial layers at different radi...  
WO/1999/029011A1
The invention relates to a rotating electric machine with a magnetic core (1). The core (1) is provided with slots (2) for a winding. According to the invention, the winding comprises an electric conductor for high voltage. During at lea...  
WO/1999/029015A2
A rotating electric machine for direct connection to high-voltage networks, in which the magnetic circuit adapted for high voltage comprises a rotor, stator and main and auxiliary windings in operative relation. At least one of the windi...  
WO/1999/029022A1
An insulated conductor (10) for high-voltage windings in electric machines comprises a number of strands (12), a first semi-conductive layer (14) surrounding the strands (12), a first insulating layer (16) surrounding the first semi-cond...  

Matches 801 - 850 out of 10,715