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WO/2001/053640A1 |
An electro-mechanical actuator (1) including a plurality of motors (2, 3) for driving an output shaft (10). The actuator may be incorporated into a window lift mechanism (30), such as a mechanism including a dual rack and pinion assembly...
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WO/2001/052388A1 |
A hybrid synchronous motor comprising a rotor and stators, wherein the stator has at least one assembly (7) having a structure in which ferromagnetic rings (2, 3) formed with teeth on the both inner peripheral edges and outer peripheral ...
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WO/2001/052386A2 |
An electric motor (10) comprising a shaft (24) to which a stator (20) is fixedly mounted and a rotor (22) is rotatably mounted. The shaft (24) defines a longitudinal axis having opposing ends that are adapted to be fixedly mounted to a s...
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WO/2001/050574A2 |
A stator assembly (10) for a linear motor includes a plurality of interleaved modular pieces (14b). Pre-wound coils (17) and spacer pieces (14b) are alternately provided along the length of the stator (10). The spacer pieces (14b) have a...
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WO/2001/048890A1 |
A stator or a rotor for an electrical machine comprises a plurality of circumferentially separated, radially extending teeth, wherein each tooth having a single winding and is provided with an axially and radially extending reluctance ba...
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WO/2001/047089A2 |
An electronically commutated electrical machine having a rotor (3) interacting with a stator (2) in the form of an armature or armature comprising insulated conductors (11) interleaved with cores of ferromagnetic material (7) passing bet...
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WO/2001/045237A1 |
A direct current electric motor (20) has the following features: a housing (22), a stator (34) being affixed to the housing (22); a reduced inertia rotor (36) being located in a central cavity of the stator (34). The rotor (36) includes ...
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WO/2001/044046A1 |
The aim of the invention is to optimize the energy balance of a driving device for a marine vessel with two very different working ranges for the propeller. To this end, two driving motors (10, 20) which are configured in the form of mul...
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WO/2001/038124A1 |
A module for a linear motor propulsion guideway, as shown in the Figure 1, contains a combination of linear motor propulsion, vehicle guidance, position sensing, communication, and vehicle or pallet running surface components (B). These ...
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WO/2001/029956A1 |
A low inductance electrical alternator or motor (1) with low armature inductance is disclosed. Arrangements of complementary armature windings (40) are presented in which the fluxes induced by currents in the armature windings (40) effec...
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WO/2001/029955A1 |
A low inductance electrical machine (1) that may be used as an alternator or motor with low armature inductance is disclosed. Arrangements of complementary armature windings (40A, 42A) are presented in which the fluxes induced by current...
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WO/2001/028069A2 |
An axial gap motor-generator (100) comprising a stator with windings, a rotor (160) having a rotor body (168) rotatably disposed about a shaft (140) and having an outer region, the rotor (160) including a plurality of openings (200) disp...
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WO/2001/026202A1 |
A multiple impeller flow inducing device in which driver coils are intermittently energized in timed relation to rotation of the impellers (20A, 20B) to interact with permanently magnetized portions of the impeller to rotate the same. Th...
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WO/2001/016508A1 |
The invention relates to an electromotor drive, especially for automatic transmissions in commercial vehicles. Said drive comprises a drive unit (10) and a transfer transmission unit (12) linked therewith. According to the invention, the...
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WO/2001/013497A1 |
An assembly (10) includes first and second rotatable members (12,32) which rotate about a common axis (A) of rotation, the first member (12) being connected to a first rotor (16) and the second member (32) being connected to a second rot...
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WO/2001/013500A1 |
A continuously variable electromagnetic transmission comprising a collector-less, axial-flow dynamo electric machine (3) provided with an input shaft (2) and an output shaft (4), and means (20) for controlling and supplying electricity a...
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WO/2001/003270A1 |
Modular reluctance reversible electric machine, may work as a motor (M) or generator (G). It has several stator multi-phase modules (adj) arranged throughout the machine's volume and each comprising an excitation and armature windings an...
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WO/2001/000995A1 |
The invention concerns an electric fan (1) comprising a mobile part rotating about an axis (3) of the electric fan including a rotor (7) of a powering electric motor and fan blades (4) integral with the rotor (7). Part at least of the el...
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WO/2001/001550A1 |
The invention relates to an electric motor, preferably of the three-phase current design. According to the invention, a first electric motor (10) is provided which is mechanically connected via the rotor (5) thereof to a rotating shaft o...
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WO/2000/074206A2 |
The invention relates to the construction and a mode of operation of statorless electronically switched DC motors that have two freely turning rotors. The invention also relates to embodiments of the invention regarding the bearings, the...
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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...
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WO/2000/071888A2 |
The present invention provides improved alternators for use alone or in combination with, for example, rotary internal combustion engines wherein the alternators are characterised by absence of moveable bearings or mountability to existi...
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WO/2000/072429A1 |
The invention concerns a step motor with two magnetic induction coils (9, 10) and a rotor (1) consisting of a permanent magnet with n poles, the magnetic yoke consisting of two parallel planar plates (2, 3) linked by two spacers (7, 8) a...
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WO/2000/067984A1 |
The invention relates to an injection molding machine in which the injection molding unit (S) and the mold-closing unit are at least partially operated by electrical drive units in the form of a linear motor. The rotor and the stator of ...
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WO/2000/060719A1 |
The invention concerns a generator for a windmill. The generator is of the kind being directly coupled to the main shaft of the wind rotor of the windmill. The generator is a stator consisting of a number of stator modules that are indiv...
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WO/2000/060723A1 |
A motor for a power tool adapted to be powered by either an AC power source or a DC power source. The motor (12) includes a permanent magnet field (30) having an armature (34) disposed within the field (30). The armature (34) includes a ...
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WO/2000/048294A1 |
The invention relates to an electric machine (10) which can be operated as a motor or a generator. Said machine comprises a rotor (26a, 26b) rotatably mounted in a housing (12), a rotor shaft (24) which extends beyond the housing (12) an...
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WO/2000/048295A1 |
A brushless doubly-fed induction machine comprising dual cage rotors (201, 202), suitable for use in generator applications requiring a fixed-frequency electrical output that is independent of a rotational speed at which the machine is d...
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WO/2000/037350A1 |
An elevator drive machine having two counter-rotating rotors provides a lightweight, efficient machine that eliminates reaction torque on surrounding structures by directing reaction forces and driving forces to the elevator car being li...
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WO/2000/036419A1 |
The present invention provides a method for immobilising a polysaccharide (PS) to a solid surface, said polysaccharide having a keto-carboxy group (-C(=O)-COOH) or a ketal or hemiketal group corresponding thereto, e.g. derived from KDO (...
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WO/2000/031857A1 |
A wound-rotor induction motor comprises a wound stator, a wound rotor secured to the rotary shaft on the rotational center side of the wound stator, and a squirrel cage rotor provided on the rotational center side of the wound rotor. An ...
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WO/2000/024113A2 |
The invention relates to an electric machine, comprising a rotor (3, 53) and a stator (7, 57) wherein electrical coils (6, 56) or permanent magnets (5) are arranged, said electrical coils or permanent magnets exerting a mutual influence ...
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WO/2000/012107A1 |
The present invention relates to a pharmaceutical composition based on a petasites extract without a hepatoxic, carcinogenic, cytostatic and/or mutagenic effect, the use thereof and a method for the production thereof.
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WO/2000/011777A1 |
The invention relates to an electrical machine which is characterised by the following: (a) a first, outer stator part and a second, inner stator part, the two stator parts being coaxial and being radially set apart from each other by an...
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WO/2000/007284A1 |
A generator, comprising annular permanent magnet rows (2, 2') attached and fixed on two tracks (1, 1') rotating around a rotation shaft (3), primary magnetic induction cores (4, 4') attached and fixed at the outer peripheral surfaces of ...
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WO/2000/005803A1 |
In a stepping motor combination to be disposed on a mounting part each stepping motor is provided with a number of electrically controlled coils, cooperating with one or more core parts, and a magnetic body rotatable with respect thereto...
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WO/1999/065133A1 |
An axial field electric machine (10) having an improved efficiency comprising a number of magnetic elements, e.g., rotor (14) as annular disks magnetized to provide multiple sector-shaped poles (58). The poles (58) of each disk (14) are ...
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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...
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WO1999054988B1 |
Actuators (96) for power driven accessories for moving objects, such as vehicle power windows, windshield wipers, vehicle power antennas, power side view mirrors (86), catheter drivers, curtain moving machines, bi-directional rotary moto...
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WO/1999/060692A2 |
An energy conversion magnetic circuit is constituted with magnet pole pieces of magnets or armatures which are in parallel with respect to the shaft to obtain a dynamic force or an electromotive force. The magnetic circuit for a generato...
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WO/1999/057795A1 |
First and second stator circuitry for respective use with first and second stators in a multi-stator motor are configured so that the first stator circuitry is substantially unaffected by a failure of the second stator circuitry to energ...
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WO1999040668A9 |
Flywheel battery systems having improved energy density are provided. Such systems preferably have an inner rotor (118) mounted coaxially and substantially cylindrically within an outer containment (120) so as to manage the net gyroscopi...
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WO/1999/052196A1 |
An electric machine, such as a motor or a generator, comprises a stator having a plurality of stator poles defining a plurality of slots, a rotor positioned within the stator, and at least two sets of stator windings wound on the stator ...
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WO/1999/049563A1 |
An induction machine (20) adapted for variable speed operation, including low and zero speed, comprising: a polyphase stator having two separate stator windings (abc, xyz) with separate input terminals for each winding by which drive pow...
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WO/1999/048187A1 |
A device such as an electric motor, an electric generator, or a regenerative electric motor inlcudes a rotor arrangement and a stator arrangement. The stator arrangement has a dielectric electromagnet housing and at least one energizable...
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WO/1999/044274A1 |
In a preferred embodiment, a linear/rotary motor (10), including: first and second stator structures (14, 16), having magnetically coupled thereto, respectively, first and second rotors; a first, externally threaded shaft fixedly attache...
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WO/1999/044272A1 |
Lack of axial compactness in a dynamoelectric machine is avoided in an axial gap dynamoelectric machine including a disc (62, 66) rotatable about an axis (56) and adapted to be coupled to a shaft (54). At least two equally angularly spac...
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WO/1999/039426A1 |
The invention relates to an electric drive system with a double rotor machine, wherein a stator (1) exchanges electromagnetic energy with at least two rotors (4, 5). To this end, the stators (1) can be fitted with one or several windings...
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WO/1999/037017A1 |
The present invention is directed to a downhole apparatus for quickly generating and regulating variable output electric power by varying the alignment of a pair of axially adjacent permanent magnets (84, 82) rotating within an armature ...
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WO/1999/036286A1 |
The invention relates to an electric drive mechanism for a vehicle, more particularly a multilane electromobile. A housing (1), which is stationary in relation to the vehicle body or the frame of the vehicle, is provided. A motor housing...
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