The archive
Everything the archive has gained lately, newest first. Also as a feed for whatever you read feeds with.
patent · · added 2 months ago
A rotary electric machine including a flux-concentrating rotor with permanent magnets disposed between pole pieces, and a stator with teeth having a free end deprived of pole swell...
patent · · added 2 months ago
The invention concerns a wind power installation comprising a rotor which is coupled to a generator within a machine housing. Such wind power installations have already long been k...
patent · · added 2 months ago
Wind turbine apparatus includes an upright mast with support bearings underlying and rotatably supporting a hub assembly having inner and outer coaxial shafts telescopically relate...
patent · · added 2 months ago
A rotary electric machine for a hybrid vehicle includes a rotor connected between a vehicle engine and a torque transmission mechanism at the back of the vehicle engine and a stato...
patent · · added 2 months ago
A wind-driven electrical energy generating device includes a tower ( 1 ) with the double, concentrically arranged walls, installed on a rigid turntable ( 14 ) with means for provid...
patent · · added 2 months ago
A low inductance electrical machine that may be used as an alternator or motor with low armature inductance is disclosed. Arrangements of complementary armature windings are presen...
patent · · added 2 months ago
A motor/generator is provided with a stator ( 14 ) and rotors ( 2, 3 ). The stator ( 14 ) comprises a plurality of cores ( 11, 12 ) arranged on a circle. Each core ( 11, 12 ) has a...
patent · · added 2 months ago
A dc brushless vibrator motor has a base member, a shaft connected to the base member, a stator having magnetically conductive cores and respective armature coils angularly uniform...
patent · · added 2 months ago
The pod of wind-powered generator is constituted by a rigid fairing in which at least one electricity generator for coupling to at least one wind-driven propeller is disposed. The...
patent · · added 2 months ago
A shaftless rotor ( 12 ) for a dynamoelectric machine includes a stack ( 20 ) of ferrous laminations ( 22 ) provided with a central opening ( 110 ) extending through the stack ( 20...
patent · · added 2 months ago
The invention refers to magnetoelectric machines. It can be used when manufacturing different-purpose electric drives—for instance, in fans, compressors, electromobile's wheels, an...
patent · · added 2 months ago
A first capture unit includes a first turbine rotor having a first hub. A second capture unit includes a second turbine rotor having a second hub. The rotors counter-rotate indepen...
patent · · added 2 months ago
An improved windmill and a method for generating electricity, pumped air or rotational shaft energy are provided. A vertical mast rotatably mounts one end of a substantially horizo...
patent · · added 2 months ago
A slow moving electrical machine includes an annular set of windings on iron cores of laminated sheets or pressed iron powder, and a corresponding annular set of permanent magnets,...
patent · · added 2 months ago
A seal arrangement for a shaft having a broad rpm range, supported in a housing, in particular for axle drives. A radial shaft seal, arranged in the housing bore hole, seals the sh...
patent · · added 2 months ago
A wind-power plant with a rotor. The rotor's hub is accommodated in a roller bearing. The roller bearing is mounted on a support and connected to a planetary gear. The planetary ge...
patent · · added 2 months ago
A pole arrangement of a motor includes a plurality of permanent-magnet main poles disposed annularly at equal intervals on the inner periphery of a yoke, a plurality of auxiliary p...
patent · · added 2 months ago
A jet assisted counter rotating wind turbine comprising: a pair of counter rotating rotors to amplify the relative velocity of the magnetic flux in the air gap of an alternator, a...
patent · · added 2 months ago
Electric machine ( 10 ) which can be operated as a motor or generator, with a rotor ( 26 a , 26 b ) rotatably mounted in a housing ( 12 ), a rotor shaft ( 24 ) which extends beyond...
patent · · added 2 months ago
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 stato...
patent · · added 2 months ago
A mechanical shaft seal includes stationary and rotary assemblies providing mating seating faces 3, 11 such that first and second fluids are kept separate from each other. A barrie...
patent · · added 2 months ago
A rotor for an electric motor includes a frame made of a resin and having a cylindrical yoke mounting portion, a base covering one end side of the yoke mounting portion, and a shaf...
patent · · added 2 months ago
Electric rotary current machine that includes a casing and a stator fitted within the casing. The stator has at least one stator winding. At least two mechanically separate rotors...
patent · · added 2 months ago
A system for recovering energy from the natural and man made sources of wind, water and sunshine provides within a given local area wind, water and solar apparatuses for converting...
patent · · added 2 months ago
A synchronous machine, in particular a generator for a motor vehicle, has an excitation system with a plurality of electrically excited individual poles in a rotor, preferably in f...
patent · · added 2 months ago
The present invention concerns a method of operating a wind power installation comprising an electric generator drivable by a rotor for outputting electrical power to an electrical...
patent · · added 2 months ago
A method of increasing the power output of existing permanent magnet motors along with apparatus is disclosed. Increased power output is achieved by more completely utilizing the m...
patent · · added 2 months ago
A high power low RPM direct current electric motor is disclosed whereby the high power output is achieved in one of two ways or both. In the first case, the need for cooling is red...
patent · · added 2 months ago
A high power low RPM direct current electric motor is disclosed whereby the high power output is achieved in one of two ways or both. In the first case, the need for cooling is red...
patent · · added 2 months ago
An electric machine comprising a stator and a rotor ( 2 ) separated by an air gap ( 12 ), (a) the rotor ( 2 ) being composed with permanent magnets ( 8 ) magnetized substantially i...
