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13,573 items
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...
patent · · added 2 months ago
A rotor of an alternator having a plurality of claw poles, a plurality of auxiliary permanent magnets and a magnet holder for the permanent magnets. The magnet holder is composed o...
patent · · added 2 months ago
A permanent magnet motor rotor arrangement including a rotor core having radial and angular positioning surfaces provides for inexpensive and precise positional control of rotor co...
patent · · added 2 months ago
An electrical energy production system includes a wind turbine having blades mounted on a support and which rotationally drive an alternator. The alternator includes at least one m...
patent · · added 2 months ago
A device such as an electric motor, an electric generator, or a regenerative electric motor includes a rotor arrangement and a stator arrangement. The stator arrangement has a diel...
patent · · added 2 months ago
A device such as an electric motor, an electric generator, or a regenerative electric motor includes a rotor arrangement and a stator arrangement. The stator arrangement has a diel...
patent · · added 2 months ago
A rotor includes a shaft; a permanent magnet layer; and a retainer comprising a conductive, low magnetic permeability material bound to the rotor shaft. The permanent magnet layer...
patent · · added 2 months ago
A system and method (several variations) for interconverting moving fluid power and electrical power, involving, in one embodiment, an aerodynamic rotor integrated with an electric...
patent · · added 2 months ago
Wind engine device consisting of a wind power engine ( 2 ) and means ( 3 ) to increase the wind velocity in the direction of the wind power engine ( 2 ) when the wind velocities ar...
patent · · added 2 months ago
A permanent magnet rotor for an electric generator or motor has a core lamination hub formed of a stack of generally round plates with peripheral slots for holding the first end of...
patent · · added 2 months ago
A wind energy conversion device includes a support frame that pivots on a vertical yaw axis, and a rotor/bushing assembly coupled to the support frame through a governing coupling...
patent · · added 2 months ago
Disclosed is a motor-operated flow control valve for internal combustion engines which has a longer useful life and does not cause a drop of torque generated by a motor at the star...
patent · · added 2 months ago
Disclosed is a motor-operated flow control valve for internal combustion engines which has a longer useful life and does not cause a drop of torque generated by a motor at the star...
patent · · added 2 months ago
Disclosed is a motor-operated flow control valve for internal combustion engines which has a longer useful life and does not cause a drop of torque generated by a motor at the star...
patent · · added 2 months ago
Disclosed is a motor-operated flow control valve for internal combustion engines which has a longer useful life and does not cause a drop of torque generated by a motor at the star...
patent · · added 2 months ago
The method of manufacturing a sheet stack for electromagnetic assemblies, consisting of ferromagnetic material, includes forming the sheet stack from raw magnetic steel sheets in a...
patent · · added 2 months ago
A motor mounted in a vehicle having ferrite magnet section formed as a rotor core. The ferrite magnet section has a plurality of recesses, or through holes, circumferentially provi...
patent · · added 2 months ago
An apparatus for generating electrical energy includes at least one fixedly mounted stator having a generally cylindrical cross-section and further including an inner periphery and...
patent · · added 2 months ago
A blade de-icer for rotary wing aircraft comprises magnets placed around rotor mast and coils with laminated plates installed at the blade cuff of each rotor blade, in sufficient p...
patent · · added 2 months ago
A horizontal axis wind turbine comprises a rotor-supporting framework, a multi-vaned rotor, an electricity-generating stator, and a rotation track. The supporting framework is cons...
