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Patent Searching and Data


Matches 401 - 450 out of 1,244

Document Document Title
WO/1999/056382A1
Generators for generating transient impulses of electrical energy, so-called impulse generators, are used for example for igniting a gas in gas burners or as percussion fuses for projectiles. The high speed required for changing the magn...  
WO/1999/049556A1
The invention concerns a converter of mechanical energy into electric energy comprising a fixed magnetic circuit (2) and a mobile magnetic circuit (3) mounted on spring means (40). When the mobile magnetic circuit (3) is made to oscillat...  
WO/1999/023744A1
The electromechanical transducer consists of a stator (1) having a plurality of inner pole pieces (2) that describe a helix and a rotor having magnetic poles that similarly describe a helix. The rotor is constrained, for example by means...  
WO/1998/033263A1
A stator (1) which faces the outer surface of a rotor (6) through a gap is made of die-casting aluminum and is provided, in its circular inner face, with a plurality of slots (3) to install windings for leading out the generated output w...  
WO/1998/032216A1
An energy conversion device comprises an acoustic resonator (2), a pulse combustion device for creating a standing wave within said resonator, and an electric (16) alternator. The alternator (16) is coupled to the resonator (2) to conver...  
WO/1998/031090A1
A linear motion electric power generator for generating electric current from work done by an intermittent force. A moving magnet (2) is confined so that it can move with bi-directional linear, or approximately linear, motion through eac...  
WO/1998/027473A1
A mechanical-electric energy converter comprising a wheel for transmitting energy which rotates at a low speed. The teeth of the driving wheel shift the rotor of the generator from its position of equilibrium, causing it to oscillate aro...  
WO/1998/026493A1
An electrical generator (2) has at least one rotating ring (20, 22) of field magnets (24, 26) which produce a circular array of magnetic fields, and a ring (36) of generator output coils (38) which are in the magnetic fields. The field m...  
WO/1998/008293A1
This invention has the function to generate, produce and convert, various sources of energy imposed, held and stored in it. This invention then distributes the converted electric energy in clean, efficient, rational, individualized elect...  
WO/1998/004819A1
A method of controlling the movement of a linear electric generator (10) moved by a pair of internal combustion pistons (11, 12) disposed in alignment and in opposition, in which current absorption is controlled in order that, during a r...  
WO/1997/044883A1
The invention concerns a method and device for generating electrical energy for operating small electrical appliances, such as remote-controls, pocket calculators, electric strikes, etc. According to the invention, at least some of the e...  
WO1997030308A3  
WO/1997/039516A1
The generator has a rotor driven by a flywheel mass with an annular permanent magnet arrangement concentrically surrounding the stator with its coil and stator laminations with stator poles while forming an annular air gap. The magnetic ...  
WO/1997/030308A2
The invention relates to a safety device housed in a casing and having an electrical energy source and at least one radiation emitter (24, 25) supplied by the energy source. Said safety device is arranged in such a manner that the energy...  
WO/1997/014209A1
An electrical machine such as a generator or motor includes a rotor portion (47, 49), a stator portion (44, 51) and a field circuit (42, 50) for generating a magnetic flux associated with one of the rotor portion and the stator portion. ...  
WO/1997/013261A1
A reciprocating magnetic body (20) support structure (42) for a linear motor or a linear alternator. The body (20) comprises a cylindrical, metallic support sleeve (22) having a plurality of longitudinal slots (26) evenly spaced around t...  
WO/1996/028873A1
There is disclosed a remote control electric switch arrangement, comprising a transmitter and a receiver, in which the transmitter comprises power means for producing or converting power for transmission from an external energy source.  
WO/1995/033921A1
In an autogenous generator (1) in which electrical energy is generated by a linkage between fixed windings (2) and permanent magnets which move integrally on the alternating motion of one or more pistons of a two-stroke internal combusti...  
WO/1995/026070A1
An improved mechanical transducer of the type having a body (14) reciprocating in a chamber (3), the body being linked to a housing by a linkage (15) including an axially compliant spring. An anti-friction fluid bearing applies a lateral...  
WO/1994/015392A1
A linear electrodynamic machine (10) includes mover (12) and stator assemblies (14). The stator assembly (14) includes an inner stator having laminations (30-45) and an outer stator having laminations (60-75) for defining a closed loop m...  
WO/1992/018346A1
A hybrid electric vehicle propulsion system having an external combustion free-piston engine is provided with an integral linear electric current generator (154) and a pulse frequency controller. The system includes a power integration p...  
WO/1992/013383A1
This is a method of increasing the efficiency of an electrical generator (10) of the type that generates real output power by a change of the reluctance of the magnetic flux path. The efficiency is improved by providing specific componen...  
WO/1991/005948A1
A machine which combines an Alpha-type Stirling cycle thermal machine and a magnetoelectric resonance mechanism adaptable to be useful both as an electric generator and an electric heat pump (Fig. 2). Such a Stirling cycle resonance mach...  
WO/1990/008420A1
A linear reciprocating electromagnetic machine (10) has an outer stator member (12) having axially spaced apart pole pieces (22') and (24'), an open-slot coil cavity (18) housing a coil, and an inner stator member (14) spaced from the ou...  
WO/1988/005223A1
An electrical generator comprising two pairs of primary chambers, being a pair of hot chambers (11, 12) and a pair of cool chambers (15, 16) each containing a quantity of conducting liquid. A heat source (not shown) is provided for heati...  
WO/1986/005927A1
An electromechanical transducer particularly useful as a linear alternator driven by a free-piston Stirling engine. A relatively high permeability material (20, 22) is formed into a flux loop having at least a pair of spaced gaps (24, 26...  
WO/1986/005928A1
An electromechanical transducer particularly useful as a linear alternator driven by a free-piston Stirling engine. A relatively high permeability material is formed into a flux loop (80, 82, 84, 86) having at least two pairs of spaced g...  
WO/1986/004747A1
An electric starter motor and generator is integrated into the structure of an internal combustion engine by making the ferromagnetic pistons of the engine the relatively moving elements in the starter and generator. A coil (16) is solen...  
WO/1986/000182A1
A linear electromagnetic machine (5) has a stator (40) with a coil (12a, 12b) mounted thereon. A reciprocating element (10) has permanent magnet segments (70a-e) of alternating polarity so that reciprocation of said element (10) relative...  
WO/1984/001041A1
A portable mini AC generator/DC accumulator for mini power capacity such as e.g. in use for a wrist, pocket or necklace watch, a pacemaker or a battery powered hearing-aid, in which, under the influence of the individual movement of its ...  
WO/1980/001744A1
A linear alternating-current generator comprises a fixed magnet system (2). Channels (6) filled with a molten metal and interconnected hydraulically are provided in the gaps of the magnet system (2). The hydraulic interconnection of the ...  
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Matches 401 - 450 out of 1,244