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Patent Searching and Data


Matches 651 - 700 out of 5,017

Document Document Title
WO/2001/011759A1
A cage (10) carrying two axially adjustable conductors (28, 29) is mounted on one shaft (16) and a rotor (12) is mounted on a second coaxial shaft (17) to occupy a position between the conductors. Permanent magnets (42) on the rotor (12)...  
WO/2001/001547A1
A motor produces a rotary motion by synchronizing the attractive and repulsive magnetic interactions of magnetic fields, transferring magnetic force into mechancial force. A stator (320) magnetically interacts with a rotor (310a and 310b...  
WO/2000/078569A2
A heat generator for reducing emissions from motor vehicles comprises a permanently magnetised, disc-shaped rotor (9, 12, 13); a stator (20, 22, 23), which is axially separated from the rotor and in which the rotor induces electric curre...  
WO/2000/076055A1
The invention concerns a method for operating a windmill with variable rpm and a directly network connected primary generator. By this method there disposed a regenerative slip generator (5) between the gear (1) of the windmill and the p...  
WO2000038294A3
An electric charging system includes an electrical charger (24) that generates a magnetic force and a device with an electric current generator (40) that receives a portion of the magnetic force created by the rotation of the magnet (48)...  
WO/2000/060618A1
The present invention relates to magnet having inclined magnetic force lines and the power plant such as motor using it. The power plant according to the present invention has simultaneously magnetic force by repulsive power between the ...  
WO/2000/045055A1
The aim of the invention is to improve the cooling of a self-ventilated electric motor (1). To this end an electromagnetic speed limiting and governing device is provided for between the motor shaft (3) and fan wheel (2). The fan wheel, ...  
WO/2000/038294A2
An electric charging system includes an electrical charger (24) that generates a magnetic force and a device with an electric current generator (40) that receives a portion of the magnetic force created by the rotation of the magnet (48)...  
WO/2000/035067A1
The invention relates to an electromagnetic hysteresis unit (1, 23), comprising magnetic north poles (4) which are arranged so that they alternate with magnetic south poles (5) on a magnet body (2, 3), in a peripheral direction (15) abou...  
WO/2000/023292A1
A drive for the compressor (14) of a vehicle air conditioner having a magnetic clutch (20) for mechanically driving the compressor shaft (16) within a predetermined range of torque; a rotatable input element (22) on the magnetic clutch (...  
WO/2000/024112A1
An improved magnetic clutch (15) which is formed with a magnetic field coupling between a plastic driving/pulley element (16) and a plastic driven element/fan (18). The driving/pulley element having a honeycombed or ribbed construction (...  
WO/2000/021184A1
The invention concerns a device comprising a magnetic driving part (13) and a magnetic driven part (14). The driven part is designed to be set at the bottom of a container (5¿1?) containing the liquid to be stirred. The driving part (13...  
WO/2000/003472A1
A brake mechanism (10) includes an inner assembly (10) secured to a motor shaft (8) and an outer assembly (14) surrounding the inner assembly (12). The outer assembly (14) includes a permanent magnet (102) or an electromagnet (24) betwee...  
WO/1999/063648A1
A magnetic motion transmission device (10) which comprises a magnetic body (15) which has an outer cylindrical surface and radial end walls, is polarised axially of the cylindrical surface and, at the opposed radial ends of the cylindric...  
WO/1999/025579A1
The invention relates to a hybrid drive mechanism comprising an electric motor. A flywheel having a built-in controllable electromagnetic clutch with a pressed-in free-wheel is mounted on the electric motor drive shaft. Said free-wheel i...  
WO/1999/010972A1
A magnetic slip clutch (26, 415) is disclosed, which may be fully uncoupled, fully coupled, or coupled in a modulated manner for transmission of variable torque. One use of the clutch is to provide a variable speed drive of a fan (24, 42...  
WO/1999/010971A1
The heating device as suggested presents a housing (1) with an internal containment (31). It also presents two elements which rotates relative to each other around one axle, one of which is provided with permanent magnets (25), whereas t...  
WO/1998/047215A1
A magnet coupler (10) includes a first shaft (12) having a first axis (14). A second shaft (16) is separated from the first shaft, and the second shaft has a second axis (18) that is aligned with the first axis. A rotary magnet unit (20)...  
WO/1998/044619A1
According to the method, the components (24a, 24b) of a stator (24) are slid onto a mandrel (60), said mandrel being inserted into an injection mould (50). The motor housing is produced by injecting polymeric material (63), the stator co...  
WO/1998/043689A1
The invention relates to a pump device comprising a first pump (10a) and a second pump (10b). The suction end of the first pump (10a) can be introduced into the left ventricle (42) of the heart, whilst the delivery end is positioned in t...  
WO/1998/043688A1
The invention relates to a blood pump which has a drive part (11) and a pump part (12), said pump part being extended by means of a flexible hose (13). Pressure sensors (60, 61) detect the pressure difference between the inlet end and th...  
WO/1998/043000A1
A revolution assisting device for a rotating body comprises the rotating body provided on an outer peripheral surface thereof with permanent magnets, and a shaft connected to the rotating body by means of a crank mechanism and provided w...  
WO/1998/037617A1
An adjustable coupler has a group of magnet rotors with permanent magnets separated by air gaps from non-ferrous conductor elements presented by a group of conductor rotors. The air gaps are adjusted by axial movement of one of the group...  
WO/1998/036488A1
The invention relates to a hysteresis brake comprising a hysteresis ring (1) which is rotationally fixed to a roller (9), and a magnetic ring with magnetic poles. The magnetic ring (2) is made of permanent magnetic material and is mounte...  
WO/1998/035169A1
A fan clutch (A') includes an eddy current drive (224) having a first, magnetic field producing drive component rotatable with the output and a second, coupling drive component rotatable with the input in the form of a sheave (50'). The ...  
WO/1998/023025A1
A magnetic planetary gear has a driving shaft and a coaxial driven shaft linked each to at least one wheel. Each wheel is provided around its circumference with alternatively oriented magnets and torque is contactlessly transmitted from ...  
WO/1998/013678A1
The invention relates to an applicator for sensors to be used in medicine, which serves to screw in a sensor in the skin of a living organism, specially in a non-observable area, e. g. the head skin of a child in the womb. In this respec...  
WO/1998/007972A1
The invention concerns a piston engine, in particular a Stirling engine, with a leaktight pressurized crankcase. The piston engine is to be designed such that the transmission of force from the crankshaft outwards to the output shaft is ...  
WO/1997/041633A1
A rotary torque-to-axial force energy conversion apparatus employs a rotatable member (30), a translatable member (32), and a magnetic coupling therebetween. The magnetic coupling converts a rotary torque on the rotatable member (30) to ...  
WO/1997/035377A1
A conductor rotor (15) presents a pair of electroconductive rings (16, 17) spaced apart to receive magnet carrying shoes (40, 40') with permanent magnets (42) to induce eddy currents in the rings and thereby retard rotation of the conduc...  
WO/1997/034360A1
A magnetic coupling device has an electroconductive rotor (15) presenting a band (16, 17) of electroconductive material and has a magnet rotor (14) with permanent magnets (26) which are slide-mounted to move radially outward responsive t...  
WO/1997/034359A1
A power transfer assembly has a magnet rotor with permanent magnets (26) co-acting with a pair of electroconductive rings (18, 19) on a conductor rotor. The rotary axes of the two rotors are in laterally spaced parallel relation with one...  
WO/1997/034357A1
An oscillatory drive (10) incorporating the invention includes a driven rotor (16) that is mounted on a shaft (20) and includes plural driven permanent magnets disposed thereon. A spring arrangement (26) is coupled to the driven rotor (1...  
WO/1997/015109A1
An adjustable coupler has a rotary magnet rotor with magnet modules spaced by gaps from electroconductive elements on an electroconductive rotor. The magnet modules each have two side-by-side permanent magnets with their respective poles...  
WO/1997/015110A1
A magnetic transmission coupling comprises an inner torque tube (62) carrying one or more stacks of annularly disposed spaced magnets (70), located within a sealing membrane element (38), and an outer, eccentric drive rotor (74) with a m...  
WO/1997/009191A1
Hybrid drive system comprising an internal combustion engine (21) with an output shaft (26), to which shaft (26) an energy converter (23) is coupled via a clutch (27), said energy converter (23) having first and second rotors (24, 25). T...  
WO/1997/008438A1
The invention concerns a system for actively reducing rotational non-uniformity of a shaft (10), in particular the drive shaft of an internal-combustion engine or a shaft which is coupled, or can be coupled, to the drive shaft. The syste...  
WO/1997/002642A1
An eddy current drive (711) has an electromagnet (15, 17) and an armature (19). Either one of the electromagnet or the armature is coupled to a motor shaft (31) so as to rotate therewith, while the other is coupled to a load portion (21)...  
WO/1996/039957A1
Rotary oscillatory coupling (10) includes a pair of opposed hubs (12, 14) which are independently rotatable about a common axis. Pairs of permanent magnets (20a, 20b) are provided in the opposed faces of the hubs (12, 14). The proximal h...  
WO/1996/037033A1
The cooling of the drive motor (1) is to be improved in such a drive system. To this end, there is a slipping clutch (4-12) dependent upon the revolution speed of the motor and centrifugal force between the motor shaft (2) and the fan wh...  
WO/1996/032172A1
The invention concerns an amusement device (1) having one or a plurality of passenger carriers (2) and a frame (3). The device preferably takes the form of a dropping framework. An eddy current brake (4) is provided for braking the movab...  
WO/1996/032592A1
A magnetic drive centrifugal pump with a pump chamber (7) containing a turbine (63) rotated by means of a magnetic coupling with a drive shaft (39) located outside the chamber (7). A magnetic flux-permeable confinement casing (25) insert...  
WO/1996/027117A1
A distance sensor for detecting the adjustment travel of an actuator driven by a rotary driving element has a step-by-step mechanism (11) with a first stepping wheel (13), actuated by the driving element, with trip cams (19) and a second...  
WO/1996/022192A1
The invention concerns a pollutant-free combination drive unit which addresses the problem of using a combination of electrical motor (1), flywheel (2) and continuously variable electromagnetic clutch (3) to create a drive unit which ope...  
WO/1996/022630A1
The invention relates to a magnetic coupling system comprising three components wherein at least two of said components are adapted for relative movement and at least one of said components is provided, at least partially, with electrica...  
WO/1996/019034A1
A driven rotor (300), connected to the prime mover shaft (202), with mounted horizontal stop rings (324), vertical stop rings (322), permanent magnet for floating rotor position (354, 358), and permanent rotor drive magnet is driven by a...  
WO/1996/019035A1
A drive transmission system (10) including a driving body (11) of cylindrical form and a driven body (12) of cylindrical form. Each body (11, 12) is provided with a series of magnets (15, 20) about its periphery arranged in a spiral conf...  
WO/1996/007611A1
A torque-limiting transmission device (17) comprises a first annular assembly (37) of magnetic elements (45) connected to a driving rotating member (29), and a second annular assembly (47) of magnetic elements (55) connected to a driven ...  
WO/1996/006480A1
Device affording protection (70) from an outer magnetic field in a magnetic coupling driving system (60) rotating about the axis of two mechanical members (28, 44). The driving system comprises at least two axially magnetized elements (6...  
WO/1996/001779A1
The invention concerns an electromagnetic hysteresis brake which is provided with a stationary brake magnet (4) comprising a field coil (10) and a two-part pole ring with an inner and an outer pole ring part (5, 6). The electromagnetic h...  

Matches 651 - 700 out of 5,017