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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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WO/1995/033297A1 |
A mechanism for transferring torque from a motor (12) to a gear train through a magnetic hysteresis slip clutch has a feature for disconnecting the motor (12) from the gear train. The cup element (43) of the clutch has a magnetic member ...
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WO/1995/023281A2 |
Rotational control apparatus in the preferred forms of fan clutches (A, A') are shown including an eddy current drive (224). Specifically, the eddy current drive (224) includes a plurality of permanent magnets (226) mounted circumferenti...
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WO/1995/015610A1 |
This micromotor is used as means for driving an extremely precise small machine. The motor comprises a rotor (1) made up of a permanent magnet, actuators (8 to 13) which are displaced by the energy applied, and stators (2 to 7) made of a...
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WO/1995/012913A1 |
A pulsed power linear actuator (10) provides increased stroke force by converting rotational kinetic energy into linear kinetic energy through the use of electrical energy. The kinetic energy may be established by placing a tube (16) hav...
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WO/1995/001521A1 |
Linking device between two structures (1, 7) which are subjected to relative displacements limited in translation along three axes which are orthogonal two by two (X, Y, Z), as well as relative rotation displacements about said axes. The...
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WO/1994/028614A1 |
A magnetic coupler has a magnetic disc (24') containing permanent magnets located between two electroconductive plates (10, 10') and separated therefrom by air gaps. The magnetic disc and electroconductive plates are mounted on coaxial o...
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WO/1994/017583A1 |
A magnetic force-transmitting device has at least two substantially roller-shaped bodies (12, 14) rotatively mounted next to each other. Magnetic spirals (18, 20) are arranged in the circumferential area of the rollers in such a way that...
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WO/1994/001592A1 |
The present invention relates to induced rotors such as those used in electromagnetic speed reducers for self-propelled vehicles, power test benches for internal combustion engines and other applications, which are made by using nodular ...
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WO/1993/024986A1 |
The coupler comprises two rotary elements (20, 21, 22 and 28), one of said elements (20, 21, 22) surrounding the other (28), an exciting coil (27) having a d.c. supply and surrounding the axis of rotation so that one of said elements (20...
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WO/1993/011372A1 |
Disclosed are devices for influencing and/or controlling relative motion between members, such as vibration damping or absorbing devices, clutches and brakes. The devices comprise a magnet (18) on one member (14) and a field cooled super...
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WO/1993/011381A1 |
A sealing arrangement is provided for preventing fluid leakage along the drive shaft (23) of a centrifugal pump (40) driven by an electric motor (21). The sealing arrangement is in the form of three separate sealing assemblies: a w-shape...
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WO/1993/009590A1 |
A guide cylinder (10) having a box-shaped section and made of a non-magnetic material is disposed inside a braking drum (7) coupled to a rotary shaft (1). A large number of ferromagnetic plates (15) are connected to an outer peripheral w...
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WO/1993/009589A1 |
A novel rotary apparatus wherein a composite rotor which comprising a plurality of ring-like rotors arranged concentrically is rotated at a high speed by utilizing magnetic forces. Around a center rotor, concentrically arranged are, away...
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WO/1993/007387A1 |
A device and method for efficiently rotating a rotating body in a layer structure consisting of a plurality of rotating plates arranged in layers and intends to provide a device for and method of rotation capable of efficiently convertin...
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WO/1993/001647A1 |
The method allows to move, for example with a rotative motion, a member or a group of members by moving another member or group of members with a reciprocating rectilineal motion by means of the interaction between magnets (1, 2) or grou...
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WO/1992/005402A1 |
An apparatus for measuring change of position of a rotor in a drive system comprising a drive rotor and a driven rotor generally concentrically mounted with respect to the drive rotor, the drive and driven rotors being magnetically coupl...
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WO/1992/005622A1 |
The proposal is for an angle sensor, preferably of the contactless type, especially for use in motor vehicles, with a part (10) carried by the arrangement to be monitored and a measuring device (12) to determine the rotation angle (13, $...
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WO/1991/013486A1 |
A resonably priced, 2 parallel pole synchronous motor, suitable for high temperatures, for use on a direct current network, has a mechanical commutation device. This device consists of a commutator (44) located coaxially to the rotor (11...
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WO/1991/009444A1 |
A method for magnetic conversion of movements of a controlling element consists in forming a magnetic circuit (1) with gaps (2, 3) in which are placed, respectively, a controlling element (10) and a controlled element (11). The gap (2) i...
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WO/1991/002399A1 |
An improved high speed reluctance type torque coupler (10) having adjustable maximum pullout torque characteristics includes a pair of rotors (12, 18) one (18) including a permanent magnet (22) and the other (12) including a pair of adju...
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WO/1990/003062A1 |
A torque coupling device (10) of the synchronous reluctance type having a magnetic flux generating device (22) and concentric rotors (16, 18), each rotor having a sleeve of diamagnetic material (42, 46) including a plurality of flux wind...
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WO/1989/005055A1 |
A brake in which a rotor composed of a ferromagnetic material and an electromagnet are so provided that the rotor intersects the magnetic flux to produce the braking power by the eddy current generated in the rotor. The rotor is provided...
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WO/1989/002668A1 |
In an electric machine, magnets are arranged in circle or in line, with their magnetization directions at an angle with respect to each other, in such a way that a polygonal field is created inside the magnet arrangement and stray fields...
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WO/1989/002184A1 |
In a contact-free linear drive, the stationary guiding part is designed as a profile part (2) of which the magnetic material in the region of the spirals (3, 4) approaches the latter (8, 11, 17) and forms a recoil to the next spiral at a...
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WO/1988/008635A1 |
A brake comprising an electromagnet and a rotor composed of a ferromagnetic material, wherein a brake force is generated by eddy currents created in the rotor when it intersects the magnetic fluxes. A thin metal layer (30) consisting of ...
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WO/1988/008636A1 |
The invention provides an electrical machine having a rotor (5) rotatable on a shaft (4) between two stators (21). The stator can be energized by A.C. passed through coils (24) so that the machine will act as a motor and by D.C. passed t...
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WO/1987/006779A1 |
A rotary electric machine in which heat is generated due to electrical eddy currents when mechanically driven. The machine includes a rotor (3) of which the magnetic reluctance and electrical resistance are low. It lies between two stato...
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WO/1987/004576A1 |
A magnetic rotary device comprises first and second rotors that are arranged in parallel close to each other, and that are rotatably supported. The first and second rotors are coupled to each other so as to turn in the opposite direction...
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WO/1987/001248A1 |
A magnetic clutch, in which a partition plate (5) is provided between a driven-side magnet (4) and a driving-side magnet (3) and bearing members (13, 14) are placed between the respective sides of the partition plate (5) and the driven-s...
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WO/1987/000988A1 |
In order to obtain a favourable relationship between current consumption, braking action and construction length, an eddy current brake for motor vehicles, built into the drive shaft, in particular a shaft with a universal joint, and car...
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WO/1987/000990A1 |
The housing hub (5) of an eddy current brake, designed for installation in the drive shaft of a motor vehicle, contains a brake shaft (9) on which is fixed a rotor (6) and which can be coupled to the drive shaft. The housing hub (5) cont...
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WO/1987/000989A1 |
In order to install an eddy current brake in the universal joint shaft of a motor vehicle, use is made of support members (86) which can be fixed to the longerons (85) of the chassis and each of which can be associated with a mounting pl...
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WO/1986/006293A1 |
A disposable biomedical rotating filtration system, for processing fluids in a closed environment includes a rotor (20) mounted for rotation on a pivot pin (29), a seal (44) between the rotor (26) and the pivot pin (29), and external per...
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WO/1986/003901A1 |
An hysteresis ring comprises a jacket (2) made of hard magnetic alloy radially held and centered about a shaft by a ring disc-like bottom part (1) which may be made of a non magnetic alloy. A joint and clamp connection, achieved by a rol...
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WO/1986/002917A1 |
The closure head comprises a centering cylinder (3) which is used to screw the cap (2) to the bottle (1) and which is suddenly braked at the end of the screwing operation. It is connected with a bell (5) which carries an upper crown of p...
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WO/1984/000448A1 |
The method allows to transform an oscillatory motion having optionally a variable amplitude, such as a motion occurring in free piston engines, into a uniform rotation by transforming, by means of oscillations, equidirectional magnetic f...
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WO/1983/000199A1 |
Pressurized fluid (31) is pumped into a hollow, circular tube (1) made of non-magnetic material to drive magnetic pistons (5) sized to fit snugly within and to travel inside such circular tube (1). Such magnetic pistons (5) are magnetica...
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WO/1982/001149A1 |
Machines for turning and polishing contact lenses. A drawback experienced with known machines for this purpose is that vibration created by a prime mover, e.g. an electric motor, is transmitted to a driven rotatable support for a lens. T...
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WO/1981/001727A1 |
A fluid-handling apparatus having a magnetic drive comprises a rotatable driven member (22) and a driven member (44) provided with blades (48) for imparting motion to a fluid and mounted on a stationary shaft (30) forming a one-piece uni...
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