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Patent Searching and Data


Matches 301 - 350 out of 1,696

Document Document Title
WO/2008/148273A1
A driving device using permanent magnet includes a power take off portion and a driving portion. The power take off portion includes a nonmagnetic main shaft (4) supported by bearings (3). Many attracted pieces (5) are spirally fixed on ...  
WO/2008/119551A2
The invention relates to a transmission, especially a coaxial transmission or hollow shaft transmission for industrial drive engineering, having a high power density. Said transmission comprises an input element (7), an element (3) and a...  
WO/2008/119418A1
The invention relates to a coaxial transmission, especially a hollow shaft transmission for industrial drive engineering, having a high power density. Said transmission comprises an input element (7), an element (3) and an output element...  
WO/2008/085931A2
A planetary gear system is provided that has a ring gear having an inner circumference; a planet gear having an outer circumference; and a sun gear having an outer circumference. One of the ring gear, the planet gear or the sun gear is a...  
WO/2008/077678A1
The invention relates to a device for the variable driving of a hollow shaft (1) and a shaft or spindle (2) that is supported on the latter and lies inside it, in particular for moving component parts of a tyre building machine, using dr...  
WO/2008/028540A1
In a gearing, in particular coaxial gearing, hollow shaft gearing, hypoid gearing, axial gearing or linear gearing, with a driving element (7), an element (3) and an output element (11), a stepping-up and transmission of a driving torque...  
WO/2008/022636A1
The invention relates to a planetary frictional wheel transmission of the type with two concentric rings (3, 10) for the torque drive output arranged radially outside the planets (2). By means of the structural design according to the in...  
WO/2008/020251A2
A rotary actuator comprises a motor, gearing connected for driving by the motor, an output drive member and bearings for carrying the output drive member, wherein the gearing comprises wave generator gearing and the gearing is at least p...  
WO/2008/016135A1
Provided is a magnetic power transmission device capable of improving the power transmission efficiency and transmission capability while maintaining the merits obtained when performing power transmission by using a magnetic force and re...  
WO/2007/135540A2
Planetary reduction gear (1 ) with a planetary mechanism (2), which comprises: a) a fast input shaft (7); b) an eccentric cam (10) made to rotate with the fast input shaft (7); c) a satellite wheel (9) freely rotatably mounted on the ecc...  
WO/2007/131777A2
The invention relates to a gear system, in particular a harmonic drive (1), comprising at least two components (2, 3) that are posistively coupled, preferably by means of peripheral teeth (4), or frictionally-coupled, preferably by means...  
WO/2007/132357A2
The invention relates to an actuator (10) for transmitting motion, comprising a cylindrical outer member (12), a wave generating means, (26, 30) and a flexible member (40), which is rotatably mounted on the wave generating means (26, 30)...  
WO/2007/082954A1
The invention provides an industrial robot comprising a first robot part (38a) and a second robot part (4a) arranged to be moved in relation to each other, and at least one drive unit (1) arranged to move one of the robot parts (,) durin...  
WO/2007/082594A2
The invention relates to a drive unit 1 comprising an electric rotating actuator with a stator 7 and a rotor 6. The drive unit further comprises a speed reducer 5. The speed reducer 5 comprises a wave generator 20 and a flex spline 22. T...  
WO/2007/055421A1
A device for transmitting rotation without contact has a main rotor (44); permanent magnet units (51) fixed to the outer circumference of the main rotor at equal intervals; an auxiliary rotor (46); and second permanent magnet units (52) ...  
WO/2007/052537A1
A glass coating is formed on a surface of driven magnetic wheel and driving magnetic wheel for use in rotary power transmission means of conveyor by the use of polysilazane capable of vitrification at low temperature. Accordingly, while ...  
WO/2007/037257A1
A non-contact rotary transmission device capable of properly transmitting rotations including those in a low rotational speed range without relying upon eddy current by improving the structure and arrangement of permanent magnets. Planet...  
WO/2007/021743A2
A stepper motor suitable for use in a medical imaging environment has (a) a cylindrical central gear (10) having two ends (11a, 11b) with a center line (12) extending between these ends, and an external surface (13) with circumferentiall...  
WO/2007/009381A1
The present invention relates to a multi-axis type fans driven by magnetic force and its power transmission system for the same, wherein said power transmission system comprises a power source provided with a spindle, at least two driven...  
WO/2007/011256A1
The object of the invention relates to flat waveform transmissions and can be used in reducers or regulating mechanisms, in various areas of technology. The four inventions aim at improving the operation capacity of the flat waveform tra...  
WO/2007/010780A1
[PROBLEMS] To provide a magnetic crossed non-contact power transmission mechanism increased in drive torque to increase a transmission torque and a power transmission device to solve problems in a magnetic crossed power transmission mech...  
WO/2006/105617A1
A primary disc (10) and the secondary discs (14, 16) are each fitted with magnetic means, typically in the form of permanent magnets of the same polarity, located along a radial line from the centre point of the discs (14, 16), and arran...  
WO/2006/039825A1
A rotational speed superimposing device (100) for a vehicle steering system comprises an input shaft (1) with an output shaft (4), which is oriented toward the input shaft (1) in the axial direction thereof, and comprises a supporting ar...  
WO/2006/012714A1
The invention relates to a mechanical counterforce transmission. The inventive mechanism comprises two groups of magnetic heads (5), wherein the first group is fixedly connected to a flywheel (6) rotatable by an external force action and...  
WO/2005/124189A1
A rigid internal gear (2) and a flexible external gear (3) of a wave gear device (1) are spur gears of module m. The number of teeth of the external gear (3) is smaller by 2n (n is a positive integer) than that of the internal gear (2). ...  
WO/2005/121597A1
A wave gear device (1), wherein a rigid internal gear (2) is formed in a conical gear and a flexible external gear (3) is formed in a spur gear with a module m. The number of the teeth of the external gear (3) is reduced by the quantity ...  
WO/2005/118204A1
[PROBLEMS] To provide a process for producing a lightweight race ring through steady unification, without any deformation, of an aluminum alloy member for constituting a main body of race ring and an iron base alloy member for constituti...  
WO/2005/110833A1
A device (1) is disclosed for superimposing steering motions on a power steering system as an assistance to steering, in particular in motor vehicles with an input steering shaft (10) provided for carrying out a main steering motion and ...  
WO/2005/111467A1
The invention relates to a harmonic drive transmission (1), especially for a steering effort aid of a vehicle steering system, said transmission comprising at least two rotatable components (2, 3) which are meshed together and can be res...  
WO/2005/100818A1
A wave gear device (1), wherein when a wave generator (4) is in a low speed rotating state, a rolling bearing state is formed by a wave bearing (43) and the wave generator (4) and a flexible external gear (3) are held in a relatively rot...  
WO/2005/022003A1
The inventive transmission can be used for making useful counterforce in different engines and devices and operates at minimum external actions. Said transmission comprises a frame (1) provided with an anvil (2), an axis (3) and circular...  
WO/2005/012755A1
An actuator, including an electric motor (14) having a stator (16) and a rotor (17), in which the rotor (17) defines a bearing surface (20) having a non-circular profile, and a radially flexible annular sleeve (24) defines a facing beari...  
WO/2004/088166A1
A ratio changing method and apparatus includes, in a hypocycle arrangement, an input drive wheel (2), an output drive wheel (3) and a transfer ring (1). The input drive wheel (2) drives around the exterior of the transfer ring (1). The t...  
WO/2004/053360A1
The invention relates to a gearing comprising: an internal gear (1); a flexible toothed band (2) that runs inside the internal gear and has fewer teeth than the internal gear (1), and; a rotatable wave generator (3), which transmits a fo...  
WO/2004/044455A1
The invention relates to an electromechanical drive (1; 1’; 1’’) comprising a transmission (3) having a first (7; 7’) and at least one other transmission step (9; 9’), an electric motor (5) comprising a motor shaft (11) which i...  
WO/2004/040737A1
An elastic wave actuator and method to convert electrical energy to mechanical energy with alternate high speed or high torque output options. The actuator comprises a cylindrical rotor (2) having a flexible shell (22) that rotatably mou...  
WO/2004/025815A1
A core for a flexispline motor is enclosed within a distortable flexispline having the shape of an open tin can, such that under rest conditions the space between the flexispline and the core is constant. The core of the motor is shaped ...  
WO/2004/005760A1
The present invention concerns multiply compound types of magnetic plane gear and magnetic spherical-gear as well as their transmissions. Such a type of magnetic gear is composed of a central shaft, a series of rotatable base plates, rot...  
WO/2004/000629A2
The invention relates to a steering system (1) for a vehicle, which is configured as a power-assisted steering system. A steering shaft (2) mechanically links a steering handling device (3) with a steering gear (5) and is gear-connected ...  
WO/2003/069281A2
The invention relates to a gear mechanism comprised of a rotating input element (100) and of a rotating output element (200), whereby at least one force transmission means (101, 102) is situated along a spiral line on a face of the input...  
WO/2003/052293A1
Disclosed is a flat gear system (10), particularly a micro gear system, operating particularly according to the principle of a voltage ripple gear system, a Wolfrom gear system, or a similar planetary gear system. The gear system compris...  
WO/2003/014597A1
A lever type power transmission device of a bicycle, wherein a large force can be developed with a small force by the power point and application point of a lever by the principle of a lever, the positive magnetic poles of magnets genera...  
WO/2002/086353A1
The invention relates to a harmonic drive which can be manufactured from a small number of plastic injection moulded parts, dispensing with the additional space required for a sensor disk which is flange-mounted on the main drive pinion ...  
WO/2002/079854A2
The invention provides a method and apparatus for positioning a surface (30) in a desired orientation. There is provided a movable member (10) supported for movement by a fixed member (40) and the movable member has an optical element, e...  
WO/2002/075906A2
An adjustable coupler has a group of magnet rotors with permanent magnets on a first shaft separated by air gaps from non-ferrous conductor rotors on a second shaft presented by a group of conductor rotors. In one embodiment, the first a...  
WO/2002/063187A1
A shaft drive (10), which may be produced without problem and easily -even in a cascade- assembled, may be achieved, whereby the support ring (18) produced such as to be floating relative to the housing is rotationally fixed on the front...  
WO/2002/041477A1
The present invention relates to a method and a device for transmitting force, in particular an impetus, by magnetic interaction. Thereby, a plurality of supports are fitted with one or more magnets and rotatably supported by bearing mea...  
WO/2002/038988A1
The invention relates to a gearbox and a gearbox actuator, in particular for automating the gear ratio change. The subject matter of independent claim no. 1 relates to a gearbox actuator, in which the electromotor is mounted in the selec...  
WO/2002/036992A1
The invention relates to a shaft gear (11) comprising an output cup-shaped element (14) which can be eccentrically deformed by revolving it around a flexible strip (17) in a longitudinal manner, and which is situated in a bearing ring (1...  
WO/2002/031379A1
A transmission includes a guideway (20) formed between a pair of tracks (22, 24) extending in a closed loop (21), and an endless train of rolling elements (X, Y, B) extending along the closed loop and rolling on the tracks and on each ot...  

Matches 301 - 350 out of 1,696