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WO/2000/037828A2 |
A continously variable transmission comprising a variable throw reciprocating device connected (at 10) to a one way band clutch (2) is disclosed. The transmission provides for the variable throw reciprocating device to be moved by a prim...
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WO/2000/023729A2 |
An infinitely-variable transmission consists of a rotational input member, a rotational output member, first and second non-circular driving gears coupled to one of the rotational members, and a plurality of variable velocity-ratio gear ...
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WO/2000/003156A2 |
The present invention relates to a movement converter, or rotator, for converting a reversible rotation into a unidirectional rotation. This converter comprises two planetary transmissions with a plurality of output gears assembled by pa...
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WO/1999/040344A1 |
Continuously variable transmission system that is capable of gradually and smoothly multiplying TORQUE while decreasing RPM and vice versa. The main assembly consisting of one, two, three or more pairs of co-axial diametrically opposed o...
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WO/1999/039116A1 |
The rotary motion of an input shaft is firstly altered into a controllable rotational oscillation of an intermediate member and subsequently, by means of an overrunning clutch mechanism, this oscillation is transformed into one way impul...
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WO/1999/030958A2 |
The present invention provides shift mechanisms and methods of controlling a transmission. According to one embodiment of the present invention, a shift mechanism for use with a transmission includes a central axle defining a central axi...
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WO/1999/018366A1 |
The invention relates to a gearbox with continuously adjustable multiplication for converting speed and torque between two shafts. Such converters are used throughout drive engineering, for example in machine tools and vehicle drives. Th...
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WO/1999/018365A1 |
The invention relates to a gearbox with continuously adjustable multiplication for converting the speed and torque of shafts. The regular motion of revolution of an input shaft is transferred in stages to an output shaft by means of gear...
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WO/1999/015812A1 |
The system is comprised of three sub-systems. The first sub-system has an actuation lever (P) which can rotate about an axis (E1) to displace excentrically the Second Sub-system with respect to the Third by a predetermined angle circonfe...
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WO/1999/009336A1 |
The invention relates to a directional clutch with a drive element (10-120) and an output element (11;101, 102;130, 131) between which clamping elements (13, 14, 110) are arranged. Said clamping elements are connected to the output eleme...
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WO/1998/057074A1 |
This smoothly automatic changing ratios gear mechanism for use in devices as small as toys and as large as the heaviest industrial machines is an arrangement of planetary gear sets (68, 72) which provide divergent ratio gear tracks (38, ...
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WO/1998/022731A1 |
A double orbital transmission is disclosed which has first and second input shafts (12 and 13) which carry first and second eccentrics (14 and 16). The pawl carrier (24) is mounted on the second eccentric and the pawl carrier carries a p...
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WO/1997/040295A1 |
A device for driving an instrument (2) step-by-step, for example an axis, which device includes a driving part (1), a space (3) between the driving part and the instrument (2), and at least one ball/roller (4) which can have different po...
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WO/1997/029301A1 |
When an input shaft (6) is rotated by an external driving force, the rotational force of the input shaft (6) is transmitted to an offset housing (21), and the rotational force of the offset housing (21) is then transmitted to respective ...
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WO/1997/002175A1 |
A continuously variable transmission utilizes a variable eccentric assembly arranged about a central transmission axis. A plurality of input and output vanes are operably interconnected to an orbiter and are sequentially engaged by input...
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WO/1996/003599A1 |
The invention is a variable mechanical transmission for converting a rotary input into a rotary output. The transmission includes a spindle (12) for mounting, allowing for rotation in response to the rotary input, a hub (16) mounted on t...
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WO/1995/034773A1 |
An automatic transmission is described incorporating a means for varying the ratio of input rotational velocity to output rotational velocity. An open ended cylinder cam (30) is mounted on a cam driver (25) having a helical gear tooth th...
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WO/1995/033149A1 |
Variable speed drive to be connected to a rotating driving shaft (5) and to a rotating driven shaft (6) and characterized in that it includes at least two angled bearings (7, 7'), means for controlling the orientation of the axis (13, 13...
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WO/1995/007421A1 |
In the case of bicycles, the purpose of the new construction is to make maximum use of the momentum produced by pedalling under varying conditions of ground, load and acceleration - thus making bicycling easier. The construction (inventi...
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WO/1995/006829A1 |
A transmission is disclosed which has an input power supply (53, 34, 328) and a plurality of secondary members which are driven by the input power supply. The secondary members can be in the form of pawls (344, 361) or rack and pinion ar...
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WO/1995/003503A1 |
The invention relates to a continuously variable positive planetary gear in which the transmission ratio can be varied via the eccentric shifting of planet wheels (21-24).
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WO/1995/000775A1 |
A variable ratio power transmission in the form of a gear box is described, in which the gear ratio of the input and output shafts can be varied continuously between a maximum and a minimum. The power transmission comprises a first bevel...
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WO/1994/020771A1 |
A transmission (10) permits power from an input shaft (12) to an output shaft (60), wherein the input shaft defines a first axis and the output shaft defines a second axis, includes a first member (42) including a contacting surface (72)...
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WO/1994/004847A1 |
A transmission for providing continuously variable speed and torque comprises a housing (12), an input shaft (18) a system of variable throw eccentrics (22, 24, 26), control means (48) for changing eccentric throw of the variable throw e...
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WO/1994/001698A1 |
The invention relates to a speed variator in which the rotary motion of the drive shaft (1) is turned into oscillatory motion of variable amplitude via eccentric discs (2a, 2b) whose eccentricity can ce controlled by means of a control d...
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WO/1994/001699A1 |
The invention relates to a drive system comprising at least one drive source (P) delivering its power by means of a driving, rotation-and-torque transmitting element (T), at least one speed variator (V) and at least one driven, rotation-...
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WO/1993/007575A1 |
Data stored in a data base (21) include crisp numbers expressed by definite numeric values, fuzzy numbers expressed by adding a word 'about' to the numeric values, and fuzzy labels expressed in a fuzzy language. Status codes are used to ...
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WO/1992/021895A1 |
A variable transmission that is small in size, light in weight, simple in construction, secure in operation, long in service life and capable of high-output speed changes. An input shaft crank (3) and an input side member (4) are mounted...
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WO/1992/020566A1 |
Continuously adjustable transmission comprising a number of arms (18), one end (20) of which being connected to a first member (17) to be driven from the outside or by the transmission, and the other end acting on a second member (15). T...
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WO/1992/014950A1 |
A transmission which may continuously vary its output speed over a range. Two pairs of opposed planetary gear sets are mounted on a carrier assembly driven by an input shaft (5), each supplied with two oscillating rotary inputs. One inpu...
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WO/1991/019915A1 |
The present invention is directed to a steplessly variable power transmission comprising an input planet gear (1) having axially disposed teeth (8) confined to reciprocate in straight diametrical channels (3) in an output driving ring (2...
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WO/1991/018225A1 |
A simple stepless variable transmission in which rotation of an input shaft (10) is translated into circular motion of an input stage arm (16) which is then converted into periodic rotation of an intermediate linkage (20) around a center...
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WO/1991/010081A1 |
A variable speed transmission (10, 240) transmits power between an input (12) and output (14) in which a pinion gear (19), a rotor (14) and a cam (26) are mounted for relative rotation therebetween. First and second gear rack pairs (61, ...
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WO/1990/006456A1 |
A variable transmission having an input shaft (32), a lobed cam (38) slidably splined on said shaft, and a plurality of pivotedly mounted cam followers (42, 46) which mechanically engage the cam (38) is disclosed. The cam followers (42, ...
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WO/1990/005252A1 |
In a continuously variable drive transmission, journals (30) and counterweights (36) are simultaneously displaced in opposite radial directions by operation of cam means (40) keyed to a rotatable operating shaft (45).
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WO/1990/001648A1 |
A technique for modifying an input rotation (12) in continuously variable increments to produce a controlled rotational output (58) is disclosed herein. This technique combines epicyclic motion of a series of planetary shafts (24) in a p...
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WO/1989/012187A1 |
A transmission in which gear segments (30) are cammed to mesh with a circumferential gear (22, 22A) and to transmit power from a centered shaft (42) through arcs of power determined by the position of segments (30) relative to the shaft ...
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WO/1989/011604A1 |
A continuously variable transmission (1) includes a power output (2) driving a sun gear (10) which in turn drives planet gears (12). Within each planetary gear (12) is mounted an over-rolling clutch (46). An internal gear (14) meshes wit...
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WO/1989/001580A1 |
An incremental motion mechanism (10) which utilizes first and second one-way clutches (44, 46) attached to the output shaft (48) of the mechanism. The first one-way clutch (44) is used to prevent back up of the output member, while the s...
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WO/1989/000258A1 |
The object for the invention is a converter of rotation speed, to which belong a frame (1), a partly inside the frame placed primary axis (2) and a secondary axis (3) as well as a between the primary axis and the secondary axis placed co...
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WO/1988/010382A1 |
A mechanical transmission (10) converts rotational motion of an input drive shaft (12) to an alternating radially directed motion of a selected amplitude. The alternating motion imparts rotational movement to an output driven shaft (14) ...
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WO/1988/003999A1 |
A transmission (10) which has unidirectional output rotation in response to multidirectional input rotation. A reversing member (44) is provided for changing the direction of rotation of the output member (34). A first mechanism (20, 38)...
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WO/1988/000902A1 |
The drive device for a rotating part, in particular vehicle axle comprises at least one digital mechanical drive provided with an active wedge and means to generate control pulses proportional to the travel or angle, either directly or v...
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WO/1987/004681A1 |
Continuous speed change gear, especially for two-wheeled vehicles, comprising two cog wheels (72), (83), means for continuously varying, as desired, their center distances, accompanied by radial translation of the cogs (90) of one (83) o...
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WO/1986/006452A1 |
An infinitely variable speed gear drive including driving or driven shafts or parts (100, 101, 102, 124) and at least one flexible transmission element acting between said parts and rotating when in operation, said element being arranged...
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WO/1982/002233A1 |
an infinetely variable gear ratio transmission includes plural cam followers (42) driven to oscillate by a rotating cam (40). The oscillatory motion of the cam followers (42) is combined through plural clutches (60) to provide an output ...
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WO/1982/001406A1 |
A rotation transmission mechanism (10; 200) having coaxially rotatable input and output shafts (12, 14; 212, 214). A plurality of coupling elements (32, 34; 220, 222) are carried by the input shaft (12, 212) for rotation with the input s...
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WO/1982/001231A1 |
A pulse variator comprises, located coaxially, an input shaft (1) and an output shaft (2). The input shaft (1) is kinematically connected to a mechanism (3) for conversion of the rotary motion of the input shaft (1) into the oscillating ...
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JP7434747B2 |
To improve transmission capacity of a power transmission device that includes an intermittent driving type transmission mechanism.A power transmission device includes: a transmission mechanism 20 for changing speed of power acquired from...
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JP2023130114A |
To solve the problem that capturing an irregular vector displacement of a medium such as wind power and wave power to convert it into continuous rotation is nearly impossible with conventional crank mechanisms, and even if it is possible...
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