Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 201 - 250 out of 1,328

Document Document Title
WO/2003/025430A1
This invention relates to a discontinuous combined gear component of which the transmission radius can be changed continuously. Said component comprises of a rotatory plate (6) and a plane component which has multiple rods and some parts...  
WO2002073067A3
A continuously variable transmission is disclosed. It is adapted to be moved by a prime mover (2) and includes a reciprocating device (3,4,5,6,7,8), an output shaft (13), and means (10,11,12) to connect the output shaft and reciprocating...  
WO/2003/019045A1
A gearing arrangement (10) is disclosed which permits changes in gear ratios in a 'stepless' manner. In the disclosed embodiment the gearing arrangement (10) comprises a number of levers (30, 31, 32, 33) coupled at their pivot axes to a ...  
WO/2003/019029A1
An automatic friction clutch, contained in the drivetrain of a motor vehicle is controlled such that a preset clutch torque can be transmitted. The preset clutch torque is composed of a pilot clutch torque M and a clutch torque Msr, whic...  
WO2002053949A3
The invention relates to a gearbox wherein the speed-increasing ratio and the speed-decreasing ratio are continuously regulated. Torque is transmitted from the input (20, 21) to the output (40) by means of cyclically coupled gear shiftin...  
WO/2002/081946A1
The present invention is directed to a drive apparatus using a principle of lever, in which a little force from a manual labor or an electric motor is changed into an increased force with a lever assembly, and this increased force is aga...  
WO/2002/073068A1
A drive transmission that can be used to give smoothly variable ratios over a wide range, in fixed machinery especially where soft starts and large load discrepancies are encountered and in vehicles requiring a large range of ratios and ...  
WO/2002/073067A2
A continuously variable transmission is disclosed. It is adapted to be moved by a prime mover (2) and includes a reciprocating device (3,4,5,6,7,8), an output shaft (13), and means (10,11,12) to connect the output shaft and reciprocating...  
WO/2002/053949A2
The invention relates to a gearbox wherein the speed-increasing ratio and the speed-decreasing ratio are continuously regulated. Torque is transmitted from the input (20, 21) to the output (40) by means of cyclically coupled gear shiftin...  
WO/2002/052173A1
The invention relates to a device (10) for driving an output mechanism (46), comprising a rotationally driveable input shaft (14). Means are located between said input shaft (14) and the output mechanism (46) for transmitting a drive tor...  
WO/2002/049869A1
Disclosed is a continuously variable transmission interposed between a power generating unit and a driving shaft and continuously providing a transmission ratio. The continuously variable transmission realizes a reliable driving force us...  
WO/2002/031381A2
A constant power mechanical transmission with seamless, ripple free, infinitely variable torque multiplying outputs comprises an input shaft and an output shaft. The input shaft is coupled to a pair of oscillating levers whereby rotation...  
WO/2002/014715A1
An infinitely variable transmission comprising an angular velocity input member (12), an angular velocity output member (14), two parallel stages (18, 20) of cyclic angular velocity generating devices (24, 30), a drive arrangement (16) f...  
WO/2001/073291A1
The invention concerns a windmill with multidirectional lever arm operating through the movement of a pole (1) urged into forward travel by the action of the wind and in back travel by being returned by a counterweight (2), the sail bein...  
WO/2001/018427A1
A transmission (15) utilizes oscillating torque to vary the mechanical power transmitted to a load (17). An arm assembly (29) is rotatably coupled to a frame (23). At the ends of the arms are eccentric masses (31), rotatably coupled ther...  
WO/2001/011263A1
Transmission (11), transmission lock assemblies (34), methods of adjusting a gear ratio of a transmission (11), and methods of forming a transmission shift mechanism (30) are provided. A transmission (11) includes a mount assembly (32) i...  
WO/2001/011265A1
A rotation reversing gear mechanism comprising an input driving shaft (1), which by means of an angle transmission, e.g. a gear mechanism of differential type, drives an output shaft (2), and between the output shaft (2) and the drive ce...  
WO/2000/055524A1
Flexible link drive apparatus having a housing (100) rotationally supporting an eccentric input shaft (116) and an output shaft (118). An eccentric roller assembly (216) is coupled to the eccentric input shaft, and the eccentric roller a...  
WO2000037828A3
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...  
WO/2000/049311A1
The invention relates to a gearbox with a continuously adjustable transmission ratio for converting engine speeds and torques between two shafts (2, 18). Said gearbox comprises a first transmission means (1), e.g. a three-dimensional cam...  
WO2000023729A3
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 ...  
WO1999064765A9
A transmission having a support (33), an input shaft (31) journaled through the support, a cam (35) mechanically associated with the input shaft (31).  
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...  
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 ...  
WO1999064765A3
A transmission having a support (33), an input shaft (31) journaled through the support, a cam (35) mechanically associated with the input shaft (31).  
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...  
WO/1999/064765A2
A transmission having a support (33), an input shaft (31) journaled through the support, a cam (35) mechanically associated with the input shaft (31).  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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, ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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).  
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...  
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)...  
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...  
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...  
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-...  

Matches 201 - 250 out of 1,328