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Patent Searching and Data


Matches 351 - 400 out of 7,398

Document Document Title
WO/2009/146748A1
The invention provides a new type of reversible variable transmission for vehicles such as cars, busses, trucks, off-road vehicles, lift trucks, telescopic boom handlers and the like. Alternatively, the gearbox can be used in systems suc...  
WO/2009/137719A2
A variator (10) has a race formed from an input disc (12) and an output disc (14) and a plurality of rollers (22) located between the input and output discs, for transmitting drive therebetween. Either the input disc (12) and output disc...  
WO/2009/068012A3
The aim of the invention is to further develop a bevel friction ring gearing. The invention thus relates to a bevel friction ring gearing in which the friction ring can be displaced by means of an adjusting device that comprises a guide ...  
WO/2009/122837A1
A partitioning plate (21d) is provided inside a case (21) and separates from each other a first space in which a CVT (30) is mounted and a second space in which a forward-reverse switching mechanism (24) and a differential gear (28) are ...  
WO/2009/115844A1
The invention concerns an electronic controller for a continuously variable transmission of the type having a variator (10) with a rotary variator input (17) coupled to a first variator race (14a) and a rotary variator output (29) couple...  
WO/2009/111328A1
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for continuously or infinitely variable transmissions (C/IVT). In one embodiment, a main axle (1000) is adapted to receive a shift rod (3000) that c...  
WO/2009/082112A3
The present invention provides a continuously variable transmission which has an integrated structure and can be used in various fields, for example, in a machining device, a vehicle, etc. The continuously variable transmission includes ...  
WO/2009/076204A3
Variators that include a damped roller control part.  
WO/2009/082112A2
The present invention provides a continuously variable transmission which has an integrated structure and can be used in various fields, for example, in a machining device, a vehicle, etc. The continuously variable transmission includes ...  
WO/2009/076204A2
Variators that include a damped roller control part.  
WO/2009/068012A2
The aim of the invention is to further develop a bevel friction ring gearing. The invention thus relates to a bevel friction ring gearing in which the friction ring can be displaced by means of an adjusting device that comprises a guide ...  
WO/2009/065818A1
An actuator for the attitude control of a spacecraft comprises a first flywheel (1) rotated by a motor (5) and a second flywheel (2). The two flywheels (1, 2) are rotationally moveable about an axis (61) and are mechanically coupled by m...  
WO/2009/031797A3
A CVT(Continuously Variable Transmission) is disclosed, in which a structure is simple, and less volume and weight are obtained, and manufacturing does not cost a lot, and less impact and noise occur during a transmission, and a maintena...  
WO/2009/051519A1
The inventive device comprises a body (10) with a planetary gear set which is arranged therein and consists of central external (9) and internal (6) friction discs which encompass, from both end faces, intermediate friction discs (7) sec...  
WO/2004/010027A3
The invention relates to a continuously variable toroid drive, in which a roller can be swiveled in response to pressure forces acting upon a hydraulic setting piston (10) for modifying the transmission ratio. Two rotary slide valves (17...  
WO/2009/031797A2
A CVT(Continuously Variable Transmission) is disclosed, in which a structure is simple, and less volume and weight are obtained, and manufacturing does not cost a lot, and less impact and noise occur during a transmission, and a maintena...  
WO/2009/028988A1
The inventive device comprises a planetary friction variator and a mechanism which is used for changing a transmission ratio and pressure and designed in the form of pivot levers (19) with pushers in the form of roller (25) displaceable ...  
WO/2009/006481A2
Embodiments are directed to components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT). In one embodiment, a control system is adapted to facilitate a change in the ratio of a CVT. In another embodim...  
WO/2008/154437A1
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT). In one embodiment, a main axle is adapted to receive a shift rod that cooperates with a shift rod nut...  
WO/2008/027342A3
A variable ratio gearbox (3) is combined with a drive motor (53) and an interactive control system 50). A coaxial shaft (27) connects to a differential gear set (43) to power an output shaft (47). The transmission has a drive shaft (2, 5...  
WO/2008/131353A2
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for electric traction drives employing a continuously variable transmission (CVT) having a variator provided with a plurality of tilting traction pl...  
WO/2008/129651A1
A half-toroidal type continuously variable transmission has a trunnion (9a) having an inward surface made into a circular recess (33), and a crank member (34a) installed in a way a clearance of wedged shape in section is interposed betwe...  
WO/2008/095116A3
Disclosed here are inventive systems and methods for a powertrain of an electric vehicle (EV). In some embodiments, said powertrain includes a continuously variable transmission (CVT) coupled to an electric drive motor, wherein a control...  
WO/2008/120687A1
A variator (1) in which the movement of the positions of the rotation centers of power rollers (14A, 14B) is controlled by a roller position controller (4), which causes the power rollers (14A, 14B) to autonomously tilt to perform steple...  
WO/2008/121014A1
The invention relates to machine tool and mechanical engineering and can be used for designing gear boxes for machine tools and for automobiles substantially for vehicles mainly operating in low gears. The inventive gear box comprises th...  
WO/2008/087450A3
A transmission arrangement is disclosed which comprises first and second variators (166, 169) each of which comprises an input race (150, 154) and an output race (152, 156). A plurality of rollers (276, 278) is arranged to run upon the i...  
WO/2008/100792A1
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT) having a variator provided with a plurality of tilting, traction planets and traction rings. In one em...  
WO/2008/101070A2
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for infinitely variable transmissions (IVT) having a variator provided with a plurality of tilting spherical planets (522). In one embodiment, a var...  
WO/2008/092593A1
The invention relates to a pump, particularly a vane pump or a vacuum pump, comprising a rotatable rotor driven by a drive shaft. The invention is characterized in that the rotor can be coupled, or is coupled, to the drive shaft via a fr...  
WO/2008/095116A2
Disclosed here are inventive systems and methods for a powertrain of an electric vehicle (EV). In some embodiments, said powertrain includes a continuously variable transmission (CVT) coupled to an electric drive motor, wherein a control...  
WO/2008/002476A3
Contemplated gearboxes combine a high numerical reduction ratio with the capability of transmitting power at a superior power to weight ratio using a compound star planetary gearbox configuration (110) that is radially expanded using hol...  
WO/2008/087450A2
A transmission arrangement is disclosed which comprises first and second variators (166, 169) each of which comprises an input race (150, 154) and an output race (152, 156). A plurality of rollers (276, 278) is arranged to run upon the i...  
WO/2008/088055A1
A compact detecting device capable of detecting a rotation angle and a linear movement distance or both their operation speeds. The detecting device for detecting the rotation angle and the linear movement distance of a movable member th...  
WO/2008/059110A1
The invention relates to a frictional planetary gear with variator action. A first set of planet wheels roll along the internal rolling surface of a driving ring (2). A second set of planet wheels (3.2) roll along a fixed rotation roller...  
WO/2008/057507A1
Mechanisms and methods for clamping force generation are disclosed. In one embodiment, a clamping force generator includes a spring coupled to a traction ring and to a load cam roller cage. The traction ring can be provided with a recess...  
WO/2008/055568A1
The invention relates to a toroid continuously variable transmission, comprising at least one pair of disks associated with each other, wherein the disks are disposed opposite of each other such that the surfaces on the axis side thereof...  
WO/2008/051110A1
The invention relates to mechanical engineering, in particular to motor variators for drives provided with automatic and/or positive control. The inventive disc-type planetary variator comprises external friction discs, which are fastene...  
WO/2008/040281A1
Planetary drive with continuously variable transmission with two sun gears, spaced at a common axial distance and rotatable at different rotational speeds about the same rotational axis, and with sun cover surfaces, a ring gear arranged ...  
WO/2008/039712A2
The present invention is directed toward an apparatus for continuous speed variation of an output member with respect to a primary input member. In particular, the present invention provides a device having an output that rotates at redu...  
WO/2008/034438A1
In order to absorb loadings on friction faces in bevel friction ring gear mechanisms in an improved manner, the invention proposes a bevel friction ring gear mechanism having at least two friction cones which are arranged spaced apart fr...  
WO/2007/067038A3
A continuously variable transmission 1 has two saucer-shaped pulley parts (3, 5) that are connected to each other. One of the pulley parts (3) is a disc (7) that is fastened to a first input/output shaft (9) and is provided with an uprig...  
WO/2008/029697A1
Provided is a continuously variable transmission, which is constituted to comprise an input shaft (20) disposed rotatably in a housing, a first speed change unit (U1) and a second speed change unit (U2) so disposed in the housing as may ...  
WO/2008/017881A1
A variator transmission comprises an input shaft (18), an input disc (10) mounted on the input shaft for rotation therewith and an output disc (12) facing the input disc and arranged to rotate coaxially therewith, the input and output di...  
WO/2008/011706A1
A drive system suitable for use in a variable transmission with a plurality of rotatable and adjustable disk members, gear means adapted for contact with the plurality of disk members, carriage means for mounting the gear means and confi...  
WO/2008/001839A1
A toroidal type stepless transmission where a pair of guidance surfaces (120, 120) is provided at trunnions (15). The guidance surfaces face to each other, are perpendicular to the center axis of rotation of a power roller (11), and exte...  
WO/2008/001690A1
A toroidal type stepless transmission where a carrier (100) and a disk (2) are in direct friction contact with each other to allow power transmission between the carrier (100) and the disk (2) by friction force. Accordingly, the transmis...  
WO/2007/132231A1
A continuously variable transmission device of the type having planetary rollers (10) in rolling contact with radially inner and outer races (4, 5, 7, 8) each comprising two axially spaced rims, with control means for varying the axial s...  
WO/2006/041718A3
A continuously variable transmission (CVT) having a main shaft configured to support and position various components of the CVT. Shift cam discs cooperate with ball-leg assemblies to shift the transmission ration of the CVT. Load cam dis...  
WO/2007/025522A3
The aim of the invention is to be able to more effectively and better supply a fluid medium to main transmission members of a friction cone-type transmission. Said aim is achieved by a friction cone-type transmission comprising a housing...  
WO/2007/085354A1
The invention relates to a continuously variable transmission, in particular for an all-wheel-drive motor vehicle, having two component transmissions (3, 5) which are each embodied as semi-toroidal transmissions and which each have a dri...  

Matches 351 - 400 out of 7,398