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Patent Searching and Data


Matches 451 - 500 out of 5,311

Document Document Title
WO/2004/068000A1
A bevel friction ring gearing comprises a reverse gear, which is provided behind the output of the bevel friction ring gearing and which is connected in series to said bevel friction ring gearing.  
WO/2004/063598A1
Two continuously adjustable partial gear mechanisms (6, 7) are connected to a common main drive pinion (9) by means of a pick-off gear (8), such that a continuously adjustable gear mechanism with high efficiency, even at high torque, is ...  
WO/2004/061336A1
The invention relates to a pressing device (9, 10, 11, 14), which comprises two partial pressing devices and which is provided for two gearing elements (1, 2, 3) that roll on one another. The second partial pressing device (14) partially...  
WO/2004/048810A1
The invention refers to a device for transferring a rotary movement from a first axle (10) to a second axle (20). The device includes a first transmission element (11), which is connected to the first axle (10) and arranged to rotate wit...  
WO/2004/044441A2
A continuously variable transmission including a rotatable scroll having an axis of rotation and having upper and lower faces, the upper and lower faces each being conical and each having a pitch, the rotatable scroll being alternately u...  
WO/2004/038253A1
A continuously variable ratio transmission unit is disclosed which comprises a housing (116) and input (102, 106) and output (100) discs paired to define first and second toroidal cavities. The discs (100, 102, 106) are mounted to the ho...  
WO/2004/033934A2
The invention relates to a transmission comprising two peripheral transmission members respectively having at least one running surface for a peripheral coupling member, a transmission path comprising at least one of the two peripheral t...  
WO/2004/031617A2
A gearbox comprising an infinitely variable adjustable partial gear mechanism, consisting of two parallel mounted gear trains. The infinitely adjustable partial gear mechanism is provided in a first gear train of said two gear trains.  
WO/2004/031620A2
The invention relates to a transmission comprising two rotating transmission elements which have at least one running surface for a rotating coupling element. At least one running surface has at least two bearing surfaces with different ...  
WO/2004/031615A2
The invention relates to an epicyclic gear comprising at least two epicyclic gear members, which can transmit a torque by friction. According to the invention, a gap is formed between the gear members at least during operation, said gap ...  
WO/2004/031622A1
A gear mechanism comprising two rotating gear members which are respectively provided with at least one rolling surface for a rotating coupling member. The adjustment means comprise a safety device which places the coupling member on a s...  
WO/2004/031612A1
The invention relates to a push belt comprising successively placed push belt links forming a belt, wherein an unwind element is placed in each case between two adjacent push belt links. With such a push belt the friction in the belt is ...  
WO/2004/027293A1
A hydraulic actuator is disclosed which is double-acting and in which a seal is formed, where an elongate piston rod (204) emerges from an end of the actuator's cylinder (200), which allows for angular displacement of the piston rod abou...  
WO/2004/010028A1
A stepless speed change device comprises power rollers (40) frictionally engaged between a pair of power wheels (30, 32) through inclined surfaces (40a, 40b) at the opposite ends and making an orbital motion around the center axis (C) of...  
WO/2004/010030A1
The invention relates to a variable-speed transmission comprising a toroidal variator for continuously changing the gear ratio. The aim of the invention is to improve the means for applying the contact force between a roller and the toro...  
WO/2004/008003A1
A mechanical continuously variable transmission (100) allowing line contact in place of conventional point contact to reduce a pressing force between metal component parts and reduce the other energy for maintaining an action, wherein th...  
WO/2004/005767A1
The invention relates to a toroidal gearbox disc, upon which the rollers of a toroidal gearbox variator run. The toroidal gearbox disc comprises two part discs which are made from different materials, namely a traction disc in which the ...  
WO/2003/100294A1
The invention relates to an infinitely variable friction roller toroidal transmission comprising two variator discs (20), which can be rotated about a common roll axis (21) and have running paths (34) that are part of the peripheral surf...  
WO/2003/090932A1
Disclosed is a drive unit for a rotational solid (2) which revolves around the essentially horizontal longitudinal axis (3) thereof. Said drive unit is arranged laterally below the rotational solid (2) such that the driving pinion/s (4, ...  
WO/2003/078867A1
The invention relates to a variable transmission comprising first (3) and second friction discs (5) axially displaceable relative to each other, a first shaft (2) connected to the friction discs (3,5), an endless transmission belt (6) ar...  
WO/2003/064892A1
A multi−regime continuously variable ratio transmission has an output shaft (16), a variator and epicyclic gear sets (E1, E2) arranged coaxially to provide drive to two coaxial output shafts (20, 26). The drive from the coaxial output ...  
WO/2003/062675A1
A fluid display arrangement is disclosed for a rolling−traction continuously−variable ratio transmission unit in which drive is transmitted from one race to another by at least one rotating roller whose outer circumference engages th...  
WO/2003/062670A1
There is disclosed a continuously variable ratio transmission unit having first and second discs mounted for rotation about a main axis, a toroidal cavity being defined between the discs by facing surfaces thereof and containing a plural...  
WO/2003/054417A2
A continuously variable speed ratio transmissions for an in-wheel application use one or more magnetorheological (MR) or oil-shear clutch assemblies, each of which can have a unique speed ratio, to transmit torque between an input shaft ...  
WO/2003/048608A1
A speed change device simplified in structure, of which the weight and costs can be reduced, and which enables effective transmission of even large power. The speed change device is provided with power rollers (40) and planetary rollers ...  
WO/2003/029689A1
A stepless toroidal gearbox, with at least one input plate and at least one output plate, comprises several friction wheels (10, 10', 10''), fixed by wheel supports (9, 9', 9'') between the inner surfaces of the output and input plates o...  
WO/2003/023256A1
A continuously variable transmission device of the type having planetary members in rolling contact with radially inner and outer races each comprising axially spaced relatively axially movable parts, and control means for determining th...  
WO/2003/019044A1
A continuously variable transmission apparatus includes a plurality of balls (36) driven to rotate by a central wheel (34), the same number of power rollers (40) as the balls (36) supported and driven to rotate by two adjacent balls, and...  
WO/2003/004906A1
The invention relates to a variable speed transmission arrangement with a central shaft (4) which passes through a central wheel (7-1, 7-2, 7-3) of a toroidal drive (8) with clearance and which is rotationally fixed to a planet carrier (...  
WO/2002/097304A1
A rolling drive transmission, e.g. an infinitively variable transmission, comprises at least two rotatable bodies (1,2) which are in rolling contact with each other so as to transmit a drive torque, wherein the contact surfaces (4,5) of ...  
WO/2002/097303A1
A continuously-variable transmission device, a power split transmission system and an apparatus using either this device or system, wherein the power input to the transmission device is transmitted to a spherical rotor at an inpit side; ...  
WO/2002/090798A1
The invention relates to a continuously variable toroidal gear comprising two gear units. Said gear is configured in such a way that the two supports of each gear unit are interconnected by two continuous chains (1, 2) running respective...  
WO/2002/090797A2
The continuously variable friction gear having two gear units is configured in such a way that both carriers of each gear unit are connected to one another by two endless chains extending at an angle relative to the longitudinal axis of ...  
WO/2002/088577A1
A hydraulic control circuit is disclosed for a continuously variable transmission comprising a continuously variable ratio transmission unit ('variator') 10, the circuit comprising a supply line 106 and means (which may take the form of ...  
WO/2002/088573A2
A continuously variable transmission (100) having a longitudinal axis, comprising; a plurality of speed adjusters (1), each having a tiltable axis of rotation, and each speed adjuster located radially outward from the longitudinal axis; ...  
WO/2002/084622A2
Continuously variable transmission (20) consists of two rolling friction planetaries with a transversely mounted disk (56) interposed between wheels (46, 86, 68, 106) of the planetaries. Varying the position of the disk (56) varies the s...  
WO/2002/079675A1
A variator assembly is disclosed comprising a variator of the toroidal-race rolling-traction type having input and output discs, rollers which are acted on by hydraulic roller control actuators and are positioned between the discs to tra...  
WO2001021981A9
An apparatus and method for operating a continuously variable transmission (CVT), such as a toroidal drive type transmission, is disclosed. The CVT is selectively operated in either a torque control strategy and a ratio control strategy,...  
WO/2002/077491A1
The invention relates to mechanical engineering and can be used for all branches of economy for transforming (especially by a stepless transformation) a rotational motion. The engagement of a rotary transmission is performed by two discs...  
WO/2002/066865A1
The invention relates to mechanical engineering and can be used, in particular for wind power stations as a variable gear between a wind wheel and a generator. The inventive planetary disk-type variator comprises a body with a carrier ar...  
WO/2002/066863A1
This mechanical speed variator has the characteristic of consisting of an idle barrel-shaped rolling body (6) interposed between two flat surfaces (1, 4), specifically a driving and a driven surface, rotating with their axes slightly inc...  
WO/2002/057655A1
A toroidal continuously variable transmission, wherein a rolling element (4) having outer peripheral surfaces in contact through oil film with the opposed rolling surfaces of a pair of rotating members is disposed between the pair of rot...  
WO/2002/057656A1
A slide rotation body that is rotatably supported by a support shaft within a toroidal type stepless speed changer and that slides with respect to another member, wherein when the maximum shear stress depth produced during maximum decele...  
WO/2002/053947A1
A toroidal type continuously variable transmission in which a roller for intermediating transmission of a torque is clamped between at least one pair of rotary members and in which a holding force for holding the roller in a direction of...  
WO/2002/053943A1
A toroidal continuously variable transmission, comprising an input shaft, an input disk, an output disk, a plurality of trunnions, a plurality of power rollers, and thrust roller bearings, characterized in that at least one of the input ...  
WO/2002/053945A1
A toroidal continuously variable transmission, comprising an input disk and an output disk disposed on a same axis rotatably and opposedly to each other, a rolling element sandwiched between the input disk and the output disk and transmi...  
WO/2002/053948A1
A toroidal type continuously variable transmission in which a roller is clamped between a pair of rotary members and in which the rolling faces of the rotary members opposed to each other are so curved that the sections along the planes ...  
WO/2002/053953A1
A toroidal continuously variable transmission, comprising input and output disks opposed to each other rotatably on a same axis, a rolling element disposed between the input and output disks, and a holding force controller for controllin...  
WO/2002/053946A1
A toroidal continuously variable transmission which is provided with a plurality of transmission units each having a roller sandwiched between the opposed faces of input disc and output disc, and in which each input disc is connected to ...  
WO/2002/053944A1
A lubricating device for a toroidal type continuously variable transmission which is enabled to set a gear ratio continuously by transmitting a torque inputted from a power source, by rollers contacting through an oil film and having the...  

Matches 451 - 500 out of 5,311