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Patent Searching and Data


Matches 201 - 250 out of 3,456

Document Document Title
WO/2004/090381A1
A friction roller type speed change gear in which a first roller (1) and a second roller (2) centering about a first shaft (1a) and a second shaft (2a) extending in parallel while being spaced apart from each other are arranged on the fi...  
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/2004/088169A1
In a drive assembly (8; 52) for driving a pulley (10) of a water pump (7) of a combustion engine (1) , a movable supporting arm (15) is fitted idly with a drive wheel (16), and is loaded by a torsion spring (30) to bring the drive wheel ...  
WO/2004/079225A1
The invention relates to a friction drive for a separate accessory group of a belt drive for an internal combustion engine comprising a friction wheel (8) which is automatically connectable to the drive wheel of said belt drive by means ...  
WO/2004/079229A1
The invention relates to a friction wheel (8) for the friction drive of a belt drive for an internal combustion engine group comprising a separate auxiliary group, the friction wheel (8) which is drivingly connected by friction to the ex...  
WO/2004/055958A1
An integrated electric motor and traction drive (1) is disclosed. The device comprises an electric motor (100) and a traction drive (200). The electric motor (100) provides power at a high angular velocity to a sun roller (153). The sun ...  
WO/2004/048809A1
The aim of the invention is to provide a failsafe control device (10) for a belt drive which is combined with a friction gear mechanism (2) and used to drive units in an internal combustion engine (2), comprising a pivoting arm (11) whic...  
WO/2004/048758A1
The invention relates to a friction gear mechanism, which is associated with a unit belt drive in an internal combustion engine, for a separate ancillary unit. According to the invention, a controllably moveable friction gear (5) of said...  
WO/2004/048808A1
The aim of the invention is to provide a failsafe control device (10) for a friction gear (8) of a friction gear mechanism (3) which can be connected or disconnected, said friction gear mechanism (3) being provided in a belt drive for un...  
WO/2004/048759A1
The invention relates a belt drive for auxiliary units in an internal combustion engine, provided with a friction gear (6) which is driven on the belt side and which is used to drive a separate ancillary unit (4). According to the invent...  
WO/2004/035341A2
A multi-speed ratio apparatus (24) to control output for use either as a module connected to a transmission (10) or as a stand alone transmission (10).  
WO/2004/031614A1
The invention relates to a friction drive (1) comprising a pressure roller (5) which can be displaced between an operating position and a neutral position by means of a piston (4). Said displacement is carried out by means of a hydraulic...  
WO/2004/029480A1
A wedge loading mechanism (1) for an eccentric planetary traction drive in which a roller having a flexibly mounted shaft (4) is positioned between two raceways (2 & 3) forming a convergent wedge. Rotation of either of the two raceways (...  
WO/2004/008002A1
It comprises two parallel spaced shafts having a first roller (1) and a second roller (2) respectively coaxially mounted thereon, so that they do not abut against each other, a third roller (3) and a fourth roller (4), each contacting bo...  
WO/2003/091602A1
An eccentric planetary traction drive transmission (A) in which a planetary roller (3) is positioned between and in contact with an outer ring member (1) and a sun roller member (2). Rotation of either the outer ring member (1) or the su...  
WO/2003/064891A1
An eccentric planetary traction drive transmission (A) which includes at least two planetary rollers (3 & 4), sun roller member (2), and a carrier member (27). One of the planetary rollers (3, 4, or 5) is flexible and is positioned betwe...  
WO/2003/056211A1
The transmission of rotation from one isolated hollow to another isolated hollow can be used for producing reducing gears for drives of sealed valves and ball-gage cocks, compressors and pumps for pumping toxic and radioactive substances...  
WO/2003/048607A1
A mechanical transmission (1), comprising: −a first shaft (2) −a second shaft (3) wherein the first shaft and the second shaft are mutually connected via at least one push belt (8), which push belt (8) has a fixed position relative t...  
WO/2003/042579A1
The invention relates to means for rotation transmitting means. The inventive friction ball device for transmitting rotation between shafts (1 and 2) having the crossed axes (I and II) comprises a guiding element (3) embodied in the form...  
WO/2003/006847A1
The rotating apparatus arranged within a member having a cylindrical inner periphery surface comprises a wheel rolling (20) on the inner periphery surface; a shaft (2) located on center of the surface; a first horizontally connecting rod...  
WO2002010618A3
A planetary traction drive transmission (I, II, III) has a sun roller (2, 102, 104) provided with two inner raceways (22, 24, 122, 126) which are presented outwardly and taper downwardly away from each other. It also has two outer rings ...  
WO/2002/095264A1
The invention relates to a gear assembly (1) comprising a gear shaft (3), preferably an output shaft of an electric motor (5), output rotational bodies (15) engaging with the gear shaft (3), interacting with the gear shaft in the radial ...  
WO2002070098A3
The invention relates to a coupling, particularly for connecting a rotor (221) of an ultralight model helicopter to a drive motor. Said coupling comprises a first drive element (202), which can be set in rotation by a drive motor (214) a...  
WO/2002/090799A1
The invention relates to a belt pulley (1a), the annular body (5) of which is pivotably arranged as a transfer element between a drive means (3) and a planet wheel (2).  
WO/2002/090796A1
In a friction roller type reduction gear (3a) disposed in the middle of a passage for transmitting power from a starter motor to the rotary shaft of an engine, a relation Pmean>&lcub (Umax)1&sol 2&rcub &sol 9 or Pmean>0.3[GPa] is satisfi...  
WO/2002/070098A2
The invention relates to a coupling, particularly for connecting a rotor (221) of an ultralight model helicopter to a drive motor. Said coupling comprises a first drive element (202), which can be set in rotation by a drive motor (214) a...  
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/2002/064997A1
A planetary gear comprising a central, rotatable input/output shaft (1a), an elastic outer ring (4) which when being elastically deformed encloses and presses at least three planet wheels (6, 12) in the form of rollers radially against a...  
WO2002034461A3
A hexapod machine is disclosed in which six adjustable length struts (1) couple to a controllably moveable platform (8) at three triangularly spaced locations at each of which a pair of struts couple together and to the platform at a bif...  
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/2002/034461A2
A hexapod machine is disclosed in which six adjustable length struts (1) couple to a controllably moveable platform (8) at three triangularly spaced locations at each of which a pair of struts couple together and to the platform at a bif...  
WO/2002/023065A1
A series of motors with speed reducer capable of flexibly and surely meeting the requirements of users for reduction ratio and speed reducer type and reducing noise and vibration levels, wherein, when any motors with speed reducer is all...  
WO/2002/021017A1
A self-actuating traction drive speed changer has a movable force input element having a planar drive surface, and a movable force output element having a planar drive surface which is connectable to an output load. One or more movable r...  
WO/2002/010618A2
A planetary traction drive transmission (I, II, III) has a sun roller (2, 102, 104) provided with two inner raceways (22, 24, 122, 126) which are presented outwardly and taper downwardly away from each other. It also has two outer rings ...  
WO/2001/092759A1
The invention relates to a planetary gear with little play that comprises, for one stage of reduction each, at least one sun wheel (4, 7), an elastically deformable internal geared wheel (11), planet wheels (6, 9) that are rotatably rece...  
WO/2001/048394A1
The invention relates to a planetary gear system which is provided with a housing, is simple in design and enables extremely high transmission ratios. The inventive planetary gear system is characterized in that a first shaft (2) is rota...  
WO/2001/044037A1
The invention relates to a steering device for a vehicle comprising an electric motor (9). A drive element (10) pertaining to the electric motor acts directly upon a connecting rod (13) via a gear and a helical gear (21).  
WO/2001/044688A1
A multiplier of revolutions comprising a source (1) of a precession motion, from which a rigid procession shaft (2) is protruding, which is provided at its end with the first friction area (3), on which the second friction area (4) is be...  
WO/2001/038758A1
A continuously variable transmission is disclosed for use in rotationally or linearly powered machines and vehicles. The single axle transmission provides a simple manual shifting method for the user. An additional embodiment is disclose...  
WO2000047915A3
A planetary traction drive transmission has an inner shaft (12, 14) provided with two inner raceways (22, 24) which are presented outwardly and taper downwardly away from each other and an outer ring (4) having two outer raceways (36, 38...  
WO/2000/047915A2
A planetary traction drive transmission has an inner shaft (12, 14) provided with two inner raceways (22, 24) which are presented outwardly and taper downwardly away from each other and an outer ring (4) having two outer raceways (36, 38...  
WO/2000/032962A1
The invention relates to a device comprising rolling bodies. Said device comprises a principle axis of rotation and at least one first radial bearing which is axially aligned in relation to the principle axis of rotation and which compri...  
WO/1999/063648A1
A magnetic motion transmission device (10) which comprises a magnetic body (15) which has an outer cylindrical surface and radial end walls, is polarised axially of the cylindrical surface and, at the opposed radial ends of the cylindric...  
WO1999054644A9
A double-eccentric friction drive (20) having a natural and automatic friction-increasing effect under load includes a friction ring (28) and a wheel (26) which is located eccentrically with respect to the friction ring (28), and a ring-...  
WO/1999/054644A1
A double-eccentric friction drive (20) having a natural and automatic friction-increasing effect under load includes a friction ring (28) and a wheel (26) which is located eccentrically with respect to the friction ring (28), and a ring-...  
WO/1999/038647A1
The invention relates to a drill or milling head, especially for printed-circuit board milling machines and engraving machines, having a collet chuck (11) which can be actuated by a rapid change mechanism and which is driven by a gearbox...  
WO/1999/030095A1
The invention concerns a device for driving a cylinder (1) in rotation about its longitudinal axis, comprising (a) a ring gear (2) perpendicular to the cylinder axis; (b) truncated rollers (4, 5) arranged on each side of the ring gear, o...  
WO1998000657A3  
WO/1998/023882A1
The invention concerns a module made up of 3 pairs of extendable bowls (A A', B B', E E') for transmitting circular forces and the mechanical articulation. The cohesion of the module is provided, either externally by an octahedral frame ...  
WO/1998/000657A2
A precision gear system as described in claim 1 is suitable for stepping down fast engines. The working principle as a straight differential, wherein rotating gears (2, 3, 4) and central gears (5, 7) exhibit slight radial differences and...  

Matches 201 - 250 out of 3,456