Abstract:
Described herein is a drive (1) for an internalcombustion engine (4) for a motor vehicle, comprising: at least one drive pulley (5); at least one driven pulley (7) connected to a driven member of the engine (4); at least one belt (9), which presents a back (10) and is run over the drive pulley (5) and the driven pulley (7); and at least one clutch wheel (13), which has an axis (E) and presents a clutch surface (14) cooperating with the back (10); in which the back (10) is embossed.
Abstract:
[Technical Problem] Since the infinitely variable speed converter disclosed in PATENT LITERATURE 2 requires at least two dynamo/motors and is on the outside of the dynamo/motors, it is difficult to reduce the thickness in the direction of the central shaft and compactification cannot be achieved. [Solution] A space is provided in a portion surrounded by a rotor arranged to rotate clockwise with either a drive disk or a drive gear, a rotor arranged to rotate counterclockwise with either a drive disk or a drive gear, and a radial interior of a stator formed by annularly disposing field magnets. When a traction roller or a traction gear penetrated by a drive shaft is inserted into the provided space, the traction roller comes into contact with the drive disk to be subject to a couple and thereby to rotate, while the traction gear comes into contact with the drive gear to be subject to a couple and thereby to rotate, whereby an output can be provided to the drive shaft that penetrates the traction roller or the traction gear, so that the entire structure including the speed converter can be compactified.
Abstract:
In order to stably transmit power between a driving roller (D) and a driven roller (S) of a power transmission mechanism due to friction therebetween, and to reduce the size of the power transmission mechanism, a power transmission roller assembly is provided which includes a roller body (2) to be brought into abutment with the driving roller (D) and the driven roller (S); a pivot shaft (3) fixed to a vehicle body; a pivot arm (4) provided radially inside of the roller body (2), and pivotally mounted on the pivot shaft (3); a roller support bearing (5) rotatably supporting the roller body (2); and a pair of biasing members (6) provided on the pivot arm (4), and biasing the roller support bearing (5) to a predetermined position between the driving and driven rollers (D and S) where the abutment forces between the roller body (2) and the driving and driven rollers (D and S) balance with each other.
Abstract:
A gearless speed reducer or increaser consists of an input shaft, an output shaft, and a motor connected to the input shaft. There is an external race connected to one of the shafts, and an internal race attached to the other shaft. Two ball bearings are disposed between the races and held in place by a finger assist. After the ball bearings have been inserted, the shafts are tilted relative to each other so that the balls become fixed in pockets created between the races and cannot slide within the races.
Abstract:
A high durability roller, a manufacturing method thereof and a power transmission device with the high durability roller are provided. The roller for a power transmission device that comprises a plurality of rollers in contact with each other directly or with lubricant between them, includes: a metal base having a Young's modulus of 220 GPa or less; and a coating that is formed on a surface of the metal base, includes hard particles and a metal component composed of at least either simple metal or alloy, and has a Young's modulus of 250 GPa or more. The power transmission device includes the roller. The method of manufacturing the roller includes: forming the coating on the surface of the metal base by thermal spraying using a thermal spray material that comprises the hard particles and the metal component composed of at least either simple metal or alloy.