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WO/1991/013271A1 |
In known step-by-step variable gears, no torque is transmitted to the drive train during gear shifting. The new process overcomes this drawback and at the same time ensures an optimal torque profile. During gear shifting, an additional g...
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WO/1991/011594A1 |
Rotational control apparatus in the form of fan clutches (C) are disclosed including a first, friction disc portion (12) splined on a hub (20) in turn rotatably mounted on a shaft (24). The friction disc portion (12) is reciprocal betwee...
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WO/1991/004188A1 |
A tensioning system having an endless belt (58), a pair of sheaves (62, 64) which are independently movable between reduced and enlarged configurations, a pair of rollers (102) are rotatably mounted at fixedly spaced locations on an elon...
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WO/1991/003667A1 |
A tensioning system having an endless belt (58), a pair of sheaves (62, 64) which are independently movable between reduced and enlarged configurations, a pair of rollers (102) are rotatably mounted at fixedly spaced locations on an elon...
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WO/1991/001228A1 |
A drive transmission (10) comprising a carrier member (32) is mounted on a rotatable crank shaft (16) a plurality of spaced, pivotally mounted segments (58) each segment carrying a rotatable drive element. A roller chain (76), is coupled...
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WO/1991/000446A1 |
A steepless speed change gear of mechanical type, designed to accomplish changes in the transmission ratio between a driving shaft (1) and at least one driven shaft (2), parallel to each other, which shafts are provided with external par...
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WO/1990/015940A1 |
A continuously variable transmission system having a variable diameter pulley (10) connected by a drive belt (12) to at least one other pulley (14). A tensioner pulley (18) maintains the tension of the drive belt (12) within predetermine...
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WO/1990/015942A1 |
A variable diameter pulley assembly (12) having an array of belt engaging elements (26) arranged in a circular pattern having a diameter variable as a function of the relative rotational orientation of supporting inner disk members (32, ...
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WO/1989/007724A1 |
The invention relates to an infinitely variable gear with which the belt pulleys arranged on the driving shaft and on the driven shaft carrying the all around running V-belt consist of the pulley-half each fixed rigidly onto the shaft an...
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WO/1989/005936A1 |
A continuously variable transmission comprising driving and driven pulley assemblies (10, 12), each having a circumferential array of radially adjustable belt engaging elements (18), is disclosed in conjunction with a control system (86)...
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WO/1989/002043A1 |
This invention relates to a stepless belt transmission (30) which is applied mainly to an automatic transmission mounted on an automobile and which has a pressure regulating cam mechanism (34) adapted to apply an axial force, which refle...
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WO/1989/002044A1 |
This invention relates to a stepless belt transmission (30) which is applied mainly to an automatic transmission mounted on an automobile and which has a pressure regulating cam mechanism (34) adapted to apply an axial force, which refle...
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WO/1988/009887A1 |
An automatic infinitely-variable speed adjuster is composed of two expanding pulleys linked by a belt (1). Each pulley consists of 12 sectors (2) sliding in 12 grooves (5) in each plate (6). Two control discs (9) are operated each by a p...
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WO/1988/009455A1 |
A continuously variable transmission having a flat belt (13, 43) extending between driving (11, 40) and driven (12, 41) pulley assemblies, each having a circumferential array of radially adjustable belt engaging elements (18, 64, 65). Th...
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WO/1988/005138A1 |
A continuously variable transmission (24) has a driving pulley (12) and a driven pulley (14) each of which has a V-shaped groove (24, 26) in which sits the belt (28). The belt (28) comprises a base portion (84) of a rubber-like compound ...
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WO/1988/000664A1 |
Speed variator comprising a driving shaft (1) and a driven shaft (2) which carry each a pulley (3, 5) with two side-plates (4, 6) of variable spacing, an endless chain or belt (7) connecting both pulleys. Magnetic fields parallel to the ...
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WO/1987/007932A1 |
A variable transmission automatically changing its transmission ratio in accordance with the resistance to propagation of the vehicle, in which the force-transmitting transmission link is a V-belt (1) or equivalent and in which at least ...
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WO/1987/007934A1 |
A variable transmission automatically changing its transmission ratio in accordance with the resistance to propagation of the vehicle, in which the power-transmitting transmission link is a V-belt (1) or equivalent and in which at least ...
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WO/1987/007933A1 |
A variable transmission automatically changing its transmission ratio in accordance with the resistance to propagation of the vehicle, in which the power-transmitting transmission link is a V-belt (1) or equivalent and in which the prima...
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WO/1987/007693A1 |
In a continuously variable belt transmission system utilizing a drive pulley (11) and a driven pulley (12) having logarithmic spiral guideways (32-36) in the pulley disks (18, 19, 21, 22), the balance actuator torque is reduced significa...
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WO/1987/003054A1 |
Process and device for setting gear elements in an axial direction, for example shafts (5), discs, wheels, tapered discs (71), which are arranged parallel to one another, for fine adjusting of production tolerances. For this, an adjustme...
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WO/1987/001425A1 |
The objects are a V-belt pulley and drive relating to V-belt transmissions, where the belt is a die-cut type without changes in the construction in the lateral direction. The aim is to improve efficiency and safety of fucntion, in partic...
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WO/1986/005247A1 |
An automatic shifter for derailleur which includes a pivot arm (42) secured to the frame (38) of the bicycle in a stationary relationship. A shifter arm (44) pivotally secured to the pivot arm in a manner to rotatively move relative to t...
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WO/1983/004291A1 |
A transmisson belt for use in a constantly variable power transmission of the type utilising pulleys of variable effective diameter, the transmission belt comprising a plurality of identical links of substantially trapezoidal form, havin...
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WO/1983/001098A1 |
An automatic transmission to automatically change the gear ratio in response to changes in torque applied at the pedals. A reference wheel (22) is rotated by the pedal crank (14) and includes a pair of first and second radial slots (24 a...
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WO/1979/000522A1 |
A variable speed pulley and belt drive system (10) for use with bicycles, and for industrial drives, and the like. The system utilizes a variable diameter pulley and belt take-up member (22) to compensate for changes in the pulley diamet...
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JP7449737B2 |
To provide a metal belt preventing generation of abnormal sound due to wearing step on a pully surface and deterioration in pully durability accompanying uneven wear: and to provide a belt type continuously variable transmission provided...
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JP7442416B2 |
To provide a vehicle transmission including a continuously variable transmission in which an endless rotating body is sufficiently cooled.A vehicle transmission includes: a continuously variable transmission 4 comprising a drive pulley 4...
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JP7439343B2 |
This speed-changing device (10A) is provided with: an umbrella-shaped body pair (11, 15) provided with a fixed umbrella-shaped body (13, 17) that is fixed in the axial direction and a movable umbrella-shaped body (14, 18) that is movable...
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JP7434661B2 |
The purpose of the present invention is to make it possible to reduce a load acting on a cam mechanism in a pulley device. In the present invention, the pulley device comprises a tubular member (55) that rotates integrally with a stati...
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JP7427551B2 |
To provide a pulley for belt type continuous speed variation device capable of suppressing wearing off of a belt while securing power transmission properties even when a belt for transmission is made to travel for a long time under high-...
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JP3245414U |
The present invention provides a drive unit with wide ratio coverage. A driven pulley device 5 has a fixed sheave, a movable sheave, a fixed boss, a movable boss, and an output shaft. The movable sheave is arranged opposite to the fixed ...
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JP2024011515A |
An object of the present invention is to reflect the deterioration of an element due to large deceleration side torque such as during engine braking in determining a fatigue state. [Solution] The frequency of high load decelerations P1, ...
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JP7420778B2 |
A vehicle includes an engine, a continuously valuable transmission which has an endless belt, speed-changes and outputs a power from the engine, and a transmission apparatus to which the power speed-changed by the continuously valuable t...
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JP7415107B2 |
The sensor arrangement structure includes a pulley that rotates about a rotation axis; and a sensor that detects rotation of the pulley. The pulley includes a fixed pulley, a movable pulley that can be displaced relative to the fixed pul...
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JP7406318B2 |
A cross-sectional shape of a pin (23) has a semi-circular shape having a rolling surface (23b) for reducing a chain pitch without impairing strength of a chain and improving quietness of the chain for a continuously variable transmission...
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JP7406380B2 |
To provide a movable body driving device in which it is unnecessary to provide gears with different number of teeth according to a facility to be installed.A movable body driving device having a motor and applying driving force of the mo...
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JP3245125U |
The present invention provides a drive unit and an electric motorcycle that can widen ratio coverage. A drive unit 100 includes an electric motor 2 and a continuously variable transmission 3. An electric motor has a high efficiency regio...
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JP7401585B2 |
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JP7399569B2 |
To provide a non-stage transmission which can smoothly supply an oil to a belt with a structure in which measures are made to inhibit occurrence of inconveniences.A bearing retainer 111 is fixedly provided at a unit case forming an outer...
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JP7398863B2 |
To provide a shaft member capable of smoothly sliding with an adjacent member.A shaft member 4 includes an opposite face 40, and a quenched part 43, the opposite face 40 being arranged opposite to the adjacent member, the quenched part 4...
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JP7398282B2 |
To provide a belt-type continuously variable transmission which can prevent the occurrence of a slip between a pulley and a metal belt by securing a prescribed friction force between the pulley and the metal belt by adjusting the surface...
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JP3244940U |
The present invention provides a drive unit with wide ratio coverage. A drive unit 100 includes an electric motor 2, a drive pulley device 3, a belt 4, and a driven pulley device 5. The driven pulley device receives torque from the drive...
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JP7396179B2 |
To solve a problem that large internal stress may remain in a recessed part of a rotary member after processing and cause damage of the rotary member when the internal stress remains.A casing 52A serving as a rotary member which rotates ...
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JP2023175565A |
An object of the present invention is to provide a planetary gear device that is compact in the axial direction. [Solution] A planetary gear device (1) includes a sun gear (5), a carrier (6), a plurality of planetary units (7) provided o...
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JP7391464B2 |
To provide a transmission having a new structure different from a structure of a conventional vertical CVT.A vertical CVT 4 comprises an input shaft 41, a continuously variable transmission mechanism 42, a reverse transmission mechanism ...
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JP7374557B2 |
To provide a transmission which can achieve reduction of its weight and costs.A bearing recessed part 51 opening to the front side is formed at a pump case 46 and a radial bearing 52 and a thrust bearing 53 which receive an input shaft 4...
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JP7374555B2 |
To provide a transmission unit which can achieve downsizing.A strainer 125 has: a filter part 126 in which a filter material is housed; and a pipe part 127 which guides an oil suctioned from a suction port 128 to the filter part 126. The...
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JP7374552B2 |
To provide a transmission that can be downsized.A ball bearing 45 is adopted to support a front side (engine side) of an input shaft 41, and a radial bearing 52 is adopted to support a rear side (opposite side to the engine side) of the ...
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JP7372990B2 |
A power unit of a utility vehicle includes a power source for travel of the utility vehicle, a continuously variable transmission, a gear transmission, a first clutch, a second clutch, and an output mechanism. The gear transmission inclu...
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