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Endless Belt Power Transmission Systems Or Components > Pulley With Belt-receiving Groove Formed By Drive Faces On Relatively Axially Movable Coaxial Confronting Members (e.g., Expansible Cone Pulley, Etc.) > Load Responsive > With Actuator Driven By Electrical Or Fluid Motor With Actuator Driven By Electrical Or Fluid MotorWith Actuator Driven By Electrical Or Fluid Motor patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/23/06 - 20060264279 - Devices for electrically assisting and actuating continuously variable transmissions An electrically assisted or actuated continuously variable transmission (CVT) with a first pulley having a first pulley portion for fixed connection to an engine shaft and an axially movable second pulley portion for placement about the engine shaft. A mechanism for assisting a mechanically-actuated CVT includes a nut connected to ... 08/03/06 - 20060172829 - Method of controlling continuously variable transmission and control system An oil pressure-learning method which enables an oil pressure control system that controls line pressure and belt clamping pressure by oil pressure actuators independently of each other, to accurately control both the line pressure and the belt clamping pressure. The oil pressure-learning method is applied to an oil pressure control ... 05/18/06 - 20060105867 - Belt-driven conical-pulley transmission, method for controlling and operating it, and vehicle having such a transmission An automatic transmission in the form of a belt-driven conical-pulley transmission having conical disk sets on the power input and power output sides, and an endless torque-transmitting member interconnecting the input side and the output side disk sets for transmitting torque therebetween. At least one stop at at least one ... 03/16/06 - 20060058129 - Hydraulic pressure control apparatus of belt-drive continuously variable transmission for automotive vehicle A hydraulic pressure control apparatus of a belt-drive continuously variable transmission (CVT) for an automotive vehicle, includes a vehicular information detector that detects engine-and-vehicle operating conditions and a hydraulic actuator that regulates primary and secondary pulley pressures. A CVT control unit calculates a primary-pulley slip-limit pulley thrust and a secondary-pulley ... 02/23/06 - 20060040773 - Power transfer system with continuously variable torque transfer mechanism A power transfer system includes an input shaft that is rotatably driven by a power source, a first output shaft that is coupled to the input shaft and that drives a first driveline and a second output shaft that drives a second driveline. A torque transfer mechanism selectively couples the ... 01/12/06 - 20060009321 - Hybrid clamping mechanism for belt continuously variable transmission and method of use thereof A hybrid clamping mechanism for a belt continuously variable transmission (CVT) is disclosed. A pulley having adjustable belt-engagement surfaces allow for a variable effective diameter of the belt when about the pulley. A clamping spring disposed to bias the belt-engagement surfaces closer together exert a clamping force on the belt. ... 12/08/05 - 20050272539 - Belt-type continuously variable transmission In a continuously variable transmission, a primary pulley includes a first fixed sheave coupled with an input rotation shaft, and a first movable sheave configured to move on the input rotation shaft in an axial direction of the primary pulley; and a secondary pulley includes a second fixed sheave, and ... 11/17/05 - 20050255947 - Vertical band saw machine with a speed ratio varying device A vertical band saw machine includes a first transmitting shaft driven by a drive force of a motor, a second transmitting shaft journaling a lower blade mounting pulley for rotating an endless band saw blade, and a speed ratio varying device coupling the transmitting shafts. The device includes two pitch-variable ... 11/10/05 - 20050250606 - Belt type continuously variable transmission A belt type continously variable transmission including a primary pulley; a secondary pulley; a belt which is looped over the primary pulley and the secondary pulley; a reduction gear unit that transmits torque, which has been output from an internal combustion engine and then transmitted to a secondary shaft, to ... 09/22/05 - 20050209031 - Belt-driven conical-pulley transmission A continuously variable transmission having two pairs of conical disks operatively connected by an endless torque-transmitting belt. One of each of the disk pairs is axially movable relative to the other along a supporting shaft. The movable disk includes an inner tooth system that engages with an outer tooth system ... 09/08/05 - 20050197221 - Continuously variable belt transmission for a vehicle A continuously variable belt transmission for a vehicle which can generate a cancellation hydraulic pressure for cancellation with a simple construction, as well as urge a movable sheave in the direction for producing a belt pressing force even at the time a vehicle is towed. A member to form a ... 09/01/05 - 20050192134 - Step motor arrangement in belt-type continuously variable transmission In a belt-type continuously variable transmission having a speed-change mechanism, a step motor arrangement including a pulley follower engaged with a movable sheave of the primary pulley, a speed-change control valve for controlling a primary pressure to be supplied to the primary pulley, a servo link, and a step motor ... 09/01/05 - 20050192133 - Control system for belt-type continuously variable transmission A control system for controlling a belt-type continuously variable transmission having a pulley capable of varying its groove width to which a belt is applied, in which the pulley is provided with an oil chamber to which the oil pressure is fed so that the pulley clamps the belt, in ... 09/01/05 - 20050192132 - Belt-driven conical-pulley transmission A transmission with a drive side and an output side conical disk pair. One conical disk pair includes a fixed disk carried by a shaft, a movable disk non-rotatably connected with and axially movable relative to the shaft, and a support ring axially attached to the shaft adjacent a back ... 09/01/05 - 20050192131 - V-belt continuously variable transmission There is provided a V-belt continuously variable transmission (10) including: a primary pulley (11) that is connected to an input shaft (11d); a secondary pulley (12) that is connected to an output shaft (12d); a V-belt (13) that is wrapped around the primary pulley (11) and the secondary pulley (12); ... 08/18/05 - 20050181899 - Continuously variable transmission A cone pulley continuously variable transmission comprising one primary pulley pair, one secondary pulley pair and one encircling mechanism spanning the pulley pairs. The distances between the pulleys of each pulley pair are adjustable in opposite directions for changing the ratio by way of hydraulic setting device. 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