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| Number | Title | Issue Date |
| 8118697 | Mechanical function control of continuously variable transmission hydraulic system A simplified continuously variable transmission system control provides a variable clamping force and a differential cylinder pressure manipulation to change sheave ratios. The system control uses two pumps. The first pump provides the variable clamping force. The s... | 02/21/2012 |
| 7811188 | Mechanical function control of continuously variable transmission hydraulic system A simplified continuously variable transmission system control provides a variable clamping force and a differential cylinder pressure manipulation to change sheave ratios. The system control uses two pumps. The first pump provides the variable clamping force. The s... | 10/12/2010 |
| 7350439 | Transmission case cover with radial inflow channel A case cover assembly to which a sheave for a continuously variable transmission is mountable for rotation about an axis is configured to provide fluid communication between the sheave and a pressurized fluid source. The case cover assembly includes a conduit defini... | 04/01/2008 |
| 7247112 | Method and apparatus for cooling and lubricating a hybrid transmission A method and apparatus for efficiently cooling and lubricating rotating components in a hybrid transmission is provided. By efficiently managing cooling flow to and between the rotating elements, flow requirements and associated pumping requirements within the drive... | 07/24/2007 |
| 7156765 | Lubricating mechanism of oil pump A rotation of an input shaft is accelerated and transmitted to a drive shaft of an oil pump through gears. The oil pump is provided with a lubricant hole and part of the lubricant discharged from a discharge side oil chamber is supplied to a first sliding face of a ... | 01/02/2007 |
| 7131921 | 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 t... | 11/07/2006 |
| 7004871 | Automatic transmission apparatus An automatic transmission apparatus comprising, a first member rotating integrally with an input shaft and including a first cylindrical portion having an inner spline at an inner peripheral surface, a second member including a second cylindrical portion having an o... | 02/28/2006 |
| 6997834 | Device for guiding a moveable conical pulley disc of a CVT variator A device, in a continuously variable belt transmission system, for guiding a conical pulley (3) of a variator on a variator shaft (1). The moveable conical pulley (3) is fitted onto two bearing sections (4, 5) of the variation shaft (1... | 02/14/2006 |
| 6941651 | Pulley and bearing assembly and a method and apparatus for inserting and fastening a bearing within a pulley A pulley and bearing assembly and a method of inserting and fastening a bearing within a pulley having an axially extending cylindrical hub portion with an axial bore forming an inner periphery of the pulley and a pair of opposite ends, an annular belt groove portio... | 09/13/2005 |
| 6537166 | Transmission unit for motor vehicles, pulley used thereby and method for making such a pulley Transmission unit for motor vehicles of the type containing a continuous variable transmission (2) consisting of an ingoing shaft (3), a driven shaft (4), two pulleys (5-6) situated on the ingoing shaft (3) and the driven shaft (4) respectively, and an en... | 03/25/2003 |
| 6238312 | Vehicular transmission In a chamber R1 which accommodates a transmission device comprising a drive pulley 8, a driven pulley 9 and a belt 10, a cover 51 is provided to cover the lower peripheral portion of the drive pulley 8 along the periphery. The drive pulley is positioned b... | 05/29/2001 |
| 6189412 | Vehicular transmission A housing 2 for a vehicular transmission comprises a first room R1 which accommodates a continuous speed change mechanism and a second room R2 which accommodates a driving force transmission mechanism including a starting mechanism, a reduction train, a d... | 02/20/2001 |
| 6033329 | Adjustable-slope torque bracket An adjustable-slope torque bracket which includes an annular ramp support for holding multiple triangularly shaped camming ramps. The annular support includes a squared "U" shaped annular recess which opens in the direction of the axis of rotation of the ... | 03/07/2000 |
| 6012998 | Modular pulley for continuously variable transmission A modularly constructed pulley for a continuously variable transmission, provided with at least two discs on a pulley shaft and/or sleeve of the pulley shaft, one or more discs fixed as individual components to the pulley shaft and/or sleeve, and having a... | 01/11/2000 |
| 5725448 | Idler pulley This idler pulley includes a pulley body 1 made, e.g., by pressing a steel plate, and a ball bearing 2 fitted in the inner diameter of the pulley body 1. The contact position Z on the pulley peripheral surface 1a1 of the pulley body to be contacted by the... | 03/10/1998 |
| 5607371 | Fluid passage arrangement for continuously variable transmission A continuously variable transmission of an automotive vehicle has a start assist device, a forward-reverse changeover device, and a V-belt type transmission. The changeover device has an input shaft for receiving power from the start assist device. The V-... | 03/04/1997 |
| 5605513 | Method for lubricating/cooling transmission in motor vehicle Method for lubricating and/or cooling a transmission unit, in particular a transmission unit of the type which makes use of a continuously variable transmission (2) with pulleys (5-6) and an endless transmission element (7) provided in between, at least o... | 02/25/1997 |
| 5603670 | Movable disk guiding arrangement An arrangement is proposed for guiding a movable disk (3) in a continuously variable belt-drive transmission. The movable disk (3) is supported on balls (4) embedded in a mounting (5). The mountings (5) are interconnected in a narrow area. The axial trave... | 02/18/1997 |
| 5527226 | Pulley Pulley for a continuously variable transmission provided with a set of discs on a pulley shaft. At least one of the set of discs is axially movable, and at least one axially fixed bearing is interposed between the pulley and a transmission housing. One or... | 06/18/1996 |
| 5478284 | Bearing arrangement for continuously variable transmissions In a continuously variable transmission, a bolt hole of a casing and a female screw hole of a bearing fixing plate are arranged such that the bolt hole positionally corresponds to the female screw hole when an outer diameter portion of a bearing is engage... | 12/26/1995 |
| 5468192 | Adjustable pulley in a continuously variable transmission The present invention provides a radial drive connection between a movable flange and the shaft of an adjustable pulley. Specifically the movable flange is driven through the use of supports fixed to the shaft which radially fix the movable flange while a... | 11/21/1995 |
| 5407394 | Guide for an adjustable pulley in a continuously variable transmission The present invention provides a radial drive connection between a movable flange and the shaft of an adjustable pulley. Specifically the movable flange is driven through the use of supports fixed to the shaft which radially fix the movable flange while a... | 04/18/1995 |
| 5273492 | Hydraulic control system for a continuously variable transmission with a torque converter A high pressure circuit is connected between a secondary pressure control valve and a lockup clutch control valve for actuating a lockup clutch of a torque converter. A low pressure circuit is connected between the lockup clutch control valve and a contin... | 12/28/1993 |
| 5230664 | Lubricating system for automatic transmission A lubricating system which is for an automatic transmission having planetary gear sets and producing various speeds by selectively engaging friction elements. The lubricating system is provided with a first lubricating circuit which usually supplies lubri... | 07/27/1993 |
| 5188568 | Speed variator pulley provided with a reduced friction, removable rings A speed variator pulley provided with reduced flexion removable rings is used in a variable speed transmission of the V pulley type, provided with a trapezoidal belt. Transmissions of this type are, for example, used in snow scooters, motorcycles, utilita... | 02/23/1993 |
| 5033989 | Continuously variable chain transmission and lubricating system A non-stage automatic transmission for vehicles includes a pair of adjustable pulleys supported for rotation within a transmission casing, and an endless metal belt which is wound around and frictionally engaged with the pulleys for rotation therewith. A ... | 07/23/1991 |
| 4820243 | Bearing assembly for a continually variable cone-pulley belt drive transmission A bearing assembly for a continually variable cone-pulley belt drive transmission includes a primary shaft defining a conical pulley that is rotatably mounted, and an axially displaceable conical pulley that is movable along the axis of the primary shaft.... | 04/11/1989 |
| 4668208 | Variable speed drive pulley with anti-friction member A variable speed drive pulley, especially for automobile vehicles, comprises coaxial first and second pulley flanges which rotate with a hub and are in axial face-to-face relationship to receive a belt between them. At least the first pulley flange is a m... | 05/26/1987 |
| 4619157 | System for detecting the transmission ratio in an infinitely variable transmission A system for an infinitely variable belt-drive transmission for an engine comprises a primary pulley having a hydraulically shiftable disc, a secondary pulley having a hydraulically shiftable disc, a belt engaged with both pulleys, and a hydraulic circuit... | 10/28/1986 |
| 4588389 | Pulley device A pulley device has a shaft provided at its one end with a disk extending radially outwardly therefrom, a tubular member provided at its one end with a disk extending radially outwardly therefrom and concentrically enclosing the shaft to cooperate with th... | 05/13/1986 |
| 4578049 | Pulley device A pulley device comprises a pair of discs both slidably mounted onto a driving shaft and urged by the respective coil springs, three roll pins provided in the respective discs and extending radially, and a pair of end members each having a cylindrical por... | 03/25/1986 |
| 4571217 | Variable pulley structure A variable pulley structure (10) arranged to be mounted to a shaft (17) with at least one of the sideplate elements (14) thereof movably mounted to the shaft for both axial and rotational movement. Disposition of the movable sideplate element (14) is cont... | 02/18/1986 |
| 4568315 | Speed-shifting pulley with clutch mechanism A variable speed pulley mounted to a torque transmission shaft having an idler structure arranged to maintain the power transmission belt centered between the pulley sheaves when the sheaves are spaced apart sufficiently to permit the belt to ride on the ... | 02/04/1986 |
| 4511347 | Lubrication improvement for variable speed drives An automatic grease feeding system to provide for lubrication to variable pitch pulleys is disclosed having a stationary grease feeder providing pressurized grease lubrication through a stationary to rotating interface with the shaft carrying variable pit... | 04/16/1985 |
| 4504246 | Revised spline drive for metal belt CVT A variable pulley transmission in which each pulley is constructed of a pair of flanges coupled to respective shafts, at least one flange of each pair being axially movable relative to the other flange of the same pair, the movable flange being coupled to... | 03/12/1985 |
| 4487595 | Pulley construction for a V-belt and method of making the same A pulley construction and method of making the same are provided, the pulley construction having a pair of opposed flanges respectively provided with surfaces for engagement with a V-belt construction when the V-belt construction is disposed therebetween.... | 12/11/1984 |
| 4464144 | V-belt type speed change mechanism A V-belt type continuous speed change mechanism including a stationary disc secured to the driving shaft and a movable disc axially slidable with respect to the shaft. The discs define a circumferential groove of a V-shaped configuration with which a V-be... | 08/07/1984 |
| 4274295 | Variable ratio belt drive A variable ratio belt drive of the type in which each pulley has an axially movable pulley half for varying the effective drive diameter and speed ratio in a continuous, stepless manner. The drive includes a primary control assembly in one pulley having a... | 06/23/1981 |
| 4223771 | Brake clutch An apparatus for selectively transmitting power between a rotating shaft and a belt including an integral brake member. The apparatus includes a pulley affixed to the shaft and which frictionally engages the belt. The pulley includes a pair of sheave halv... | 09/23/1980 |
| 4178808 | Sheave for a speed variator and a method of replacing a belt thereon A sheave for a speed variator comprising a fixed and a movable side mounted for rotation with a common shaft. A diaphragm spring urges the movably slide towards the fixed side to clamp a V-belt therebetween. The fixed side may be removed and turned around... | 12/18/1979 |
