Patent
Cam for variable width pulley
J. Douglas Smith,David Moulton +1 more
TLDR
In this paper, a V-belt-type transmission system incorporating a plurality of cam lobes that extend in an axial direction at a predetermined radial distance from the pulley axis is described.Abstract:
A cam for axially shifting the pulley faces of a variable width, torque sensing V-belt pulley in a variable speed, belt-type transmission system. The cam includes a plurality of cam lobes that extend in an axial direction at a predetermined radial distance from the pulley axis. Each cam lobe is triangular and is symmetrical about a cam lobe axis that is parallel with the pulley axis, and each cam lobe includes two cam surfaces that engage with respective cam followers to change the pulley face spacing as the load on the belt changes. The cam surfaces are convex and are in the form of circular arcs. The transmission system incorporating the cam structure is particularly suitable for vehicular use, and it provides improved performance by reducing engine overspeed upon initial acceleration and provides a smoother backshift when climbing hills.read more
Citations
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Patent
Torque responsive actuation device for a belt drive system
TL;DR: In this paper, an actuator cover plate is connected by rods to a lower half of a split pulley, with the upper pulley half mounting a helix or cam cone extending towards the actuator under-surface.
Patent
Speed transmission for self-propelled lawnmower and mower provided with such a transmission
TL;DR: In this paper, a speed changer for a mower consisting of a belt between a drive pulley and a driven pulley is described, with flanges (6 A, 6 B) being movable.
Patent
Continuously variable transmission with two piece cam
TL;DR: A vehicle with a continuously variable transmission (continuously variable transmission) includes a torque responsive clutch having a cam and at least one coupling as discussed by the authors, which is used to direct cam followers that move across the slot surfaces as the vehicle is driven forward or in reverse.
Patent
Torque responsive actuation device
TL;DR: In this paper, a bearing carrier is connected to a lower half of a split pulley, with the upper pulley half mounting a helix or cam cone that extends towards the carrier undersurface and includes a plurality of cam tracks formed therein that are each to receive a cam follower for travel there along.
Patent
Apparatuses and methods for controlling a variable speed transmission
James C. Keane,Hiroshi Hojo +1 more
TL;DR: In this article, a variable speed transmission with an actuator, a variator and a speed adjustment cam is presented, where the variator is movable in response to contact with the actuator cam surface during rotation through the first phase for actuating a coupler of the transmission between a disengaged position and an engaged position.
References
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Patent
V-belt type continuously variable transmission
TL;DR: In this paper, a V-belt continuously variable transmission with a drive pulley having a speed responsive mechanism and a driven pulley with a torque responsive mechanism is described, where a spring cap is mounted on a sleeve to which a fixed pulley half or sheave is affixed.
Patent
Variable diameter torque sensing drive
TL;DR: In this paper, a load responsive torque sensing unit adapted to drive the rotor of an axial flow combine and including a variable pitch V-belt input sheave, and an output shaft concentric therewith, the latter having means for connecting it drivingly to the combine rotor.
Patent
Transmission device of a sheave drive type
TL;DR: In this paper, a HOLLOW CYLINDER is reported to have been used to protect a DRIVEN SHEAVE PULLEY from the DRIVEEN SHAFT.
Patent
Torque cam assembly for variable speed drive and follower element therefor
Huff Robert O,Gebus Barnsfather +1 more
TL;DR: In this article, a torque cam assembly for variable speed belt drives having a driven sheave with an axially slidable flange is presented, in which a collar is mounted on the shaft of the sheave and has a plurality of cams thereon.
Patent
Torque sensing drive
TL;DR: In this paper, a torque sensing variable diameter power transfer assembly with an asymmetrical cam surface pattern has been described, where the first and second cam surfaces meet the base of the cam at different angles.