Continuously variable transmission

Details Continuously variable transmission Continuously variable transmission

2007-09-25

2007-09-25

Lorence, Richard M. (Department: 3681)

Planetary gear transmission systems or components

Cyclical or intermittent drive

Multilated or noncircular gear in drive train

C475S344000

Reexamination Certificate

active

11105310

ABSTRACT:
A constant mesh gear driven continuously variable transmission including a minimum of two cones in mesh with either an axial sliding ring gear or an axial sliding circular gear. The cones and ring gear or circular gear are enclosed in a housing. An input shaft is journaled in the housing. The cones rotate about their own axes and revolve about the shaft in some embodiments. The ring gear or axial sliding circular gear is slidable axially relative to the cone gear, and the output gear ratio is varied by the axial position on the ring gear or sliding circular gear.

REFERENCES:
patent: 4680985 (1987-07-01), Troester
patent: 5521819 (1996-05-01), Greenwood
patent: 2005/0097977 (2005-05-01), Van Cor
patent: 2007/0050118 (2007-03-01), Murray
Web page article titled: “Achieving Geared Neutral” ToroTrak @ www.torotrak.com/IVT/works/epicyclic.htm; date unknown.
SAE Technical Papers Title: Modeling, Simulation & Control Implementation for a Split Torque, Geared-Neutral, Infinitely Variable Transmission; www.sae.org/technical/papers/.

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