Planetary gear transmission systems or components – Steering by driving – With infinitely variable drive
Patent
1988-09-02
1990-05-08
Diehl, Dwight
Planetary gear transmission systems or components
Steering by driving
With infinitely variable drive
475 28, 475216, F16H 3706
Patent
active
049227882
ABSTRACT:
A two-regime CVT for a tracked vehicle steered by differential movement of its tracks, comprising two ratio-varying units of the toroidal-race, rolling-traction type, which drive the vehicle without steer when their outputs are the same, but with steer when those outputs differ. Each such output is connected respectively by way of a steering epicyclic gear set to the drive of one of the tracks. According to one aspect of the invention the axes of the two variators and of the inputs from them to the two steering epicyclics are all coaxial, and may also be coaxial with the input to a third epicyclic gear set operable to change the transmission between its two regimes. Another aspect of the invention resides in a novel arrangement of the components of the two steering epicyclic gear sets in which in the first of the regimes the transmission input directly drives one input of each steering epicyclic, whereas in the second regime the transmission input is disconnected from them, but one of those inputs now becomes an output and drives the other input.
REFERENCES:
patent: 1984830 (1934-12-01), Higley
patent: 2874591 (1959-02-01), Thoma
patent: 3299744 (1967-01-01), Kraus
patent: 3406597 (1968-10-01), DeBrie Perry et al.
patent: 3739658 (1973-06-01), Scheiter
patent: 4286477 (1981-09-01), Meyerle et al.
patent: 4297918 (1981-11-01), Perry
patent: 4464952 (1984-08-01), Stubbs
patent: 4471669 (1984-09-01), Seaberg
patent: 4569251 (1986-02-01), Greenwood
patent: 4628766 (1986-12-01), de Brie Perry
patent: 4641548 (1987-02-01), Greenwood
patent: 4718299 (1988-01-01), Greenwood
Campbell Chris
Diehl Dwight
Torotrak (Development) Ltd
LandOfFree
Continuously variable transmission does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Continuously variable transmission, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Continuously variable transmission will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2341903