Infinitely variable geared transmission

Details Infinitely variable geared transmission Infinitely variable geared transmission

2005-08-30

2005-08-30

Lewis, Tisha (Department: 3681)

Planetary gear transmission systems or components

Variable speed or direction transmission combined with...

Variable speed or direction is planetary transmission

C475S230000, C192S003520

Reexamination Certificate

active

06935980

ABSTRACT:
A compact transmission that is infinitely variable and load sensitive. It incorporates a standard hydrodynamic torque converter, however, this converter does not use a lock-up device. Instead engaged gears progressively change ratio output without shifting, thus eliminating the momentary power loss between shifts. It requires no special tooling and can be made from readily available over-the-counter parts. Thus, it is less expensive to manufacture than the transmissions and gearboxes currently used in modern vehicular and marine applications.

REFERENCES:
patent: 2298648 (1942-10-01), Russell
patent: 2679169 (1954-05-01), Duffield
patent: 2744421 (1956-05-01), Lammerz
patent: 2882750 (1959-04-01), Duffield
patent: 3073183 (1963-01-01), Kelley
patent: 3710630 (1973-01-01), Sumiyoshi et al.
patent: 3966005 (1976-06-01), Binger
patent: 4890508 (1990-01-01), Zaunberger
patent: 5951434 (1999-09-01), Richards et al.

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