Multispeed power transmission

Details Multispeed power transmission Multispeed power transmission

1991-02-25

1991-12-03

Lorence, Richard

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

475280, 475281, 475284, F16H 5710, F16H 5708

Patent

active

050696564

ABSTRACT:
A multispeed power transmission has a plurality of forward speed ratios, the lowest of which is provided by two planetary gear sets that are compound. One of the planetary gear sets is effective during the low ratio only while the other is effective in more than one forward ratio.

REFERENCES:
patent: 3811343 (1974-05-01), Mori et al.
patent: 3956946 (1976-05-01), Murakami et al.
patent: 3987690 (1976-10-01), Murakami et al.
patent: 4027551 (1977-06-01), Murakami et al.
patent: 4653347 (1987-03-01), Hiraiwa
patent: 4660439 (1987-04-01), Hiraiwa

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