Mechanical differential

Details Mechanical differential Mechanical differential

1988-12-07

1990-07-24

Diehl, Dwight

Planetary gear transmission systems or components

Input from independent power sources

Plural outputs

475162, 475248, F16H 3706

Patent

active

049432672

ABSTRACT:
A mechanical differential is disclosed. The mechanical differential comprises first, second and third ring gears, each having inner and outer surfaces, and first and second planet gears and two carrier rods. The first and second planet gears and first and second carrier rods are disposed within the ring gears. The first and second planet gears are engaged with the inner surface of the first ring gear. The mechanical differential further comprises two sets of planet gears, each of the sets including third and fourth planet gears. One of the sets is rotatably disposed on a third carrier rod and the other of the sets is rotatably disposed on a fourth carrier rod. The two sets of third and fourth planet gears are engaged respectively with the second and third planet gears. The two third output planet gears are further engaged with the inner surface of the second output ring gear and the two fourth planet gears are further engaged with the inner surface of the third ring gear.

REFERENCES:
patent: 3525273 (1970-08-01), Brownstein
patent: 3576143 (1971-04-01), Baits
patent: 3915031 (1975-10-01), Hanson
patent: 4074591 (1978-02-01), Dick
patent: 4181041 (1980-01-01), Frost
patent: 4535651 (1985-08-01), Chambers
patent: 4721016 (1988-01-01), Burandt
patent: 4751855 (1988-06-01), Hudson et al.
patent: 4768400 (1988-09-01), McKay
patent: 4825723 (1989-05-01), Martin
patent: 4825726 (1989-05-01), Schofield
patent: 4843912 (1989-07-01), Quick

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