Single-ring-gear planetary transmisssion unit with small differe

Details Single-ring-gear planetary transmisssion unit with small differe Single-ring-gear planetary transmisssion unit with small differe

1993-09-08

1995-06-20

Wright, Dirk

Planetary gear transmission systems or components

Planet periphery surrounds axis of interacting gear

F16H 132

Patent

active

054256836

ABSTRACT:
A single-ring-gear planetary transmission unit with a small difference between teeth includes at least one low-speed shaft which rotates axially; at least one external gear disposed above the low-speed shaft; two high-speed shafts which rotate axially and on each of which at least two eccentric sleeves are rigidly mounted; at least one driving plate, which has two mounting holes rotatably fitted with the eccentric sleeves and at least one driving hole provided with one ring gear that has a few more teeth than those of its corresponding external gear to engage the low-speed shaft; at least one balancing plate which assures a smooth movement of the transmission unit and which has two mounting holes to fit on the high-speed shaft through an eccentric sleeve and one or more shaft-passing portions. The low-speed shaft passes through the driving hole of at least one driving plate, and the external gear on the low-speed shaft is positioned to mesh with the ring gear in the driving hole to achieve a planetary transmission with a small difference between teeth.

REFERENCES:
patent: 3876100 (1975-04-01), Brudi et al.
patent: 4243355 (1981-01-01), Brudi et al.
patent: 4674361 (1987-06-01), Parsons
patent: 5009114 (1991-04-01), Parsons
patent: 5324240 (1994-06-01), Guttinger

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