Planetary gear transmission systems or components – Planetary gearing or element – Floating or flexible coupling or support
Patent
1999-10-07
2000-12-19
Lorence, Richard M.
Planetary gear transmission systems or components
Planetary gearing or element
Floating or flexible coupling or support
475347, F16H 5708
Patent
active
061621439
ABSTRACT:
A two speed transmission formed as a pre-transmission for an auxiliary aggregate in motor vehicles having a drive shaft which forms an input shaft, a driven shaft which forms an output shaft, and a planetary transmission which couples the drive shaft with the driven shaft, the planetary transmission having a planetary carrier which is non rotatably arranged on the drive shaft and carries at least one inner planetary gear which rolls on a sun gear, the inner planetary gear being coupled with an outer planetary gear turnably supported around a rotary axis of the inner planetary gear, the outer planetary gear rolling on a hollow gear which is non rotatably arranged on the driven shaft, the hollow gear having an inner toothed rim and an outer toothed rim, the outer planetary gear rolling on the inner toothed rim or on the outer toothed rim of the hollow gear, depending on an input rotary speed of the drive shaft.
REFERENCES:
patent: 4854192 (1989-08-01), Churchill et al.
patent: 4943268 (1990-07-01), Eisenmann et al.
patent: 5489244 (1996-02-01), Zheng
Lorence Richard M.
Robert & Bosch GmbH
Striker Michael J.
Waddell Tisha D.
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