Gearbox for motor vehicles

Details Gearbox for motor vehicles Gearbox for motor vehicles

2007-01-09

2007-01-09

Pang, Roger (Department: 3681)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

With synchronizing clutch or brake

C475S299000

Reexamination Certificate

active

11160883

ABSTRACT:
Method and arrangement for providing a range gearbox with planetary gear (1) for motor vehicles, intended to be connected to the output side of a basic gearbox. The ring gear (18) of the planetary gear is axially displaceable. The ring gear (18) can engage coupling rings (10, 16) alternatively. A synchronizing means (15) is intended to synchronize the rotational speed difference between the ring gear (18) and at least the coupling ring (16). The synchronizing means (15) and the coupling ring (16) are arranged coaxially outside the ring gear (18). A second means (25) for engaging the coupling ring (16) and a third means (25, 25b) for driving the synchronizing means (15) are arranged on the external side, seen radially, of the ring gear (18), and the synchronizing means (15) is arranged between the coupling ring (16) and the first means (27) for axial displacement of the ring gear (18).

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patent: 2004/0106493 (2004-06-01), Alfredsson

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