Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Control of differential planetary gearing
Patent
1994-08-29
1996-09-17
Wright, Dirk
Planetary gear transmission systems or components
Fluid drive or control of planetary gearing
Control of differential planetary gearing
B60K 1720, B60K 2304
Patent
active
055563503
ABSTRACT:
A differential drive with a differential housing (13) supported in a housing (12) has driving bevel gears (16, 17) and differential bevel gears (22, 23) which engage one another. The differential housing (13) includes a bearing projection (41) with a cylindrical bearing face (39). Furthermore, the differential housing (13) includes a radially extending connecting face (40) with bores (42) to receive coupling pins. A viscous coupling (26) is supported on bearings (55, 57) in a flange housing (47) flanged to the housing (12). The viscous coupling (26) includes a bearing bore (46) which associates the viscous coupling with the differential drive, receives a bearing projection (41) of the differential housing (13), with the flange housing (47) supporting the bearing carrier. Furthermore, a plug-in shaft (58) is provided which, for connecting the hub (32), includes teeth and which itself may be plugged into a toothed bore (60) of the driving bevel gear (17). The coupling housing (27) also includes bores (44) to receive coupling pins (45). After the viscous coupling (26) has been prefitted in the flange housing (47), an axial plug-in assembly procedure is carried out where coupling pins (45) and the plug-in shaft (58) establish a connection with the housing (12) of the differential drive.
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GKN Viscodrive GmbH
Wright Dirk
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