Planetary gear transmission systems or components – Input from independent power sources – Including electric motor input
Reexamination Certificate
2005-05-24
2005-05-24
Lewis, Tisha (Department: 3681)
Planetary gear transmission systems or components
Input from independent power sources
Including electric motor input
C475S006000, C477S003000, C180S065230
Reexamination Certificate
active
06896635
ABSTRACT:
The present invention relates to a transfer case for distribution of a driving force on a first axle (9) and a second axle (8) of a motor vehicle. The transfer case (1) is arranged between the first axle (9) and the second axle (8). The transfer case (1) includes a planetary gear (3) with a central gear (4) (for example, a sun gear), a central gear (5) (for example, an internal gear), and a planetary pinion support (6) with multiple planetary pinions (7), as well as an electrical machine (2). The electrical machine (2) is connected with an element (4, 5, 6) of the planetary gear (3). The distribution of the driving force on the two axles (8, 9) takes place according to the present invention by means of controlling the electrical machine (2), in order to produce a predetermined moment of rotation on of the elements of the planetary gear (3), whereby the moment of rotation of the two other elements of the planetary gear, which is connected respectively with one of the axles, are fixed.
REFERENCES:
patent: 5017183 (1991-05-01), Teraoka
patent: 6464608 (2002-10-01), Bowen et al.
patent: 6533692 (2003-03-01), Bowen
patent: 6589128 (2003-07-01), Bowen
patent: 6648785 (2003-11-01), Porter
patent: 6679799 (2004-01-01), Bowen
Lewis Tisha
Striker Michael J.
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