Vehicle propulsion unit and method for controlling same

Details Vehicle propulsion unit and method for controlling same Vehicle propulsion unit and method for controlling same

1996-04-04

1997-10-21

Wright, Dirk

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid pump and motor in one of plural paths to or from...

747311, F16H 5926

Patent

active

056790856

ABSTRACT:
A propulsion unit, preferably a propulsion unit for a utility vehicle, as well as a method for controlling same are disclosed. The propulsion unit comprises an engine, a transmission and a power take-off unit having a power take-off shaft. A first fraction of the engine output power is directed to the transmission, whereas a second fraction is directed to the power take-off shaft. At least one of the power fractions is detected by means of measuring units. The power fraction transmitted to the transmission is limited to a predetermined limit value. It is, therefore, possible to install a propulsion unit with an engine, the output power of which being higher than the admissible input power of the transmission.

REFERENCES:
patent: 3913419 (1975-10-01), Sale et al.
patent: 4311066 (1982-01-01), Schuhmann
patent: 4355509 (1982-10-01), Fulkerson et al.
H. Hoffmann, Bensberg, W. Koenig, Bergisch-Gladbach, D. Zeus, Icking Entitled: Die Hydraulische Grenzlastregelung Eines Stufenlosen Hydrostatischeh Getriebes;Dec., 1976-6 pages.
Dipl.-Ing. U. Melchinger, Prof. Dr.-Ing. W. Poppy Entitled: Elektronisch Geregeltes Drei-Pumpen-System; Aug., 1988-5 pages.

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