Traction drive having an electrical converter
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United States of America Patent
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Jan 26, 2010
Grant Date -
Feb 15, 2007
app pub date -
Aug 9, 2006
filing date -
Aug 10, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a traction drive for a working machine, in particular an industrial truck, including an electrical converter having a generator (11), which is drive-connected to a combustion engine (12), and a traction motor (1 or 2), which is combined with the generator (11) in spatial terms to form one structural unit. In order to increase the performance of the traction drive whilst having a high degree of efficiency and in order to achieve a simple design, the electrical converter (generator 11, traction motors 1, 2) has, according to the invention, an operating voltage of more than 100 volts, in particular more than 200 volts, and is connected to a cooling liquid cycle.
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