Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shigeki Takami0
Makoto Iwanaka0
Date of Patent
April 26, 2011
Patent Application Number
11802741
Date Filed
May 24, 2007
Patent Primary Examiner
Patent abstract
A hybrid drive apparatus includes an engine; an input shaft that is connected to the engine; an output shaft that is connected to wheels; a rotary electric machine; a first planetary gear apparatus; and a second planetary gear apparatus. In an electric torque converter mode, the first planetary gear apparatus reduces an absolute value of a rotational speed of the rotary electric machine and transfers a first resulting rotational speed to the second planetary gear apparatus, and the second planetary gear apparatus combines the first resulting rotational speed and a rotation of the input shaft, reduces an absolute value of a rotational speed of the input shaft, and transmits a second resulting rotational speed to the output shaft.
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