| 摘要 |
The electrically variable transmission family of the present invention provides low-content, electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, three electric machines serving interchangeably as motors or generators and at least one brake. The three motor/generators are operable in a coordinated fashion to yield an EVT with a continuously variable range of speed ratios (including reverse). One of the brakes enables series hybrid operation.
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