Planetary roller gear drive
AssigneeSchaeffler Technologies AG & Co. KG
InventorDietmar Rudy
Life of this patent
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Abstract
A planetary roller gear drive with a spindle nut (1) that is arranged on a threaded spindle (2) and with planets (3) that are arranged distributed around the periphery and are in rolling engagement with the spindle nut (1) and the threaded spindle (2). The planets (3) revolve on planetary orbits (P) that are arranged perpendicular to the spindle axis and the planets (3) are each divided into multiple planet parts arranged one behind the other in the axial direction.
Claims10
A planetary roller gear drive comprising a spindle nut that is arranged on a threaded spindle, planets are arranged distributed around a periphery of the threaded spindle and are in rolling engagement with the spindle nut and the threaded spindle, the planets revolve on planetary orbits that are perpendicular to a spindle axis, the planets are arranged one behind another in an axial direction, the planets each include a first profile that engages the threaded spindle and a second profile that engages the spindle nut, axially adjacent ends of the planets are supported in a common synchronizing ring, and the common synchronizing ring is arranged within the spindle nut and can rotate in the spindle nut.
Dependencies are inferred from the claim text.