Eccentric toothed rotor set having planetary gears on the inner rotor
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United States of America Patent
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Feb 24, 2004
Grant Date -
Apr 17, 2003
app pub date -
Sep 4, 2002
filing date -
Mar 5, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is related to a toothed rotor set for a pump or engine consisting of a rotating outer rotor, which has an approximately star-shaped bore. The bore has a fine inner tooth system and an inner rotor aligned eccentrically inside it. The inner rotor has oil pockets for planetary gears. The planetary gears also have a fine tooth system with the help of which they roll on the fine teeth of the outer rotor. The planetary gears thus build a tooth system that translates into an outer tooth system. The outer tooth system has one tooth less than the inner tooth system of the outer rotor.
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