Method and apparatus for timing rotors in a rotary lobe pump
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United States of America Patent
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-
Aug 31, 2004
Grant Date -
Mar 27, 2003
app pub date -
Sep 17, 2002
filing date -
Sep 26, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rotary lobe pump includes two geared-together, counter-rotating shafts, to which are affixed rotors with interdigital lobes. Adjustment of the angular relationship of the rotors uses a clamping device within each rotor. The clamping device consists of a tapered, slotted bushing that is forced between a mating taper on the rotor and a locking device on the shaft by means of a flanged fastener mated to each pump shaft's threads.
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