Liquid purification or separation – Diverse distinct separators – Including a filter
Patent
1998-10-01
1999-11-16
Lithgow, Thomas M.
Liquid purification or separation
Diverse distinct separators
Including a filter
210168, 210526, 210541, 475178, 475179, 74425, B01D 3604
Patent
active
059851457
ABSTRACT:
A drive system for a filtration apparatus includes a housing, a motor, an input gear driven by the motor, a ring gear, an eccentric gear assembly, an internal gear assembly, and an output gear. The ring gear is driven by the input gear about a central axis. The eccentric gear assembly includes an eccentric plate rotatable about the central axis, concentric rollers, and eccentric rollers. The eccentric plate is fastened to the ring gear to rotate therewith. The concentric rollers are interposed between the eccentric plate and the housing to enable rotation therebetween. The eccentric plate is eccentrically movable about the central axis within a bore of the housing. The internal gear assembly has an eccentric plate rotatable about the central axis and circular bores extending through the eccentric plate. The eccentric rollers of the eccentric gear assembly are interposed between the eccentric gear assembly and the internal gear assembly such that rotation of the eccentric gear assembly causes the internal gear assembly to also rotate. The eccentric plate has lobes. The drive system also includes a stationary pin and roller sleeve pair operable with a respective circular bore of the eccentric plate of the internal gear assembly to enable eccentric movement of the internal gear assembly about the central axis.
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patent: 5601729 (1997-02-01), Bratten
Henry Filters, Inc.
Lithgow Thomas M.
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