Rotary kinetic fluid motors or pumps – Including working fluid force responsive vane or flow control
Reexamination Certificate
2008-10-29
2011-12-27
Lee, Calvin (Department: 2892)
Rotary kinetic fluid motors or pumps
Including working fluid force responsive vane or flow control
C192S046000
Reexamination Certificate
active
08083473
ABSTRACT:
A stator, including: a one-way clutch with at least one slot opening radially outward from an outer circumferential portion of an outer race; and a blade assembly including first and second separately formed, stamped blade segments rotationally connected to the one-way clutch via the at least one slot. The blade segments are fixedly connected at respective outer circumferential portions. In one embodiment, the stamped blade segments include respective portions disposed in the at least one slot and disposed radially inward from respective blades for the respective blade segments. In one embodiment, the stator includes at least one rivet disposed in the at least one slot and fixedly secured to first and second portions of the first and second stamped blade segments, respectively, the first and second portions located radially inward from blades for the first and second stamped blade segments, respectively.
REFERENCES:
patent: 4377068 (1983-03-01), Braatz
patent: 5822987 (1998-10-01), Tsukamoto et al.
patent: 7770707 (2010-08-01), Brees et al.
patent: 7850420 (2010-12-01), Brees et al.
patent: 2007/0224042 (2007-09-01), Brees et al.
Lee Calvin
Schaeffler Technologies GmbH & Co. KG
Simpson & Simpson PLLC
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