Rotary kinetic fluid motors or pumps – With passage in blade – vane – shaft or rotary distributor...
Patent
1996-09-13
1998-02-10
Verdier, Christopher
Rotary kinetic fluid motors or pumps
With passage in blade, vane, shaft or rotary distributor...
415192, 416 96R, 416 97R, 416238, F01D 518, F01D 906
Patent
active
057161925
ABSTRACT:
A bowed airfoil is provided which includes a plurality of passages disposed between a pressure side wall and a suction side wall. The pressure and suction side walls extend widthwise between a leading edge and a trailing edge, and spanwise between inner and outer platforms. Passages extend spanwise between the inner and outer platforms. Ribs, each having a rib end, separate adjacent passages. Passage turns, each having an end wall, connect the passages. The end wall of each passage turn acutely converges with one of the side walls, and a first fillet extends between the acutely converging side wall and end wall. According to one embodiment, each rib end acutely converges with the other of the side walls, and a second fillet extends between the acutely converging side wall and rib end.
REFERENCES:
patent: 4257737 (1981-03-01), Andress et al.
patent: 5393198 (1995-02-01), Noda et al.
patent: 5525038 (1996-06-01), Sharma et al.
Arness Brian P.
Phillips James S.
Getz Richard D.
United Technologies Corporation
Verdier Christopher
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