Two-part stator blade

Details Two-part stator blade Two-part stator blade

2007-03-23

2010-12-14

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

Including working fluid force responsive vane or flow control

C415S147000, C415S161000, C415S208200, C416S180000, C060S345000, C060S362000, C060S365000

Reexamination Certificate

active

07850420

ABSTRACT:
The present invention broadly comprises a blade for a torque converter stator including a first blade segment connected to inner and outer circumferential sections of the stator and a second blade segment, separately formed from the first blade segment, and connected to the circumferential sections. In some aspects, the blade segments are: in contact along edges, overlapped, circumferentially misaligned, at least partially folded, stamped, or cast. Configurations of the blade segments can be selected to modify performance characteristics of the stator such as torque ratio, efficiency, and capacity. In some aspects, the blade segments are in a circumferential alignment, and the stator includes an alignment element operatively arranged to control the circumferential alignment, for example, in response to pressure from fluid in the stator upon the blade. In some aspects, the stator includes axial halves, separately formed and fixedly connected and the blade segments are connected to respective halves.

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U.S. Appl. No. 11/726,881 George et al. filed Mar. 23, 2007.
U.S. Appl. No. 11/728,068 Hemphill et al. filed Mar. 23, 2007.

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