Methods and apparatus to facilitate lubrication of components

Fluid reaction surfaces (i.e. – impellers) – Method of operation

Reexamination Certificate

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C416S026000, C416S030000

Reexamination Certificate

active

07811057

ABSTRACT:
A method facilitates lubrication of components. The method includes coupling a blade to a pitch control mechanism such that a bearing is positioned between the blade and the pitch control mechanism. The method further includes coupling a control system to the pitch control mechanism and configuring the control system to control the blade pitch mechanism for controlling movement of the blade and rotate the blade from a first position to a second position when a predetermined amount of time has elapsed.

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patent: 4161658 (1979-07-01), Patrick
patent: 4189648 (1980-02-01), Harner
patent: 4193005 (1980-03-01), Kos et al.
patent: 4656362 (1987-04-01), Harner et al.
patent: 6640933 (2003-11-01), Henry et al.
patent: 6783326 (2004-08-01), Weitkamp et al.
patent: 6991378 (2006-01-01), Jacquemont et al.
patent: 7077630 (2006-07-01), Wobben
patent: 63109944 (1988-05-01), None

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