Variable stator vane bushings and washers

Details Variable stator vane bushings and washers Variable stator vane bushings and washers

2006-08-22

2006-08-22

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

Reexamination Certificate

active

07094022

ABSTRACT:
Materials, heretofore unknown for use in bearing assemblies, which produce equal or better wear resistance at reduced materials cost have been identified. These alternatives fall into three general categories: (1) solid materials from which bushings and washers can be fabricated, (2) coatings bonded to metallic bushings and/or vanes to minimize total system wear, and (3) solid lubricant coatings placed on any bushing or vane stem to reduce friction.

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