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US 2017/0321561 A1Published application
Fan blade pitch setting
AssigneeGE Aviation Systems LLC
InventorSukeyuki Kobayashi
Life of this patent
Estimating the term…
Abstract
There are provided techniques and apparatuses for fan blade pitch setting. For example, there is provided an impeller including a ring disposed in a hub of the impeller. The ring can include a recess shaped and positioned to impart a specified pitch angle to a blade extending outwardly from the ring through the hub.
Claims20
An impeller comprising:
- a ring disposed in a hub of the impeller;
- wherein the ring includes a recess shaped and positioned to impart a specified pitch angle to a blade extending outwardly from the ring through the hub.
An impeller comprising:
- a blade including a portion shaped to mate with a recess of a ring disposed in a hub of the impeller, the recess providing a specified pitch angle for the blade.
An impeller assembly, comprising:
- a set of blades;
- a hub;
- and
- a pitch-setting ring disposed on an inner wall of the hub, the pitch-setting ring including a set of recesses, each recess being configured to secure a blade and provide a specified pitch angle for the blade.
1 more element
Dependencies are inferred from the claim text.