Propeller spinner for a marine propeller

Details Propeller spinner for a marine propeller Propeller spinner for a marine propeller

2006-05-23

2006-05-23

Verdier, Christopher (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Support mounting, carrier or fairing structure

Spinner or fairwater cap

C416S14600A, C204S196370, C440S049000

Reexamination Certificate

active

07048510

ABSTRACT:
A propeller spinner (5) for a marine propeller (1) having multiple propeller blades (2) attached to a propeller hub (3) that is adapted for attachment to a propeller shaft (4) and includes a sacrificial anodic material for protecting the propeller shaft (4) and/or propeller hub (3) from corrosion. There is included a hollow spinner cone (6) made of a non-anodic material and the spinner cone (6) has at least one perforation in its outer peripheral surface. An anodic insert body (9) that is made of the sacrificial anodic material constitutes an insert body (9) that is substantially contained within the hollow spinner cone (6). The insert body (9) has at least one radical protrusion (10) extending at least partially through said perforation (7) in the spinner cone (6).

REFERENCES:
patent: 3703341 (1972-11-01), Garofalo
patent: 4077742 (1978-03-01), Goodwin
patent: 4486181 (1984-12-01), Cavil
patent: 4604068 (1986-08-01), Guinn

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