Marine propeller and method

Details Marine propeller and method Marine propeller and method

1995-09-21

1997-03-18

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Method of operation

416205, 416209, B63H 312

Patent

active

056116659

ABSTRACT:
A marine propeller includes a series of releasably affixed blades which allow pitch adjustment. The blades are each secured to different blade disks which are positioned in hub wells and held by positioning pins. The method describes how the blades, which are each attached to blade disks at preselected positions can be released, rotated and reaffixed. The disk can then be rotated in the opposite direction on the hub in a smaller increment, to provide more or less pitch as needed.

REFERENCES:
patent: 3323710 (1967-06-01), Daly
patent: 3790304 (1974-02-01), Langlois
patent: 3794441 (1974-02-01), Johnson
patent: 4020781 (1977-05-01), Bellew
patent: 4960397 (1990-10-01), Suttmeier
patent: 5246343 (1993-09-01), Windsor et al.

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