Pulling marine propeller

Details Pulling marine propeller Pulling marine propeller

2006-12-26

2006-12-26

Look, Edward K. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Ambient fluid or exhaust gas directed through hub, fairing...

C416S129000, C416S24400R, C440S049000, C440S080000, C440S081000

Reexamination Certificate

active

07153101

ABSTRACT:
A pulling marine propeller (1) including multiple propeller blades (4) attached to a propeller hub (5). The propeller hub (5) is attachable to a propeller shaft (9) extending from a drive housing (10) located downstream of the propeller (1). The invention is especially characterized by the fact that the propeller hub (5) is provided with an annular, radially outwardly flared peripheral portion (11) at an aft end (12) thereof. The flared portion (11) is arranged to axially overlap a front end shoulder portion (13) of the drive housing (10).

REFERENCES:
patent: 1813552 (1931-07-01), Stechauner
patent: 3175530 (1965-03-01), Petterson
patent: 3938464 (1976-02-01), Gill
patent: 4436514 (1984-03-01), Takahashi et al.
patent: 4701151 (1987-10-01), Uehara
patent: 4911663 (1990-03-01), Meier
patent: 6599159 (2003-07-01), Hedlund et al.
patent: 6835047 (2004-12-01), Gerlach et al.
patent: 003519599 (1986-01-01), None
patent: 0269272 (1988-06-01), None
patent: WO 0058151 (2000-10-01), None

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