Marine propulsion unit

Details Marine propulsion unit Marine propulsion unit

2006-09-05

2006-09-05

Sotelo, Jesus D. (Department: 3617)

Marine propulsion

Screw propeller

C440S053000, C440S075000, C440S112000

Reexamination Certificate

active

07101236

ABSTRACT:
A marine propulsion unit utilizing a turbine engine is provided as a drop-in module. The propulsion unit includes a base which forms a part of the hull. The propulsion unit includes a drive unit which is mounted to the engine. Both the engine and the drive unit are moved with respect to the hull to change the angle of the propeller with respect to the hull. A hydraulic resistance system is provided to provide resistance to a turbine engine when in an idle condition. An auxiliary power transfer is provided to power an auxiliary gen-set and power unit. A main electrical power unit having an auxiliary engine is also connected to the power transfer unit. The auxiliary engine may be used to drive the vessel at low speeds and maneuvering conditions. One of the main engines may be used to drive both of the shafts through the power transfer unit.

REFERENCES:
patent: 2936730 (1960-05-01), Patty, Jr.
patent: 3112728 (1963-12-01), Krause
patent: 3223067 (1965-12-01), Horan
patent: 3572281 (1971-03-01), Becker
patent: 3626467 (1971-12-01), Mazziotti
patent: 3685368 (1972-08-01), Thoma
patent: 5643026 (1997-07-01), Pietsch et al.
patent: 6902448 (2005-06-01), Wilson

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