Multi-hull surface vessel with drag reduction on lateral hulls

Details Multi-hull surface vessel with drag reduction on lateral hulls Multi-hull surface vessel with drag reduction on lateral hulls

2005-08-23

2005-08-23

Olson, Lars A. (Department: 3617)

Ships

Building

Antifriction surfaces

C114S061100

Reexamination Certificate

active

06932012

ABSTRACT:
A marine surface vessel having a main hull and at least two lateral hulls disposed respectively on opposite sides of the main hull. The vessel includes an engine disposed in the main hull producing exhaust gas and cooling air, microbubble injectors disposed in subsurface areas of each of the lateral hulls, and conduits in fluid communication with the microbubble injectors. Upon operation of the engine, the exhaust and/or cooling air produced by the engine is directed by the conduits to the injectors to effect generation of microbubbles on the subsurface areas of the lateral hulls to occasion microbubble drag reduction on the lateral hulls.

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patent: 6356816 (2002-03-01), Katz

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