Maryland's Defense Patent Database

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Integrated stern bulb and flap

Patent image
NSWCCD

The invention is directed to an integrated stern bulb and flap for a water vessel, more particularly, a bulb having a main body section and a forebody section, the bulb positioned between first and second flap portions. The integrated stern bulb and flap provides improved power efficiency by reducing resistance at high speeds. The bulb of the integrated stern bulb and flap may be hollow, the interior being stowage space adding to the payload of the water vessel.

Inventors: 
Karafiath, Gabor; Lin, Chengwen; Fisher, Steven; Cusanelli, Dominic S.; Nowakowski, Andrew J.
Patent Number: 
Technical domain: 
Handling and Transportation
FIle Date: 
2014-06-12
Grant Date: 
2015-11-10
Grant time: 
516 days
Grant time percentile rank: 
9
Claim count percentile rank: 
4
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY