Means for decreasing wave resistance on marine vessels

Details Means for decreasing wave resistance on marine vessels Means for decreasing wave resistance on marine vessels

1980-05-29

1982-11-16

Blix, Trygve M.

Ships

Displacement-type hull

Screw propeller type

B63B 140

Patent

active

043590101

ABSTRACT:
A marine vessel has a hull which is provided at the stern part thereof with a propeller. In order to decrease the wave resistance at the stern part of the hull, it is provided with a wave generating member which extends aft beyond the aftermost point of the full load water line. The member produces waves which are opposite in phase to and interfere with waves as produced at the stern part of the hull whereby the waves can at least partially be cancelled.

REFERENCES:
patent: 352682 (1886-11-01), Edmondson
patent: 528967 (1894-11-01), Peabody
patent: 1809184 (1931-06-01), Schultz
patent: 1980114 (1934-11-01), Taylor
patent: 2991749 (1961-07-01), Patterson
patent: 3138130 (1964-06-01), Morgan
patent: 3180299 (1965-04-01), Inui
patent: 3438074 (1969-04-01), Goyen
patent: 3991697 (1976-11-01), Taniguchi
patent: 4217844 (1980-08-01), Gruzling

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