Ships – Displacement-type hull – Multiple hulls
Patent
1982-12-14
1985-08-20
Blix, Trygve M.
Ships
Displacement-type hull
Multiple hulls
114 67A, 180127, B63B 138
Patent
active
045357129
ABSTRACT:
A boat hull having at least one extending hull (10), an intermediate hull portion (13), a flexible plenum chamber (14) to raise and lower the intermediate hull portion (13), and a flexible skirt (17) formed integrally with the intermediate hull (13) to entrain air beneath it so that its lower extremities are clear of the ground or water.
REFERENCES:
patent: 3216518 (1965-11-01), Beardsley
patent: 3414076 (1968-12-01), Bertin et al.
patent: 3437067 (1969-04-01), Malin
patent: 3559222 (1971-02-01), Walker
patent: 3647018 (1972-03-01), Croix-Marie et al.
patent: 3756342 (1973-09-01), Burdick
patent: 4135595 (1979-01-01), Tattersall
patent: 4172506 (1979-10-01), Terry
patent: 4351262 (1982-09-01), Matthews
Avila Stephen P.
Blix Trygve M.
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