US PATENT SUBCLASS 114 / 278
.~.~ Ported strut or foil

Current as of: June, 1999
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114 /   HD   SHIPS

271  DF  HULL OR HULL ADJUNCT EMPLOYING FLUID DYNAMIC FORCES TO DERIVE A LIFT OR ALTER TRIM, E.G., PLANING HULLS {7}
274  DF  .~ Having hydrofoil {4}
278.~.~ Ported strut or foil

DEFINITION

Classification: 114/278

(under subclass 274) Device wherein the wing-like lift generating member or a support therefor is provided with a fluid passage which begins or terminates in an aperture formed in the member or its support.

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277, for control means employing ported struts to sense variations in liquid pressure.