The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 01, 1983
Filed:
May. 15, 1981
Applicant:
Inventor:
Daniel Dementhon, Annapolis, MD (US);
Assignee:
Tracor Hydronautics, Incorporated, Laurel, MD (US);
Primary Examiner:
Int. Cl.
CPC ...
F03B / ;
U.S. Cl.
CPC ...
60497 ; 60398 ; 415-7 ;
Abstract
An improved rotational buoyant mass for wave energy conversion apparatus is disclosed. The rotational buoyant mass comprises at least one pair of helical volumes mounted for rotation about a common axis. The helical volumes are rotationally displaced with respect to one another about the common axis. The improved rotational buoyant mass may include multiple pairs of helices, the helices of respective pairs being displaced with respect to one another.