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:
May. 02, 1978
Filed:
Mar. 07, 1977
Applicant:
Inventors:
John G Stricker, Annapolis, MD (US);
John G Purnell, Catonsville, MD (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63H / ;
U.S. Cl.
CPC ...
115 14 ; 60222 ;
Abstract
A water jet propulsion system of improved efficiency with a novel boundary ayer water inlet, and having multiple water jet pumps and motors. The inlet has a large width to height ratio. The pumps may be connected to one drive shaft which can be connected to one or more motors by means of clutches.