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.

Date of Patent:
Dec. 04, 1979

Filed:

Nov. 25, 1977
Applicant:
Inventors:

Michael A Rickards, La Jolla, CA (US);

Richard K Ruhe, San Diego, CA (US);

Leonard Meyerhoff, Chula Vista, CA (US);

James M Hook, Solana Beach, CA (US);

Assignee:

Rohr Industries, Inc., Chula Vista, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B63H / ;
U.S. Cl.
CPC ...
114 / ; 115 / ;
Abstract

A water jet inlet as used in a surface effect ship, cavitation free environment is provided of a fixed round or rectangular inlet geometry, within the confines of inlet velocity ratios pertaining to the ship velocity immersion design profile. An additional embodiment is disclosed that enables the instant invention to operate at a range of drop fractions, including negative drop fractions, and allows for a truly flush inlet, resulting in minimizing the drag of the ship and potential ingestion of large floating debris.


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Rickards, Michael. (1979). Fixed geometry water jet inlet for a surface effect ship (U.S. Patent No. 4176613). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4176613

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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