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.:

US 8485118 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 16, 2013

Filed:

Oct. 06, 2011
Applicant:

Dierk Schröder, Selent, DE;

Inventor:

Dierk Schröder, Selent, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63G 8/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

In one aspect, a submarine with a boat hull and a propulsion drive for the submarine the propulsion drive is arranged outside the boat hull and comprises a housing and a first electric motor, with the housing embodying a channel for a flow of water through the channel in a main direction of flow from an inlet to an outlet of the channel, and with the first electric motor featuring a rotor which is arranged in the channel and is supported rotatably around an axis of rotation in the housing, with the rotor being embodied in the shape of a ring with a ring inner side and a ring outer side, and with blades for propelling the submarine being arranged on the ring inner side of the rotor.


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