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. 08, 2015

Filed:

Sep. 20, 2012
Applicant:

Jacob J. Van Der Westhuizen, South Jordan, UT (US);

Inventor:

Jacob J. van der Westhuizen, South Jordan, UT (US);

Assignee:

GROEN BROTHERS AVIATION, INC., Salt Lake City, UT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 17/10 (2006.01); B64D 37/04 (2006.01); B64C 39/04 (2006.01); B64C 27/02 (2006.01);
U.S. Cl.
CPC ...
B64C 17/10 (2013.01); B64C 27/02 (2013.01); B64C 27/027 (2013.01); B64C 39/04 (2013.01); B64D 37/04 (2013.01);
Abstract

An aircraft is disclosed having an engine and a propeller mounted to a fuselage. An empennage mounts to the aircraft and includes first and second horizontal stabilizers separated by a distance greater than the diameter of a stream tube of the propeller at the horizontal stabilizers. A rudder extends between the horizontal stabilizers and is positioned within the stream tube of the propeller. A bulkhead is positioned rearward from the cockpit and oriented perpendicular to a longitudinal axis of the airframe. A tailboom and engine are mounted to the airframe by means of the bulkhead having the engine mounted between the tailboom and a lower edge of the bulkhead. Landing gear may mount to the bulkhead proximate a lower edge thereof. Systems and methods redistribute fuel among laterally, vertically, and longitudinally opposed fuel tanks to maintain a center of gravity in a dynamically stable position.


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van der Westhuizen, Jacob. (2015). Rotorcraft, dynamic, cg management apparatus and method (U.S. Patent No. 9205913). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9205913

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