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:
Aug. 03, 1993
Filed:
Mar. 06, 1991
Applicant:
Inventor:
William E Rumberger, Newtown Square, PA (US);
Assignee:
The Boeing Company, Seattle, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C / ; B64C / ; B64C / ;
U.S. Cl.
CPC ...
244 1719 ; 244 52 ; 23926529 ;
Abstract
A helicopter anti-torque control system which relies on engine exhaust. Included is a force generating apparatus and a force directing apparatus. The force generating apparatus is at least partly driven by engine exhaust. The force directing apparatus takes outside air delivered to it by the force generating apparatus and directs it from the helicopter as a right-side or left-side force.