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:
Feb. 17, 1981
Filed:
Apr. 06, 1979
Applicant:
Inventor:
Robert W Kress, Lloyd Harbor, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63H / ;
U.S. Cl.
CPC ...
46 7 / ; 60269 ; 46 / ;
Abstract
A ducted fan engine for model aircraft which is powered by a conventional model piston engine. The engine is mounted in a hollow portion of an inner core body and drives a multibladed fan. Two sets of stationary vanes are attached to the core body and a cylindrical shroud, fitted over the assembly, is attached to the outer ends of the vanes.