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:
Dec. 30, 1997
Filed:
Apr. 26, 1996
Applicant:
Inventor:
David A Ouellette, Farmington, CT (US);
Assignee:
United Technologies Corporation, Windsor Locks, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
4162 / ; 4162 / ;
Abstract
The present invention provides an apparatus for minimizing the blade opening between the blade shank of propeller and spinner in order to improve the overall efficiency of an aircraft and propeller system. The present invention consists of a two piece blade opening filler; the bulkhead insert which attaches to the bulkhead, and the spinner insert which maybe attached to bulkhead insert after installation of the propeller blade. The blade opening filler fills the blade opening between the spinner and blade shank while facilitating maintenance of the system.