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:
May. 15, 2018
Filed:
Oct. 14, 2013
Applicant:
Hamilton Sundstrand Corporation, Windsor Locks, CT (US);
Inventor:
Robert H. Perkinson, Stonington, CT (US);
Assignee:
HAMILTON SUNDSTRAND CORPORATION, Windsor Locks, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/12 (2006.01); B64C 11/20 (2006.01); B64D 15/12 (2006.01);
U.S. Cl.
CPC ...
F01D 5/12 (2013.01); B64C 11/20 (2013.01); B64D 15/12 (2013.01);
Abstract
A propeller assembly is provided including a plurality of blades arranged in diametrically opposed pairs. Each of the plurality of blades has an electrical deicer located thereon. The propeller assembly also includes a slip ring, and a stationary brush arranged in contact with the slip ring. The brush is configured to transfer electrical power from a power source to the slip ring. A movable portion of an actuator is configured to sequentially couple the electrical deicers of each pair of blades to the rotating slip ring.