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:
Nov. 04, 2025
Filed:
Feb. 11, 2022
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventors:
Ashutosh Joshi, Roscoe, IL (US);
Chukwunyere Ofoegbu, Elgin, IL (US);
Debabrata Pal, Hoffman Estates, IL (US);
Assignee:
HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64D 15/12 (2006.01); B64D 41/00 (2006.01); H02K 15/125 (2025.01); H05B 3/14 (2006.01);
U.S. Cl.
CPC ...
B64D 15/12 (2013.01); B64D 41/007 (2013.01); H02K 15/125 (2013.01); H05B 3/145 (2013.01); H05B 2214/02 (2013.01);
Abstract
A ram air turbine assembly includes one or more airfoils and a ram turbine operably connected to the one or more airfoils. The ram air turbine includes: a rotor; a stator that includes windings; and a self-regulating heater coupled to the stator. The self-regulating heater configured to vary power that passes through it based on a temperature of the heater.