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:
Sep. 05, 2023
Filed:
Jun. 17, 2020
Applicant:
Rosemount Aerospace Inc.;
Inventors:
Robin Jacob, Bangalore, IN;
Guru Prasad Mahapatra, Karnataka, IN;
Assignee:
Rosemount Aerospace Inc., Burnsville, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64D 15/12 (2006.01); H05B 3/14 (2006.01);
U.S. Cl.
CPC ...
B64D 15/12 (2013.01); H05B 3/145 (2013.01); H05B 2203/013 (2013.01); H05B 2203/017 (2013.01); H05B 2203/02 (2013.01); H05B 2214/02 (2013.01); H05B 2214/03 (2013.01);
Abstract
A hybrid heater system for an aircraft air data sensor includes a voltage source and a first hybrid heater set. The first hybrid heater set includes a carbon nanotube (CNT) heater, a first positive temperature coefficient (PTC) heater disposed in parallel with the CNT heater to form a parallel formation, and a second PTC heater disposed in series between the voltage source and the parallel formation.