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:
Mar. 17, 2020
Filed:
Oct. 02, 2017
Rosemount Aerospace Inc., Burnsville, MN (US);
Richard William Phillips, Eagan, MN (US);
Chansay Em, Eden Prairie, MN (US);
Rosemount Aerospace Inc., Burnsville, MN (US);
Abstract
Apparatus and associated methods relate to generating a temperature measurement signal based upon a weighted average of signals generated by a resistive temperature detector (RTD) and a thermocouple device. The thermocouple device includes first and second thermocouple junctions. The first thermocouple junction is thermally coupled to the RTD, and the second thermocouple junction is thermally isolated from the RTD. The thermocouple is configured to generate a signal indicative of a difference between first and second thermocouple junctions, which is substantially equal to the difference between the RTD and the second thermocouple junction due to the thermal coupling configuration. The RTD generates a signal indicative of a temperature of the RTD. A weighted sum of the first and second signals is indicative of a temperature of the second thermocouple junction, which responds rapidly to temperature fluctuations, due to its having a relatively small thermal mass compared with the RTD.