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:
Jul. 23, 2024
Filed:
Apr. 09, 2020
Watlow Electric Manufacturing Company, St. Louis, MO (US);
Martin Wallinger, Abtenau, AT;
Julian Michelsen, Scheffau am Tennengebirge, AT;
Watlow Electric Manufacturing Company, St. Louis, MO (US);
Abstract
A temperature limiting device for a thermal system includes a modular unit that is configured to connect to a two-wire heater of the thermal system. More particularly, the modular unit includes a heater interface configured to connect to a two-wire heater of the thermal system, a power interface configured to connect to a power source to receive power; and a controller including a sensor circuit. The sensor circuit is configured to measure an electrical characteristic of the two-wire heater, which includes voltage, current, or a combination thereof. The controller is configured to calculate a temperature of the thermal system based on the measured electrical characteristic and determine whether the temperature is greater than a temperature setpoint.