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. 22, 2026
Filed:
May. 03, 2024
Brunswick Corporation, Mettawa, IL (US);
James J. Sanborn, Lowell, MI (US);
Pramit Baul, North Fond du Lac, WI (US);
Brunswick Corporation, Mettawa, IL (US);
Abstract
A power control system for controlling a power circuit of an electric marine propulsion system delivers power from at least one marine battery to a marine drive configured to propel a marine vessel. The power control system includes at least one interlock circuit electrically isolated from the power circuit. The interlock circuit includes a plurality of interlock circuit portions, each interlock circuit portion configured to indicate connectivity of a corresponding portion of the power circuit, a plurality of resistance elements each having a predetermined resistance value, including a resistance element associated with each of the interlock circuit portions, and a control system. The control system is configured to measure a local resistance of each of the plurality of interlock circuit portions so as to measure a plurality of local resistances throughout the interlock circuit, identify a fault condition out of a plurality of possible fault conditions based on the local resistance of each of the interlock circuit portions, identify a fault response based on the identified fault condition, and control the power circuit based on the fault response.