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:
Apr. 27, 2021
Filed:
Sep. 19, 2016
Volvo Truck Corporation, Gothenburg, SE;
Robert Karlsson, Kållekärr, SE;
VOLVO TRUCK CORPORATION, Gothenburg, SE;
Abstract
The invention relates to a hazardous voltage interlock loop, HVIL, system (), comprising a first HVIL circuit () being associated with a first high voltage bus () and a second HVIL circuit () being associated with a second high voltage bus (), wherein the first and second high voltage buses () are separated and not electrically connected to each other. The system further comprises a galvanically isolated relay () connected to the first and second HVIL circuits, wherein the galvanically isolated relay is configured to open the first HVIL circuit when no electrical current is flowing in at least a portion of the second HVIL circuit comprising the galvanically isolated relay. The present invention also relates to a vehicle comprising such a system. The present invention also relates to a method of operating a hazardous voltage interlock loop system.