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. 20, 2021
Filed:
May. 16, 2017
Ford Global Technologies, Llc, Dearborn, MI (US);
Mark Shields, Plymouth, MI (US);
Josephine S. Lee, Novi, MI (US);
Jagmohan Singh, Ypsilanti, MI (US);
William David Treharne, Ypsilanti, MI (US);
George Hart Vrampas, Southgate, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
A hybrid vehicle includes an isolation switch disposed between a first bus that is electrically coupled to a starter for an engine and a second bus that is electrically coupled to a power converter and accessory loads. The hybrid vehicle includes a controller programmed to normally command the switch closed, and, in response to expiration of a predetermined time interval without starting the engine, command the switch to open for a predetermined duration to perform diagnostics on the isolation switch.