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:
Jan. 10, 2023
Filed:
Dec. 15, 2020
Host system with ac charging inlet and method for identifying an electrical device connected thereto
GM Global Technology Operations Llc, Detroit, MI (US);
Douglas S. Cesiel, Farmington, MI (US);
Jacob A. St George, Royal Oak, MI (US);
Brandon R. Jones, White Lake, MI (US);
Aniket P. Kothari, Rochester Hills, MI (US);
Patricia M. Laskowsky, Ann Arbor, MI (US);
Bryan M. Ludwig, West Bloomfield, MI (US);
Bryan T. Sauter, New Hudson, MI (US);
Giovanni Spoleti, Turin, IT;
Jack M. Williams, Canton, MI (US);
Bo Xie, Novi, MI (US);
Matthew A. Thomas, Howell, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A controller of a host system executes a method for detecting an external AC electrical device. While an AC charging inlet of the host system is electrically connected to the device via different vehicle-to-live (V2L) and jump-charge connections, the controller detects a control pilot voltage and a proximity voltage. When the control pilot voltage is 0V, the controller determines whether entry conditions are satisfied indicative of a desire to offload power from the host system to the device. When the entry conditions are satisfied, the proximity or control pilot voltage are modulated to generate a modulated voltage signal, which the controller compares to an expected voltage indicative of the device. Power is offloaded to the device when the modulated voltage signal matches the expected voltage.