Patent · US Expired

Ground fault detection system and method

US6856137B2 · kind B2 · utility

43Cited by
14References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 19, 2002
Grant dateFeb 15, 2005
Priority date—
Expiry dateFeb 19, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60W20/00
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

In one embodiment, an AC ground fault detector system senses an AC signal indicative of an unintended electrical path between a load driven by a power source and a reference potential using a capacitively coupled circuit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.