Patent · US Expired

System for controlling the resistance of a load connected to a transformer

US6288551A · kind A · utility

3Cited by

3References

7Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Erich Zabler · Blankenloch, DE
Anton Dukart · Gerlingen, DE

Key dates

Filing date	Feb 18, 1998
Grant date	Sep 11, 2001
Priority date	—
Expiry date	Feb 18, 2018

Classification

Technology area (CPC G)Physics
CPC primaryG01R27/02
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

In an arrangement that can be implemented with a simple circuit, the load is connected in parallel to an additional resistor. The primary-side input resistance of the transformer is measured, and when the input resistance differs from a predefined value, a load malfunction is signaled.

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