Patent · US Active

Method for operating a diesel fuel filter heater

US8552345B2 · kind B2 · utility

0Cited by

4References

10Claims

0Family size

Assignee

BORGWARNER BERU SYSTEMS GMBH · DE

Inventors

Peter Schaefer · Pfungstadt, DE
Clement Rinkert · Bretten, DE

Key dates

Filing date	May 18, 2011
Grant date	Oct 8, 2013
Priority date	—
Expiry date	Dec 16, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a method for operating a diesel fuel filter heater comprising at least one PTC element, in a motor vehicle. According to the invention, a glow plug control device is used to generate an effective voltage from a vehicle system voltage using pulse width modulation, which is then applied at the filter heater.

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