Patent · US Expired

Arrangement for supplying fuel to the fuel injectors of an internal combustion engine

US7281520B2 · kind B2 · utility

11Cited by

9References

12Claims

0Family size

Assignee

Daimlerchrysler AG · US

Inventors

Rolf Klenk · Stuttgart, DE
Martin Matt · Weingarten, DE
Hans-Karl Weining · Eßlingen, DE
Klaus Wunderlich · Waiblingen, DE

Key dates

Filing date	Feb 25, 2005
Grant date	Oct 16, 2007
Priority date	—
Expiry date	Jul 28, 2025

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M37/18
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In a fuel supply arrangement for supplying fuel from a fuel tank to the fuel injectors of an internal combustion engine by an electrically operated fuel pump, a first fuel pressure level adequate for normal engine operation is provided by the fuel pump and means are provided for increasing the fuel injection pressure provided by the pump for supplying fuel at a higher pressure level to the fuel injectors during an engine start-up or warm-up phase.

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