Patent · US Active

Method for operating a direct-injection internal combustion engine, and applied-ignition internal combustion engine for carrying out such a method

US10077750B2 · kind B2 · utility

0Cited by

8References

18Claims

0Family size

Assignee

Ford Global Technologies, LLC · US

Inventors

Oliver Berkemeier · Bensberg, DE
Klemens Grieser · Langenfeld, DE
Jan Linsel · Cologne, DE
Kay Hohenboeken · Cologne, DE

Key dates

Filing date	Jan 20, 2017
Grant date	Sep 18, 2018
Priority date	—
Expiry date	Jan 20, 2037

Classification

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

Abstract

Systems and methods are provided for operation of fuel injectors within an applied-ignition, direct-injection internal combustion engine. In one example, a needle of a fuel injector is moved from a retracted position to an extended position relative to a plurality of injection holes of a nozzle of the fuel injector, with at least one injection hole being separated from a fuel supply system earlier than each other injection hole. In a partially retracted position, fuel flow along a first side of the needle is decreased relative to fuel flow along a second side of the needle.

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