Patent · US Active

Injector for injecting fuel

US11499513B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

LIEBHERR-COMPONENTS DEGGENDORF GMBH · DE

Inventors

Richard Pirkl · Regensburg, DE
Razvan-Sorin STINGHE · Hengersberg, DE
Markus HOELLBACHER · Puch, AT
Alexander Preis · Regen, DE
Michael Schmid · Zell am Harmersbach, DE
Thomas Atzkern · Augsburg, DE

Key dates

Filing date	Apr 17, 2019
Grant date	Nov 15, 2022
Priority date	—
Expiry date	Sep 17, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M2547/008
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A fuel injector having a seat plate with a passage throttle; a valve insert arranged at a first side of the seat plate; a valve guide surrounding the valve insert and adapted for slidable reception of the valve insert; a spring sheath surrounding at least a section of a jet needle arranged at a second side of the valve insert, the second side opposite the first side and the seat plate; a valve chamber fluidly connected to the passage throttle; a control chamber adapted for reception of fuel; and a line arranged in the valve insert connecting the control chamber and the valve chamber to one another, wherein the line is closeable by placement of the valve insert onto the spring sheath.

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