Patent · US Active

Fuel injector

US9328707B2 · kind B2 · utility

0Cited by

5References

8Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Nestor Rodriguez-Amaya · Stuttgart, DE
Siegfried Ruthardt · Altdorf, DE
Holger Rapp · Hemmingen, DE
Wolfgang Stoecklein · Stuttgart, DE
Bernd Berghaenel · Mühlacker, DE
Marco Beier · Leonberg, DE

Key dates

Filing date	Dec 3, 2010
Grant date	May 3, 2016
Priority date	—
Expiry date	Jul 9, 2031

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M2547/003
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a control chamber, the pressure of which determines the strokes or positions of a nozzle needle, and which is assigned to a force or pressure sensor in order to detect the progression of the control chamber pressure. Because the control chamber pressure significantly changes during the closing of the nozzle needle, the operating phases of the injector can be exactly determined from the sensor data and supplied to an engine controller.

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